This is an automatically generated commit.
During a `git bisect` session, `git bisect --skip` is recommended.
Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
+++ /dev/null
-From 35dcae535afc153fa83f2fe51c0812536c192c58 Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 6 Feb 2023 09:33:05 +0100
-Subject: [PATCH] clk: ralink: fix 'mt7621_gate_is_enabled()' function
-
-Compiling clock driver with CONFIG_UBSAN enabled shows the following trace:
-
-UBSAN: shift-out-of-bounds in drivers/clk/ralink/clk-mt7621.c:121:15
-shift exponent 131072 is too large for 32-bit type 'long unsigned int'
-CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.15.86 #0
-Stack : ...
-
-Call Trace:
-[<80009a58>] show_stack+0x38/0x118
-[<8045ce04>] dump_stack_lvl+0x60/0x80
-[<80458868>] ubsan_epilogue+0x10/0x54
-[<804590e0>] __ubsan_handle_shift_out_of_bounds+0x118/0x190
-[<804c9a10>] mt7621_gate_is_enabled+0x98/0xa0
-[<804bb774>] clk_core_is_enabled+0x34/0x90
-[<80aad73c>] clk_disable_unused_subtree+0x98/0x1e4
-[<80aad6d4>] clk_disable_unused_subtree+0x30/0x1e4
-[<80aad6d4>] clk_disable_unused_subtree+0x30/0x1e4
-[<80aad900>] clk_disable_unused+0x78/0x120
-[<80002030>] do_one_initcall+0x54/0x1f0
-[<80a922a4>] kernel_init_freeable+0x280/0x31c
-[<808047c4>] kernel_init+0x20/0x118
-[<80003e58>] ret_from_kernel_thread+0x14/0x1c
-
-Shifting a value (131032) larger than the type (32 bit unsigned integer)
-is undefined behaviour in C.
-
-The problem is in 'mt7621_gate_is_enabled()' function which is using the
-'BIT()' kernel macro with the bit index for the clock gate to check if the
-bit is set. When the clock gates structure is created driver is already
-setting 'bit_idx' using 'BIT()' macro, so we are wrongly applying an extra
-'BIT()' mask here. Removing it solve the problem and makes this function
-correct. However when clock gating is correctly working, the kernel starts
-disabling those clocks that are not requested. Some drivers for this SoC
-are older than this clock driver itself. So to avoid the kernel to disable
-clocks that have been enabled until now, we must apply 'CLK_IS_CRITICAL'
-flag on gates initialization code.
-
-Fixes: 48df7a26f470 ("clk: ralink: add clock driver for mt7621 SoC")
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Link: https://lore.kernel.org/r/20230206083305.147582-1-sergio.paracuellos@gmail.com
-Signed-off-by: Stephen Boyd <sboyd@kernel.org>
----
- drivers/clk/ralink/clk-mt7621.c | 10 ++++++++--
- 1 file changed, 8 insertions(+), 2 deletions(-)
-
---- a/drivers/clk/ralink/clk-mt7621.c
-+++ b/drivers/clk/ralink/clk-mt7621.c
-@@ -121,7 +121,7 @@ static int mt7621_gate_is_enabled(struct
- if (regmap_read(sysc, SYSC_REG_CLKCFG1, &val))
- return 0;
-
-- return val & BIT(clk_gate->bit_idx);
-+ return val & clk_gate->bit_idx;
- }
-
- static const struct clk_ops mt7621_gate_ops = {
-@@ -133,8 +133,14 @@ static const struct clk_ops mt7621_gate_
- static int mt7621_gate_ops_init(struct device *dev,
- struct mt7621_gate *sclk)
- {
-+ /*
-+ * There are drivers for this SoC that are older
-+ * than clock driver and are not prepared for the clock.
-+ * We don't want the kernel to disable anything so we
-+ * add CLK_IS_CRITICAL flag here.
-+ */
- struct clk_init_data init = {
-- .flags = CLK_SET_RATE_PARENT,
-+ .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
- .num_parents = 1,
- .parent_names = &sclk->parent_name,
- .ops = &mt7621_gate_ops,
+++ /dev/null
-From 612616e6381929e7f9e303f8b8ad3655cc101516 Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 19 Jun 2023 06:09:33 +0200
-Subject: [PATCH 1/9] dt-bindings: clock: add mtmips SoCs system controller
-
-Adds device tree binding documentation for system controller node present
-in Mediatek MIPS and Ralink SOCs. This node is a clock and reset provider
-for the rest of the world. This covers RT2880, RT3050, RT3052, RT3350,
-RT3883, RT5350, MT7620, MT7628 and MT7688 SoCs.
-
-Reviewed-by: Rob Herring <robh@kernel.org>
-Acked-by: Stephen Boyd <sboyd@kernel.org>
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- .../bindings/clock/mediatek,mtmips-sysc.yaml | 64 ++++++++++++++++++++++
- 1 file changed, 64 insertions(+)
- create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml
-
---- /dev/null
-+++ b/Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml
-@@ -0,0 +1,64 @@
-+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-+%YAML 1.2
-+---
-+$id: http://devicetree.org/schemas/clock/mediatek,mtmips-sysc.yaml#
-+$schema: http://devicetree.org/meta-schemas/core.yaml#
-+
-+title: MTMIPS SoCs System Controller
-+
-+maintainers:
-+ - Sergio Paracuellos <sergio.paracuellos@gmail.com>
-+
-+description: |
-+ MediaTek MIPS and Ralink SoCs provides a system controller to allow
-+ to access to system control registers. These registers include clock
-+ and reset related ones so this node is both clock and reset provider
-+ for the rest of the world.
-+
-+ These SoCs have an XTAL from where the cpu clock is
-+ provided as well as derived clocks for the bus and the peripherals.
-+
-+properties:
-+ compatible:
-+ items:
-+ - enum:
-+ - ralink,mt7620-sysc
-+ - ralink,mt7628-sysc
-+ - ralink,mt7688-sysc
-+ - ralink,rt2880-sysc
-+ - ralink,rt3050-sysc
-+ - ralink,rt3052-sysc
-+ - ralink,rt3352-sysc
-+ - ralink,rt3883-sysc
-+ - ralink,rt5350-sysc
-+ - const: syscon
-+
-+ reg:
-+ maxItems: 1
-+
-+ '#clock-cells':
-+ description:
-+ The first cell indicates the clock number.
-+ const: 1
-+
-+ '#reset-cells':
-+ description:
-+ The first cell indicates the reset bit within the register.
-+ const: 1
-+
-+required:
-+ - compatible
-+ - reg
-+ - '#clock-cells'
-+ - '#reset-cells'
-+
-+additionalProperties: false
-+
-+examples:
-+ - |
-+ syscon@0 {
-+ compatible = "ralink,rt5350-sysc", "syscon";
-+ reg = <0x0 0x100>;
-+ #clock-cells = <1>;
-+ #reset-cells = <1>;
-+ };
+++ /dev/null
-From 6f3b15586eef736831abe6a14f2a6906bc0dc074 Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 19 Jun 2023 06:09:34 +0200
-Subject: [PATCH 2/9] clk: ralink: add clock and reset driver for MTMIPS SoCs
-
-Until now, clock related code for old ralink SoCs was based in fixed clocks
-using 'clk_register_fixed_rate' and 'clkdev_create' directly doing in code
-and not using device tree at all for their definition. Including this driver
-is an effort to be able to define proper clocks using device tree and also
-cleaning all the clock and reset related code from 'arch/mips/ralink' dir.
-This clock and reset driver covers all the ralink SoCs but MT7621 which is
-the newest and provides gating and some differences that make it different
-from its predecesors. It has its own driver since some time ago. The ralink
-SoCs we are taking about are RT2880, RT3050, RT3052, RT3350, RT3352, RT3883,
-RT5350, MT7620, MT7628 and MT7688. Mostly the code in this new driver has
-been extracted from 'arch/mips/ralink' and cleanly put using kernel clock
-driver APIs. The clock plans for this SoCs only talks about relation between
-CPU frequency and BUS frequency. This relation is different depending on the
-particular SoC. CPU clock is derived from XTAL frequencies.
-
-Depending on the SoC we have the following frequencies:
-* RT2880 SoC:
- - XTAL: 40 MHz.
- - CPU: 250, 266, 280 or 300 MHz.
- - BUS: CPU / 2 MHz.
-* RT3050, RT3052, RT3350:
- - XTAL: 40 MHz.
- - CPU: 320 or 384 MHz.
- - BUS: CPU / 3 MHz.
-* RT3352:
- - XTAL: 40 MHz.
- - CPU: 384 or 400 MHz.
- - BUS: CPU / 3 MHz.
- - PERIPH: 40 MHz.
-* RT3383:
- - XTAL: 40 MHz.
- - CPU: 250, 384, 480 or 500 MHz.
- - BUS: Depends on RAM Type and CPU:
- + RAM DDR2: 125. ELSE 83 MHz.
- + RAM DDR2: 128. ELSE 96 MHz.
- + RAM DDR2: 160. ELSE 120 MHz.
- + RAM DDR2: 166. ELSE 125 MHz.
-* RT5350:
- - XTAL: 40 MHz.
- - CPU: 300, 320 or 360 MHz.
- - BUS: CPU / 3, CPU / 4, CPU / 3 MHz.
- - PERIPH: 40 MHz.
-* MT7628 and MT7688:
- - XTAL: 20 MHz or 40 MHz.
- - CPU: 575 or 580 MHz.
- - BUS: CPU / 3.
- - PCMI2S: 480 MHz.
- - PERIPH: 40 MHz.
-* MT7620:
- - XTAL: 20 MHz or 40 MHz.
- - PLL: XTAL, 480, 600 MHz.
- - CPU: depends on PLL and some mult and dividers.
- - BUS: depends on PLL and some mult and dividers.
- - PERIPH: 40 or XTAL MHz.
-
-MT7620 is a bit more complex deriving CPU clock from a PLL and an bunch of
-register reads and predividers. To derive CPU and BUS frequencies in the
-MT7620 SoC 'mt7620_calc_rate()' helper is used.
-
-In the case XTAL can have different frequencies and we need a different
-clock frequency for peripherals 'periph' clock in introduced.
-
-The rest of the peripherals present in the SoC just follow their parent
-frequencies.
-
-With this information the clk driver will provide all the clock and reset
-functionality from a set of hardcoded clocks allowing to define a nice
-device tree without fixed clocks.
-
-Acked-by: Stephen Boyd <sboyd@kernel.org>
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- drivers/clk/ralink/Kconfig | 7 +
- drivers/clk/ralink/Makefile | 1 +
- drivers/clk/ralink/clk-mtmips.c | 1115 +++++++++++++++++++++++++++++++++++++++
- 3 files changed, 1123 insertions(+)
- create mode 100644 drivers/clk/ralink/clk-mtmips.c
-
---- a/drivers/clk/ralink/Kconfig
-+++ b/drivers/clk/ralink/Kconfig
-@@ -9,3 +9,10 @@ config CLK_MT7621
- select MFD_SYSCON
- help
- This driver supports MediaTek MT7621 basic clocks.
-+
-+config CLK_MTMIPS
-+ bool "Clock driver for MTMIPS SoCs"
-+ depends on SOC_RT305X || SOC_RT288X || SOC_RT3883 || SOC_MT7620 || COMPILE_TEST
-+ select MFD_SYSCON
-+ help
-+ This driver supports MTMIPS basic clocks.
---- a/drivers/clk/ralink/Makefile
-+++ b/drivers/clk/ralink/Makefile
-@@ -1,2 +1,3 @@
- # SPDX-License-Identifier: GPL-2.0
- obj-$(CONFIG_CLK_MT7621) += clk-mt7621.o
-+obj-$(CONFIG_CLK_MTMIPS) += clk-mtmips.o
---- /dev/null
-+++ b/drivers/clk/ralink/clk-mtmips.c
-@@ -0,0 +1,1115 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * MTMIPS SoCs Clock Driver
-+ * Author: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-+ */
-+
-+#include <linux/bitops.h>
-+#include <linux/clk-provider.h>
-+#include <linux/mfd/syscon.h>
-+#include <linux/platform_device.h>
-+#include <linux/regmap.h>
-+#include <linux/reset-controller.h>
-+#include <linux/slab.h>
-+
-+/* Configuration registers */
-+#define SYSC_REG_SYSTEM_CONFIG 0x10
-+#define SYSC_REG_CLKCFG0 0x2c
-+#define SYSC_REG_RESET_CTRL 0x34
-+#define SYSC_REG_CPU_SYS_CLKCFG 0x3c
-+#define SYSC_REG_CPLL_CONFIG0 0x54
-+#define SYSC_REG_CPLL_CONFIG1 0x58
-+
-+/* RT2880 SoC */
-+#define RT2880_CONFIG_CPUCLK_SHIFT 20
-+#define RT2880_CONFIG_CPUCLK_MASK 0x3
-+#define RT2880_CONFIG_CPUCLK_250 0x0
-+#define RT2880_CONFIG_CPUCLK_266 0x1
-+#define RT2880_CONFIG_CPUCLK_280 0x2
-+#define RT2880_CONFIG_CPUCLK_300 0x3
-+
-+/* RT305X SoC */
-+#define RT305X_SYSCFG_CPUCLK_SHIFT 18
-+#define RT305X_SYSCFG_CPUCLK_MASK 0x1
-+#define RT305X_SYSCFG_CPUCLK_LOW 0x0
-+#define RT305X_SYSCFG_CPUCLK_HIGH 0x1
-+
-+/* RT3352 SoC */
-+#define RT3352_SYSCFG0_CPUCLK_SHIFT 8
-+#define RT3352_SYSCFG0_CPUCLK_MASK 0x1
-+#define RT3352_SYSCFG0_CPUCLK_LOW 0x0
-+#define RT3352_SYSCFG0_CPUCLK_HIGH 0x1
-+
-+/* RT3383 SoC */
-+#define RT3883_SYSCFG0_DRAM_TYPE_DDR2 BIT(17)
-+#define RT3883_SYSCFG0_CPUCLK_SHIFT 8
-+#define RT3883_SYSCFG0_CPUCLK_MASK 0x3
-+#define RT3883_SYSCFG0_CPUCLK_250 0x0
-+#define RT3883_SYSCFG0_CPUCLK_384 0x1
-+#define RT3883_SYSCFG0_CPUCLK_480 0x2
-+#define RT3883_SYSCFG0_CPUCLK_500 0x3
-+
-+/* RT5350 SoC */
-+#define RT5350_CLKCFG0_XTAL_SEL BIT(20)
-+#define RT5350_SYSCFG0_CPUCLK_SHIFT 8
-+#define RT5350_SYSCFG0_CPUCLK_MASK 0x3
-+#define RT5350_SYSCFG0_CPUCLK_360 0x0
-+#define RT5350_SYSCFG0_CPUCLK_320 0x2
-+#define RT5350_SYSCFG0_CPUCLK_300 0x3
-+
-+/* MT7620 and MT76x8 SoCs */
-+#define MT7620_XTAL_FREQ_SEL BIT(6)
-+#define CPLL_CFG0_SW_CFG BIT(31)
-+#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT 16
-+#define CPLL_CFG0_PLL_MULT_RATIO_MASK 0x7
-+#define CPLL_CFG0_LC_CURFCK BIT(15)
-+#define CPLL_CFG0_BYPASS_REF_CLK BIT(14)
-+#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT 10
-+#define CPLL_CFG0_PLL_DIV_RATIO_MASK 0x3
-+#define CPLL_CFG1_CPU_AUX1 BIT(25)
-+#define CPLL_CFG1_CPU_AUX0 BIT(24)
-+#define CLKCFG0_PERI_CLK_SEL BIT(4)
-+#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT 16
-+#define CPU_SYS_CLKCFG_OCP_RATIO_MASK 0xf
-+#define CPU_SYS_CLKCFG_OCP_RATIO_1 0 /* 1:1 (Reserved) */
-+#define CPU_SYS_CLKCFG_OCP_RATIO_1_5 1 /* 1:1.5 (Reserved) */
-+#define CPU_SYS_CLKCFG_OCP_RATIO_2 2 /* 1:2 */
-+#define CPU_SYS_CLKCFG_OCP_RATIO_2_5 3 /* 1:2.5 (Reserved) */
-+#define CPU_SYS_CLKCFG_OCP_RATIO_3 4 /* 1:3 */
-+#define CPU_SYS_CLKCFG_OCP_RATIO_3_5 5 /* 1:3.5 (Reserved) */
-+#define CPU_SYS_CLKCFG_OCP_RATIO_4 6 /* 1:4 */
-+#define CPU_SYS_CLKCFG_OCP_RATIO_5 7 /* 1:5 */
-+#define CPU_SYS_CLKCFG_OCP_RATIO_10 8 /* 1:10 */
-+#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT 8
-+#define CPU_SYS_CLKCFG_CPU_FDIV_MASK 0x1f
-+#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT 0
-+#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK 0x1f
-+
-+/* clock scaling */
-+#define CLKCFG_FDIV_MASK 0x1f00
-+#define CLKCFG_FDIV_USB_VAL 0x0300
-+#define CLKCFG_FFRAC_MASK 0x001f
-+#define CLKCFG_FFRAC_USB_VAL 0x0003
-+
-+struct mtmips_clk;
-+struct mtmips_clk_fixed;
-+struct mtmips_clk_factor;
-+
-+struct mtmips_clk_data {
-+ struct mtmips_clk *clk_base;
-+ size_t num_clk_base;
-+ struct mtmips_clk_fixed *clk_fixed;
-+ size_t num_clk_fixed;
-+ struct mtmips_clk_factor *clk_factor;
-+ size_t num_clk_factor;
-+ struct mtmips_clk *clk_periph;
-+ size_t num_clk_periph;
-+};
-+
-+struct mtmips_clk_priv {
-+ struct regmap *sysc;
-+ const struct mtmips_clk_data *data;
-+};
-+
-+struct mtmips_clk {
-+ struct clk_hw hw;
-+ struct mtmips_clk_priv *priv;
-+};
-+
-+struct mtmips_clk_fixed {
-+ const char *name;
-+ const char *parent;
-+ unsigned long rate;
-+ struct clk_hw *hw;
-+};
-+
-+struct mtmips_clk_factor {
-+ const char *name;
-+ const char *parent;
-+ int mult;
-+ int div;
-+ unsigned long flags;
-+ struct clk_hw *hw;
-+};
-+
-+static unsigned long mtmips_pherip_clk_rate(struct clk_hw *hw,
-+ unsigned long parent_rate)
-+{
-+ return parent_rate;
-+}
-+
-+static const struct clk_ops mtmips_periph_clk_ops = {
-+ .recalc_rate = mtmips_pherip_clk_rate,
-+};
-+
-+#define CLK_PERIPH(_name, _parent) { \
-+ .init = &(const struct clk_init_data) { \
-+ .name = _name, \
-+ .ops = &mtmips_periph_clk_ops, \
-+ .parent_data = &(const struct clk_parent_data) {\
-+ .name = _parent, \
-+ .fw_name = _parent \
-+ }, \
-+ .num_parents = 1, \
-+ /* \
-+ * There are drivers for these SoCs that are \
-+ * older than clock driver and are not prepared \
-+ * for the clock. We don't want the kernel to \
-+ * disable anything so we add CLK_IS_CRITICAL \
-+ * flag here. \
-+ */ \
-+ .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL \
-+ }, \
-+}
-+
-+static struct mtmips_clk rt2880_pherip_clks[] = {
-+ { CLK_PERIPH("300100.timer", "bus") },
-+ { CLK_PERIPH("300120.watchdog", "bus") },
-+ { CLK_PERIPH("300500.uart", "bus") },
-+ { CLK_PERIPH("300900.i2c", "bus") },
-+ { CLK_PERIPH("300c00.uartlite", "bus") },
-+ { CLK_PERIPH("400000.ethernet", "bus") },
-+ { CLK_PERIPH("480000.wmac", "xtal") }
-+};
-+
-+static struct mtmips_clk rt305x_pherip_clks[] = {
-+ { CLK_PERIPH("10000100.timer", "bus") },
-+ { CLK_PERIPH("10000120.watchdog", "bus") },
-+ { CLK_PERIPH("10000500.uart", "bus") },
-+ { CLK_PERIPH("10000900.i2c", "bus") },
-+ { CLK_PERIPH("10000a00.i2s", "bus") },
-+ { CLK_PERIPH("10000b00.spi", "bus") },
-+ { CLK_PERIPH("10000b40.spi", "bus") },
-+ { CLK_PERIPH("10000c00.uartlite", "bus") },
-+ { CLK_PERIPH("10100000.ethernet", "bus") },
-+ { CLK_PERIPH("10180000.wmac", "xtal") }
-+};
-+
-+static struct mtmips_clk rt5350_pherip_clks[] = {
-+ { CLK_PERIPH("10000100.timer", "bus") },
-+ { CLK_PERIPH("10000120.watchdog", "bus") },
-+ { CLK_PERIPH("10000500.uart", "periph") },
-+ { CLK_PERIPH("10000900.i2c", "periph") },
-+ { CLK_PERIPH("10000a00.i2s", "periph") },
-+ { CLK_PERIPH("10000b00.spi", "bus") },
-+ { CLK_PERIPH("10000b40.spi", "bus") },
-+ { CLK_PERIPH("10000c00.uartlite", "periph") },
-+ { CLK_PERIPH("10100000.ethernet", "bus") },
-+ { CLK_PERIPH("10180000.wmac", "xtal") }
-+};
-+
-+static struct mtmips_clk mt7620_pherip_clks[] = {
-+ { CLK_PERIPH("10000100.timer", "periph") },
-+ { CLK_PERIPH("10000120.watchdog", "periph") },
-+ { CLK_PERIPH("10000500.uart", "periph") },
-+ { CLK_PERIPH("10000900.i2c", "periph") },
-+ { CLK_PERIPH("10000a00.i2s", "periph") },
-+ { CLK_PERIPH("10000b00.spi", "bus") },
-+ { CLK_PERIPH("10000b40.spi", "bus") },
-+ { CLK_PERIPH("10000c00.uartlite", "periph") },
-+ { CLK_PERIPH("10180000.wmac", "xtal") }
-+};
-+
-+static struct mtmips_clk mt76x8_pherip_clks[] = {
-+ { CLK_PERIPH("10000100.timer", "periph") },
-+ { CLK_PERIPH("10000120.watchdog", "periph") },
-+ { CLK_PERIPH("10000900.i2c", "periph") },
-+ { CLK_PERIPH("10000a00.i2s", "pcmi2s") },
-+ { CLK_PERIPH("10000b00.spi", "bus") },
-+ { CLK_PERIPH("10000b40.spi", "bus") },
-+ { CLK_PERIPH("10000c00.uart0", "periph") },
-+ { CLK_PERIPH("10000d00.uart1", "periph") },
-+ { CLK_PERIPH("10000e00.uart2", "periph") },
-+ { CLK_PERIPH("10300000.wmac", "xtal") }
-+};
-+
-+static int mtmips_register_pherip_clocks(struct device_node *np,
-+ struct clk_hw_onecell_data *clk_data,
-+ struct mtmips_clk_priv *priv)
-+{
-+ struct clk_hw **hws = clk_data->hws;
-+ struct mtmips_clk *sclk;
-+ size_t idx_start = priv->data->num_clk_base + priv->data->num_clk_fixed +
-+ priv->data->num_clk_factor;
-+ int ret, i;
-+
-+ for (i = 0; i < priv->data->num_clk_periph; i++) {
-+ int idx = idx_start + i;
-+
-+ sclk = &priv->data->clk_periph[i];
-+ ret = of_clk_hw_register(np, &sclk->hw);
-+ if (ret) {
-+ pr_err("Couldn't register peripheral clock %d\n", idx);
-+ goto err_clk_unreg;
-+ }
-+
-+ hws[idx] = &sclk->hw;
-+ }
-+
-+ return 0;
-+
-+err_clk_unreg:
-+ while (--i >= 0) {
-+ sclk = &priv->data->clk_periph[i];
-+ clk_hw_unregister(&sclk->hw);
-+ }
-+ return ret;
-+}
-+
-+#define CLK_FIXED(_name, _parent, _rate) \
-+ { \
-+ .name = _name, \
-+ .parent = _parent, \
-+ .rate = _rate \
-+ }
-+
-+static struct mtmips_clk_fixed rt305x_fixed_clocks[] = {
-+ CLK_FIXED("xtal", NULL, 40000000)
-+};
-+
-+static struct mtmips_clk_fixed rt3352_fixed_clocks[] = {
-+ CLK_FIXED("periph", "xtal", 40000000)
-+};
-+
-+static struct mtmips_clk_fixed mt76x8_fixed_clocks[] = {
-+ CLK_FIXED("pcmi2s", "xtal", 480000000),
-+ CLK_FIXED("periph", "xtal", 40000000)
-+};
-+
-+static int mtmips_register_fixed_clocks(struct clk_hw_onecell_data *clk_data,
-+ struct mtmips_clk_priv *priv)
-+{
-+ struct clk_hw **hws = clk_data->hws;
-+ struct mtmips_clk_fixed *sclk;
-+ size_t idx_start = priv->data->num_clk_base;
-+ int ret, i;
-+
-+ for (i = 0; i < priv->data->num_clk_fixed; i++) {
-+ int idx = idx_start + i;
-+
-+ sclk = &priv->data->clk_fixed[i];
-+ sclk->hw = clk_hw_register_fixed_rate(NULL, sclk->name,
-+ sclk->parent, 0,
-+ sclk->rate);
-+ if (IS_ERR(sclk->hw)) {
-+ pr_err("Couldn't register fixed clock %d\n", idx);
-+ goto err_clk_unreg;
-+ }
-+
-+ hws[idx] = sclk->hw;
-+ }
-+
-+ return 0;
-+
-+err_clk_unreg:
-+ while (--i >= 0) {
-+ sclk = &priv->data->clk_fixed[i];
-+ clk_hw_unregister_fixed_rate(sclk->hw);
-+ }
-+ return ret;
-+}
-+
-+#define CLK_FACTOR(_name, _parent, _mult, _div) \
-+ { \
-+ .name = _name, \
-+ .parent = _parent, \
-+ .mult = _mult, \
-+ .div = _div, \
-+ .flags = CLK_SET_RATE_PARENT \
-+ }
-+
-+static struct mtmips_clk_factor rt2880_factor_clocks[] = {
-+ CLK_FACTOR("bus", "cpu", 1, 2)
-+};
-+
-+static struct mtmips_clk_factor rt305x_factor_clocks[] = {
-+ CLK_FACTOR("bus", "cpu", 1, 3)
-+};
-+
-+static int mtmips_register_factor_clocks(struct clk_hw_onecell_data *clk_data,
-+ struct mtmips_clk_priv *priv)
-+{
-+ struct clk_hw **hws = clk_data->hws;
-+ struct mtmips_clk_factor *sclk;
-+ size_t idx_start = priv->data->num_clk_base + priv->data->num_clk_fixed;
-+ int ret, i;
-+
-+ for (i = 0; i < priv->data->num_clk_factor; i++) {
-+ int idx = idx_start + i;
-+
-+ sclk = &priv->data->clk_factor[i];
-+ sclk->hw = clk_hw_register_fixed_factor(NULL, sclk->name,
-+ sclk->parent, sclk->flags,
-+ sclk->mult, sclk->div);
-+ if (IS_ERR(sclk->hw)) {
-+ pr_err("Couldn't register factor clock %d\n", idx);
-+ goto err_clk_unreg;
-+ }
-+
-+ hws[idx] = sclk->hw;
-+ }
-+
-+ return 0;
-+
-+err_clk_unreg:
-+ while (--i >= 0) {
-+ sclk = &priv->data->clk_factor[i];
-+ clk_hw_unregister_fixed_factor(sclk->hw);
-+ }
-+ return ret;
-+}
-+
-+static inline struct mtmips_clk *to_mtmips_clk(struct clk_hw *hw)
-+{
-+ return container_of(hw, struct mtmips_clk, hw);
-+}
-+
-+static unsigned long rt5350_xtal_recalc_rate(struct clk_hw *hw,
-+ unsigned long parent_rate)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 val;
-+
-+ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &val);
-+ if (!(val & RT5350_CLKCFG0_XTAL_SEL))
-+ return 20000000;
-+
-+ return 40000000;
-+}
-+
-+static unsigned long rt5350_cpu_recalc_rate(struct clk_hw *hw,
-+ unsigned long xtal_clk)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 t;
-+
-+ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
-+ t = (t >> RT5350_SYSCFG0_CPUCLK_SHIFT) & RT5350_SYSCFG0_CPUCLK_MASK;
-+
-+ switch (t) {
-+ case RT5350_SYSCFG0_CPUCLK_360:
-+ return 360000000;
-+ case RT5350_SYSCFG0_CPUCLK_320:
-+ return 320000000;
-+ case RT5350_SYSCFG0_CPUCLK_300:
-+ return 300000000;
-+ default:
-+ BUG();
-+ }
-+}
-+
-+static unsigned long rt5350_bus_recalc_rate(struct clk_hw *hw,
-+ unsigned long parent_rate)
-+{
-+ if (parent_rate == 320000000)
-+ return parent_rate / 4;
-+
-+ return parent_rate / 3;
-+}
-+
-+static unsigned long rt3352_cpu_recalc_rate(struct clk_hw *hw,
-+ unsigned long xtal_clk)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 t;
-+
-+ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
-+ t = (t >> RT3352_SYSCFG0_CPUCLK_SHIFT) & RT3352_SYSCFG0_CPUCLK_MASK;
-+
-+ switch (t) {
-+ case RT3352_SYSCFG0_CPUCLK_LOW:
-+ return 384000000;
-+ case RT3352_SYSCFG0_CPUCLK_HIGH:
-+ return 400000000;
-+ default:
-+ BUG();
-+ }
-+}
-+
-+static unsigned long rt305x_cpu_recalc_rate(struct clk_hw *hw,
-+ unsigned long xtal_clk)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 t;
-+
-+ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
-+ t = (t >> RT305X_SYSCFG_CPUCLK_SHIFT) & RT305X_SYSCFG_CPUCLK_MASK;
-+
-+ switch (t) {
-+ case RT305X_SYSCFG_CPUCLK_LOW:
-+ return 320000000;
-+ case RT305X_SYSCFG_CPUCLK_HIGH:
-+ return 384000000;
-+ default:
-+ BUG();
-+ }
-+}
-+
-+static unsigned long rt3883_cpu_recalc_rate(struct clk_hw *hw,
-+ unsigned long xtal_clk)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 t;
-+
-+ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
-+ t = (t >> RT3883_SYSCFG0_CPUCLK_SHIFT) & RT3883_SYSCFG0_CPUCLK_MASK;
-+
-+ switch (t) {
-+ case RT3883_SYSCFG0_CPUCLK_250:
-+ return 250000000;
-+ case RT3883_SYSCFG0_CPUCLK_384:
-+ return 384000000;
-+ case RT3883_SYSCFG0_CPUCLK_480:
-+ return 480000000;
-+ case RT3883_SYSCFG0_CPUCLK_500:
-+ return 500000000;
-+ default:
-+ BUG();
-+ }
-+}
-+
-+static unsigned long rt3883_bus_recalc_rate(struct clk_hw *hw,
-+ unsigned long parent_rate)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 ddr2;
-+ u32 t;
-+
-+ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
-+ ddr2 = t & RT3883_SYSCFG0_DRAM_TYPE_DDR2;
-+
-+ switch (parent_rate) {
-+ case 250000000:
-+ return (ddr2) ? 125000000 : 83000000;
-+ case 384000000:
-+ return (ddr2) ? 128000000 : 96000000;
-+ case 480000000:
-+ return (ddr2) ? 160000000 : 120000000;
-+ case 500000000:
-+ return (ddr2) ? 166000000 : 125000000;
-+ default:
-+ WARN_ON_ONCE(parent_rate == 0);
-+ return parent_rate / 4;
-+ }
-+}
-+
-+static unsigned long rt2880_cpu_recalc_rate(struct clk_hw *hw,
-+ unsigned long xtal_clk)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 t;
-+
-+ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
-+ t = (t >> RT2880_CONFIG_CPUCLK_SHIFT) & RT2880_CONFIG_CPUCLK_MASK;
-+
-+ switch (t) {
-+ case RT2880_CONFIG_CPUCLK_250:
-+ return 250000000;
-+ case RT2880_CONFIG_CPUCLK_266:
-+ return 266000000;
-+ case RT2880_CONFIG_CPUCLK_280:
-+ return 280000000;
-+ case RT2880_CONFIG_CPUCLK_300:
-+ return 300000000;
-+ default:
-+ BUG();
-+ }
-+}
-+
-+static u32 mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div)
-+{
-+ u64 t;
-+
-+ t = ref_rate;
-+ t *= mul;
-+ t = div_u64(t, div);
-+
-+ return t;
-+}
-+
-+static unsigned long mt7620_pll_recalc_rate(struct clk_hw *hw,
-+ unsigned long parent_rate)
-+{
-+ static const u32 clk_divider[] = { 2, 3, 4, 8 };
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ unsigned long cpu_pll;
-+ u32 t;
-+ u32 mul;
-+ u32 div;
-+
-+ regmap_read(sysc, SYSC_REG_CPLL_CONFIG0, &t);
-+ if (t & CPLL_CFG0_BYPASS_REF_CLK) {
-+ cpu_pll = parent_rate;
-+ } else if ((t & CPLL_CFG0_SW_CFG) == 0) {
-+ cpu_pll = 600000000;
-+ } else {
-+ mul = (t >> CPLL_CFG0_PLL_MULT_RATIO_SHIFT) &
-+ CPLL_CFG0_PLL_MULT_RATIO_MASK;
-+ mul += 24;
-+ if (t & CPLL_CFG0_LC_CURFCK)
-+ mul *= 2;
-+
-+ div = (t >> CPLL_CFG0_PLL_DIV_RATIO_SHIFT) &
-+ CPLL_CFG0_PLL_DIV_RATIO_MASK;
-+
-+ WARN_ON_ONCE(div >= ARRAY_SIZE(clk_divider));
-+
-+ cpu_pll = mt7620_calc_rate(parent_rate, mul, clk_divider[div]);
-+ }
-+
-+ regmap_read(sysc, SYSC_REG_CPLL_CONFIG1, &t);
-+ if (t & CPLL_CFG1_CPU_AUX1)
-+ return parent_rate;
-+
-+ if (t & CPLL_CFG1_CPU_AUX0)
-+ return 480000000;
-+
-+ return cpu_pll;
-+}
-+
-+static unsigned long mt7620_cpu_recalc_rate(struct clk_hw *hw,
-+ unsigned long parent_rate)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 t;
-+ u32 mul;
-+ u32 div;
-+
-+ regmap_read(sysc, SYSC_REG_CPU_SYS_CLKCFG, &t);
-+ mul = t & CPU_SYS_CLKCFG_CPU_FFRAC_MASK;
-+ div = (t >> CPU_SYS_CLKCFG_CPU_FDIV_SHIFT) &
-+ CPU_SYS_CLKCFG_CPU_FDIV_MASK;
-+
-+ return mt7620_calc_rate(parent_rate, mul, div);
-+}
-+
-+static unsigned long mt7620_bus_recalc_rate(struct clk_hw *hw,
-+ unsigned long parent_rate)
-+{
-+ static const u32 ocp_dividers[16] = {
-+ [CPU_SYS_CLKCFG_OCP_RATIO_2] = 2,
-+ [CPU_SYS_CLKCFG_OCP_RATIO_3] = 3,
-+ [CPU_SYS_CLKCFG_OCP_RATIO_4] = 4,
-+ [CPU_SYS_CLKCFG_OCP_RATIO_5] = 5,
-+ [CPU_SYS_CLKCFG_OCP_RATIO_10] = 10,
-+ };
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 t;
-+ u32 ocp_ratio;
-+ u32 div;
-+
-+ regmap_read(sysc, SYSC_REG_CPU_SYS_CLKCFG, &t);
-+ ocp_ratio = (t >> CPU_SYS_CLKCFG_OCP_RATIO_SHIFT) &
-+ CPU_SYS_CLKCFG_OCP_RATIO_MASK;
-+
-+ if (WARN_ON_ONCE(ocp_ratio >= ARRAY_SIZE(ocp_dividers)))
-+ return parent_rate;
-+
-+ div = ocp_dividers[ocp_ratio];
-+
-+ if (WARN(!div, "invalid divider for OCP ratio %u", ocp_ratio))
-+ return parent_rate;
-+
-+ return parent_rate / div;
-+}
-+
-+static unsigned long mt7620_periph_recalc_rate(struct clk_hw *hw,
-+ unsigned long parent_rate)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 t;
-+
-+ regmap_read(sysc, SYSC_REG_CLKCFG0, &t);
-+ if (t & CLKCFG0_PERI_CLK_SEL)
-+ return parent_rate;
-+
-+ return 40000000;
-+}
-+
-+static unsigned long mt76x8_xtal_recalc_rate(struct clk_hw *hw,
-+ unsigned long parent_rate)
-+{
-+ struct mtmips_clk *clk = to_mtmips_clk(hw);
-+ struct regmap *sysc = clk->priv->sysc;
-+ u32 t;
-+
-+ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
-+ if (t & MT7620_XTAL_FREQ_SEL)
-+ return 40000000;
-+
-+ return 20000000;
-+}
-+
-+static unsigned long mt76x8_cpu_recalc_rate(struct clk_hw *hw,
-+ unsigned long xtal_clk)
-+{
-+ if (xtal_clk == 40000000)
-+ return 580000000;
-+
-+ return 575000000;
-+}
-+
-+#define CLK_BASE(_name, _parent, _recalc) { \
-+ .init = &(const struct clk_init_data) { \
-+ .name = _name, \
-+ .ops = &(const struct clk_ops) { \
-+ .recalc_rate = _recalc, \
-+ }, \
-+ .parent_data = &(const struct clk_parent_data) { \
-+ .name = _parent, \
-+ .fw_name = _parent \
-+ }, \
-+ .num_parents = _parent ? 1 : 0 \
-+ }, \
-+}
-+
-+static struct mtmips_clk rt2880_clks_base[] = {
-+ { CLK_BASE("cpu", "xtal", rt2880_cpu_recalc_rate) }
-+};
-+
-+static struct mtmips_clk rt305x_clks_base[] = {
-+ { CLK_BASE("cpu", "xtal", rt305x_cpu_recalc_rate) }
-+};
-+
-+static struct mtmips_clk rt3352_clks_base[] = {
-+ { CLK_BASE("xtal", NULL, rt5350_xtal_recalc_rate) },
-+ { CLK_BASE("cpu", "xtal", rt3352_cpu_recalc_rate) }
-+};
-+
-+static struct mtmips_clk rt3883_clks_base[] = {
-+ { CLK_BASE("cpu", "xtal", rt3883_cpu_recalc_rate) },
-+ { CLK_BASE("bus", "cpu", rt3883_bus_recalc_rate) }
-+};
-+
-+static struct mtmips_clk rt5350_clks_base[] = {
-+ { CLK_BASE("xtal", NULL, rt5350_xtal_recalc_rate) },
-+ { CLK_BASE("cpu", "xtal", rt5350_cpu_recalc_rate) },
-+ { CLK_BASE("bus", "cpu", rt5350_bus_recalc_rate) }
-+};
-+
-+static struct mtmips_clk mt7620_clks_base[] = {
-+ { CLK_BASE("xtal", NULL, mt76x8_xtal_recalc_rate) },
-+ { CLK_BASE("pll", "xtal", mt7620_pll_recalc_rate) },
-+ { CLK_BASE("cpu", "pll", mt7620_cpu_recalc_rate) },
-+ { CLK_BASE("periph", "xtal", mt7620_periph_recalc_rate) },
-+ { CLK_BASE("bus", "cpu", mt7620_bus_recalc_rate) }
-+};
-+
-+static struct mtmips_clk mt76x8_clks_base[] = {
-+ { CLK_BASE("xtal", NULL, mt76x8_xtal_recalc_rate) },
-+ { CLK_BASE("cpu", "xtal", mt76x8_cpu_recalc_rate) }
-+};
-+
-+static int mtmips_register_clocks(struct device_node *np,
-+ struct clk_hw_onecell_data *clk_data,
-+ struct mtmips_clk_priv *priv)
-+{
-+ struct clk_hw **hws = clk_data->hws;
-+ struct mtmips_clk *sclk;
-+ int ret, i;
-+
-+ for (i = 0; i < priv->data->num_clk_base; i++) {
-+ sclk = &priv->data->clk_base[i];
-+ sclk->priv = priv;
-+ ret = of_clk_hw_register(np, &sclk->hw);
-+ if (ret) {
-+ pr_err("Couldn't register top clock %i\n", i);
-+ goto err_clk_unreg;
-+ }
-+
-+ hws[i] = &sclk->hw;
-+ }
-+
-+ return 0;
-+
-+err_clk_unreg:
-+ while (--i >= 0) {
-+ sclk = &priv->data->clk_base[i];
-+ clk_hw_unregister(&sclk->hw);
-+ }
-+ return ret;
-+}
-+
-+static const struct mtmips_clk_data rt2880_clk_data = {
-+ .clk_base = rt2880_clks_base,
-+ .num_clk_base = ARRAY_SIZE(rt2880_clks_base),
-+ .clk_fixed = rt305x_fixed_clocks,
-+ .num_clk_fixed = ARRAY_SIZE(rt305x_fixed_clocks),
-+ .clk_factor = rt2880_factor_clocks,
-+ .num_clk_factor = ARRAY_SIZE(rt2880_factor_clocks),
-+ .clk_periph = rt2880_pherip_clks,
-+ .num_clk_periph = ARRAY_SIZE(rt2880_pherip_clks),
-+};
-+
-+static const struct mtmips_clk_data rt305x_clk_data = {
-+ .clk_base = rt305x_clks_base,
-+ .num_clk_base = ARRAY_SIZE(rt305x_clks_base),
-+ .clk_fixed = rt305x_fixed_clocks,
-+ .num_clk_fixed = ARRAY_SIZE(rt305x_fixed_clocks),
-+ .clk_factor = rt305x_factor_clocks,
-+ .num_clk_factor = ARRAY_SIZE(rt305x_factor_clocks),
-+ .clk_periph = rt305x_pherip_clks,
-+ .num_clk_periph = ARRAY_SIZE(rt305x_pherip_clks),
-+};
-+
-+static const struct mtmips_clk_data rt3352_clk_data = {
-+ .clk_base = rt3352_clks_base,
-+ .num_clk_base = ARRAY_SIZE(rt3352_clks_base),
-+ .clk_fixed = rt3352_fixed_clocks,
-+ .num_clk_fixed = ARRAY_SIZE(rt3352_fixed_clocks),
-+ .clk_factor = rt305x_factor_clocks,
-+ .num_clk_factor = ARRAY_SIZE(rt305x_factor_clocks),
-+ .clk_periph = rt5350_pherip_clks,
-+ .num_clk_periph = ARRAY_SIZE(rt5350_pherip_clks),
-+};
-+
-+static const struct mtmips_clk_data rt3883_clk_data = {
-+ .clk_base = rt3883_clks_base,
-+ .num_clk_base = ARRAY_SIZE(rt3883_clks_base),
-+ .clk_fixed = rt305x_fixed_clocks,
-+ .num_clk_fixed = ARRAY_SIZE(rt305x_fixed_clocks),
-+ .clk_factor = NULL,
-+ .num_clk_factor = 0,
-+ .clk_periph = rt5350_pherip_clks,
-+ .num_clk_periph = ARRAY_SIZE(rt5350_pherip_clks),
-+};
-+
-+static const struct mtmips_clk_data rt5350_clk_data = {
-+ .clk_base = rt5350_clks_base,
-+ .num_clk_base = ARRAY_SIZE(rt5350_clks_base),
-+ .clk_fixed = rt3352_fixed_clocks,
-+ .num_clk_fixed = ARRAY_SIZE(rt3352_fixed_clocks),
-+ .clk_factor = NULL,
-+ .num_clk_factor = 0,
-+ .clk_periph = rt5350_pherip_clks,
-+ .num_clk_periph = ARRAY_SIZE(rt5350_pherip_clks),
-+};
-+
-+static const struct mtmips_clk_data mt7620_clk_data = {
-+ .clk_base = mt7620_clks_base,
-+ .num_clk_base = ARRAY_SIZE(mt7620_clks_base),
-+ .clk_fixed = NULL,
-+ .num_clk_fixed = 0,
-+ .clk_factor = NULL,
-+ .num_clk_factor = 0,
-+ .clk_periph = mt7620_pherip_clks,
-+ .num_clk_periph = ARRAY_SIZE(mt7620_pherip_clks),
-+};
-+
-+static const struct mtmips_clk_data mt76x8_clk_data = {
-+ .clk_base = mt76x8_clks_base,
-+ .num_clk_base = ARRAY_SIZE(mt76x8_clks_base),
-+ .clk_fixed = mt76x8_fixed_clocks,
-+ .num_clk_fixed = ARRAY_SIZE(mt76x8_fixed_clocks),
-+ .clk_factor = rt305x_factor_clocks,
-+ .num_clk_factor = ARRAY_SIZE(rt305x_factor_clocks),
-+ .clk_periph = mt76x8_pherip_clks,
-+ .num_clk_periph = ARRAY_SIZE(mt76x8_pherip_clks),
-+};
-+
-+static const struct of_device_id mtmips_of_match[] = {
-+ {
-+ .compatible = "ralink,rt2880-sysc",
-+ .data = &rt2880_clk_data,
-+ },
-+ {
-+ .compatible = "ralink,rt3050-sysc",
-+ .data = &rt305x_clk_data,
-+ },
-+ {
-+ .compatible = "ralink,rt3052-sysc",
-+ .data = &rt305x_clk_data,
-+ },
-+ {
-+ .compatible = "ralink,rt3352-sysc",
-+ .data = &rt3352_clk_data,
-+ },
-+ {
-+ .compatible = "ralink,rt3883-sysc",
-+ .data = &rt3883_clk_data,
-+ },
-+ {
-+ .compatible = "ralink,rt5350-sysc",
-+ .data = &rt5350_clk_data,
-+ },
-+ {
-+ .compatible = "ralink,mt7620-sysc",
-+ .data = &mt7620_clk_data,
-+ },
-+ {
-+ .compatible = "ralink,mt7628-sysc",
-+ .data = &mt76x8_clk_data,
-+ },
-+ {
-+ .compatible = "ralink,mt7688-sysc",
-+ .data = &mt76x8_clk_data,
-+ },
-+ {}
-+};
-+
-+static void __init mtmips_clk_regs_init(struct device_node *node,
-+ struct mtmips_clk_priv *priv)
-+{
-+ u32 t;
-+
-+ if (!of_device_is_compatible(node, "ralink,mt7620-sysc"))
-+ return;
-+
-+ /*
-+ * When the CPU goes into sleep mode, the BUS
-+ * clock will be too low for USB to function properly.
-+ * Adjust the busses fractional divider to fix this
-+ */
-+ regmap_read(priv->sysc, SYSC_REG_CPU_SYS_CLKCFG, &t);
-+ t &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK);
-+ t |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL;
-+ regmap_write(priv->sysc, SYSC_REG_CPU_SYS_CLKCFG, t);
-+}
-+
-+static void __init mtmips_clk_init(struct device_node *node)
-+{
-+ const struct of_device_id *match;
-+ const struct mtmips_clk_data *data;
-+ struct mtmips_clk_priv *priv;
-+ struct clk_hw_onecell_data *clk_data;
-+ int ret, i, count;
-+
-+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-+ if (!priv)
-+ return;
-+
-+ priv->sysc = syscon_node_to_regmap(node);
-+ if (IS_ERR(priv->sysc)) {
-+ pr_err("Could not get sysc syscon regmap\n");
-+ goto free_clk_priv;
-+ }
-+
-+ mtmips_clk_regs_init(node, priv);
-+
-+ match = of_match_node(mtmips_of_match, node);
-+ if (WARN_ON(!match))
-+ return;
-+
-+ data = match->data;
-+ priv->data = data;
-+ count = priv->data->num_clk_base + priv->data->num_clk_fixed +
-+ priv->data->num_clk_factor + priv->data->num_clk_periph;
-+ clk_data = kzalloc(struct_size(clk_data, hws, count), GFP_KERNEL);
-+ if (!clk_data)
-+ goto free_clk_priv;
-+
-+ ret = mtmips_register_clocks(node, clk_data, priv);
-+ if (ret) {
-+ pr_err("Couldn't register top clocks\n");
-+ goto free_clk_data;
-+ }
-+
-+ ret = mtmips_register_fixed_clocks(clk_data, priv);
-+ if (ret) {
-+ pr_err("Couldn't register fixed clocks\n");
-+ goto unreg_clk_top;
-+ }
-+
-+ ret = mtmips_register_factor_clocks(clk_data, priv);
-+ if (ret) {
-+ pr_err("Couldn't register factor clocks\n");
-+ goto unreg_clk_fixed;
-+ }
-+
-+ ret = mtmips_register_pherip_clocks(node, clk_data, priv);
-+ if (ret) {
-+ pr_err("Couldn't register peripheral clocks\n");
-+ goto unreg_clk_factor;
-+ }
-+
-+ clk_data->num = count;
-+
-+ ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-+ if (ret) {
-+ pr_err("Couldn't add clk hw provider\n");
-+ goto unreg_clk_periph;
-+ }
-+
-+ return;
-+
-+unreg_clk_periph:
-+ for (i = 0; i < priv->data->num_clk_periph; i++) {
-+ struct mtmips_clk *sclk = &priv->data->clk_periph[i];
-+
-+ clk_hw_unregister(&sclk->hw);
-+ }
-+
-+unreg_clk_factor:
-+ for (i = 0; i < priv->data->num_clk_factor; i++) {
-+ struct mtmips_clk_factor *sclk = &priv->data->clk_factor[i];
-+
-+ clk_hw_unregister_fixed_factor(sclk->hw);
-+ }
-+
-+unreg_clk_fixed:
-+ for (i = 0; i < priv->data->num_clk_fixed; i++) {
-+ struct mtmips_clk_fixed *sclk = &priv->data->clk_fixed[i];
-+
-+ clk_hw_unregister_fixed_rate(sclk->hw);
-+ }
-+
-+unreg_clk_top:
-+ for (i = 0; i < priv->data->num_clk_base; i++) {
-+ struct mtmips_clk *sclk = &priv->data->clk_base[i];
-+
-+ clk_hw_unregister(&sclk->hw);
-+ }
-+
-+free_clk_data:
-+ kfree(clk_data);
-+
-+free_clk_priv:
-+ kfree(priv);
-+}
-+CLK_OF_DECLARE_DRIVER(rt2880_clk, "ralink,rt2880-sysc", mtmips_clk_init);
-+CLK_OF_DECLARE_DRIVER(rt3050_clk, "ralink,rt3050-sysc", mtmips_clk_init);
-+CLK_OF_DECLARE_DRIVER(rt3052_clk, "ralink,rt3052-sysc", mtmips_clk_init);
-+CLK_OF_DECLARE_DRIVER(rt3352_clk, "ralink,rt3352-sysc", mtmips_clk_init);
-+CLK_OF_DECLARE_DRIVER(rt3883_clk, "ralink,rt3883-sysc", mtmips_clk_init);
-+CLK_OF_DECLARE_DRIVER(rt5350_clk, "ralink,rt5350-sysc", mtmips_clk_init);
-+CLK_OF_DECLARE_DRIVER(mt7620_clk, "ralink,mt7620-sysc", mtmips_clk_init);
-+CLK_OF_DECLARE_DRIVER(mt7628_clk, "ralink,mt7628-sysc", mtmips_clk_init);
-+CLK_OF_DECLARE_DRIVER(mt7688_clk, "ralink,mt7688-sysc", mtmips_clk_init);
-+
-+struct mtmips_rst {
-+ struct reset_controller_dev rcdev;
-+ struct regmap *sysc;
-+};
-+
-+static struct mtmips_rst *to_mtmips_rst(struct reset_controller_dev *dev)
-+{
-+ return container_of(dev, struct mtmips_rst, rcdev);
-+}
-+
-+static int mtmips_assert_device(struct reset_controller_dev *rcdev,
-+ unsigned long id)
-+{
-+ struct mtmips_rst *data = to_mtmips_rst(rcdev);
-+ struct regmap *sysc = data->sysc;
-+
-+ return regmap_update_bits(sysc, SYSC_REG_RESET_CTRL, BIT(id), BIT(id));
-+}
-+
-+static int mtmips_deassert_device(struct reset_controller_dev *rcdev,
-+ unsigned long id)
-+{
-+ struct mtmips_rst *data = to_mtmips_rst(rcdev);
-+ struct regmap *sysc = data->sysc;
-+
-+ return regmap_update_bits(sysc, SYSC_REG_RESET_CTRL, BIT(id), 0);
-+}
-+
-+static int mtmips_reset_device(struct reset_controller_dev *rcdev,
-+ unsigned long id)
-+{
-+ int ret;
-+
-+ ret = mtmips_assert_device(rcdev, id);
-+ if (ret < 0)
-+ return ret;
-+
-+ return mtmips_deassert_device(rcdev, id);
-+}
-+
-+static int mtmips_rst_xlate(struct reset_controller_dev *rcdev,
-+ const struct of_phandle_args *reset_spec)
-+{
-+ unsigned long id = reset_spec->args[0];
-+
-+ if (id == 0 || id >= rcdev->nr_resets)
-+ return -EINVAL;
-+
-+ return id;
-+}
-+
-+static const struct reset_control_ops reset_ops = {
-+ .reset = mtmips_reset_device,
-+ .assert = mtmips_assert_device,
-+ .deassert = mtmips_deassert_device
-+};
-+
-+static int mtmips_reset_init(struct device *dev, struct regmap *sysc)
-+{
-+ struct mtmips_rst *rst_data;
-+
-+ rst_data = devm_kzalloc(dev, sizeof(*rst_data), GFP_KERNEL);
-+ if (!rst_data)
-+ return -ENOMEM;
-+
-+ rst_data->sysc = sysc;
-+ rst_data->rcdev.ops = &reset_ops;
-+ rst_data->rcdev.owner = THIS_MODULE;
-+ rst_data->rcdev.nr_resets = 32;
-+ rst_data->rcdev.of_reset_n_cells = 1;
-+ rst_data->rcdev.of_xlate = mtmips_rst_xlate;
-+ rst_data->rcdev.of_node = dev_of_node(dev);
-+
-+ return devm_reset_controller_register(dev, &rst_data->rcdev);
-+}
-+
-+static int mtmips_clk_probe(struct platform_device *pdev)
-+{
-+ struct device_node *np = pdev->dev.of_node;
-+ struct device *dev = &pdev->dev;
-+ struct mtmips_clk_priv *priv;
-+ int ret;
-+
-+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
-+ if (!priv)
-+ return -ENOMEM;
-+
-+ priv->sysc = syscon_node_to_regmap(np);
-+ if (IS_ERR(priv->sysc))
-+ return dev_err_probe(dev, PTR_ERR(priv->sysc),
-+ "Could not get sysc syscon regmap\n");
-+
-+ ret = mtmips_reset_init(dev, priv->sysc);
-+ if (ret)
-+ return dev_err_probe(dev, ret, "Could not init reset controller\n");
-+
-+ return 0;
-+}
-+
-+static const struct of_device_id mtmips_clk_of_match[] = {
-+ { .compatible = "ralink,rt2880-reset" },
-+ { .compatible = "ralink,rt2880-sysc" },
-+ { .compatible = "ralink,rt3050-sysc" },
-+ { .compatible = "ralink,rt3052-sysc" },
-+ { .compatible = "ralink,rt3352-sysc" },
-+ { .compatible = "ralink,rt3883-sysc" },
-+ { .compatible = "ralink,rt5350-sysc" },
-+ { .compatible = "ralink,mt7620-sysc" },
-+ { .compatible = "ralink,mt7628-sysc" },
-+ { .compatible = "ralink,mt7688-sysc" },
-+ {}
-+};
-+
-+static struct platform_driver mtmips_clk_driver = {
-+ .probe = mtmips_clk_probe,
-+ .driver = {
-+ .name = "mtmips-clk",
-+ .of_match_table = mtmips_clk_of_match,
-+ },
-+};
-+
-+static int __init mtmips_clk_reset_init(void)
-+{
-+ return platform_driver_register(&mtmips_clk_driver);
-+}
-+arch_initcall(mtmips_clk_reset_init);
+++ /dev/null
-From ffcdf47379eae86dc8f8f02c62994dacf2c9038e Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 19 Jun 2023 06:09:35 +0200
-Subject: [PATCH 3/9] mips: ralink: rt288x: remove clock related code
-
-A properly clock driver for ralink SoCs has been added. Hence there is no
-need to have clock related code in 'arch/mips/ralink' folder anymore.
-
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/include/asm/mach-ralink/rt288x.h | 10 ----------
- arch/mips/ralink/rt288x.c | 31 ------------------------------
- 2 files changed, 41 deletions(-)
-
---- a/arch/mips/include/asm/mach-ralink/rt288x.h
-+++ b/arch/mips/include/asm/mach-ralink/rt288x.h
-@@ -17,7 +17,6 @@
- #define SYSC_REG_CHIP_NAME1 0x04
- #define SYSC_REG_CHIP_ID 0x0c
- #define SYSC_REG_SYSTEM_CONFIG 0x10
--#define SYSC_REG_CLKCFG 0x30
-
- #define RT2880_CHIP_NAME0 0x38325452
- #define RT2880_CHIP_NAME1 0x20203038
-@@ -26,15 +25,6 @@
- #define CHIP_ID_ID_SHIFT 8
- #define CHIP_ID_REV_MASK 0xff
-
--#define SYSTEM_CONFIG_CPUCLK_SHIFT 20
--#define SYSTEM_CONFIG_CPUCLK_MASK 0x3
--#define SYSTEM_CONFIG_CPUCLK_250 0x0
--#define SYSTEM_CONFIG_CPUCLK_266 0x1
--#define SYSTEM_CONFIG_CPUCLK_280 0x2
--#define SYSTEM_CONFIG_CPUCLK_300 0x3
--
--#define CLKCFG_SRAM_CS_N_WDT BIT(9)
--
- #define RT2880_SDRAM_BASE 0x08000000
- #define RT2880_MEM_SIZE_MIN 2
- #define RT2880_MEM_SIZE_MAX 128
---- a/arch/mips/ralink/rt288x.c
-+++ b/arch/mips/ralink/rt288x.c
-@@ -17,37 +17,6 @@
-
- #include "common.h"
-
--void __init ralink_clk_init(void)
--{
-- unsigned long cpu_rate, wmac_rate = 40000000;
-- u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG);
-- t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK);
--
-- switch (t) {
-- case SYSTEM_CONFIG_CPUCLK_250:
-- cpu_rate = 250000000;
-- break;
-- case SYSTEM_CONFIG_CPUCLK_266:
-- cpu_rate = 266666667;
-- break;
-- case SYSTEM_CONFIG_CPUCLK_280:
-- cpu_rate = 280000000;
-- break;
-- case SYSTEM_CONFIG_CPUCLK_300:
-- cpu_rate = 300000000;
-- break;
-- }
--
-- ralink_clk_add("cpu", cpu_rate);
-- ralink_clk_add("300100.timer", cpu_rate / 2);
-- ralink_clk_add("300120.watchdog", cpu_rate / 2);
-- ralink_clk_add("300500.uart", cpu_rate / 2);
-- ralink_clk_add("300900.i2c", cpu_rate / 2);
-- ralink_clk_add("300c00.uartlite", cpu_rate / 2);
-- ralink_clk_add("400000.ethernet", cpu_rate / 2);
-- ralink_clk_add("480000.wmac", wmac_rate);
--}
--
- void __init ralink_of_remap(void)
- {
- rt_sysc_membase = plat_of_remap_node("ralink,rt2880-sysc");
+++ /dev/null
-From daf73c70f69386fb15960526772ef584a4efcaf2 Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 19 Jun 2023 06:09:36 +0200
-Subject: [PATCH 4/9] mips: ralink: rt305x: remove clock related code
-
-A properly clock driver for ralink SoCs has been added. Hence there is no
-need to have clock related code in 'arch/mips/ralink' folder anymore.
-
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/include/asm/mach-ralink/rt305x.h | 21 --------
- arch/mips/ralink/rt305x.c | 78 ------------------------------
- 2 files changed, 99 deletions(-)
-
---- a/arch/mips/include/asm/mach-ralink/rt305x.h
-+++ b/arch/mips/include/asm/mach-ralink/rt305x.h
-@@ -66,26 +66,9 @@ static inline int soc_is_rt5350(void)
- #define CHIP_ID_ID_SHIFT 8
- #define CHIP_ID_REV_MASK 0xff
-
--#define RT305X_SYSCFG_CPUCLK_SHIFT 18
--#define RT305X_SYSCFG_CPUCLK_MASK 0x1
--#define RT305X_SYSCFG_CPUCLK_LOW 0x0
--#define RT305X_SYSCFG_CPUCLK_HIGH 0x1
--
- #define RT305X_SYSCFG_SRAM_CS0_MODE_SHIFT 2
--#define RT305X_SYSCFG_CPUCLK_MASK 0x1
- #define RT305X_SYSCFG_SRAM_CS0_MODE_WDT 0x1
-
--#define RT3352_SYSCFG0_CPUCLK_SHIFT 8
--#define RT3352_SYSCFG0_CPUCLK_MASK 0x1
--#define RT3352_SYSCFG0_CPUCLK_LOW 0x0
--#define RT3352_SYSCFG0_CPUCLK_HIGH 0x1
--
--#define RT5350_SYSCFG0_CPUCLK_SHIFT 8
--#define RT5350_SYSCFG0_CPUCLK_MASK 0x3
--#define RT5350_SYSCFG0_CPUCLK_360 0x0
--#define RT5350_SYSCFG0_CPUCLK_320 0x2
--#define RT5350_SYSCFG0_CPUCLK_300 0x3
--
- #define RT5350_SYSCFG0_DRAM_SIZE_SHIFT 12
- #define RT5350_SYSCFG0_DRAM_SIZE_MASK 7
- #define RT5350_SYSCFG0_DRAM_SIZE_2M 0
-@@ -116,13 +99,9 @@ static inline int soc_is_rt5350(void)
-
- #define RT3352_SYSC_REG_SYSCFG0 0x010
- #define RT3352_SYSC_REG_SYSCFG1 0x014
--#define RT3352_SYSC_REG_CLKCFG1 0x030
- #define RT3352_SYSC_REG_RSTCTRL 0x034
- #define RT3352_SYSC_REG_USB_PS 0x05c
-
--#define RT3352_CLKCFG0_XTAL_SEL BIT(20)
--#define RT3352_CLKCFG1_UPHY0_CLK_EN BIT(18)
--#define RT3352_CLKCFG1_UPHY1_CLK_EN BIT(20)
- #define RT3352_RSTCTRL_UHST BIT(22)
- #define RT3352_RSTCTRL_UDEV BIT(25)
- #define RT3352_SYSCFG1_USB0_HOST_MODE BIT(10)
---- a/arch/mips/ralink/rt305x.c
-+++ b/arch/mips/ralink/rt305x.c
-@@ -53,84 +53,6 @@ static unsigned long rt5350_get_mem_size
- return ret;
- }
-
--void __init ralink_clk_init(void)
--{
-- unsigned long cpu_rate, sys_rate, wdt_rate, uart_rate;
-- unsigned long wmac_rate = 40000000;
--
-- u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG);
--
-- if (soc_is_rt305x() || soc_is_rt3350()) {
-- t = (t >> RT305X_SYSCFG_CPUCLK_SHIFT) &
-- RT305X_SYSCFG_CPUCLK_MASK;
-- switch (t) {
-- case RT305X_SYSCFG_CPUCLK_LOW:
-- cpu_rate = 320000000;
-- break;
-- case RT305X_SYSCFG_CPUCLK_HIGH:
-- cpu_rate = 384000000;
-- break;
-- }
-- sys_rate = uart_rate = wdt_rate = cpu_rate / 3;
-- } else if (soc_is_rt3352()) {
-- t = (t >> RT3352_SYSCFG0_CPUCLK_SHIFT) &
-- RT3352_SYSCFG0_CPUCLK_MASK;
-- switch (t) {
-- case RT3352_SYSCFG0_CPUCLK_LOW:
-- cpu_rate = 384000000;
-- break;
-- case RT3352_SYSCFG0_CPUCLK_HIGH:
-- cpu_rate = 400000000;
-- break;
-- }
-- sys_rate = wdt_rate = cpu_rate / 3;
-- uart_rate = 40000000;
-- } else if (soc_is_rt5350()) {
-- t = (t >> RT5350_SYSCFG0_CPUCLK_SHIFT) &
-- RT5350_SYSCFG0_CPUCLK_MASK;
-- switch (t) {
-- case RT5350_SYSCFG0_CPUCLK_360:
-- cpu_rate = 360000000;
-- sys_rate = cpu_rate / 3;
-- break;
-- case RT5350_SYSCFG0_CPUCLK_320:
-- cpu_rate = 320000000;
-- sys_rate = cpu_rate / 4;
-- break;
-- case RT5350_SYSCFG0_CPUCLK_300:
-- cpu_rate = 300000000;
-- sys_rate = cpu_rate / 3;
-- break;
-- default:
-- BUG();
-- }
-- uart_rate = 40000000;
-- wdt_rate = sys_rate;
-- } else {
-- BUG();
-- }
--
-- if (soc_is_rt3352() || soc_is_rt5350()) {
-- u32 val = rt_sysc_r32(RT3352_SYSC_REG_SYSCFG0);
--
-- if (!(val & RT3352_CLKCFG0_XTAL_SEL))
-- wmac_rate = 20000000;
-- }
--
-- ralink_clk_add("cpu", cpu_rate);
-- ralink_clk_add("sys", sys_rate);
-- ralink_clk_add("10000900.i2c", uart_rate);
-- ralink_clk_add("10000a00.i2s", uart_rate);
-- ralink_clk_add("10000b00.spi", sys_rate);
-- ralink_clk_add("10000b40.spi", sys_rate);
-- ralink_clk_add("10000100.timer", wdt_rate);
-- ralink_clk_add("10000120.watchdog", wdt_rate);
-- ralink_clk_add("10000500.uart", uart_rate);
-- ralink_clk_add("10000c00.uartlite", uart_rate);
-- ralink_clk_add("10100000.ethernet", sys_rate);
-- ralink_clk_add("10180000.wmac", wmac_rate);
--}
--
- void __init ralink_of_remap(void)
- {
- rt_sysc_membase = plat_of_remap_node("ralink,rt3050-sysc");
+++ /dev/null
-From 7cd1bb48885449a9323c7ff0f10012925e93b4e1 Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 19 Jun 2023 06:09:37 +0200
-Subject: [PATCH 5/9] mips: ralink: rt3883: remove clock related code
-
-A properly clock driver for ralink SoCs has been added. Hence there is no
-need to have clock related code in 'arch/mips/ralink' folder anymore.
-
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/include/asm/mach-ralink/rt3883.h | 8 ------
- arch/mips/ralink/rt3883.c | 44 ------------------------------
- 2 files changed, 52 deletions(-)
-
---- a/arch/mips/include/asm/mach-ralink/rt3883.h
-+++ b/arch/mips/include/asm/mach-ralink/rt3883.h
-@@ -90,14 +90,6 @@
- #define RT3883_REVID_VER_ID_SHIFT 8
- #define RT3883_REVID_ECO_ID_MASK 0x0f
-
--#define RT3883_SYSCFG0_DRAM_TYPE_DDR2 BIT(17)
--#define RT3883_SYSCFG0_CPUCLK_SHIFT 8
--#define RT3883_SYSCFG0_CPUCLK_MASK 0x3
--#define RT3883_SYSCFG0_CPUCLK_250 0x0
--#define RT3883_SYSCFG0_CPUCLK_384 0x1
--#define RT3883_SYSCFG0_CPUCLK_480 0x2
--#define RT3883_SYSCFG0_CPUCLK_500 0x3
--
- #define RT3883_SYSCFG1_USB0_HOST_MODE BIT(10)
- #define RT3883_SYSCFG1_PCIE_RC_MODE BIT(8)
- #define RT3883_SYSCFG1_PCI_HOST_MODE BIT(7)
---- a/arch/mips/ralink/rt3883.c
-+++ b/arch/mips/ralink/rt3883.c
-@@ -17,50 +17,6 @@
-
- #include "common.h"
-
--void __init ralink_clk_init(void)
--{
-- unsigned long cpu_rate, sys_rate;
-- u32 syscfg0;
-- u32 clksel;
-- u32 ddr2;
--
-- syscfg0 = rt_sysc_r32(RT3883_SYSC_REG_SYSCFG0);
-- clksel = ((syscfg0 >> RT3883_SYSCFG0_CPUCLK_SHIFT) &
-- RT3883_SYSCFG0_CPUCLK_MASK);
-- ddr2 = syscfg0 & RT3883_SYSCFG0_DRAM_TYPE_DDR2;
--
-- switch (clksel) {
-- case RT3883_SYSCFG0_CPUCLK_250:
-- cpu_rate = 250000000;
-- sys_rate = (ddr2) ? 125000000 : 83000000;
-- break;
-- case RT3883_SYSCFG0_CPUCLK_384:
-- cpu_rate = 384000000;
-- sys_rate = (ddr2) ? 128000000 : 96000000;
-- break;
-- case RT3883_SYSCFG0_CPUCLK_480:
-- cpu_rate = 480000000;
-- sys_rate = (ddr2) ? 160000000 : 120000000;
-- break;
-- case RT3883_SYSCFG0_CPUCLK_500:
-- cpu_rate = 500000000;
-- sys_rate = (ddr2) ? 166000000 : 125000000;
-- break;
-- }
--
-- ralink_clk_add("cpu", cpu_rate);
-- ralink_clk_add("10000100.timer", sys_rate);
-- ralink_clk_add("10000120.watchdog", sys_rate);
-- ralink_clk_add("10000500.uart", 40000000);
-- ralink_clk_add("10000900.i2c", 40000000);
-- ralink_clk_add("10000a00.i2s", 40000000);
-- ralink_clk_add("10000b00.spi", sys_rate);
-- ralink_clk_add("10000b40.spi", sys_rate);
-- ralink_clk_add("10000c00.uartlite", 40000000);
-- ralink_clk_add("10100000.ethernet", sys_rate);
-- ralink_clk_add("10180000.wmac", 40000000);
--}
--
- void __init ralink_of_remap(void)
- {
- rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc");
+++ /dev/null
-From 04b153abdfcbaba70ceef5a846067d4447fd0078 Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 19 Jun 2023 06:09:38 +0200
-Subject: [PATCH 6/9] mips: ralink: mt7620: remove clock related code
-
-A proper clock driver for ralink SoCs has been added. Hence there is no
-need to have clock related code in 'arch/mips/ralink' folder anymore.
-Since this is the last clock related code removal, remove also remaining
-prototypes in 'common.h' header file.
-
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/include/asm/mach-ralink/mt7620.h | 35 -----
- arch/mips/ralink/common.h | 3 -
- arch/mips/ralink/mt7620.c | 226 -----------------------------
- 3 files changed, 264 deletions(-)
-
---- a/arch/mips/include/asm/mach-ralink/mt7620.h
-+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
-@@ -19,52 +19,17 @@
- #define SYSC_REG_CHIP_REV 0x0c
- #define SYSC_REG_SYSTEM_CONFIG0 0x10
- #define SYSC_REG_SYSTEM_CONFIG1 0x14
--#define SYSC_REG_CLKCFG0 0x2c
--#define SYSC_REG_CPU_SYS_CLKCFG 0x3c
--#define SYSC_REG_CPLL_CONFIG0 0x54
--#define SYSC_REG_CPLL_CONFIG1 0x58
-
- #define MT7620_CHIP_NAME0 0x3637544d
- #define MT7620_CHIP_NAME1 0x20203032
- #define MT7628_CHIP_NAME1 0x20203832
-
--#define SYSCFG0_XTAL_FREQ_SEL BIT(6)
--
- #define CHIP_REV_PKG_MASK 0x1
- #define CHIP_REV_PKG_SHIFT 16
- #define CHIP_REV_VER_MASK 0xf
- #define CHIP_REV_VER_SHIFT 8
- #define CHIP_REV_ECO_MASK 0xf
-
--#define CLKCFG0_PERI_CLK_SEL BIT(4)
--
--#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT 16
--#define CPU_SYS_CLKCFG_OCP_RATIO_MASK 0xf
--#define CPU_SYS_CLKCFG_OCP_RATIO_1 0 /* 1:1 (Reserved) */
--#define CPU_SYS_CLKCFG_OCP_RATIO_1_5 1 /* 1:1.5 (Reserved) */
--#define CPU_SYS_CLKCFG_OCP_RATIO_2 2 /* 1:2 */
--#define CPU_SYS_CLKCFG_OCP_RATIO_2_5 3 /* 1:2.5 (Reserved) */
--#define CPU_SYS_CLKCFG_OCP_RATIO_3 4 /* 1:3 */
--#define CPU_SYS_CLKCFG_OCP_RATIO_3_5 5 /* 1:3.5 (Reserved) */
--#define CPU_SYS_CLKCFG_OCP_RATIO_4 6 /* 1:4 */
--#define CPU_SYS_CLKCFG_OCP_RATIO_5 7 /* 1:5 */
--#define CPU_SYS_CLKCFG_OCP_RATIO_10 8 /* 1:10 */
--#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT 8
--#define CPU_SYS_CLKCFG_CPU_FDIV_MASK 0x1f
--#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT 0
--#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK 0x1f
--
--#define CPLL_CFG0_SW_CFG BIT(31)
--#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT 16
--#define CPLL_CFG0_PLL_MULT_RATIO_MASK 0x7
--#define CPLL_CFG0_LC_CURFCK BIT(15)
--#define CPLL_CFG0_BYPASS_REF_CLK BIT(14)
--#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT 10
--#define CPLL_CFG0_PLL_DIV_RATIO_MASK 0x3
--
--#define CPLL_CFG1_CPU_AUX1 BIT(25)
--#define CPLL_CFG1_CPU_AUX0 BIT(24)
--
- #define SYSCFG0_DRAM_TYPE_MASK 0x3
- #define SYSCFG0_DRAM_TYPE_SHIFT 4
- #define SYSCFG0_DRAM_TYPE_SDRAM 0
---- a/arch/mips/ralink/common.h
-+++ b/arch/mips/ralink/common.h
-@@ -23,9 +23,6 @@ extern struct ralink_soc_info soc_info;
-
- extern void ralink_of_remap(void);
-
--extern void ralink_clk_init(void);
--extern void ralink_clk_add(const char *dev, unsigned long rate);
--
- extern void ralink_rst_init(void);
-
- extern void __init prom_soc_init(struct ralink_soc_info *soc_info);
---- a/arch/mips/ralink/mt7620.c
-+++ b/arch/mips/ralink/mt7620.c
-@@ -34,12 +34,6 @@
- #define PMU1_CFG 0x8C
- #define DIG_SW_SEL BIT(25)
-
--/* clock scaling */
--#define CLKCFG_FDIV_MASK 0x1f00
--#define CLKCFG_FDIV_USB_VAL 0x0300
--#define CLKCFG_FFRAC_MASK 0x001f
--#define CLKCFG_FFRAC_USB_VAL 0x0003
--
- /* EFUSE bits */
- #define EFUSE_MT7688 0x100000
-
-@@ -49,226 +43,6 @@
- /* does the board have sdram or ddram */
- static int dram_type;
-
--static __init u32
--mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div)
--{
-- u64 t;
--
-- t = ref_rate;
-- t *= mul;
-- do_div(t, div);
--
-- return t;
--}
--
--#define MHZ(x) ((x) * 1000 * 1000)
--
--static __init unsigned long
--mt7620_get_xtal_rate(void)
--{
-- u32 reg;
--
-- reg = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG0);
-- if (reg & SYSCFG0_XTAL_FREQ_SEL)
-- return MHZ(40);
--
-- return MHZ(20);
--}
--
--static __init unsigned long
--mt7620_get_periph_rate(unsigned long xtal_rate)
--{
-- u32 reg;
--
-- reg = rt_sysc_r32(SYSC_REG_CLKCFG0);
-- if (reg & CLKCFG0_PERI_CLK_SEL)
-- return xtal_rate;
--
-- return MHZ(40);
--}
--
--static const u32 mt7620_clk_divider[] __initconst = { 2, 3, 4, 8 };
--
--static __init unsigned long
--mt7620_get_cpu_pll_rate(unsigned long xtal_rate)
--{
-- u32 reg;
-- u32 mul;
-- u32 div;
--
-- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG0);
-- if (reg & CPLL_CFG0_BYPASS_REF_CLK)
-- return xtal_rate;
--
-- if ((reg & CPLL_CFG0_SW_CFG) == 0)
-- return MHZ(600);
--
-- mul = (reg >> CPLL_CFG0_PLL_MULT_RATIO_SHIFT) &
-- CPLL_CFG0_PLL_MULT_RATIO_MASK;
-- mul += 24;
-- if (reg & CPLL_CFG0_LC_CURFCK)
-- mul *= 2;
--
-- div = (reg >> CPLL_CFG0_PLL_DIV_RATIO_SHIFT) &
-- CPLL_CFG0_PLL_DIV_RATIO_MASK;
--
-- WARN_ON(div >= ARRAY_SIZE(mt7620_clk_divider));
--
-- return mt7620_calc_rate(xtal_rate, mul, mt7620_clk_divider[div]);
--}
--
--static __init unsigned long
--mt7620_get_pll_rate(unsigned long xtal_rate, unsigned long cpu_pll_rate)
--{
-- u32 reg;
--
-- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG1);
-- if (reg & CPLL_CFG1_CPU_AUX1)
-- return xtal_rate;
--
-- if (reg & CPLL_CFG1_CPU_AUX0)
-- return MHZ(480);
--
-- return cpu_pll_rate;
--}
--
--static __init unsigned long
--mt7620_get_cpu_rate(unsigned long pll_rate)
--{
-- u32 reg;
-- u32 mul;
-- u32 div;
--
-- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG);
--
-- mul = reg & CPU_SYS_CLKCFG_CPU_FFRAC_MASK;
-- div = (reg >> CPU_SYS_CLKCFG_CPU_FDIV_SHIFT) &
-- CPU_SYS_CLKCFG_CPU_FDIV_MASK;
--
-- return mt7620_calc_rate(pll_rate, mul, div);
--}
--
--static const u32 mt7620_ocp_dividers[16] __initconst = {
-- [CPU_SYS_CLKCFG_OCP_RATIO_2] = 2,
-- [CPU_SYS_CLKCFG_OCP_RATIO_3] = 3,
-- [CPU_SYS_CLKCFG_OCP_RATIO_4] = 4,
-- [CPU_SYS_CLKCFG_OCP_RATIO_5] = 5,
-- [CPU_SYS_CLKCFG_OCP_RATIO_10] = 10,
--};
--
--static __init unsigned long
--mt7620_get_dram_rate(unsigned long pll_rate)
--{
-- if (dram_type == SYSCFG0_DRAM_TYPE_SDRAM)
-- return pll_rate / 4;
--
-- return pll_rate / 3;
--}
--
--static __init unsigned long
--mt7620_get_sys_rate(unsigned long cpu_rate)
--{
-- u32 reg;
-- u32 ocp_ratio;
-- u32 div;
--
-- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG);
--
-- ocp_ratio = (reg >> CPU_SYS_CLKCFG_OCP_RATIO_SHIFT) &
-- CPU_SYS_CLKCFG_OCP_RATIO_MASK;
--
-- if (WARN_ON(ocp_ratio >= ARRAY_SIZE(mt7620_ocp_dividers)))
-- return cpu_rate;
--
-- div = mt7620_ocp_dividers[ocp_ratio];
-- if (WARN(!div, "invalid divider for OCP ratio %u", ocp_ratio))
-- return cpu_rate;
--
-- return cpu_rate / div;
--}
--
--void __init ralink_clk_init(void)
--{
-- unsigned long xtal_rate;
-- unsigned long cpu_pll_rate;
-- unsigned long pll_rate;
-- unsigned long cpu_rate;
-- unsigned long sys_rate;
-- unsigned long dram_rate;
-- unsigned long periph_rate;
-- unsigned long pcmi2s_rate;
--
-- xtal_rate = mt7620_get_xtal_rate();
--
--#define RFMT(label) label ":%lu.%03luMHz "
--#define RINT(x) ((x) / 1000000)
--#define RFRAC(x) (((x) / 1000) % 1000)
--
-- if (is_mt76x8()) {
-- if (xtal_rate == MHZ(40))
-- cpu_rate = MHZ(580);
-- else
-- cpu_rate = MHZ(575);
-- dram_rate = sys_rate = cpu_rate / 3;
-- periph_rate = MHZ(40);
-- pcmi2s_rate = MHZ(480);
--
-- ralink_clk_add("10000d00.uartlite", periph_rate);
-- ralink_clk_add("10000e00.uartlite", periph_rate);
-- } else {
-- cpu_pll_rate = mt7620_get_cpu_pll_rate(xtal_rate);
-- pll_rate = mt7620_get_pll_rate(xtal_rate, cpu_pll_rate);
--
-- cpu_rate = mt7620_get_cpu_rate(pll_rate);
-- dram_rate = mt7620_get_dram_rate(pll_rate);
-- sys_rate = mt7620_get_sys_rate(cpu_rate);
-- periph_rate = mt7620_get_periph_rate(xtal_rate);
-- pcmi2s_rate = periph_rate;
--
-- pr_debug(RFMT("XTAL") RFMT("CPU_PLL") RFMT("PLL"),
-- RINT(xtal_rate), RFRAC(xtal_rate),
-- RINT(cpu_pll_rate), RFRAC(cpu_pll_rate),
-- RINT(pll_rate), RFRAC(pll_rate));
--
-- ralink_clk_add("10000500.uart", periph_rate);
-- }
--
-- pr_debug(RFMT("CPU") RFMT("DRAM") RFMT("SYS") RFMT("PERIPH"),
-- RINT(cpu_rate), RFRAC(cpu_rate),
-- RINT(dram_rate), RFRAC(dram_rate),
-- RINT(sys_rate), RFRAC(sys_rate),
-- RINT(periph_rate), RFRAC(periph_rate));
--#undef RFRAC
--#undef RINT
--#undef RFMT
--
-- ralink_clk_add("cpu", cpu_rate);
-- ralink_clk_add("10000100.timer", periph_rate);
-- ralink_clk_add("10000120.watchdog", periph_rate);
-- ralink_clk_add("10000900.i2c", periph_rate);
-- ralink_clk_add("10000a00.i2s", pcmi2s_rate);
-- ralink_clk_add("10000b00.spi", sys_rate);
-- ralink_clk_add("10000b40.spi", sys_rate);
-- ralink_clk_add("10000c00.uartlite", periph_rate);
-- ralink_clk_add("10000d00.uart1", periph_rate);
-- ralink_clk_add("10000e00.uart2", periph_rate);
-- ralink_clk_add("10180000.wmac", xtal_rate);
--
-- if (IS_ENABLED(CONFIG_USB) && !is_mt76x8()) {
-- /*
-- * When the CPU goes into sleep mode, the BUS clock will be
-- * too low for USB to function properly. Adjust the busses
-- * fractional divider to fix this
-- */
-- u32 val = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG);
--
-- val &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK);
-- val |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL;
--
-- rt_sysc_w32(val, SYSC_REG_CPU_SYS_CLKCFG);
-- }
--}
--
- void __init ralink_of_remap(void)
- {
- rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc");
+++ /dev/null
-From 201ddc05777cd8e084b508bcdda22214bfe2895e Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 19 Jun 2023 06:09:39 +0200
-Subject: [PATCH 7/9] mips: ralink: remove reset related code
-
-A proper clock driver for ralink SoCs has been added. This driver is also
-a reset provider for the SoC. Hence there is no need to have reset related
-code in 'arch/mips/ralink' folder anymore. The only code that remains is
-the one related with mips_reboot_setup where a PCI reset is performed.
-We maintain this because I cannot test old ralink board with PCI to be
-sure all works if we remove also this code.
-
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/ralink/common.h | 2 --
- arch/mips/ralink/of.c | 4 ----
- arch/mips/ralink/reset.c | 61 -----------------------------------------------
- 3 files changed, 67 deletions(-)
-
---- a/arch/mips/ralink/common.h
-+++ b/arch/mips/ralink/common.h
-@@ -23,8 +23,6 @@ extern struct ralink_soc_info soc_info;
-
- extern void ralink_of_remap(void);
-
--extern void ralink_rst_init(void);
--
- extern void __init prom_soc_init(struct ralink_soc_info *soc_info);
-
- __iomem void *plat_of_remap_node(const char *node);
---- a/arch/mips/ralink/of.c
-+++ b/arch/mips/ralink/of.c
-@@ -81,10 +81,6 @@ static int __init plat_of_setup(void)
- {
- __dt_register_buses(soc_info.compatible, "palmbus");
-
-- /* make sure that the reset controller is setup early */
-- if (ralink_soc != MT762X_SOC_MT7621AT)
-- ralink_rst_init();
--
- return 0;
- }
-
---- a/arch/mips/ralink/reset.c
-+++ b/arch/mips/ralink/reset.c
-@@ -10,7 +10,6 @@
- #include <linux/io.h>
- #include <linux/of.h>
- #include <linux/delay.h>
--#include <linux/reset-controller.h>
-
- #include <asm/reboot.h>
-
-@@ -22,66 +21,6 @@
- #define RSTCTL_RESET_PCI BIT(26)
- #define RSTCTL_RESET_SYSTEM BIT(0)
-
--static int ralink_assert_device(struct reset_controller_dev *rcdev,
-- unsigned long id)
--{
-- u32 val;
--
-- if (id == 0)
-- return -1;
--
-- val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
-- val |= BIT(id);
-- rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
--
-- return 0;
--}
--
--static int ralink_deassert_device(struct reset_controller_dev *rcdev,
-- unsigned long id)
--{
-- u32 val;
--
-- if (id == 0)
-- return -1;
--
-- val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
-- val &= ~BIT(id);
-- rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
--
-- return 0;
--}
--
--static int ralink_reset_device(struct reset_controller_dev *rcdev,
-- unsigned long id)
--{
-- ralink_assert_device(rcdev, id);
-- return ralink_deassert_device(rcdev, id);
--}
--
--static const struct reset_control_ops reset_ops = {
-- .reset = ralink_reset_device,
-- .assert = ralink_assert_device,
-- .deassert = ralink_deassert_device,
--};
--
--static struct reset_controller_dev reset_dev = {
-- .ops = &reset_ops,
-- .owner = THIS_MODULE,
-- .nr_resets = 32,
-- .of_reset_n_cells = 1,
--};
--
--void ralink_rst_init(void)
--{
-- reset_dev.of_node = of_find_compatible_node(NULL, NULL,
-- "ralink,rt2880-reset");
-- if (!reset_dev.of_node)
-- pr_err("Failed to find reset controller node");
-- else
-- reset_controller_register(&reset_dev);
--}
--
- static void ralink_restart(char *command)
- {
- if (IS_ENABLED(CONFIG_PCI)) {
+++ /dev/null
-From ad38c17b0c26ae2108b50ac1eb0281a2e1ce08e9 Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 19 Jun 2023 06:09:40 +0200
-Subject: [PATCH 8/9] mips: ralink: get cpu rate from new driver code
-
-At very early stage on boot, there is a need to set 'mips_hpt_frequency'.
-This timer frequency is a half of the CPU frequency. To get clocks properly
-set we need to call to 'of_clk_init()' and properly get cpu clock frequency
-afterwards. Depending on the SoC, CPU clock index and compatible differs, so
-use them to get the proper clock frm the clock provider. Hence, adapt code
-to be aligned with new clock driver.
-
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/ralink/clk.c | 61 ++++++++++++++++++++++++++++++++++++++++++--------
- 1 file changed, 52 insertions(+), 9 deletions(-)
-
---- a/arch/mips/ralink/clk.c
-+++ b/arch/mips/ralink/clk.c
-@@ -11,29 +11,72 @@
- #include <linux/clkdev.h>
- #include <linux/clk.h>
- #include <linux/clk-provider.h>
-+#include <asm/mach-ralink/ralink_regs.h>
-
- #include <asm/time.h>
-
- #include "common.h"
-
--void ralink_clk_add(const char *dev, unsigned long rate)
-+static const char *clk_cpu(int *idx)
- {
-- struct clk *clk = clk_register_fixed_rate(NULL, dev, NULL, 0, rate);
--
-- if (!clk)
-- panic("failed to add clock");
--
-- clkdev_create(clk, NULL, "%s", dev);
-+ switch (ralink_soc) {
-+ case RT2880_SOC:
-+ *idx = 0;
-+ return "ralink,rt2880-sysc";
-+ case RT3883_SOC:
-+ *idx = 0;
-+ return "ralink,rt3883-sysc";
-+ case RT305X_SOC_RT3050:
-+ *idx = 0;
-+ return "ralink,rt3050-sysc";
-+ case RT305X_SOC_RT3052:
-+ *idx = 0;
-+ return "ralink,rt3052-sysc";
-+ case RT305X_SOC_RT3350:
-+ *idx = 1;
-+ return "ralink,rt3350-sysc";
-+ case RT305X_SOC_RT3352:
-+ *idx = 1;
-+ return "ralink,rt3352-sysc";
-+ case RT305X_SOC_RT5350:
-+ *idx = 1;
-+ return "ralink,rt5350-sysc";
-+ case MT762X_SOC_MT7620A:
-+ *idx = 2;
-+ return "ralink,mt7620-sysc";
-+ case MT762X_SOC_MT7620N:
-+ *idx = 2;
-+ return "ralink,mt7620-sysc";
-+ case MT762X_SOC_MT7628AN:
-+ *idx = 1;
-+ return "ralink,mt7628-sysc";
-+ case MT762X_SOC_MT7688:
-+ *idx = 1;
-+ return "ralink,mt7688-sysc";
-+ default:
-+ *idx = -1;
-+ return "invalid";
-+ }
- }
-
- void __init plat_time_init(void)
- {
-+ struct of_phandle_args clkspec;
-+ const char *compatible;
- struct clk *clk;
-+ int cpu_clk_idx;
-
- ralink_of_remap();
-
-- ralink_clk_init();
-- clk = clk_get_sys("cpu", NULL);
-+ compatible = clk_cpu(&cpu_clk_idx);
-+ if (cpu_clk_idx == -1)
-+ panic("unable to get CPU clock index");
-+
-+ of_clk_init(NULL);
-+ clkspec.np = of_find_compatible_node(NULL, NULL, compatible);
-+ clkspec.args_count = 1;
-+ clkspec.args[0] = cpu_clk_idx;
-+ clk = of_clk_get_from_provider(&clkspec);
- if (IS_ERR(clk))
- panic("unable to get CPU clock, err=%ld", PTR_ERR(clk));
- pr_info("CPU Clock: %ldMHz\n", clk_get_rate(clk) / 1000000);
+++ /dev/null
-From fc15a7193a4d37d79e873fa06cc423180ddd2ddf Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Mon, 19 Jun 2023 06:09:41 +0200
-Subject: [PATCH 9/9] MAINTAINERS: add Mediatek MTMIPS Clock maintainer
-
-Adding myself as maintainer for Mediatek MTMIPS clock driver.
-
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- MAINTAINERS | 6 ++++++
- 1 file changed, 6 insertions(+)
-
---- a/MAINTAINERS
-+++ b/MAINTAINERS
-@@ -13021,6 +13021,12 @@ S: Maintained
- F: Documentation/devicetree/bindings/clock/mediatek,mt7621-sysc.yaml
- F: drivers/clk/ralink/clk-mt7621.c
-
-+MEDIATEK MTMIPS CLOCK DRIVER
-+M: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-+S: Maintained
-+F: Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml
-+F: drivers/clk/ralink/clk-mtmips.c
-+
- MEDIATEK MT7621/28/88 I2C DRIVER
- M: Stefan Roese <sr@denx.de>
- L: linux-i2c@vger.kernel.org
+++ /dev/null
-From fd99ac5055d4705e91c73d1adba18bc71c8511a8 Mon Sep 17 00:00:00 2001
-From: Shiji Yang <yangshiji66@outlook.com>
-Date: Tue, 20 Jun 2023 19:44:32 +0800
-Subject: [PATCH] mips: ralink: introduce commonly used remap node function
-
-The ralink_of_remap() function is repeated several times on SoC specific
-source files. They have the same structure, but just differ in compatible
-strings. In order to make commonly use of these codes, this patch
-introduces a newly designed mtmips_of_remap_node() function to match and
-remap all supported system controller and memory controller nodes.
-
-Build and run tested on MT7620 and MT7628.
-
-Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
-Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/ralink/common.h | 2 --
- arch/mips/ralink/mt7620.c | 9 ---------
- arch/mips/ralink/mt7621.c | 9 ---------
- arch/mips/ralink/of.c | 42 +++++++++++++++++++++++++++++++++++-------
- arch/mips/ralink/rt288x.c | 9 ---------
- arch/mips/ralink/rt305x.c | 9 ---------
- arch/mips/ralink/rt3883.c | 9 ---------
- 7 files changed, 35 insertions(+), 54 deletions(-)
-
---- a/arch/mips/ralink/common.h
-+++ b/arch/mips/ralink/common.h
-@@ -25,6 +25,4 @@ extern void ralink_of_remap(void);
-
- extern void __init prom_soc_init(struct ralink_soc_info *soc_info);
-
--__iomem void *plat_of_remap_node(const char *node);
--
- #endif /* _RALINK_COMMON_H__ */
---- a/arch/mips/ralink/mt7620.c
-+++ b/arch/mips/ralink/mt7620.c
-@@ -43,15 +43,6 @@
- /* does the board have sdram or ddram */
- static int dram_type;
-
--void __init ralink_of_remap(void)
--{
-- rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc");
-- rt_memc_membase = plat_of_remap_node("ralink,mt7620a-memc");
--
-- if (!rt_sysc_membase || !rt_memc_membase)
-- panic("Failed to remap core resources");
--}
--
- static __init void
- mt7620_dram_init(struct ralink_soc_info *soc_info)
- {
---- a/arch/mips/ralink/mt7621.c
-+++ b/arch/mips/ralink/mt7621.c
-@@ -89,15 +89,6 @@ static void __init mt7621_memory_detect(
- memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE);
- }
-
--void __init ralink_of_remap(void)
--{
-- rt_sysc_membase = plat_of_remap_node("mediatek,mt7621-sysc");
-- rt_memc_membase = plat_of_remap_node("mediatek,mt7621-memc");
--
-- if (!rt_sysc_membase || !rt_memc_membase)
-- panic("Failed to remap core resources");
--}
--
- static unsigned int __init mt7621_get_soc_name0(void)
- {
- return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_NAME0);
---- a/arch/mips/ralink/of.c
-+++ b/arch/mips/ralink/of.c
-@@ -29,28 +29,56 @@ __iomem void *rt_sysc_membase;
- __iomem void *rt_memc_membase;
- EXPORT_SYMBOL_GPL(rt_sysc_membase);
-
--__iomem void *plat_of_remap_node(const char *node)
-+static const struct of_device_id mtmips_memc_match[] = {
-+ { .compatible = "mediatek,mt7621-memc" },
-+ { .compatible = "ralink,mt7620a-memc" },
-+ { .compatible = "ralink,rt2880-memc" },
-+ { .compatible = "ralink,rt3050-memc" },
-+ { .compatible = "ralink,rt3883-memc" },
-+ {}
-+};
-+
-+static const struct of_device_id mtmips_sysc_match[] = {
-+ { .compatible = "mediatek,mt7621-sysc" },
-+ { .compatible = "ralink,mt7620a-sysc" },
-+ { .compatible = "ralink,rt2880-sysc" },
-+ { .compatible = "ralink,rt3050-sysc" },
-+ { .compatible = "ralink,rt3883-sysc" },
-+ {}
-+};
-+
-+static __iomem void *
-+mtmips_of_remap_node(const struct of_device_id *match, const char *type)
- {
- struct resource res;
- struct device_node *np;
-
-- np = of_find_compatible_node(NULL, NULL, node);
-+ np = of_find_matching_node(NULL, match);
- if (!np)
-- panic("Failed to find %s node", node);
-+ panic("Failed to find %s controller node", type);
-
- if (of_address_to_resource(np, 0, &res))
-- panic("Failed to get resource for %s", node);
--
-- of_node_put(np);
-+ panic("Failed to get resource for %s node", np->name);
-
- if (!request_mem_region(res.start,
- resource_size(&res),
- res.name))
-- panic("Failed to request resources for %s", node);
-+ panic("Failed to request resources for %s node", np->name);
-+
-+ of_node_put(np);
-
- return ioremap(res.start, resource_size(&res));
- }
-
-+void __init ralink_of_remap(void)
-+{
-+ rt_sysc_membase = mtmips_of_remap_node(mtmips_sysc_match, "system");
-+ rt_memc_membase = mtmips_of_remap_node(mtmips_memc_match, "memory");
-+
-+ if (!rt_sysc_membase || !rt_memc_membase)
-+ panic("Failed to remap core resources");
-+}
-+
- void __init plat_mem_setup(void)
- {
- void *dtb;
---- a/arch/mips/ralink/rt288x.c
-+++ b/arch/mips/ralink/rt288x.c
-@@ -17,15 +17,6 @@
-
- #include "common.h"
-
--void __init ralink_of_remap(void)
--{
-- rt_sysc_membase = plat_of_remap_node("ralink,rt2880-sysc");
-- rt_memc_membase = plat_of_remap_node("ralink,rt2880-memc");
--
-- if (!rt_sysc_membase || !rt_memc_membase)
-- panic("Failed to remap core resources");
--}
--
- void __init prom_soc_init(struct ralink_soc_info *soc_info)
- {
- void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT2880_SYSC_BASE);
---- a/arch/mips/ralink/rt305x.c
-+++ b/arch/mips/ralink/rt305x.c
-@@ -53,15 +53,6 @@ static unsigned long rt5350_get_mem_size
- return ret;
- }
-
--void __init ralink_of_remap(void)
--{
-- rt_sysc_membase = plat_of_remap_node("ralink,rt3050-sysc");
-- rt_memc_membase = plat_of_remap_node("ralink,rt3050-memc");
--
-- if (!rt_sysc_membase || !rt_memc_membase)
-- panic("Failed to remap core resources");
--}
--
- void __init prom_soc_init(struct ralink_soc_info *soc_info)
- {
- void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE);
---- a/arch/mips/ralink/rt3883.c
-+++ b/arch/mips/ralink/rt3883.c
-@@ -17,15 +17,6 @@
-
- #include "common.h"
-
--void __init ralink_of_remap(void)
--{
-- rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc");
-- rt_memc_membase = plat_of_remap_node("ralink,rt3883-memc");
--
-- if (!rt_sysc_membase || !rt_memc_membase)
-- panic("Failed to remap core resources");
--}
--
- void __init prom_soc_init(struct ralink_soc_info *soc_info)
- {
- void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT3883_SYSC_BASE);
+++ /dev/null
-From 6e68dae946e3a0333fbde5487ce163142ca10ae0 Mon Sep 17 00:00:00 2001
-From: Nathan Chancellor <nathan@kernel.org>
-Date: Thu, 22 Jun 2023 15:56:19 +0000
-Subject: clk: ralink: mtmips: Fix uninitialized use of ret in
- mtmips_register_{fixed,factor}_clocks()
-
-Clang warns:
-
- drivers/clk/ralink/clk-mtmips.c:309:9: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized]
- 309 | return ret;
- | ^~~
- drivers/clk/ralink/clk-mtmips.c:285:9: note: initialize the variable 'ret' to silence this warning
- 285 | int ret, i;
- | ^
- | = 0
- drivers/clk/ralink/clk-mtmips.c:359:9: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized]
- 359 | return ret;
- | ^~~
- drivers/clk/ralink/clk-mtmips.c:335:9: note: initialize the variable 'ret' to silence this warning
- 335 | int ret, i;
- | ^
- | = 0
- 2 errors generated.
-
-Set ret to the return value of clk_hw_register_fixed_rate() using the
-PTR_ERR() macro, which ensures ret is not used uninitialized, clearing
-up the warning.
-
-Fixes: 6f3b15586eef ("clk: ralink: add clock and reset driver for MTMIPS SoCs")
-Closes: https://github.com/ClangBuiltLinux/linux/issues/1879
-Signed-off-by: Nathan Chancellor <nathan@kernel.org>
-Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
-Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- drivers/clk/ralink/clk-mtmips.c | 2 ++
- 1 file changed, 2 insertions(+)
-
---- a/drivers/clk/ralink/clk-mtmips.c
-+++ b/drivers/clk/ralink/clk-mtmips.c
-@@ -292,6 +292,7 @@ static int mtmips_register_fixed_clocks(
- sclk->parent, 0,
- sclk->rate);
- if (IS_ERR(sclk->hw)) {
-+ ret = PTR_ERR(sclk->hw);
- pr_err("Couldn't register fixed clock %d\n", idx);
- goto err_clk_unreg;
- }
-@@ -342,6 +343,7 @@ static int mtmips_register_factor_clocks
- sclk->parent, sclk->flags,
- sclk->mult, sclk->div);
- if (IS_ERR(sclk->hw)) {
-+ ret = PTR_ERR(sclk->hw);
- pr_err("Couldn't register factor clock %d\n", idx);
- goto err_clk_unreg;
- }
+++ /dev/null
-From 670f77f76f650b1b341d31d009cc2fb03a4d1fcf Mon Sep 17 00:00:00 2001
-From: Shiji Yang <yangshiji66@outlook.com>
-Date: Fri, 23 Jun 2023 08:17:48 +0800
-Subject: mips: ralink: match all supported system controller compatible
- strings
-
-Recently, A new clock and reset controller driver has been introduced to
-the ralink mips target[1]. It provides proper system control and adds more
-SoC specific compatible strings. In order to better initialize CPUs, this
-patch removes the outdated "ralink,mt7620a-sysc" and add all dt-binding
-documented compatible strings to the system controller match table.
-
-[1] https://lore.kernel.org/all/20230619040941.1340372-1-sergio.paracuellos@gmail.com/
-
-Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
-Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/ralink/of.c | 7 ++++++-
- 1 file changed, 6 insertions(+), 1 deletion(-)
-
---- a/arch/mips/ralink/of.c
-+++ b/arch/mips/ralink/of.c
-@@ -40,10 +40,15 @@ static const struct of_device_id mtmips_
-
- static const struct of_device_id mtmips_sysc_match[] = {
- { .compatible = "mediatek,mt7621-sysc" },
-- { .compatible = "ralink,mt7620a-sysc" },
-+ { .compatible = "ralink,mt7620-sysc" },
-+ { .compatible = "ralink,mt7628-sysc" },
-+ { .compatible = "ralink,mt7688-sysc" },
- { .compatible = "ralink,rt2880-sysc" },
- { .compatible = "ralink,rt3050-sysc" },
-+ { .compatible = "ralink,rt3052-sysc" },
-+ { .compatible = "ralink,rt3352-sysc" },
- { .compatible = "ralink,rt3883-sysc" },
-+ { .compatible = "ralink,rt5350-sysc" },
- {}
- };
-
+++ /dev/null
-From 783c7cb4659b53b5e1b809dac5e8cdf250145919 Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Tue, 14 Feb 2023 11:39:35 +0100
-Subject: [PATCH 1/2] watchdog: mt7621-wdt: avoid static global declarations
-
-Instead of using static global definitions in driver code, refactor code
-introducing a new watchdog driver data structure and use it along the
-code.
-
-Reviewed-by: Guenter Roeck <linux@roeck-us.net>
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Link: https://lore.kernel.org/r/20230214103936.1061078-5-sergio.paracuellos@gmail.com
-[groeck: unsigned -> unsigned int]
-Signed-off-by: Guenter Roeck <linux@roeck-us.net>
-Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
----
- drivers/watchdog/mt7621_wdt.c | 102 +++++++++++++++++++++++++++---------------
- 1 file changed, 65 insertions(+), 37 deletions(-)
-
---- a/drivers/watchdog/mt7621_wdt.c
-+++ b/drivers/watchdog/mt7621_wdt.c
-@@ -31,8 +31,11 @@
- #define TMR1CTL_RESTART BIT(9)
- #define TMR1CTL_PRESCALE_SHIFT 16
-
--static void __iomem *mt7621_wdt_base;
--static struct reset_control *mt7621_wdt_reset;
-+struct mt7621_wdt_data {
-+ void __iomem *base;
-+ struct reset_control *rst;
-+ struct watchdog_device wdt;
-+};
-
- static bool nowayout = WATCHDOG_NOWAYOUT;
- module_param(nowayout, bool, 0);
-@@ -40,27 +43,31 @@ MODULE_PARM_DESC(nowayout,
- "Watchdog cannot be stopped once started (default="
- __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-
--static inline void rt_wdt_w32(unsigned reg, u32 val)
-+static inline void rt_wdt_w32(void __iomem *base, unsigned int reg, u32 val)
- {
-- iowrite32(val, mt7621_wdt_base + reg);
-+ iowrite32(val, base + reg);
- }
-
--static inline u32 rt_wdt_r32(unsigned reg)
-+static inline u32 rt_wdt_r32(void __iomem *base, unsigned int reg)
- {
-- return ioread32(mt7621_wdt_base + reg);
-+ return ioread32(base + reg);
- }
-
- static int mt7621_wdt_ping(struct watchdog_device *w)
- {
-- rt_wdt_w32(TIMER_REG_TMRSTAT, TMR1CTL_RESTART);
-+ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
-+
-+ rt_wdt_w32(drvdata->base, TIMER_REG_TMRSTAT, TMR1CTL_RESTART);
-
- return 0;
- }
-
- static int mt7621_wdt_set_timeout(struct watchdog_device *w, unsigned int t)
- {
-+ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
-+
- w->timeout = t;
-- rt_wdt_w32(TIMER_REG_TMR1LOAD, t * 1000);
-+ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1LOAD, t * 1000);
- mt7621_wdt_ping(w);
-
- return 0;
-@@ -68,29 +75,31 @@ static int mt7621_wdt_set_timeout(struct
-
- static int mt7621_wdt_start(struct watchdog_device *w)
- {
-+ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
- u32 t;
-
- /* set the prescaler to 1ms == 1000us */
-- rt_wdt_w32(TIMER_REG_TMR1CTL, 1000 << TMR1CTL_PRESCALE_SHIFT);
-+ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1CTL, 1000 << TMR1CTL_PRESCALE_SHIFT);
-
- mt7621_wdt_set_timeout(w, w->timeout);
-
-- t = rt_wdt_r32(TIMER_REG_TMR1CTL);
-+ t = rt_wdt_r32(drvdata->base, TIMER_REG_TMR1CTL);
- t |= TMR1CTL_ENABLE;
-- rt_wdt_w32(TIMER_REG_TMR1CTL, t);
-+ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1CTL, t);
-
- return 0;
- }
-
- static int mt7621_wdt_stop(struct watchdog_device *w)
- {
-+ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
- u32 t;
-
- mt7621_wdt_ping(w);
-
-- t = rt_wdt_r32(TIMER_REG_TMR1CTL);
-+ t = rt_wdt_r32(drvdata->base, TIMER_REG_TMR1CTL);
- t &= ~TMR1CTL_ENABLE;
-- rt_wdt_w32(TIMER_REG_TMR1CTL, t);
-+ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1CTL, t);
-
- return 0;
- }
-@@ -105,7 +114,9 @@ static int mt7621_wdt_bootcause(void)
-
- static int mt7621_wdt_is_running(struct watchdog_device *w)
- {
-- return !!(rt_wdt_r32(TIMER_REG_TMR1CTL) & TMR1CTL_ENABLE);
-+ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
-+
-+ return !!(rt_wdt_r32(drvdata->base, TIMER_REG_TMR1CTL) & TMR1CTL_ENABLE);
- }
-
- static const struct watchdog_info mt7621_wdt_info = {
-@@ -121,30 +132,39 @@ static const struct watchdog_ops mt7621_
- .set_timeout = mt7621_wdt_set_timeout,
- };
-
--static struct watchdog_device mt7621_wdt_dev = {
-- .info = &mt7621_wdt_info,
-- .ops = &mt7621_wdt_ops,
-- .min_timeout = 1,
-- .max_timeout = 0xfffful / 1000,
--};
--
- static int mt7621_wdt_probe(struct platform_device *pdev)
- {
- struct device *dev = &pdev->dev;
-- mt7621_wdt_base = devm_platform_ioremap_resource(pdev, 0);
-- if (IS_ERR(mt7621_wdt_base))
-- return PTR_ERR(mt7621_wdt_base);
--
-- mt7621_wdt_reset = devm_reset_control_get_exclusive(dev, NULL);
-- if (!IS_ERR(mt7621_wdt_reset))
-- reset_control_deassert(mt7621_wdt_reset);
--
-- mt7621_wdt_dev.bootstatus = mt7621_wdt_bootcause();
--
-- watchdog_init_timeout(&mt7621_wdt_dev, mt7621_wdt_dev.max_timeout,
-- dev);
-- watchdog_set_nowayout(&mt7621_wdt_dev, nowayout);
-- if (mt7621_wdt_is_running(&mt7621_wdt_dev)) {
-+ struct watchdog_device *mt7621_wdt;
-+ struct mt7621_wdt_data *drvdata;
-+ int err;
-+
-+ drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
-+ if (!drvdata)
-+ return -ENOMEM;
-+
-+ drvdata->base = devm_platform_ioremap_resource(pdev, 0);
-+ if (IS_ERR(drvdata->base))
-+ return PTR_ERR(drvdata->base);
-+
-+ drvdata->rst = devm_reset_control_get_exclusive(dev, NULL);
-+ if (!IS_ERR(drvdata->rst))
-+ reset_control_deassert(drvdata->rst);
-+
-+ mt7621_wdt = &drvdata->wdt;
-+ mt7621_wdt->info = &mt7621_wdt_info;
-+ mt7621_wdt->ops = &mt7621_wdt_ops;
-+ mt7621_wdt->min_timeout = 1;
-+ mt7621_wdt->max_timeout = 0xfffful / 1000;
-+ mt7621_wdt->parent = dev;
-+
-+ mt7621_wdt->bootstatus = mt7621_wdt_bootcause();
-+
-+ watchdog_init_timeout(mt7621_wdt, mt7621_wdt->max_timeout, dev);
-+ watchdog_set_nowayout(mt7621_wdt, nowayout);
-+ watchdog_set_drvdata(mt7621_wdt, drvdata);
-+
-+ if (mt7621_wdt_is_running(mt7621_wdt)) {
- /*
- * Make sure to apply timeout from watchdog core, taking
- * the prescaler of this driver here into account (the
-@@ -154,17 +174,25 @@ static int mt7621_wdt_probe(struct platf
- * we first disable the watchdog, set the new prescaler
- * and timeout, and then re-enable the watchdog.
- */
-- mt7621_wdt_stop(&mt7621_wdt_dev);
-- mt7621_wdt_start(&mt7621_wdt_dev);
-- set_bit(WDOG_HW_RUNNING, &mt7621_wdt_dev.status);
-+ mt7621_wdt_stop(mt7621_wdt);
-+ mt7621_wdt_start(mt7621_wdt);
-+ set_bit(WDOG_HW_RUNNING, &mt7621_wdt->status);
- }
-
-- return devm_watchdog_register_device(dev, &mt7621_wdt_dev);
-+ err = devm_watchdog_register_device(dev, &drvdata->wdt);
-+ if (err)
-+ return err;
-+
-+ platform_set_drvdata(pdev, drvdata);
-+
-+ return 0;
- }
-
- static void mt7621_wdt_shutdown(struct platform_device *pdev)
- {
-- mt7621_wdt_stop(&mt7621_wdt_dev);
-+ struct mt7621_wdt_data *drvdata = platform_get_drvdata(pdev);
-+
-+ mt7621_wdt_stop(&drvdata->wdt);
- }
-
- static const struct of_device_id mt7621_wdt_match[] = {
+++ /dev/null
-From ff8ec4ac39ad413b580d611dbf68e1d8a82eba56 Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Tue, 14 Feb 2023 11:39:36 +0100
-Subject: [PATCH 2/2] watchdog: mt7621-wdt: avoid ralink architecture dependent code
-
-MT7621 SoC has a system controller node. Watchdog need to access to reset
-status register. Ralink architecture and related driver are old and from
-the beggining they are using some architecture dependent operations for
-accessing this shared registers through 'asm/mach-ralink/ralink_regs.h'
-header file. However this is not ideal from a driver perspective which can
-just access to the system controller registers in an arch independent way
-using regmap syscon APIs. Update Kconfig accordingly to select new added
-dependencies and allow driver to be compile tested.
-
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Reviewed-by: Guenter Roeck <linux@roeck-us.net>
-Link: https://lore.kernel.org/r/20230214103936.1061078-6-sergio.paracuellos@gmail.com
-Signed-off-by: Guenter Roeck <linux@roeck-us.net>
-Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
----
- drivers/watchdog/Kconfig | 4 +++-
- drivers/watchdog/mt7621_wdt.c | 22 +++++++++++++++++-----
- 2 files changed, 20 insertions(+), 6 deletions(-)
-
---- a/drivers/watchdog/Kconfig
-+++ b/drivers/watchdog/Kconfig
-@@ -1865,7 +1865,9 @@ config GXP_WATCHDOG
- config MT7621_WDT
- tristate "Mediatek SoC watchdog"
- select WATCHDOG_CORE
-- depends on SOC_MT7620 || SOC_MT7621
-+ select REGMAP_MMIO
-+ select MFD_SYSCON
-+ depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST
- help
- Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
-
---- a/drivers/watchdog/mt7621_wdt.c
-+++ b/drivers/watchdog/mt7621_wdt.c
-@@ -15,8 +15,8 @@
- #include <linux/moduleparam.h>
- #include <linux/platform_device.h>
- #include <linux/mod_devicetable.h>
--
--#include <asm/mach-ralink/ralink_regs.h>
-+#include <linux/mfd/syscon.h>
-+#include <linux/regmap.h>
-
- #define SYSC_RSTSTAT 0x38
- #define WDT_RST_CAUSE BIT(1)
-@@ -34,6 +34,7 @@
- struct mt7621_wdt_data {
- void __iomem *base;
- struct reset_control *rst;
-+ struct regmap *sysc;
- struct watchdog_device wdt;
- };
-
-@@ -104,9 +105,12 @@ static int mt7621_wdt_stop(struct watchd
- return 0;
- }
-
--static int mt7621_wdt_bootcause(void)
-+static int mt7621_wdt_bootcause(struct mt7621_wdt_data *d)
- {
-- if (rt_sysc_r32(SYSC_RSTSTAT) & WDT_RST_CAUSE)
-+ u32 val;
-+
-+ regmap_read(d->sysc, SYSC_RSTSTAT, &val);
-+ if (val & WDT_RST_CAUSE)
- return WDIOF_CARDRESET;
-
- return 0;
-@@ -134,6 +138,7 @@ static const struct watchdog_ops mt7621_
-
- static int mt7621_wdt_probe(struct platform_device *pdev)
- {
-+ struct device_node *np = pdev->dev.of_node;
- struct device *dev = &pdev->dev;
- struct watchdog_device *mt7621_wdt;
- struct mt7621_wdt_data *drvdata;
-@@ -143,6 +148,13 @@ static int mt7621_wdt_probe(struct platf
- if (!drvdata)
- return -ENOMEM;
-
-+ drvdata->sysc = syscon_regmap_lookup_by_phandle(np, "mediatek,sysctl");
-+ if (IS_ERR(drvdata->sysc)) {
-+ drvdata->sysc = syscon_regmap_lookup_by_compatible("mediatek,mt7621-sysc");
-+ if (IS_ERR(drvdata->sysc))
-+ return PTR_ERR(drvdata->sysc);
-+ }
-+
- drvdata->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(drvdata->base))
- return PTR_ERR(drvdata->base);
-@@ -158,7 +170,7 @@ static int mt7621_wdt_probe(struct platf
- mt7621_wdt->max_timeout = 0xfffful / 1000;
- mt7621_wdt->parent = dev;
-
-- mt7621_wdt->bootstatus = mt7621_wdt_bootcause();
-+ mt7621_wdt->bootstatus = mt7621_wdt_bootcause(drvdata);
-
- watchdog_init_timeout(mt7621_wdt, mt7621_wdt->max_timeout, dev);
- watchdog_set_nowayout(mt7621_wdt, nowayout);
+++ /dev/null
-From 9f9a035e6156a57d9da062b26d2a48d031744a1e Mon Sep 17 00:00:00 2001
-From: Shiji Yang <yangshiji66@outlook.com>
-Date: Tue, 20 Jun 2023 18:43:22 +0800
-Subject: [PATCH 1/2] mips: pci-mt7620: do not print NFTS register value as
- error log
-
-These codes are used to read NFTS_TIMEOUT_DELAY register value and
-write it into kernel log after writing the register. they are only
-used for debugging during driver development, so there is no need
-to keep them now.
-
-Tested on MT7628AN router Motorola MWR03.
-
-Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
-Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/pci/pci-mt7620.c | 3 ---
- 1 file changed, 3 deletions(-)
-
---- a/arch/mips/pci/pci-mt7620.c
-+++ b/arch/mips/pci/pci-mt7620.c
-@@ -274,9 +274,6 @@ static int mt7628_pci_hw_init(struct pla
- val |= 0x50 << 8;
- pci_config_write(NULL, 0, 0x70c, 4, val);
-
-- pci_config_read(NULL, 0, 0x70c, 4, &val);
-- dev_err(&pdev->dev, "Port 0 N_FTS = %x\n", (unsigned int) val);
--
- return 0;
- }
-
+++ /dev/null
-From 89ec9bbe60b61cc6ae3eddd6d4f43e128f8a88de Mon Sep 17 00:00:00 2001
-From: Shiji Yang <yangshiji66@outlook.com>
-Date: Tue, 20 Jun 2023 18:43:23 +0800
-Subject: [PATCH 2/2] mips: pci-mt7620: use dev_info() to log PCIe device
- detection result
-
-Usually, We only need to print the error log when there is a PCIe card but
-initialization fails. Whether the driver finds the PCIe card or not is the
-expected behavior. So it's better to log these information with dev_info().
-
-Tested on MT7628AN router Motorola MWR03.
-
-Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
-Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/pci/pci-mt7620.c | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
---- a/arch/mips/pci/pci-mt7620.c
-+++ b/arch/mips/pci/pci-mt7620.c
-@@ -331,7 +331,7 @@ static int mt7620_pci_probe(struct platf
- rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1);
- if (ralink_soc == MT762X_SOC_MT7620A)
- rt_sysc_m32(LC_CKDRVPD, PDRV_SW_SET, PPLL_DRV);
-- dev_err(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n");
-+ dev_info(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n");
- return -1;
- }
-
-@@ -374,7 +374,7 @@ int pcibios_map_irq(const struct pci_dev
- dev->bus->number, slot);
- return 0;
- }
-- dev_err(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n",
-+ dev_info(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n",
- dev->bus->number, slot, irq);
-
- /* configure the cache line size to 0x14 */
+++ /dev/null
-From 50233e105a0332ec0f3bc83180c416e6b200471e Mon Sep 17 00:00:00 2001
-From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Date: Fri, 24 Mar 2023 08:37:33 +0100
-Subject: PCI: mt7621: Use dev_info() to log PCIe card detection
-
-When there is no card plugged on a PCIe port a log reporting that
-the port will be disabled is flagged as an error (dev_err()).
-
-Since this is not an error at all, change the log level by using
-dev_info() instead.
-
-Link: https://lore.kernel.org/r/20230324073733.1596231-1-sergio.paracuellos@gmail.com
-Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
-Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
----
- drivers/pci/controller/pcie-mt7621.c | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
---- a/drivers/pci/controller/pcie-mt7621.c
-+++ b/drivers/pci/controller/pcie-mt7621.c
-@@ -378,8 +378,8 @@ static int mt7621_pcie_init_ports(struct
- u32 slot = port->slot;
-
- if (!mt7621_pcie_port_is_linkup(port)) {
-- dev_err(dev, "pcie%d no card, disable it (RST & CLK)\n",
-- slot);
-+ dev_info(dev, "pcie%d no card, disable it (RST & CLK)\n",
-+ slot);
- mt7621_control_assert(port);
- port->enabled = false;
- num_disabled++;
+++ /dev/null
---- a/drivers/net/ethernet/Kconfig
-+++ b/drivers/net/ethernet/Kconfig
-@@ -166,6 +166,7 @@ source "drivers/net/ethernet/pensando/Kc
- source "drivers/net/ethernet/qlogic/Kconfig"
- source "drivers/net/ethernet/brocade/Kconfig"
- source "drivers/net/ethernet/qualcomm/Kconfig"
-+source "drivers/net/ethernet/ralink/Kconfig"
- source "drivers/net/ethernet/rdc/Kconfig"
- source "drivers/net/ethernet/realtek/Kconfig"
- source "drivers/net/ethernet/renesas/Kconfig"
---- a/drivers/net/ethernet/Makefile
-+++ b/drivers/net/ethernet/Makefile
-@@ -77,6 +77,7 @@ obj-$(CONFIG_NET_VENDOR_PACKET_ENGINES)
- obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/
- obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/
- obj-$(CONFIG_NET_VENDOR_QUALCOMM) += qualcomm/
-+obj-$(CONFIG_NET_VENDOR_RALINK) += ralink/
- obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/
- obj-$(CONFIG_NET_VENDOR_RENESAS) += renesas/
- obj-$(CONFIG_NET_VENDOR_RDC) += rdc/
+++ /dev/null
---- a/arch/mips/include/asm/mach-ralink/mt7620.h
-+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
-@@ -61,4 +61,16 @@ static inline int mt7620_get_eco(void)
- return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
- }
-
-+static inline int mt7620_get_chipver(void)
-+{
-+ return (rt_sysc_r32(SYSC_REG_CHIP_REV) >> CHIP_REV_VER_SHIFT) &
-+ CHIP_REV_VER_MASK;
-+}
-+
-+static inline int mt7620_get_pkg(void)
-+{
-+ return (rt_sysc_r32(SYSC_REG_CHIP_REV) >> CHIP_REV_PKG_SHIFT) &
-+ CHIP_REV_PKG_MASK;
-+}
-+
- #endif
+++ /dev/null
-From ce3d4a4111a5f7e6b4e74bceae5faa6ce388e8ec Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Sun, 14 Jul 2013 23:08:11 +0200
-Subject: [PATCH 05/53] MIPS: use set_mode() to enable/disable the cevt-r4k
- irq
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/ralink/Kconfig | 5 +++++
- 1 file changed, 5 insertions(+)
-
---- a/arch/mips/ralink/Kconfig
-+++ b/arch/mips/ralink/Kconfig
-@@ -1,12 +1,17 @@
- # SPDX-License-Identifier: GPL-2.0
- if RALINK
-
-+config CEVT_SYSTICK_QUIRK
-+ bool
-+ default n
-+
- config CLKEVT_RT3352
- bool
- depends on SOC_RT305X || SOC_MT7620
- default y
- select TIMER_OF
- select CLKSRC_MMIO
-+ select CEVT_SYSTICK_QUIRK
-
- config RALINK_ILL_ACC
- bool
---- a/arch/mips/kernel/cevt-r4k.c
-+++ b/arch/mips/kernel/cevt-r4k.c
-@@ -16,6 +16,31 @@
- #include <asm/time.h>
- #include <asm/cevt-r4k.h>
-
-+#ifdef CONFIG_CEVT_SYSTICK_QUIRK
-+static int mips_state_oneshot(struct clock_event_device *evt)
-+{
-+ unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED;
-+ if (!cp0_timer_irq_installed) {
-+ cp0_timer_irq_installed = 1;
-+ if (request_irq(evt->irq, c0_compare_interrupt, flags, "timer",
-+ c0_compare_interrupt))
-+ pr_err("Failed to request irq %d (timer)\n", evt->irq);
-+ }
-+
-+ return 0;
-+}
-+
-+static int mips_state_shutdown(struct clock_event_device *evt)
-+{
-+ if (cp0_timer_irq_installed) {
-+ cp0_timer_irq_installed = 0;
-+ free_irq(evt->irq, NULL);
-+ }
-+
-+ return 0;
-+}
-+#endif
-+
- static int mips_next_event(unsigned long delta,
- struct clock_event_device *evt)
- {
-@@ -292,7 +317,9 @@ core_initcall(r4k_register_cpufreq_notif
-
- int r4k_clockevent_init(void)
- {
-+#ifndef CONFIG_CEVT_SYSTICK_QUIRK
- unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED;
-+#endif
- unsigned int cpu = smp_processor_id();
- struct clock_event_device *cd;
- unsigned int irq, min_delta;
-@@ -322,11 +349,16 @@ int r4k_clockevent_init(void)
- cd->rating = 300;
- cd->irq = irq;
- cd->cpumask = cpumask_of(cpu);
-+#ifdef CONFIG_CEVT_SYSTICK_QUIRK
-+ cd->set_state_shutdown = mips_state_shutdown;
-+ cd->set_state_oneshot = mips_state_oneshot;
-+#endif
- cd->set_next_event = mips_next_event;
- cd->event_handler = mips_event_handler;
-
- clockevents_config_and_register(cd, mips_hpt_frequency, min_delta, 0x7fffffff);
-
-+#ifndef CONFIG_CEVT_SYSTICK_QUIRK
- if (cp0_timer_irq_installed)
- return 0;
-
-@@ -335,6 +367,7 @@ int r4k_clockevent_init(void)
- if (request_irq(irq, c0_compare_interrupt, flags, "timer",
- c0_compare_interrupt))
- pr_err("Failed to request irq %d (timer)\n", irq);
-+#endif
-
- return 0;
- }
+++ /dev/null
-From bd30f19a006fb52bac80c6463c49dd2f4159f4ac Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Sun, 28 Jul 2013 16:26:41 +0200
-Subject: [PATCH 06/53] MIPS: ralink: add cpu frequency scaling
-
-This feature will break udelay() and cause the delay loop to have longer delays
-when the frequency is scaled causing a performance hit.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/ralink/cevt-rt3352.c | 38 ++++++++++++++++++++++++++++++++++++++
- 1 file changed, 38 insertions(+)
-
---- a/arch/mips/ralink/cevt-rt3352.c
-+++ b/arch/mips/ralink/cevt-rt3352.c
-@@ -29,6 +29,10 @@
- /* enable the counter */
- #define CFG_CNT_EN 0x1
-
-+/* mt7620 frequency scaling defines */
-+#define CLK_LUT_CFG 0x40
-+#define SLEEP_EN BIT(31)
-+
- struct systick_device {
- void __iomem *membase;
- struct clock_event_device dev;
-@@ -36,21 +40,53 @@ struct systick_device {
- int freq_scale;
- };
-
-+static void (*systick_freq_scaling)(struct systick_device *sdev, int status);
-+
- static int systick_set_oneshot(struct clock_event_device *evt);
- static int systick_shutdown(struct clock_event_device *evt);
-
-+static inline void mt7620_freq_scaling(struct systick_device *sdev, int status)
-+{
-+ if (sdev->freq_scale == status)
-+ return;
-+
-+ sdev->freq_scale = status;
-+
-+ pr_info("%s: %s autosleep mode\n", sdev->dev.name,
-+ (status) ? ("enable") : ("disable"));
-+ if (status)
-+ rt_sysc_w32(rt_sysc_r32(CLK_LUT_CFG) | SLEEP_EN, CLK_LUT_CFG);
-+ else
-+ rt_sysc_w32(rt_sysc_r32(CLK_LUT_CFG) & ~SLEEP_EN, CLK_LUT_CFG);
-+}
-+
-+static inline unsigned int read_count(struct systick_device *sdev)
-+{
-+ return ioread32(sdev->membase + SYSTICK_COUNT);
-+}
-+
-+static inline unsigned int read_compare(struct systick_device *sdev)
-+{
-+ return ioread32(sdev->membase + SYSTICK_COMPARE);
-+}
-+
-+static inline void write_compare(struct systick_device *sdev, unsigned int val)
-+{
-+ iowrite32(val, sdev->membase + SYSTICK_COMPARE);
-+}
-+
- static int systick_next_event(unsigned long delta,
- struct clock_event_device *evt)
- {
- struct systick_device *sdev;
-- u32 count;
-+ int res;
-
- sdev = container_of(evt, struct systick_device, dev);
-- count = ioread32(sdev->membase + SYSTICK_COUNT);
-- count = (count + delta) % SYSTICK_FREQ;
-- iowrite32(count, sdev->membase + SYSTICK_COMPARE);
-+ delta += read_count(sdev);
-+ write_compare(sdev, delta);
-+ res = ((int)(read_count(sdev) - delta) >= 0) ? -ETIME : 0;
-
-- return 0;
-+ return res;
- }
-
- static void systick_event_handler(struct clock_event_device *dev)
-@@ -60,20 +96,25 @@ static void systick_event_handler(struct
-
- static irqreturn_t systick_interrupt(int irq, void *dev_id)
- {
-- struct clock_event_device *dev = (struct clock_event_device *) dev_id;
-+ int ret = 0;
-+ struct clock_event_device *cdev;
-+ struct systick_device *sdev;
-
-- dev->event_handler(dev);
-+ if (read_c0_cause() & STATUSF_IP7) {
-+ cdev = (struct clock_event_device *) dev_id;
-+ sdev = container_of(cdev, struct systick_device, dev);
-+
-+ /* Clear Count/Compare Interrupt */
-+ write_compare(sdev, read_compare(sdev));
-+ cdev->event_handler(cdev);
-+ ret = 1;
-+ }
-
-- return IRQ_HANDLED;
-+ return IRQ_RETVAL(ret);
- }
-
- static struct systick_device systick = {
- .dev = {
-- /*
-- * cevt-r4k uses 300, make sure systick
-- * gets used if available
-- */
-- .rating = 310,
- .features = CLOCK_EVT_FEAT_ONESHOT,
- .set_next_event = systick_next_event,
- .set_state_shutdown = systick_shutdown,
-@@ -91,7 +132,13 @@ static int systick_shutdown(struct clock
- if (sdev->irq_requested)
- free_irq(systick.dev.irq, &systick.dev);
- sdev->irq_requested = 0;
-- iowrite32(0, systick.membase + SYSTICK_CONFIG);
-+ iowrite32(CFG_CNT_EN, systick.membase + SYSTICK_CONFIG);
-+
-+ if (systick_freq_scaling)
-+ systick_freq_scaling(sdev, 0);
-+
-+ if (systick_freq_scaling)
-+ systick_freq_scaling(sdev, 1);
-
- return 0;
- }
-@@ -116,33 +163,46 @@ static int systick_set_oneshot(struct cl
- return 0;
- }
-
-+static const struct of_device_id systick_match[] = {
-+ { .compatible = "ralink,mt7620a-systick", .data = mt7620_freq_scaling},
-+ {},
-+};
-+
- static int __init ralink_systick_init(struct device_node *np)
- {
-- int ret;
-+ const struct of_device_id *match;
-+ int rating = 200;
-
- systick.membase = of_iomap(np, 0);
- if (!systick.membase)
- return -ENXIO;
-
-- systick.dev.name = np->name;
-- clockevents_calc_mult_shift(&systick.dev, SYSTICK_FREQ, 60);
-- systick.dev.max_delta_ns = clockevent_delta2ns(0x7fff, &systick.dev);
-- systick.dev.max_delta_ticks = 0x7fff;
-- systick.dev.min_delta_ns = clockevent_delta2ns(0x3, &systick.dev);
-- systick.dev.min_delta_ticks = 0x3;
-+ match = of_match_node(systick_match, np);
-+ if (match) {
-+ systick_freq_scaling = match->data;
-+ /*
-+ * cevt-r4k uses 300, make sure systick
-+ * gets used if available
-+ */
-+ rating = 310;
-+ }
-+
-+ /* enable counter than register clock source */
-+ iowrite32(CFG_CNT_EN, systick.membase + SYSTICK_CONFIG);
-+ clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name,
-+ SYSTICK_FREQ, rating, 16, clocksource_mmio_readl_up);
-+
-+ /* register clock event */
- systick.dev.irq = irq_of_parse_and_map(np, 0);
- if (!systick.dev.irq) {
- pr_err("%pOFn: request_irq failed", np);
- return -EINVAL;
- }
-
-- ret = clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name,
-- SYSTICK_FREQ, 301, 16,
-- clocksource_mmio_readl_up);
-- if (ret)
-- return ret;
--
-- clockevents_register_device(&systick.dev);
-+ systick.dev.name = np->name;
-+ systick.dev.rating = rating;
-+ systick.dev.cpumask = cpumask_of(0);
-+ clockevents_config_and_register(&systick.dev, SYSTICK_FREQ, 0x3, 0x7fff);
-
- pr_info("%pOFn: running - mult: %d, shift: %d\n",
- np, systick.dev.mult, systick.dev.shift);
+++ /dev/null
-From f15d27f9c90ede4b16eb37f9ae573ef81c2b6996 Mon Sep 17 00:00:00 2001
-From: David Bauer <mail@david-bauer.net>
-Date: Thu, 31 Dec 2020 18:49:12 +0100
-Subject: [PATCH] MIPS: add bootargs-override property
-
-Add support for the bootargs-override property to the chosen node
-similar to the one used on ipq806x or mpc85xx.
-
-This is necessary, as the U-Boot used on some boards, notably the
-Ubiquiti UniFi 6 Lite, overwrite the bootargs property of the chosen
-node leading to a kernel panic when loading OpenWrt.
-
-Signed-off-by: David Bauer <mail@david-bauer.net>
----
- arch/mips/kernel/setup.c | 30 ++++++++++++++++++++++++++++++
- 1 file changed, 30 insertions(+)
-
---- a/arch/mips/kernel/setup.c
-+++ b/arch/mips/kernel/setup.c
-@@ -557,8 +557,28 @@ static int __init bootcmdline_scan_chose
-
- #endif /* CONFIG_OF_EARLY_FLATTREE */
-
-+static int __init bootcmdline_scan_chosen_override(unsigned long node, const char *uname,
-+ int depth, void *data)
-+{
-+ bool *dt_bootargs = data;
-+ const char *p;
-+ int l;
-+
-+ if (depth != 1 || !data || strcmp(uname, "chosen") != 0)
-+ return 0;
-+
-+ p = of_get_flat_dt_prop(node, "bootargs-override", &l);
-+ if (p != NULL && l > 0) {
-+ strlcpy(boot_command_line, p, COMMAND_LINE_SIZE);
-+ *dt_bootargs = true;
-+ }
-+
-+ return 1;
-+}
-+
- static void __init bootcmdline_init(void)
- {
-+ bool dt_bootargs_override = false;
- bool dt_bootargs = false;
-
- /*
-@@ -572,6 +592,14 @@ static void __init bootcmdline_init(void
- }
-
- /*
-+ * If bootargs-override in the chosen node is set, use this as the
-+ * command line
-+ */
-+ of_scan_flat_dt(bootcmdline_scan_chosen_override, &dt_bootargs_override);
-+ if (dt_bootargs_override)
-+ return;
-+
-+ /*
- * If the user specified a built-in command line &
- * MIPS_CMDLINE_BUILTIN_EXTEND, then the built-in command line is
- * prepended to arguments from the bootloader or DT so we'll copy them
+++ /dev/null
-From 5ede027f6c4a57ed25da872420508b7f1168b36b Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 7 Dec 2015 17:15:32 +0100
-Subject: [PATCH 13/53] owrt: hack: fix mt7688 cache issue
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/kernel/setup.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/arch/mips/kernel/setup.c
-+++ b/arch/mips/kernel/setup.c
-@@ -699,7 +699,6 @@ static void __init arch_mem_init(char **
- mips_reserve_vmcore();
-
- mips_parse_crashkernel();
-- device_tree_init();
-
- /*
- * In order to reduce the possibility of kernel panic when failed to
-@@ -834,6 +833,7 @@ void __init setup_arch(char **cmdline_p)
-
- cpu_cache_init();
- paging_init();
-+ device_tree_init();
-
- memblock_dump_all();
-
+++ /dev/null
-From 9e6ce539092a1dd605a20bf73c655a9de58d8641 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 7 Dec 2015 17:18:05 +0100
-Subject: [PATCH 15/53] arch: mips: do not select illegal access driver by
- default
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/ralink/Kconfig | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
---- a/arch/mips/ralink/Kconfig
-+++ b/arch/mips/ralink/Kconfig
-@@ -14,9 +14,9 @@ config CLKEVT_RT3352
- select CEVT_SYSTICK_QUIRK
-
- config RALINK_ILL_ACC
-- bool
-+ bool "illegal access irq"
- depends on SOC_RT305X
-- default y
-+ default n
-
- config IRQ_INTC
- bool
+++ /dev/null
-From 6decd1aad15f56b169217789630a0098b496de0e Mon Sep 17 00:00:00 2001
-From: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
-Date: Wed, 7 Apr 2021 13:07:38 -0700
-Subject: [PATCH] MIPS: add support for buggy MT7621S core detection
-
-Most MT7621 SoCs have 2 cores, which is detected and supported properly
-by CPS.
-
-Unfortunately, MT7621 SoC has a less common S variant with only one core.
-On MT7621S, GCR_CONFIG still reports 2 cores, which leads to hangs when
-starting SMP. CPULAUNCH registers can be used in that case to detect the
-absence of the second core and override the GCR_CONFIG PCORES field.
-
-Rework a long-standing OpenWrt patch to override the value of
-mips_cps_numcores on single-core MT7621 systems.
-
-Tested on a dual-core MT7621 device (Ubiquiti ER-X) and a single-core
-MT7621 device (Netgear R6220).
-
-Original 4.14 OpenWrt patch:
-Link: https://git.openwrt.org/?p=openwrt/openwrt.git;a=commitdiff;h=4cdbc90a376dd0555201c1434a2081e055e9ceb7
-Current 5.10 OpenWrt patch:
-Link: https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=target/linux/ramips/patches-5.10/320-mt7621-core-detect-hack.patch;h=c63f0f4c1ec742e24d8480e80553863744b58f6a;hb=10267e17299806f9885d086147878f6c492cb904
-
-Suggested-by: Felix Fietkau <nbd@nbd.name>
-Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- arch/mips/include/asm/mips-cps.h | 23 ++++++++++++++++++++++-
- 1 file changed, 22 insertions(+), 1 deletion(-)
-
---- a/arch/mips/include/asm/mips-cps.h
-+++ b/arch/mips/include/asm/mips-cps.h
-@@ -11,6 +11,8 @@
- #include <linux/io.h>
- #include <linux/types.h>
-
-+#include <asm/mips-boards/launch.h>
-+
- extern unsigned long __cps_access_bad_size(void)
- __compiletime_error("Bad size for CPS accessor");
-
-@@ -162,12 +164,31 @@ static inline uint64_t mips_cps_cluster_
- */
- static inline unsigned int mips_cps_numcores(unsigned int cluster)
- {
-+ unsigned int ncores;
-+
- if (!mips_cm_present())
- return 0;
-
- /* Add one before masking to handle 0xff indicating no cores */
-- return FIELD_GET(CM_GCR_CONFIG_PCORES,
-+ ncores = FIELD_GET(CM_GCR_CONFIG_PCORES,
- mips_cps_cluster_config(cluster) + 1);
-+
-+ if (IS_ENABLED(CONFIG_SOC_MT7621)) {
-+ struct cpulaunch *launch;
-+
-+ /*
-+ * Ralink MT7621S SoC is single core, but the GCR_CONFIG method
-+ * always reports 2 cores. Check the second core's LAUNCH_FREADY
-+ * flag to detect if the second core is missing. This method
-+ * only works before the core has been started.
-+ */
-+ launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH);
-+ launch += 2; /* MT7621 has 2 VPEs per core */
-+ if (!(launch->flags & LAUNCH_FREADY))
-+ ncores = 1;
-+ }
-+
-+ return ncores;
- }
-
- /**
+++ /dev/null
---- a/arch/mips/ralink/irq-gic.c
-+++ b/arch/mips/ralink/irq-gic.c
-@@ -13,6 +13,12 @@
-
- int get_c0_perfcount_int(void)
- {
-+ /*
-+ * Performance counter events are routed through GIC.
-+ * Prevent them from firing on CPU IRQ7 as well
-+ */
-+ clear_c0_status(IE_SW0 << 7);
-+
- return gic_get_c0_perfcount_int();
- }
- EXPORT_SYMBOL_GPL(get_c0_perfcount_int);
+++ /dev/null
-From ee9081b2726a5ca8cde5497afdc5425e21ff8f8b Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 15 Jul 2013 00:39:21 +0200
-Subject: [PATCH 37/53] mtd: cfi cmdset 0002 force word write
-
----
- drivers/mtd/chips/cfi_cmdset_0002.c | 9 +++++++--
- 1 file changed, 7 insertions(+), 2 deletions(-)
-
---- a/drivers/mtd/chips/cfi_cmdset_0002.c
-+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
-@@ -40,7 +40,7 @@
- #include <linux/mtd/xip.h>
-
- #define AMD_BOOTLOC_BUG
--#define FORCE_WORD_WRITE 0
-+#define FORCE_WORD_WRITE 1
-
- #define MAX_RETRIES 3
-
+++ /dev/null
-From 52d14545d2fc276b1bf9ccf48d4612fab6edfb6a Mon Sep 17 00:00:00 2001
-From: David Bauer <mail@david-bauer.net>
-Date: Thu, 6 May 2021 17:49:55 +0200
-Subject: [PATCH] mtd: spi-nor: Add support for BoHong bh25q128as
-
-Add MTD support for the BoHong bh25q128as SPI NOR chip.
-The chip has 16MB of total capacity, divided into a total of 256
-sectors, each 64KB sized. The chip also supports 4KB sectors.
-Additionally, it supports dual and quad read modes.
-
-Functionality was verified on an Tenbay WR1800K / MTK MT7621 board.
-
-Signed-off-by: David Bauer <mail@david-bauer.net>
----
- drivers/mtd/spi-nor/Makefile | 1 +
- drivers/mtd/spi-nor/bohong.c | 21 +++++++++++++++++++++
- drivers/mtd/spi-nor/core.c | 1 +
- drivers/mtd/spi-nor/core.h | 1 +
- 4 files changed, 24 insertions(+)
- create mode 100644 drivers/mtd/spi-nor/bohong.c
-
---- a/drivers/mtd/spi-nor/Makefile
-+++ b/drivers/mtd/spi-nor/Makefile
-@@ -2,6 +2,7 @@
-
- spi-nor-objs := core.o sfdp.o swp.o otp.o sysfs.o
- spi-nor-objs += atmel.o
-+spi-nor-objs += bohong.o
- spi-nor-objs += catalyst.o
- spi-nor-objs += eon.o
- spi-nor-objs += esmt.o
---- /dev/null
-+++ b/drivers/mtd/spi-nor/bohong.c
-@@ -0,0 +1,21 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * Copyright (C) 2005, Intec Automation Inc.
-+ * Copyright (C) 2014, Freescale Semiconductor, Inc.
-+ */
-+
-+#include <linux/mtd/spi-nor.h>
-+
-+#include "core.h"
-+
-+static const struct flash_info bohong_parts[] = {
-+ /* BoHong Microelectronics */
-+ { "bh25q128as", INFO(0x684018, 0, 64 * 1024, 256)
-+ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
-+};
-+
-+const struct spi_nor_manufacturer spi_nor_bohong = {
-+ .name = "bohong",
-+ .parts = bohong_parts,
-+ .nparts = ARRAY_SIZE(bohong_parts),
-+};
---- a/drivers/mtd/spi-nor/core.c
-+++ b/drivers/mtd/spi-nor/core.c
-@@ -1620,6 +1620,7 @@ int spi_nor_sr2_bit7_quad_enable(struct
-
- static const struct spi_nor_manufacturer *manufacturers[] = {
- &spi_nor_atmel,
-+ &spi_nor_bohong,
- &spi_nor_catalyst,
- &spi_nor_eon,
- &spi_nor_esmt,
---- a/drivers/mtd/spi-nor/core.h
-+++ b/drivers/mtd/spi-nor/core.h
-@@ -617,6 +617,7 @@ struct sfdp {
-
- /* Manufacturer drivers. */
- extern const struct spi_nor_manufacturer spi_nor_atmel;
-+extern const struct spi_nor_manufacturer spi_nor_bohong;
- extern const struct spi_nor_manufacturer spi_nor_catalyst;
- extern const struct spi_nor_manufacturer spi_nor_eon;
- extern const struct spi_nor_manufacturer spi_nor_esmt;
+++ /dev/null
-From e84e2430ee0e483842b4ff013ae8a6e7e2fa2734 Mon Sep 17 00:00:00 2001
-From: Weijie Gao <weijie.gao@mediatek.com>
-Date: Wed, 1 Apr 2020 02:07:58 +0800
-Subject: [PATCH 1/2] mtd: rawnand: add driver support for MT7621 nand
- flash controller
-
-This patch adds NAND flash controller driver for MediaTek MT7621 SoC.
-
-The NAND flash controller is similar with controllers described in
-mtk_nand.c, except that the controller from MT7621 doesn't support DMA
-transmission, and some registers' offset and fields are different.
-
-Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
----
- drivers/mtd/nand/raw/Kconfig | 8 +
- drivers/mtd/nand/raw/Makefile | 1 +
- drivers/mtd/nand/raw/mt7621_nand.c | 1348 ++++++++++++++++++++++++++++++++++++
- 3 files changed, 1357 insertions(+)
- create mode 100644 drivers/mtd/nand/raw/mt7621_nand.c
-
---- a/drivers/mtd/nand/raw/Kconfig
-+++ b/drivers/mtd/nand/raw/Kconfig
-@@ -352,6 +352,14 @@ config MTD_NAND_QCOM
- Enables support for NAND flash chips on SoCs containing the EBI2 NAND
- controller. This controller is found on IPQ806x SoC.
-
-+config MTD_NAND_MT7621
-+ tristate "MT7621 NAND controller"
-+ depends on SOC_MT7621 || COMPILE_TEST
-+ depends on HAS_IOMEM
-+ help
-+ Enables support for NAND controller on MT7621 SoC.
-+ This driver uses PIO mode for data transmission instead of DMA mode.
-+
- config MTD_NAND_MTK
- tristate "MTK NAND controller"
- depends on MTD_NAND_ECC_MEDIATEK
---- a/drivers/mtd/nand/raw/Makefile
-+++ b/drivers/mtd/nand/raw/Makefile
-@@ -48,6 +48,7 @@ obj-$(CONFIG_MTD_NAND_SUNXI) += sunxi_n
- obj-$(CONFIG_MTD_NAND_HISI504) += hisi504_nand.o
- obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmnand/
- obj-$(CONFIG_MTD_NAND_QCOM) += qcom_nandc.o
-+obj-$(CONFIG_MTD_NAND_MT7621) += mt7621_nand.o
- obj-$(CONFIG_MTD_NAND_MTK) += mtk_nand.o
- obj-$(CONFIG_MTD_NAND_MXIC) += mxic_nand.o
- obj-$(CONFIG_MTD_NAND_TEGRA) += tegra_nand.o
+++ /dev/null
-From 3d5f4da8296b23eb3abf8b13122b0d06a215e79c Mon Sep 17 00:00:00 2001
-From: Weijie Gao <weijie.gao@mediatek.com>
-Date: Wed, 1 Apr 2020 02:07:59 +0800
-Subject: [PATCH 2/2] dt-bindings: add documentation for mt7621-nand driver
-
-This patch adds documentation for MediaTek MT7621 NAND flash controller
-driver.
-
-Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
----
- .../bindings/mtd/mediatek,mt7621-nfc.yaml | 68 ++++++++++++++++++++++
- 1 file changed, 68 insertions(+)
- create mode 100644 Documentation/devicetree/bindings/mtd/mediatek,mt7621-nfc.yaml
-
---- /dev/null
-+++ b/Documentation/devicetree/bindings/mtd/mediatek,mt7621-nfc.yaml
-@@ -0,0 +1,68 @@
-+# SPDX-License-Identifier: GPL-2.0
-+%YAML 1.2
-+---
-+$id: http://devicetree.org/schemas/mtd/mediatek,mt7621-nfc.yaml#
-+$schema: http://devicetree.org/meta-schemas/core.yaml#
-+
-+title: MediaTek MT7621 SoC NAND Flash Controller (NFC) DT binding
-+
-+maintainers:
-+ - Weijie Gao <weijie.gao@mediatek.com>
-+
-+description: |
-+ This driver uses a single node to describe both NAND Flash controller
-+ interface (NFI) and ECC engine for MT7621 SoC.
-+ MT7621 supports only one chip select.
-+
-+properties:
-+ "#address-cells": false
-+ "#size-cells": false
-+
-+ compatible:
-+ enum:
-+ - mediatek,mt7621-nfc
-+
-+ reg:
-+ items:
-+ - description: Register base of NFI core
-+ - description: Register base of ECC engine
-+
-+ reg-names:
-+ items:
-+ - const: nfi
-+ - const: ecc
-+
-+ clocks:
-+ items:
-+ - description: Source clock for NFI core, fixed 125MHz
-+
-+ clock-names:
-+ items:
-+ - const: nfi_clk
-+
-+required:
-+ - compatible
-+ - reg
-+ - reg-names
-+ - clocks
-+ - clock-names
-+
-+examples:
-+ - |
-+ nficlock: nficlock {
-+ #clock-cells = <0>;
-+ compatible = "fixed-clock";
-+
-+ clock-frequency = <125000000>;
-+ };
-+
-+ nand@1e003000 {
-+ compatible = "mediatek,mt7621-nfc";
-+
-+ reg = <0x1e003000 0x800
-+ 0x1e003800 0x800>;
-+ reg-names = "nfi", "ecc";
-+
-+ clocks = <&nficlock>;
-+ clock-names = "nfi_clk";
-+ };
+++ /dev/null
-From bd0f89de5476ca25e73fae829ba3e1dafae1d90d Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Ren=C3=A9=20van=20Dorst?= <opensource@vdorst.com>
-Date: Fri, 21 Jun 2019 10:04:05 +0200
-Subject: [PATCH] net: ethernet: mediatek: support net-labels
-
-With this patch, device name can be set within dts file in the same way as dsa
-port can.
-Add: label = "wan"; to GMAC node.
-
-Signed-off-by: René van Dorst <opensource@vdorst.com>
----
- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ++++
- 1 file changed, 4 insertions(+)
-
---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-@@ -4643,6 +4643,7 @@ static const struct net_device_ops mtk_n
-
- static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
- {
-+ const char *name = of_get_property(np, "label", NULL);
- const __be32 *_id = of_get_property(np, "reg", NULL);
- struct device_node *pcs_np;
- phy_interface_t phy_mode;
-@@ -4840,6 +4841,9 @@ static int mtk_add_mac(struct mtk_eth *e
- register_netdevice_notifier(&mac->device_notifier);
- }
-
-+ if (name)
-+ strlcpy(eth->netdev[id]->name, name, IFNAMSIZ);
-+
- return 0;
-
- free_netdev:
+++ /dev/null
-From ffbb1b37a3e1ce1a5c574a6bd4f5aede8bc468ac Mon Sep 17 00:00:00 2001
-From: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
-Date: Sat, 27 Feb 2021 20:20:07 -0800
-Subject: [PATCH] Revert "net: phy: simplify phy_link_change arguments"
-
-This reverts commit a307593a644443db12888f45eed0dafb5869e2cc.
-
-This brings back the do_carrier flags used by the (hacky) next patch,
-still required by target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c
----
- drivers/net/phy/phy.c | 12 ++++++------
- drivers/net/phy/phy_device.c | 12 +++++++-----
- drivers/net/phy/phylink.c | 3 ++-
- include/linux/phy.h | 2 +-
- 4 files changed, 16 insertions(+), 13 deletions(-)
-
---- a/drivers/net/phy/phy.c
-+++ b/drivers/net/phy/phy.c
-@@ -71,13 +71,13 @@ static void phy_process_state_change(str
-
- static void phy_link_up(struct phy_device *phydev)
- {
-- phydev->phy_link_change(phydev, true);
-+ phydev->phy_link_change(phydev, true, true);
- phy_led_trigger_change_speed(phydev);
- }
-
--static void phy_link_down(struct phy_device *phydev)
-+static void phy_link_down(struct phy_device *phydev, bool do_carrier)
- {
-- phydev->phy_link_change(phydev, false);
-+ phydev->phy_link_change(phydev, false, do_carrier);
- phy_led_trigger_change_speed(phydev);
- }
-
-@@ -595,7 +595,7 @@ int phy_start_cable_test(struct phy_devi
- goto out;
-
- /* Mark the carrier down until the test is complete */
-- phy_link_down(phydev);
-+ phy_link_down(phydev, true);
-
- netif_testing_on(dev);
- err = phydev->drv->cable_test_start(phydev);
-@@ -666,7 +666,7 @@ int phy_start_cable_test_tdr(struct phy_
- goto out;
-
- /* Mark the carrier down until the test is complete */
-- phy_link_down(phydev);
-+ phy_link_down(phydev, true);
-
- netif_testing_on(dev);
- err = phydev->drv->cable_test_tdr_start(phydev, config);
-@@ -738,7 +738,7 @@ static int phy_check_link_status(struct
- phy_link_up(phydev);
- } else if (!phydev->link && phydev->state != PHY_NOLINK) {
- phydev->state = PHY_NOLINK;
-- phy_link_down(phydev);
-+ phy_link_down(phydev, true);
- }
-
- return 0;
-@@ -1224,7 +1224,7 @@ void phy_state_machine(struct work_struc
- case PHY_HALTED:
- if (phydev->link) {
- phydev->link = 0;
-- phy_link_down(phydev);
-+ phy_link_down(phydev, true);
- }
- do_suspend = true;
- break;
---- a/drivers/net/phy/phy_device.c
-+++ b/drivers/net/phy/phy_device.c
-@@ -1037,14 +1037,16 @@ struct phy_device *phy_find_first(struct
- }
- EXPORT_SYMBOL(phy_find_first);
-
--static void phy_link_change(struct phy_device *phydev, bool up)
-+static void phy_link_change(struct phy_device *phydev, bool up, bool do_carrier)
- {
- struct net_device *netdev = phydev->attached_dev;
-
-- if (up)
-- netif_carrier_on(netdev);
-- else
-- netif_carrier_off(netdev);
-+ if (do_carrier) {
-+ if (up)
-+ netif_carrier_on(netdev);
-+ else
-+ netif_carrier_off(netdev);
-+ }
- phydev->adjust_link(netdev);
- if (phydev->mii_ts && phydev->mii_ts->link_state)
- phydev->mii_ts->link_state(phydev->mii_ts, phydev);
---- a/drivers/net/phy/phylink.c
-+++ b/drivers/net/phy/phylink.c
-@@ -1687,7 +1687,8 @@ bool phylink_expects_phy(struct phylink
- }
- EXPORT_SYMBOL_GPL(phylink_expects_phy);
-
--static void phylink_phy_change(struct phy_device *phydev, bool up)
-+static void phylink_phy_change(struct phy_device *phydev, bool up,
-+ bool do_carrier)
- {
- struct phylink *pl = phydev->phylink;
- bool tx_pause, rx_pause;
---- a/include/linux/phy.h
-+++ b/include/linux/phy.h
-@@ -739,7 +739,7 @@ struct phy_device {
-
- int pma_extable;
-
-- void (*phy_link_change)(struct phy_device *phydev, bool up);
-+ void (*phy_link_change)(struct phy_device *, bool up, bool do_carrier);
- void (*adjust_link)(struct net_device *dev);
-
- #if IS_ENABLED(CONFIG_MACSEC)
+++ /dev/null
-From 0b6eb1e68290243d439ee330ea8d0b239a5aec69 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Sun, 27 Jul 2014 09:38:50 +0100
-Subject: [PATCH 34/53] NET: multi phy support
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- drivers/net/phy/phy.c | 9 ++++++---
- include/linux/phy.h | 1 +
- 2 files changed, 7 insertions(+), 3 deletions(-)
-
---- a/drivers/net/phy/phy.c
-+++ b/drivers/net/phy/phy.c
-@@ -738,7 +738,10 @@ static int phy_check_link_status(struct
- phy_link_up(phydev);
- } else if (!phydev->link && phydev->state != PHY_NOLINK) {
- phydev->state = PHY_NOLINK;
-- phy_link_down(phydev, true);
-+ if (!phydev->no_auto_carrier_off)
-+ phy_link_down(phydev, true);
-+ else
-+ phy_link_down(phydev, false);
- }
-
- return 0;
-@@ -1224,7 +1227,10 @@ void phy_state_machine(struct work_struc
- case PHY_HALTED:
- if (phydev->link) {
- phydev->link = 0;
-- phy_link_down(phydev, true);
-+ if (!phydev->no_auto_carrier_off)
-+ phy_link_down(phydev, true);
-+ else
-+ phy_link_down(phydev, false);
- }
- do_suspend = true;
- break;
---- a/include/linux/phy.h
-+++ b/include/linux/phy.h
-@@ -647,6 +647,7 @@ struct phy_device {
- unsigned downshifted_rate:1;
- unsigned is_on_sfp_module:1;
- unsigned mac_managed_pm:1;
-+ unsigned no_auto_carrier_off:1;
-
- unsigned autoneg:1;
- /* The most recently read link state */
+++ /dev/null
-From d94fc5ce1dc395747c3934ecffcdec0396583755 Mon Sep 17 00:00:00 2001
-From: Nick Hainke <vincent@systemli.org>
-Date: Fri, 26 May 2023 19:46:33 +0200
-Subject: [PATCH] dmaengine: mediatek: add HSDMA support for mt7621
-
-Commit 87dd67f496f7 ("staging: mt7621-dma: remove driver from tree")
-removed the mt7621-dma driver. Move the driver from staging to the
-folder "drivers/dma/mediatek" containing already other mediatek dma
-driver implementations and maintain it downstream in OpenWrt.
-
-This patch will not be sent to upstream linux. It is just a workaround.
-
-Signed-off-by: Nick Hainke <vincent@systemli.org>
----
- drivers/dma/mediatek/Kconfig | 6 ++++++
- drivers/dma/mediatek/Makefile | 1 +
- 2 files changed, 7 insertions(+)
-
---- a/drivers/dma/mediatek/Kconfig
-+++ b/drivers/dma/mediatek/Kconfig
-@@ -36,3 +36,9 @@ config MTK_UART_APDMA
- When SERIAL_8250_MT6577 is enabled, and if you want to use DMA,
- you can enable the config. The DMA engine can only be used
- with MediaTek SoCs.
-+
-+config MTK_HSDMA
-+ tristate "MTK HSDMA support"
-+ depends on RALINK && SOC_MT7621
-+ select DMA_ENGINE
-+ select DMA_VIRTUAL_CHANNELS
---- a/drivers/dma/mediatek/Makefile
-+++ b/drivers/dma/mediatek/Makefile
-@@ -2,3 +2,4 @@
- obj-$(CONFIG_MTK_UART_APDMA) += mtk-uart-apdma.o
- obj-$(CONFIG_MTK_HSDMA) += mtk-hsdma.o
- obj-$(CONFIG_MTK_CQDMA) += mtk-cqdma.o
-+obj-$(CONFIG_MTK_HSDMA) += hsdma-mt7621.o
+++ /dev/null
-From d410e5478c622c01fcf31427533df5f433df9146 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Sun, 28 Jul 2013 19:45:30 +0200
-Subject: [PATCH 26/53] DT: Add documentation for gpio-ralink
-
-Describe gpio-ralink binding.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
-Cc: linux-mips@linux-mips.org
-Cc: devicetree@vger.kernel.org
-Cc: linux-gpio@vger.kernel.org
----
- .../devicetree/bindings/gpio/gpio-ralink.txt | 40 ++++++++++++++++++++
- 1 file changed, 40 insertions(+)
- create mode 100644 Documentation/devicetree/bindings/gpio/gpio-ralink.txt
-
---- /dev/null
-+++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
-@@ -0,0 +1,40 @@
-+Ralink SoC GPIO controller bindings
-+
-+Required properties:
-+- compatible:
-+ - "ralink,rt2880-gpio" for Ralink controllers
-+- #gpio-cells : Should be two.
-+ - first cell is the pin number
-+ - second cell is used to specify optional parameters (unused)
-+- gpio-controller : Marks the device node as a GPIO controller
-+- reg : Physical base address and length of the controller's registers
-+- interrupt-parent: phandle to the INTC device node
-+- interrupts : Specify the INTC interrupt number
-+- ngpios : Specify the number of GPIOs
-+- ralink,register-map : The register layout depends on the GPIO bank and actual
-+ SoC type. Register offsets need to be in this order.
-+ [ INT, EDGE, RENA, FENA, DATA, DIR, POL, SET, RESET, TOGGLE ]
-+
-+Optional properties:
-+- ralink,gpio-base : Specify the GPIO chips base number
-+
-+Example:
-+
-+ gpio0: gpio@600 {
-+ compatible = "ralink,rt5350-gpio", "ralink,rt2880-gpio";
-+
-+ #gpio-cells = <2>;
-+ gpio-controller;
-+
-+ reg = <0x600 0x34>;
-+
-+ interrupt-parent = <&intc>;
-+ interrupts = <6>;
-+
-+ ngpios = <24>;
-+ ralink,gpio-base = <0>;
-+ ralink,register-map = [ 00 04 08 0c
-+ 20 24 28 2c
-+ 30 34 ];
-+
-+ };
+++ /dev/null
-From 69fdd2c4f937796b934e89c33acde9d082e27bfd Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 4 Aug 2014 20:36:29 +0200
-Subject: [PATCH 27/53] GPIO: MIPS: ralink: add gpio driver for ralink SoC
-
-Add gpio driver for Ralink SoC. This driver makes the gpio core on
-RT2880, RT305x, rt3352, rt3662, rt3883, rt5350 and mt7620 work.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
-Cc: linux-mips@linux-mips.org
-Cc: linux-gpio@vger.kernel.org
----
- arch/mips/include/asm/mach-ralink/gpio.h | 24 ++
- drivers/gpio/Kconfig | 6 +
- drivers/gpio/Makefile | 1 +
- drivers/gpio/gpio-ralink.c | 355 ++++++++++++++++++++++++++++++
- 4 files changed, 386 insertions(+)
- create mode 100644 arch/mips/include/asm/mach-ralink/gpio.h
- create mode 100644 drivers/gpio/gpio-ralink.c
-
---- /dev/null
-+++ b/arch/mips/include/asm/mach-ralink/gpio.h
-@@ -0,0 +1,24 @@
-+/*
-+ * Ralink SoC GPIO API support
-+ *
-+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
-+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published
-+ * by the Free Software Foundation.
-+ *
-+ */
-+
-+#ifndef __ASM_MACH_RALINK_GPIO_H
-+#define __ASM_MACH_RALINK_GPIO_H
-+
-+#define ARCH_NR_GPIOS 128
-+#include <asm-generic/gpio.h>
-+
-+#define gpio_get_value __gpio_get_value
-+#define gpio_set_value __gpio_set_value
-+#define gpio_cansleep __gpio_cansleep
-+#define gpio_to_irq __gpio_to_irq
-+
-+#endif /* __ASM_MACH_RALINK_GPIO_H */
---- a/drivers/gpio/Kconfig
-+++ b/drivers/gpio/Kconfig
-@@ -585,6 +585,12 @@ config GPIO_SNPS_CREG
- where only several fields in register belong to GPIO lines and
- each GPIO line owns a field with different length and on/off value.
-
-+config GPIO_RALINK
-+ bool "Ralink GPIO Support"
-+ depends on RALINK
-+ help
-+ Say yes here to support the Ralink SoC GPIO device
-+
- config GPIO_SPEAR_SPICS
- bool "ST SPEAr13xx SPI Chip Select as GPIO support"
- depends on PLAT_SPEAR
---- a/drivers/gpio/Makefile
-+++ b/drivers/gpio/Makefile
-@@ -122,6 +122,7 @@ obj-$(CONFIG_GPIO_PISOSR) += gpio-pisos
- obj-$(CONFIG_GPIO_PL061) += gpio-pl061.o
- obj-$(CONFIG_GPIO_PMIC_EIC_SPRD) += gpio-pmic-eic-sprd.o
- obj-$(CONFIG_GPIO_PXA) += gpio-pxa.o
-+obj-$(CONFIG_GPIO_RALINK) += gpio-ralink.o
- obj-$(CONFIG_GPIO_RASPBERRYPI_EXP) += gpio-raspberrypi-exp.o
- obj-$(CONFIG_GPIO_RC5T583) += gpio-rc5t583.o
- obj-$(CONFIG_GPIO_RCAR) += gpio-rcar.o
---- /dev/null
-+++ b/drivers/gpio/gpio-ralink.c
-@@ -0,0 +1,341 @@
-+/*
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published
-+ * by the Free Software Foundation.
-+ *
-+ * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
-+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/io.h>
-+#include <linux/gpio.h>
-+#include <linux/spinlock.h>
-+#include <linux/platform_device.h>
-+#include <linux/of_irq.h>
-+#include <linux/irqdomain.h>
-+#include <linux/interrupt.h>
-+
-+enum ralink_gpio_reg {
-+ GPIO_REG_INT = 0,
-+ GPIO_REG_EDGE,
-+ GPIO_REG_RENA,
-+ GPIO_REG_FENA,
-+ GPIO_REG_DATA,
-+ GPIO_REG_DIR,
-+ GPIO_REG_POL,
-+ GPIO_REG_SET,
-+ GPIO_REG_RESET,
-+ GPIO_REG_TOGGLE,
-+ GPIO_REG_MAX
-+};
-+
-+struct ralink_gpio_chip {
-+ struct gpio_chip chip;
-+ u8 regs[GPIO_REG_MAX];
-+
-+ spinlock_t lock;
-+ void __iomem *membase;
-+ struct irq_domain *domain;
-+ int irq;
-+
-+ u32 rising;
-+ u32 falling;
-+};
-+
-+#define MAP_MAX 4
-+static struct irq_domain *irq_map[MAP_MAX];
-+static int irq_map_count;
-+static atomic_t irq_refcount = ATOMIC_INIT(0);
-+
-+static inline struct ralink_gpio_chip *to_ralink_gpio(struct gpio_chip *chip)
-+{
-+ struct ralink_gpio_chip *rg;
-+
-+ rg = container_of(chip, struct ralink_gpio_chip, chip);
-+
-+ return rg;
-+}
-+
-+static inline void rt_gpio_w32(struct ralink_gpio_chip *rg, u8 reg, u32 val)
-+{
-+ iowrite32(val, rg->membase + rg->regs[reg]);
-+}
-+
-+static inline u32 rt_gpio_r32(struct ralink_gpio_chip *rg, u8 reg)
-+{
-+ return ioread32(rg->membase + rg->regs[reg]);
-+}
-+
-+static void ralink_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
-+{
-+ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
-+
-+ rt_gpio_w32(rg, (value) ? GPIO_REG_SET : GPIO_REG_RESET, BIT(offset));
-+}
-+
-+static int ralink_gpio_get(struct gpio_chip *chip, unsigned offset)
-+{
-+ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
-+
-+ return !!(rt_gpio_r32(rg, GPIO_REG_DATA) & BIT(offset));
-+}
-+
-+static int ralink_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
-+{
-+ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
-+ unsigned long flags;
-+ u32 t;
-+
-+ spin_lock_irqsave(&rg->lock, flags);
-+ t = rt_gpio_r32(rg, GPIO_REG_DIR);
-+ t &= ~BIT(offset);
-+ rt_gpio_w32(rg, GPIO_REG_DIR, t);
-+ spin_unlock_irqrestore(&rg->lock, flags);
-+
-+ return 0;
-+}
-+
-+static int ralink_gpio_direction_output(struct gpio_chip *chip,
-+ unsigned offset, int value)
-+{
-+ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
-+ unsigned long flags;
-+ u32 t;
-+
-+ spin_lock_irqsave(&rg->lock, flags);
-+ ralink_gpio_set(chip, offset, value);
-+ t = rt_gpio_r32(rg, GPIO_REG_DIR);
-+ t |= BIT(offset);
-+ rt_gpio_w32(rg, GPIO_REG_DIR, t);
-+ spin_unlock_irqrestore(&rg->lock, flags);
-+
-+ return 0;
-+}
-+
-+static int ralink_gpio_to_irq(struct gpio_chip *chip, unsigned pin)
-+{
-+ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
-+
-+ if (rg->irq < 1)
-+ return -1;
-+
-+ return irq_create_mapping(rg->domain, pin);
-+}
-+
-+static void ralink_gpio_irq_handler(struct irq_desc *desc)
-+{
-+ int i;
-+
-+ for (i = 0; i < irq_map_count; i++) {
-+ struct irq_domain *domain = irq_map[i];
-+ struct ralink_gpio_chip *rg;
-+ unsigned long pending;
-+ int bit;
-+
-+ rg = (struct ralink_gpio_chip *) domain->host_data;
-+ pending = rt_gpio_r32(rg, GPIO_REG_INT);
-+
-+ for_each_set_bit(bit, &pending, rg->chip.ngpio) {
-+ u32 map = irq_find_mapping(domain, bit);
-+ generic_handle_irq(map);
-+ rt_gpio_w32(rg, GPIO_REG_INT, BIT(bit));
-+ }
-+ }
-+}
-+
-+static void ralink_gpio_irq_unmask(struct irq_data *d)
-+{
-+ struct ralink_gpio_chip *rg;
-+ unsigned long flags;
-+ u32 rise, fall;
-+
-+ rg = (struct ralink_gpio_chip *) d->domain->host_data;
-+ rise = rt_gpio_r32(rg, GPIO_REG_RENA);
-+ fall = rt_gpio_r32(rg, GPIO_REG_FENA);
-+
-+ spin_lock_irqsave(&rg->lock, flags);
-+ rt_gpio_w32(rg, GPIO_REG_RENA, rise | (BIT(d->hwirq) & rg->rising));
-+ rt_gpio_w32(rg, GPIO_REG_FENA, fall | (BIT(d->hwirq) & rg->falling));
-+ spin_unlock_irqrestore(&rg->lock, flags);
-+}
-+
-+static void ralink_gpio_irq_mask(struct irq_data *d)
-+{
-+ struct ralink_gpio_chip *rg;
-+ unsigned long flags;
-+ u32 rise, fall;
-+
-+ rg = (struct ralink_gpio_chip *) d->domain->host_data;
-+ rise = rt_gpio_r32(rg, GPIO_REG_RENA);
-+ fall = rt_gpio_r32(rg, GPIO_REG_FENA);
-+
-+ spin_lock_irqsave(&rg->lock, flags);
-+ rt_gpio_w32(rg, GPIO_REG_FENA, fall & ~BIT(d->hwirq));
-+ rt_gpio_w32(rg, GPIO_REG_RENA, rise & ~BIT(d->hwirq));
-+ spin_unlock_irqrestore(&rg->lock, flags);
-+}
-+
-+static int ralink_gpio_irq_type(struct irq_data *d, unsigned int type)
-+{
-+ struct ralink_gpio_chip *rg;
-+ u32 mask = BIT(d->hwirq);
-+
-+ rg = (struct ralink_gpio_chip *) d->domain->host_data;
-+
-+ if (type == IRQ_TYPE_PROBE) {
-+ if ((rg->rising | rg->falling) & mask)
-+ return 0;
-+
-+ type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
-+ }
-+
-+ if (type & IRQ_TYPE_EDGE_RISING)
-+ rg->rising |= mask;
-+ else
-+ rg->rising &= ~mask;
-+
-+ if (type & IRQ_TYPE_EDGE_FALLING)
-+ rg->falling |= mask;
-+ else
-+ rg->falling &= ~mask;
-+
-+ return 0;
-+}
-+
-+static struct irq_chip ralink_gpio_irq_chip = {
-+ .name = "GPIO",
-+ .irq_unmask = ralink_gpio_irq_unmask,
-+ .irq_mask = ralink_gpio_irq_mask,
-+ .irq_mask_ack = ralink_gpio_irq_mask,
-+ .irq_set_type = ralink_gpio_irq_type,
-+};
-+
-+static int gpio_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
-+{
-+ irq_set_chip_and_handler(irq, &ralink_gpio_irq_chip, handle_level_irq);
-+ irq_set_handler_data(irq, d);
-+
-+ return 0;
-+}
-+
-+static const struct irq_domain_ops irq_domain_ops = {
-+ .xlate = irq_domain_xlate_onecell,
-+ .map = gpio_map,
-+};
-+
-+static void ralink_gpio_irq_init(struct device_node *np,
-+ struct ralink_gpio_chip *rg)
-+{
-+ if (irq_map_count >= MAP_MAX)
-+ return;
-+
-+ rg->irq = irq_of_parse_and_map(np, 0);
-+ if (!rg->irq)
-+ return;
-+
-+ rg->domain = irq_domain_add_linear(np, rg->chip.ngpio,
-+ &irq_domain_ops, rg);
-+ if (!rg->domain) {
-+ dev_err(rg->chip.parent, "irq_domain_add_linear failed\n");
-+ return;
-+ }
-+
-+ irq_map[irq_map_count++] = rg->domain;
-+
-+ rt_gpio_w32(rg, GPIO_REG_RENA, 0x0);
-+ rt_gpio_w32(rg, GPIO_REG_FENA, 0x0);
-+
-+ if (!atomic_read(&irq_refcount))
-+ irq_set_chained_handler(rg->irq, ralink_gpio_irq_handler);
-+ atomic_inc(&irq_refcount);
-+
-+ dev_info(rg->chip.parent, "registering %d irq handlers\n", rg->chip.ngpio);
-+}
-+
-+static int ralink_gpio_probe(struct platform_device *pdev)
-+{
-+ struct device_node *np = pdev->dev.of_node;
-+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ struct ralink_gpio_chip *rg;
-+ const __be32 *ngpio, *gpiobase;
-+
-+ if (!res) {
-+ dev_err(&pdev->dev, "failed to find resource\n");
-+ return -ENOMEM;
-+ }
-+
-+ rg = devm_kzalloc(&pdev->dev,
-+ sizeof(struct ralink_gpio_chip), GFP_KERNEL);
-+ if (!rg)
-+ return -ENOMEM;
-+
-+ rg->membase = devm_ioremap_resource(&pdev->dev, res);
-+ if (!rg->membase) {
-+ dev_err(&pdev->dev, "cannot remap I/O memory region\n");
-+ return -ENOMEM;
-+ }
-+
-+ if (of_property_read_u8_array(np, "ralink,register-map",
-+ rg->regs, GPIO_REG_MAX)) {
-+ dev_err(&pdev->dev, "failed to read register definition\n");
-+ return -EINVAL;
-+ }
-+
-+ ngpio = of_get_property(np, "ngpios", NULL);
-+ if (!ngpio) {
-+ dev_err(&pdev->dev, "failed to read number of pins\n");
-+ return -EINVAL;
-+ }
-+
-+ gpiobase = of_get_property(np, "ralink,gpio-base", NULL);
-+ if (gpiobase)
-+ rg->chip.base = be32_to_cpu(*gpiobase);
-+ else
-+ rg->chip.base = -1;
-+
-+ spin_lock_init(&rg->lock);
-+
-+ rg->chip.parent = &pdev->dev;
-+ rg->chip.label = dev_name(&pdev->dev);
-+ rg->chip.of_node = np;
-+ rg->chip.ngpio = be32_to_cpu(*ngpio);
-+ rg->chip.direction_input = ralink_gpio_direction_input;
-+ rg->chip.direction_output = ralink_gpio_direction_output;
-+ rg->chip.get = ralink_gpio_get;
-+ rg->chip.set = ralink_gpio_set;
-+ rg->chip.request = gpiochip_generic_request;
-+ rg->chip.to_irq = ralink_gpio_to_irq;
-+ rg->chip.free = gpiochip_generic_free;
-+
-+ /* set polarity to low for all lines */
-+ rt_gpio_w32(rg, GPIO_REG_POL, 0);
-+
-+ dev_info(&pdev->dev, "registering %d gpios\n", rg->chip.ngpio);
-+
-+ ralink_gpio_irq_init(np, rg);
-+
-+ return gpiochip_add(&rg->chip);
-+}
-+
-+static const struct of_device_id ralink_gpio_match[] = {
-+ { .compatible = "ralink,rt2880-gpio" },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, ralink_gpio_match);
-+
-+static struct platform_driver ralink_gpio_driver = {
-+ .probe = ralink_gpio_probe,
-+ .driver = {
-+ .name = "rt2880_gpio",
-+ .owner = THIS_MODULE,
-+ .of_match_table = ralink_gpio_match,
-+ },
-+};
-+
-+static int __init ralink_gpio_init(void)
-+{
-+ return platform_driver_register(&ralink_gpio_driver);
-+}
-+
-+subsys_initcall(ralink_gpio_init);
+++ /dev/null
-From 57fa7f2f4ef6f78ce1d30509c0d111aa3791b524 Mon Sep 17 00:00:00 2001
-From: Daniel Santos <daniel.santos@pobox.com>
-Date: Sun, 4 Nov 2018 20:24:32 -0600
-Subject: gpio-ralink: Add support for GPIO as interrupt-controller
-
-Signed-off-by: Daniel Santos <daniel.santos@pobox.com>
----
- Documentation/devicetree/bindings/gpio/gpio-ralink.txt | 6 ++++++
- drivers/gpio/gpio-ralink.c | 2 +-
- 2 files changed, 7 insertions(+), 1 deletion(-)
-
---- a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
-+++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
-@@ -17,6 +17,9 @@ Required properties:
-
- Optional properties:
- - ralink,gpio-base : Specify the GPIO chips base number
-+- interrupt-controller : marks this as an interrupt controller
-+- #interrupt-cells : a standard two-cell interrupt flag, see
-+ interrupt-controller/interrupts.txt
-
- Example:
-
-@@ -28,6 +31,9 @@ Example:
-
- reg = <0x600 0x34>;
-
-+ interrupt-controller;
-+ #interrupt-cells = <2>;
-+
- interrupt-parent = <&intc>;
- interrupts = <6>;
-
---- a/drivers/gpio/gpio-ralink.c
-+++ b/drivers/gpio/gpio-ralink.c
-@@ -220,7 +220,7 @@ static int gpio_map(struct irq_domain *d
- }
-
- static const struct irq_domain_ops irq_domain_ops = {
-- .xlate = irq_domain_xlate_onecell,
-+ .xlate = irq_domain_xlate_twocell,
- .map = gpio_map,
- };
-
+++ /dev/null
-From: AngeloGioacchino Del Regno
- <angelogioacchino.delregno@somainline.org>
-To: linus.walleij@linaro.org
-Cc: linux-kernel@vger.kernel.org, konrad.dybcio@somainline.org,
- marijn.suijten@somainline.org, martin.botka@somainline.org,
- phone-devel@vger.kernel.org, linux-gpio@vger.kernel.org,
- devicetree@vger.kernel.org, robh+dt@kernel.org,
- AngeloGioacchino Del Regno
- <angelogioacchino.delregno@somainline.org>
-Subject: [PATCH v5 1/2] pinctrl: Add driver for Awinic AW9523/B I2C GPIO
- Expander
-Date: Mon, 25 Jan 2021 19:22:18 +0100
-
-The Awinic AW9523(B) is a multi-function I2C gpio expander in a
-TQFN-24L package, featuring PWM (max 37mA per pin, or total max
-power 3.2Watts) for LED driving capability.
-
-It has two ports with 8 pins per port (for a total of 16 pins),
-configurable as either PWM with 1/256 stepping or GPIO input/output,
-1.8V logic input; each GPIO can be configured as input or output
-independently from each other.
-
-This IC also has an internal interrupt controller, which is capable
-of generating an interrupt for each GPIO, depending on the
-configuration, and will raise an interrupt on the INTN pin to
-advertise this to an external interrupt controller.
-
-Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
----
- drivers/pinctrl/Kconfig | 17 +
- drivers/pinctrl/Makefile | 1 +
- drivers/pinctrl/pinctrl-aw9523.c | 1122 ++++++++++++++++++++++++++++++
- 3 files changed, 1140 insertions(+)
- create mode 100644 drivers/pinctrl/pinctrl-aw9523.c
-
---- a/drivers/pinctrl/Kconfig
-+++ b/drivers/pinctrl/Kconfig
-@@ -113,6 +113,24 @@ config PINCTRL_AT91PIO4
- Say Y here to enable the at91 pinctrl/gpio driver for Atmel PIO4
- controller available on sama5d2 SoC.
-
-+config PINCTRL_AW9523
-+ bool "Awinic AW9523/AW9523B I2C GPIO expander pinctrl driver"
-+ depends on OF && I2C
-+ select PINMUX
-+ select PINCONF
-+ select GENERIC_PINCONF
-+ select GPIOLIB
-+ select GPIOLIB_IRQCHIP
-+ select REGMAP
-+ select REGMAP_I2C
-+ help
-+ The Awinic AW9523/AW9523B is a multi-function I2C GPIO
-+ expander with PWM functionality. This driver bundles a
-+ pinctrl driver to select the function muxing and a GPIO
-+ driver to handle GPIO, when the GPIO function is selected.
-+
-+ Say yes to enable pinctrl and GPIO support for the AW9523(B).
-+
- config PINCTRL_AXP209
- tristate "X-Powers AXP209 PMIC pinctrl and GPIO Support"
- depends on MFD_AXP20X
---- a/drivers/pinctrl/Makefile
-+++ b/drivers/pinctrl/Makefile
-@@ -15,6 +15,7 @@ obj-$(CONFIG_PINCTRL_ARTPEC6) += pinctrl
- obj-$(CONFIG_PINCTRL_AS3722) += pinctrl-as3722.o
- obj-$(CONFIG_PINCTRL_AT91) += pinctrl-at91.o
- obj-$(CONFIG_PINCTRL_AT91PIO4) += pinctrl-at91-pio4.o
-+obj-$(CONFIG_PINCTRL_AW9523) += pinctrl-aw9523.o
- obj-$(CONFIG_PINCTRL_AXP209) += pinctrl-axp209.o
- obj-$(CONFIG_PINCTRL_BM1880) += pinctrl-bm1880.o
- obj-$(CONFIG_PINCTRL_CY8C95X0) += pinctrl-cy8c95x0.o
+++ /dev/null
-From: Shiji Yang <yangshiji66@outlook.com>
-Date: Wed, 26 Jul 2023 01:32:55 +0800
-Subject: [PATCH] pinctrl: mtmips: support requesting different functions for
- same group
-
-Sometimes pinctrl consumers may request different functions for the
-same pin group in different situations. This patch can help to reset
-the group function flag when requesting a different function.
-
-Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
----
- drivers/pinctrl/ralink/pinctrl-ralink.c | 21 +++++++++++++++++----
- 1 file changed, 17 insertions(+), 4 deletions(-)
-
---- a/drivers/pinctrl/ralink/pinctrl-ralink.c
-+++ b/drivers/pinctrl/ralink/pinctrl-ralink.c
-@@ -123,11 +123,24 @@ static int ralink_pmx_group_enable(struc
- int i;
- int shift;
-
-- /* dont allow double use */
-+ /*
-+ * for the same pin group, if request a different function,
-+ * then clear the group function flag and continue, else exit.
-+ */
- if (p->groups[group].enabled) {
-- dev_err(p->dev, "%s is already enabled\n",
-- p->groups[group].name);
-- return 0;
-+ for (i = 0; i < p->groups[group].func_count; i++) {
-+ if (p->groups[group].func[i].enabled == 1) {
-+ if (!strcmp(p->func[func]->name,
-+ p->groups[group].func[i].name))
-+ return 0;
-+ p->groups[group].func[i].enabled = 0;
-+ break;
-+ }
-+ }
-+
-+ /* exit if request the "gpio" function again */
-+ if (i == p->groups[group].func_count && func == 0)
-+ return 0;
- }
-
- p->groups[group].enabled = 1;
+++ /dev/null
-From 975e76214cd2516eb6cfff4c3eec581872645e88 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Thu, 19 Sep 2013 01:50:59 +0200
-Subject: [PATCH 31/53] uvc: add iPassion iP2970 support
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- drivers/media/usb/uvc/uvc_driver.c | 12 +++
- drivers/media/usb/uvc/uvc_status.c | 2 +
- drivers/media/usb/uvc/uvc_video.c | 147 ++++++++++++++++++++++++++++++++++++
- drivers/media/usb/uvc/uvcvideo.h | 5 +-
- 4 files changed, 165 insertions(+), 1 deletion(-)
-
---- a/drivers/media/usb/uvc/uvc_driver.c
-+++ b/drivers/media/usb/uvc/uvc_driver.c
-@@ -2981,6 +2981,18 @@ static const struct usb_device_id uvc_id
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
-+ /* iPassion iP2970 */
-+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
-+ | USB_DEVICE_ID_MATCH_INT_INFO,
-+ .idVendor = 0x1B3B,
-+ .idProduct = 0x2970,
-+ .bInterfaceClass = USB_CLASS_VIDEO,
-+ .bInterfaceSubClass = 1,
-+ .bInterfaceProtocol = 0,
-+ .driver_info = UVC_QUIRK_PROBE_MINMAX
-+ | UVC_QUIRK_STREAM_NO_FID
-+ | UVC_QUIRK_MOTION
-+ | UVC_QUIRK_SINGLE_ISO },
- /* Generic USB Video Class */
- { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_UNDEFINED) },
- { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) },
---- a/drivers/media/usb/uvc/uvc_status.c
-+++ b/drivers/media/usb/uvc/uvc_status.c
-@@ -223,6 +223,7 @@ static void uvc_status_complete(struct u
- if (uvc_event_control(urb, status, len))
- /* The URB will be resubmitted in work context. */
- return;
-+ dev->motion = 1;
- break;
- }
-
-@@ -271,6 +272,7 @@ int uvc_status_init(struct uvc_device *d
- }
-
- pipe = usb_rcvintpipe(dev->udev, ep->desc.bEndpointAddress);
-+ dev->motion = 0;
-
- /*
- * For high-speed interrupt endpoints, the bInterval value is used as
---- a/drivers/media/usb/uvc/uvc_video.c
-+++ b/drivers/media/usb/uvc/uvc_video.c
-@@ -19,6 +19,11 @@
- #include <linux/wait.h>
- #include <linux/atomic.h>
- #include <asm/unaligned.h>
-+#include <linux/skbuff.h>
-+#include <linux/kobject.h>
-+#include <linux/netlink.h>
-+#include <linux/kobject.h>
-+#include <linux/workqueue.h>
-
- #include <media/v4l2-common.h>
-
-@@ -1231,9 +1236,149 @@ static void uvc_video_decode_data(struct
- uvc_urb->async_operations++;
- }
-
-+struct bh_priv {
-+ unsigned long seen;
-+};
-+
-+struct bh_event {
-+ const char *name;
-+ struct sk_buff *skb;
-+ struct work_struct work;
-+};
-+
-+#define BH_ERR(fmt, args...) printk(KERN_ERR "%s: " fmt, "webcam", ##args )
-+#define BH_DBG(fmt, args...) do {} while (0)
-+#define BH_SKB_SIZE 2048
-+
-+extern u64 uevent_next_seqnum(void);
-+static int seen = 0;
-+
-+static int bh_event_add_var(struct bh_event *event, int argv,
-+ const char *format, ...)
-+{
-+ static char buf[128];
-+ char *s;
-+ va_list args;
-+ int len;
-+
-+ if (argv)
-+ return 0;
-+
-+ va_start(args, format);
-+ len = vsnprintf(buf, sizeof(buf), format, args);
-+ va_end(args);
-+
-+ if (len >= sizeof(buf)) {
-+ BH_ERR("buffer size too small\n");
-+ WARN_ON(1);
-+ return -ENOMEM;
-+ }
-+
-+ s = skb_put(event->skb, len + 1);
-+ strcpy(s, buf);
-+
-+ BH_DBG("added variable '%s'\n", s);
-+
-+ return 0;
-+}
-+
-+static int motion_hotplug_fill_event(struct bh_event *event)
-+{
-+ int s = jiffies;
-+ int ret;
-+
-+ if (!seen)
-+ seen = jiffies;
-+
-+ ret = bh_event_add_var(event, 0, "HOME=%s", "/");
-+ if (ret)
-+ return ret;
-+
-+ ret = bh_event_add_var(event, 0, "PATH=%s",
-+ "/sbin:/bin:/usr/sbin:/usr/bin");
-+ if (ret)
-+ return ret;
-+
-+ ret = bh_event_add_var(event, 0, "SUBSYSTEM=usb");
-+ if (ret)
-+ return ret;
-+
-+ ret = bh_event_add_var(event, 0, "ACTION=motion");
-+ if (ret)
-+ return ret;
-+
-+ ret = bh_event_add_var(event, 0, "SEEN=%d", s - seen);
-+ if (ret)
-+ return ret;
-+ seen = s;
-+
-+ ret = bh_event_add_var(event, 0, "SEQNUM=%llu", uevent_next_seqnum());
-+
-+ return ret;
-+}
-+
-+static void motion_hotplug_work(struct work_struct *work)
-+{
-+ struct bh_event *event = container_of(work, struct bh_event, work);
-+ int ret = 0;
-+
-+ event->skb = alloc_skb(BH_SKB_SIZE, GFP_KERNEL);
-+ if (!event->skb)
-+ goto out_free_event;
-+
-+ ret = bh_event_add_var(event, 0, "%s@", "add");
-+ if (ret)
-+ goto out_free_skb;
-+
-+ ret = motion_hotplug_fill_event(event);
-+ if (ret)
-+ goto out_free_skb;
-+
-+ NETLINK_CB(event->skb).dst_group = 1;
-+ broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
-+
-+out_free_skb:
-+ if (ret) {
-+ BH_ERR("work error %d\n", ret);
-+ kfree_skb(event->skb);
-+ }
-+out_free_event:
-+ kfree(event);
-+}
-+
-+static int motion_hotplug_create_event(void)
-+{
-+ struct bh_event *event;
-+
-+ event = kzalloc(sizeof(*event), GFP_KERNEL);
-+ if (!event)
-+ return -ENOMEM;
-+
-+ event->name = "motion";
-+
-+ INIT_WORK(&event->work, (void *)(void *)motion_hotplug_work);
-+ schedule_work(&event->work);
-+
-+ return 0;
-+}
-+
-+#define MOTION_FLAG_OFFSET 4
- static void uvc_video_decode_end(struct uvc_streaming *stream,
- struct uvc_buffer *buf, const u8 *data, int len)
- {
-+ if ((stream->dev->quirks & UVC_QUIRK_MOTION) &&
-+ (data[len - 2] == 0xff) && (data[len - 1] == 0xd9)) {
-+ u8 *mem;
-+ buf->state = UVC_BUF_STATE_READY;
-+ mem = (u8 *) (buf->mem + MOTION_FLAG_OFFSET);
-+ if ( stream->dev->motion ) {
-+ stream->dev->motion = 0;
-+ motion_hotplug_create_event();
-+ } else {
-+ *mem &= 0x7f;
-+ }
-+ }
-+
- /* Mark the buffer as done if the EOF marker is set. */
- if (data[1] & UVC_STREAM_EOF && buf->bytesused != 0) {
- uvc_dbg(stream->dev, FRAME, "Frame complete (EOF found)\n");
-@@ -1815,6 +1960,8 @@ static int uvc_init_video_isoc(struct uv
- if (npackets == 0)
- return -ENOMEM;
-
-+ if (stream->dev->quirks & UVC_QUIRK_SINGLE_ISO)
-+ npackets = 1;
- size = npackets * psize;
-
- for_each_uvc_urb(uvc_urb, stream) {
---- a/drivers/media/usb/uvc/uvcvideo.h
-+++ b/drivers/media/usb/uvc/uvcvideo.h
-@@ -75,6 +75,8 @@
- #define UVC_QUIRK_FORCE_Y8 0x00000800
- #define UVC_QUIRK_FORCE_BPP 0x00001000
- #define UVC_QUIRK_WAKE_AUTOSUSPEND 0x00002000
-+#define UVC_QUIRK_MOTION 0x00004000
-+#define UVC_QUIRK_SINGLE_ISO 0x00008000
-
- /* Format flags */
- #define UVC_FMT_FLAG_COMPRESSED 0x00000001
-@@ -562,6 +564,7 @@ struct uvc_device {
- u8 *status;
- struct input_dev *input;
- char input_phys[64];
-+ int motion;
-
- struct uvc_ctrl_work {
- struct work_struct work;
+++ /dev/null
-From da6015e7f19d749f135f7ac55c4ec47b06faa868 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Fri, 9 Aug 2013 20:12:59 +0200
-Subject: [PATCH 41/53] DT: Add documentation for spi-rt2880
-
-Describe the SPI master found on the MIPS based Ralink RT2880 SoC.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- .../devicetree/bindings/spi/spi-rt2880.txt | 28 ++++++++++++++++++++
- 1 file changed, 28 insertions(+)
- create mode 100644 Documentation/devicetree/bindings/spi/spi-rt2880.txt
-
---- /dev/null
-+++ b/Documentation/devicetree/bindings/spi/spi-rt2880.txt
-@@ -0,0 +1,28 @@
-+Ralink SoC RT2880 SPI master controller.
-+
-+This SPI controller is found on most wireless SoCs made by ralink.
-+
-+Required properties:
-+- compatible : "ralink,rt2880-spi"
-+- reg : The register base for the controller.
-+- #address-cells : <1>, as required by generic SPI binding.
-+- #size-cells : <0>, also as required by generic SPI binding.
-+
-+Child nodes as per the generic SPI binding.
-+
-+Example:
-+
-+ spi@b00 {
-+ compatible = "ralink,rt2880-spi";
-+ reg = <0xb00 0x100>;
-+
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+
-+ m25p80@0 {
-+ compatible = "m25p80";
-+ reg = <0>;
-+ spi-max-frequency = <10000000>;
-+ };
-+ };
-+
+++ /dev/null
-From 683af4ebb91a1600df1946ac4769d916b8a1be65 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Sun, 27 Jul 2014 11:15:12 +0100
-Subject: [PATCH 42/53] SPI: ralink: add Ralink SoC spi driver
-
-Add the driver needed to make SPI work on Ralink SoC.
-
-Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
-Acked-by: John Crispin <blogic@openwrt.org>
----
- drivers/spi/Kconfig | 6 +
- drivers/spi/Makefile | 1 +
- drivers/spi/spi-rt2880.c | 530 ++++++++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 537 insertions(+)
- create mode 100644 drivers/spi/spi-rt2880.c
-
---- a/drivers/spi/Kconfig
-+++ b/drivers/spi/Kconfig
-@@ -823,6 +823,12 @@ config SPI_QCOM_GENI
- This driver can also be built as a module. If so, the module
- will be called spi-geni-qcom.
-
-+config SPI_RT2880
-+ tristate "Ralink RT288x SPI Controller"
-+ depends on RALINK
-+ help
-+ This selects a driver for the Ralink RT288x/RT305x SPI Controller.
-+
- config SPI_S3C24XX
- tristate "Samsung S3C24XX series SPI"
- depends on ARCH_S3C24XX
---- a/drivers/spi/Makefile
-+++ b/drivers/spi/Makefile
-@@ -110,6 +110,7 @@ obj-$(CONFIG_SPI_RB4XX) += spi-rb4xx.o
- obj-$(CONFIG_MACH_REALTEK_RTL) += spi-realtek-rtl.o
- obj-$(CONFIG_SPI_RPCIF) += spi-rpc-if.o
- obj-$(CONFIG_SPI_RSPI) += spi-rspi.o
-+obj-$(CONFIG_SPI_RT2880) += spi-rt2880.o
- obj-$(CONFIG_SPI_S3C24XX) += spi-s3c24xx-hw.o
- spi-s3c24xx-hw-y := spi-s3c24xx.o
- obj-$(CONFIG_SPI_S3C64XX) += spi-s3c64xx.o
---- /dev/null
-+++ b/drivers/spi/spi-rt2880.c
-@@ -0,0 +1,535 @@
-+/*
-+ * spi-rt2880.c -- Ralink RT288x/RT305x SPI controller driver
-+ *
-+ * Copyright (C) 2011 Sergiy <piratfm@gmail.com>
-+ * Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org>
-+ *
-+ * Some parts are based on spi-orion.c:
-+ * Author: Shadi Ammouri <shadi@marvell.com>
-+ * Copyright (C) 2007-2008 Marvell Ltd.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#include <linux/init.h>
-+#include <linux/module.h>
-+#include <linux/clk.h>
-+#include <linux/err.h>
-+#include <linux/delay.h>
-+#include <linux/io.h>
-+#include <linux/reset.h>
-+#include <linux/spi/spi.h>
-+#include <linux/platform_device.h>
-+#include <linux/gpio.h>
-+
-+#define DRIVER_NAME "spi-rt2880"
-+
-+#define RAMIPS_SPI_STAT 0x00
-+#define RAMIPS_SPI_CFG 0x10
-+#define RAMIPS_SPI_CTL 0x14
-+#define RAMIPS_SPI_DATA 0x20
-+#define RAMIPS_SPI_ADDR 0x24
-+#define RAMIPS_SPI_BS 0x28
-+#define RAMIPS_SPI_USER 0x2C
-+#define RAMIPS_SPI_TXFIFO 0x30
-+#define RAMIPS_SPI_RXFIFO 0x34
-+#define RAMIPS_SPI_FIFO_STAT 0x38
-+#define RAMIPS_SPI_MODE 0x3C
-+#define RAMIPS_SPI_DEV_OFFSET 0x40
-+#define RAMIPS_SPI_DMA 0x80
-+#define RAMIPS_SPI_DMASTAT 0x84
-+#define RAMIPS_SPI_ARBITER 0xF0
-+
-+/* SPISTAT register bit field */
-+#define SPISTAT_BUSY BIT(0)
-+
-+/* SPICFG register bit field */
-+#define SPICFG_ADDRMODE BIT(12)
-+#define SPICFG_RXENVDIS BIT(11)
-+#define SPICFG_RXCAP BIT(10)
-+#define SPICFG_SPIENMODE BIT(9)
-+#define SPICFG_MSBFIRST BIT(8)
-+#define SPICFG_SPICLKPOL BIT(6)
-+#define SPICFG_RXCLKEDGE_FALLING BIT(5)
-+#define SPICFG_TXCLKEDGE_FALLING BIT(4)
-+#define SPICFG_HIZSPI BIT(3)
-+#define SPICFG_SPICLK_PRESCALE_MASK 0x7
-+#define SPICFG_SPICLK_DIV2 0
-+#define SPICFG_SPICLK_DIV4 1
-+#define SPICFG_SPICLK_DIV8 2
-+#define SPICFG_SPICLK_DIV16 3
-+#define SPICFG_SPICLK_DIV32 4
-+#define SPICFG_SPICLK_DIV64 5
-+#define SPICFG_SPICLK_DIV128 6
-+#define SPICFG_SPICLK_DISABLE 7
-+
-+/* SPICTL register bit field */
-+#define SPICTL_START BIT(4)
-+#define SPICTL_HIZSDO BIT(3)
-+#define SPICTL_STARTWR BIT(2)
-+#define SPICTL_STARTRD BIT(1)
-+#define SPICTL_SPIENA BIT(0)
-+
-+/* SPIUSER register bit field */
-+#define SPIUSER_USERMODE BIT(21)
-+#define SPIUSER_INSTR_PHASE BIT(20)
-+#define SPIUSER_ADDR_PHASE_MASK 0x7
-+#define SPIUSER_ADDR_PHASE_OFFSET 17
-+#define SPIUSER_MODE_PHASE BIT(16)
-+#define SPIUSER_DUMMY_PHASE_MASK 0x3
-+#define SPIUSER_DUMMY_PHASE_OFFSET 14
-+#define SPIUSER_DATA_PHASE_MASK 0x3
-+#define SPIUSER_DATA_PHASE_OFFSET 12
-+#define SPIUSER_DATA_READ (BIT(0) << SPIUSER_DATA_PHASE_OFFSET)
-+#define SPIUSER_DATA_WRITE (BIT(1) << SPIUSER_DATA_PHASE_OFFSET)
-+#define SPIUSER_ADDR_TYPE_OFFSET 9
-+#define SPIUSER_MODE_TYPE_OFFSET 6
-+#define SPIUSER_DUMMY_TYPE_OFFSET 3
-+#define SPIUSER_DATA_TYPE_OFFSET 0
-+#define SPIUSER_TRANSFER_MASK 0x7
-+#define SPIUSER_TRANSFER_SINGLE BIT(0)
-+#define SPIUSER_TRANSFER_DUAL BIT(1)
-+#define SPIUSER_TRANSFER_QUAD BIT(2)
-+
-+#define SPIUSER_TRANSFER_TYPE(type) ( \
-+ (type << SPIUSER_ADDR_TYPE_OFFSET) | \
-+ (type << SPIUSER_MODE_TYPE_OFFSET) | \
-+ (type << SPIUSER_DUMMY_TYPE_OFFSET) | \
-+ (type << SPIUSER_DATA_TYPE_OFFSET) \
-+)
-+
-+/* SPIFIFOSTAT register bit field */
-+#define SPIFIFOSTAT_TXEMPTY BIT(19)
-+#define SPIFIFOSTAT_RXEMPTY BIT(18)
-+#define SPIFIFOSTAT_TXFULL BIT(17)
-+#define SPIFIFOSTAT_RXFULL BIT(16)
-+#define SPIFIFOSTAT_FIFO_MASK 0xff
-+#define SPIFIFOSTAT_TX_OFFSET 8
-+#define SPIFIFOSTAT_RX_OFFSET 0
-+
-+#define SPI_FIFO_DEPTH 16
-+
-+/* SPIMODE register bit field */
-+#define SPIMODE_MODE_OFFSET 24
-+#define SPIMODE_DUMMY_OFFSET 0
-+
-+/* SPIARB register bit field */
-+#define SPICTL_ARB_EN BIT(31)
-+#define SPICTL_CSCTL1 BIT(16)
-+#define SPI1_POR BIT(1)
-+#define SPI0_POR BIT(0)
-+
-+#define RT2880_SPI_MODE_BITS (SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST | \
-+ SPI_CS_HIGH)
-+
-+static atomic_t hw_reset_count = ATOMIC_INIT(0);
-+
-+struct rt2880_spi {
-+ struct spi_master *master;
-+ void __iomem *base;
-+ u32 speed;
-+ u16 wait_loops;
-+ u16 mode;
-+ struct clk *clk;
-+};
-+
-+static inline struct rt2880_spi *spidev_to_rt2880_spi(struct spi_device *spi)
-+{
-+ return spi_master_get_devdata(spi->master);
-+}
-+
-+static inline u32 rt2880_spi_read(struct rt2880_spi *rs, u32 reg)
-+{
-+ return ioread32(rs->base + reg);
-+}
-+
-+static inline void rt2880_spi_write(struct rt2880_spi *rs, u32 reg,
-+ const u32 val)
-+{
-+ iowrite32(val, rs->base + reg);
-+}
-+
-+static inline void rt2880_spi_setbits(struct rt2880_spi *rs, u32 reg, u32 mask)
-+{
-+ void __iomem *addr = rs->base + reg;
-+
-+ iowrite32((ioread32(addr) | mask), addr);
-+}
-+
-+static inline void rt2880_spi_clrbits(struct rt2880_spi *rs, u32 reg, u32 mask)
-+{
-+ void __iomem *addr = rs->base + reg;
-+
-+ iowrite32((ioread32(addr) & ~mask), addr);
-+}
-+
-+static u32 rt2880_spi_baudrate_get(struct spi_device *spi, unsigned int speed)
-+{
-+ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi);
-+ u32 rate;
-+ u32 prescale;
-+
-+ /*
-+ * the supported rates are: 2, 4, 8, ... 128
-+ * round up as we look for equal or less speed
-+ */
-+ rate = DIV_ROUND_UP(clk_get_rate(rs->clk), speed);
-+ rate = roundup_pow_of_two(rate);
-+
-+ /* Convert the rate to SPI clock divisor value. */
-+ prescale = ilog2(rate / 2);
-+
-+ /* some tolerance. double and add 100 */
-+ rs->wait_loops = (8 * HZ * loops_per_jiffy) /
-+ (clk_get_rate(rs->clk) / rate);
-+ rs->wait_loops = (rs->wait_loops << 1) + 100;
-+ rs->speed = speed;
-+
-+ dev_dbg(&spi->dev, "speed: %lu/%u, rate: %u, prescal: %u, loops: %hu\n",
-+ clk_get_rate(rs->clk) / rate, speed, rate, prescale,
-+ rs->wait_loops);
-+
-+ return prescale;
-+}
-+
-+static u32 get_arbiter_offset(struct spi_master *master)
-+{
-+ u32 offset;
-+
-+ offset = RAMIPS_SPI_ARBITER;
-+ if (master->bus_num == 1)
-+ offset -= RAMIPS_SPI_DEV_OFFSET;
-+
-+ return offset;
-+}
-+
-+static void rt2880_spi_set_cs(struct spi_device *spi, bool enable)
-+{
-+ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi);
-+
-+ if (enable)
-+ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA);
-+ else
-+ rt2880_spi_clrbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA);
-+}
-+
-+static int rt2880_spi_wait_ready(struct rt2880_spi *rs, int len)
-+{
-+ int loop = rs->wait_loops * len;
-+
-+ while ((rt2880_spi_read(rs, RAMIPS_SPI_STAT) & SPISTAT_BUSY) && --loop)
-+ cpu_relax();
-+
-+ if (loop)
-+ return 0;
-+
-+ return -ETIMEDOUT;
-+}
-+
-+static void rt2880_dump_reg(struct spi_master *master)
-+{
-+ struct rt2880_spi *rs = spi_master_get_devdata(master);
-+
-+ dev_dbg(&master->dev, "stat: %08x, cfg: %08x, ctl: %08x, " \
-+ "data: %08x, arb: %08x\n",
-+ rt2880_spi_read(rs, RAMIPS_SPI_STAT),
-+ rt2880_spi_read(rs, RAMIPS_SPI_CFG),
-+ rt2880_spi_read(rs, RAMIPS_SPI_CTL),
-+ rt2880_spi_read(rs, RAMIPS_SPI_DATA),
-+ rt2880_spi_read(rs, get_arbiter_offset(master)));
-+}
-+
-+static int rt2880_spi_transfer_one(struct spi_master *master,
-+ struct spi_device *spi, struct spi_transfer *xfer)
-+{
-+ struct rt2880_spi *rs = spi_master_get_devdata(master);
-+ unsigned len;
-+ const u8 *tx = xfer->tx_buf;
-+ u8 *rx = xfer->rx_buf;
-+ int err = 0;
-+
-+ /* change clock speed */
-+ if (unlikely(rs->speed != xfer->speed_hz)) {
-+ u32 reg;
-+ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG);
-+ reg &= ~SPICFG_SPICLK_PRESCALE_MASK;
-+ reg |= rt2880_spi_baudrate_get(spi, xfer->speed_hz);
-+ rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg);
-+ }
-+
-+ if (tx) {
-+ len = xfer->len;
-+ while (len-- > 0) {
-+ rt2880_spi_write(rs, RAMIPS_SPI_DATA, *tx++);
-+ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTWR);
-+ err = rt2880_spi_wait_ready(rs, 1);
-+ if (err) {
-+ dev_err(&spi->dev, "TX failed, err=%d\n", err);
-+ goto out;
-+ }
-+ }
-+ }
-+
-+ if (rx) {
-+ len = xfer->len;
-+ while (len-- > 0) {
-+ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTRD);
-+ err = rt2880_spi_wait_ready(rs, 1);
-+ if (err) {
-+ dev_err(&spi->dev, "RX failed, err=%d\n", err);
-+ goto out;
-+ }
-+ *rx++ = (u8) rt2880_spi_read(rs, RAMIPS_SPI_DATA);
-+ }
-+ }
-+
-+out:
-+ return err;
-+}
-+
-+/* copy from spi.c */
-+static void spi_set_cs(struct spi_device *spi, bool enable)
-+{
-+ if (spi->mode & SPI_CS_HIGH)
-+ enable = !enable;
-+
-+ if (spi->cs_gpiod)
-+ gpiod_set_value(spi->cs_gpiod, !enable);
-+ else if (spi->master->set_cs)
-+ spi->master->set_cs(spi, !enable);
-+}
-+
-+static int rt2880_spi_setup(struct spi_device *spi)
-+{
-+ struct spi_master *master = spi->master;
-+ struct rt2880_spi *rs = spi_master_get_devdata(master);
-+ u32 reg, old_reg, arbit_off;
-+
-+ if ((spi->max_speed_hz > master->max_speed_hz) ||
-+ (spi->max_speed_hz < master->min_speed_hz)) {
-+ dev_err(&spi->dev, "invalide requested speed %d Hz\n",
-+ spi->max_speed_hz);
-+ return -EINVAL;
-+ }
-+
-+ if (!(master->bits_per_word_mask &
-+ BIT(spi->bits_per_word - 1))) {
-+ dev_err(&spi->dev, "invalide bits_per_word %d\n",
-+ spi->bits_per_word);
-+ return -EINVAL;
-+ }
-+
-+ /* the hardware seems can't work on mode0 force it to mode3 */
-+ if ((spi->mode & (SPI_CPOL | SPI_CPHA)) == SPI_MODE_0) {
-+ dev_warn(&spi->dev, "force spi mode3\n");
-+ spi->mode |= SPI_MODE_3;
-+ }
-+
-+ /* chip polarity */
-+ arbit_off = get_arbiter_offset(master);
-+ reg = old_reg = rt2880_spi_read(rs, arbit_off);
-+ if (spi->mode & SPI_CS_HIGH) {
-+ switch (master->bus_num) {
-+ case 1:
-+ reg |= SPI1_POR;
-+ break;
-+ default:
-+ reg |= SPI0_POR;
-+ break;
-+ }
-+ } else {
-+ switch (master->bus_num) {
-+ case 1:
-+ reg &= ~SPI1_POR;
-+ break;
-+ default:
-+ reg &= ~SPI0_POR;
-+ break;
-+ }
-+ }
-+
-+ /* enable spi1 */
-+ if (master->bus_num == 1)
-+ reg |= SPICTL_ARB_EN;
-+
-+ if (reg != old_reg)
-+ rt2880_spi_write(rs, arbit_off, reg);
-+
-+ /* deselected the spi device */
-+ spi_set_cs(spi, false);
-+
-+ rt2880_dump_reg(master);
-+
-+ return 0;
-+}
-+
-+static int rt2880_spi_prepare_message(struct spi_master *master,
-+ struct spi_message *msg)
-+{
-+ struct rt2880_spi *rs = spi_master_get_devdata(master);
-+ struct spi_device *spi = msg->spi;
-+ u32 reg;
-+
-+ if ((rs->mode == spi->mode) && (rs->speed == spi->max_speed_hz))
-+ return 0;
-+
-+#if 0
-+ /* set spido to tri-state */
-+ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_HIZSDO);
-+#endif
-+
-+ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG);
-+
-+ reg &= ~(SPICFG_MSBFIRST | SPICFG_SPICLKPOL |
-+ SPICFG_RXCLKEDGE_FALLING |
-+ SPICFG_TXCLKEDGE_FALLING |
-+ SPICFG_SPICLK_PRESCALE_MASK);
-+
-+ /* MSB */
-+ if (!(spi->mode & SPI_LSB_FIRST))
-+ reg |= SPICFG_MSBFIRST;
-+
-+ /* spi mode */
-+ switch (spi->mode & (SPI_CPOL | SPI_CPHA)) {
-+ case SPI_MODE_0:
-+ reg |= SPICFG_TXCLKEDGE_FALLING;
-+ break;
-+ case SPI_MODE_1:
-+ reg |= SPICFG_RXCLKEDGE_FALLING;
-+ break;
-+ case SPI_MODE_2:
-+ reg |= SPICFG_SPICLKPOL | SPICFG_RXCLKEDGE_FALLING;
-+ break;
-+ case SPI_MODE_3:
-+ reg |= SPICFG_SPICLKPOL | SPICFG_TXCLKEDGE_FALLING;
-+ break;
-+ }
-+ rs->mode = spi->mode;
-+
-+#if 0
-+ /* set spiclk and spiena to tri-state */
-+ reg |= SPICFG_HIZSPI;
-+#endif
-+
-+ /* clock divide */
-+ reg |= rt2880_spi_baudrate_get(spi, spi->max_speed_hz);
-+
-+ rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg);
-+
-+ return 0;
-+}
-+
-+static int rt2880_spi_probe(struct platform_device *pdev)
-+{
-+ struct spi_master *master;
-+ struct rt2880_spi *rs;
-+ void __iomem *base;
-+ struct resource *r;
-+ struct clk *clk;
-+ int ret;
-+
-+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ base = devm_ioremap_resource(&pdev->dev, r);
-+ if (IS_ERR(base))
-+ return PTR_ERR(base);
-+
-+ clk = devm_clk_get(&pdev->dev, NULL);
-+ if (IS_ERR(clk)) {
-+ dev_err(&pdev->dev, "unable to get SYS clock\n");
-+ return PTR_ERR(clk);
-+ }
-+
-+ ret = clk_prepare_enable(clk);
-+ if (ret)
-+ goto err_clk;
-+
-+ master = spi_alloc_master(&pdev->dev, sizeof(*rs));
-+ if (master == NULL) {
-+ dev_dbg(&pdev->dev, "master allocation failed\n");
-+ ret = -ENOMEM;
-+ goto err_clk;
-+ }
-+
-+ master->dev.of_node = pdev->dev.of_node;
-+ master->mode_bits = RT2880_SPI_MODE_BITS;
-+ master->bits_per_word_mask = SPI_BPW_MASK(8);
-+ master->min_speed_hz = clk_get_rate(clk) / 128;
-+ master->max_speed_hz = clk_get_rate(clk) / 2;
-+ master->flags = SPI_MASTER_HALF_DUPLEX;
-+ master->setup = rt2880_spi_setup;
-+ master->prepare_message = rt2880_spi_prepare_message;
-+ master->set_cs = rt2880_spi_set_cs;
-+ master->transfer_one = rt2880_spi_transfer_one,
-+
-+ dev_set_drvdata(&pdev->dev, master);
-+
-+ rs = spi_master_get_devdata(master);
-+ rs->master = master;
-+ rs->base = base;
-+ rs->clk = clk;
-+
-+ if (atomic_inc_return(&hw_reset_count) == 1) {
-+ ret = device_reset(&pdev->dev);
-+ if (ret) {
-+ dev_err(&pdev->dev, "device_reset error.\n");
-+ goto err_master;
-+ }
-+ }
-+
-+ ret = devm_spi_register_master(&pdev->dev, master);
-+ if (ret < 0) {
-+ dev_err(&pdev->dev, "devm_spi_register_master error.\n");
-+ goto err_master;
-+ }
-+
-+ return ret;
-+
-+err_master:
-+ spi_master_put(master);
-+ kfree(master);
-+err_clk:
-+ clk_disable_unprepare(clk);
-+
-+ return ret;
-+}
-+
-+static int rt2880_spi_remove(struct platform_device *pdev)
-+{
-+ struct spi_master *master;
-+ struct rt2880_spi *rs;
-+
-+ master = dev_get_drvdata(&pdev->dev);
-+ rs = spi_master_get_devdata(master);
-+
-+ clk_disable_unprepare(rs->clk);
-+ atomic_dec(&hw_reset_count);
-+
-+ return 0;
-+}
-+
-+MODULE_ALIAS("platform:" DRIVER_NAME);
-+
-+static const struct of_device_id rt2880_spi_match[] = {
-+ { .compatible = "ralink,rt2880-spi" },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, rt2880_spi_match);
-+
-+static struct platform_driver rt2880_spi_driver = {
-+ .driver = {
-+ .name = DRIVER_NAME,
-+ .owner = THIS_MODULE,
-+ .of_match_table = rt2880_spi_match,
-+ },
-+ .probe = rt2880_spi_probe,
-+ .remove = rt2880_spi_remove,
-+};
-+
-+module_platform_driver(rt2880_spi_driver);
-+
-+MODULE_DESCRIPTION("Ralink SPI driver");
-+MODULE_AUTHOR("Sergiy <piratfm@gmail.com>");
-+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
-+MODULE_LICENSE("GPL");
+++ /dev/null
-From 723b8beaabf3c3c4b1ce69480141f1e926f3f3b2 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Sun, 27 Jul 2014 09:52:56 +0100
-Subject: [PATCH 44/53] i2c: MIPS: adds ralink I2C driver
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- .../devicetree/bindings/i2c/i2c-ralink.txt | 27 ++
- drivers/i2c/busses/Kconfig | 4 +
- drivers/i2c/busses/Makefile | 1 +
- drivers/i2c/busses/i2c-ralink.c | 327 ++++++++++++++++++++
- 4 files changed, 359 insertions(+)
- create mode 100644 Documentation/devicetree/bindings/i2c/i2c-ralink.txt
- create mode 100644 drivers/i2c/busses/i2c-ralink.c
-
---- /dev/null
-+++ b/Documentation/devicetree/bindings/i2c/i2c-ralink.txt
-@@ -0,0 +1,27 @@
-+I2C for Ralink platforms
-+
-+Required properties :
-+- compatible : Must be "link,rt3052-i2c"
-+- reg: physical base address of the controller and length of memory mapped
-+ region.
-+- #address-cells = <1>;
-+- #size-cells = <0>;
-+
-+Optional properties:
-+- Child nodes conforming to i2c bus binding
-+
-+Example :
-+
-+palmbus@10000000 {
-+ i2c@900 {
-+ compatible = "link,rt3052-i2c";
-+ reg = <0x900 0x100>;
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+
-+ hwmon@4b {
-+ compatible = "national,lm92";
-+ reg = <0x4b>;
-+ };
-+ };
-+};
---- a/drivers/i2c/busses/Kconfig
-+++ b/drivers/i2c/busses/Kconfig
-@@ -998,6 +998,11 @@ config I2C_RK3X
- This driver can also be built as a module. If so, the module will
- be called i2c-rk3x.
-
-+config I2C_RALINK
-+ tristate "Ralink I2C Controller"
-+ depends on RALINK && !SOC_MT7621
-+ select OF_I2C
-+
- config I2C_RZV2M
- tristate "Renesas RZ/V2M adapter"
- depends on ARCH_RENESAS || COMPILE_TEST
---- a/drivers/i2c/busses/Makefile
-+++ b/drivers/i2c/busses/Makefile
-@@ -95,6 +95,7 @@ obj-$(CONFIG_I2C_PCA_PLATFORM) += i2c-pc
- obj-$(CONFIG_I2C_PNX) += i2c-pnx.o
- obj-$(CONFIG_I2C_PXA) += i2c-pxa.o
- obj-$(CONFIG_I2C_PXA_PCI) += i2c-pxa-pci.o
-+obj-$(CONFIG_I2C_RALINK) += i2c-ralink.o
- obj-$(CONFIG_I2C_QCOM_CCI) += i2c-qcom-cci.o
- obj-$(CONFIG_I2C_QCOM_GENI) += i2c-qcom-geni.o
- obj-$(CONFIG_I2C_QUP) += i2c-qup.o
---- /dev/null
-+++ b/drivers/i2c/busses/i2c-ralink.c
-@@ -0,0 +1,440 @@
-+/*
-+ * drivers/i2c/busses/i2c-ralink.c
-+ *
-+ * Copyright (C) 2013 Steven Liu <steven_liu@mediatek.com>
-+ * Copyright (C) 2016 Michael Lee <igvtee@gmail.com>
-+ *
-+ * Improve driver for i2cdetect from i2c-tools to detect i2c devices on the bus.
-+ * (C) 2014 Sittisak <sittisaks@hotmail.com>
-+ *
-+ * This software is licensed under the terms of the GNU General Public
-+ * License version 2, as published by the Free Software Foundation, and
-+ * may be copied, distributed, and modified under those terms.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ */
-+
-+#include <linux/interrupt.h>
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/reset.h>
-+#include <linux/delay.h>
-+#include <linux/slab.h>
-+#include <linux/init.h>
-+#include <linux/errno.h>
-+#include <linux/platform_device.h>
-+#include <linux/of_platform.h>
-+#include <linux/i2c.h>
-+#include <linux/io.h>
-+#include <linux/err.h>
-+#include <linux/clk.h>
-+
-+#define REG_CONFIG_REG 0x00
-+#define REG_CLKDIV_REG 0x04
-+#define REG_DEVADDR_REG 0x08
-+#define REG_ADDR_REG 0x0C
-+#define REG_DATAOUT_REG 0x10
-+#define REG_DATAIN_REG 0x14
-+#define REG_STATUS_REG 0x18
-+#define REG_STARTXFR_REG 0x1C
-+#define REG_BYTECNT_REG 0x20
-+
-+/* REG_CONFIG_REG */
-+#define I2C_ADDRLEN_OFFSET 5
-+#define I2C_DEVADLEN_OFFSET 2
-+#define I2C_ADDRLEN_MASK 0x3
-+#define I2C_ADDR_DIS BIT(1)
-+#define I2C_DEVADDR_DIS BIT(0)
-+#define I2C_ADDRLEN_8 (7 << I2C_ADDRLEN_OFFSET)
-+#define I2C_DEVADLEN_7 (6 << I2C_DEVADLEN_OFFSET)
-+#define I2C_CONF_DEFAULT (I2C_ADDRLEN_8 | I2C_DEVADLEN_7)
-+
-+/* REG_CLKDIV_REG */
-+#define I2C_CLKDIV_MASK 0xffff
-+
-+/* REG_DEVADDR_REG */
-+#define I2C_DEVADDR_MASK 0x7f
-+
-+/* REG_ADDR_REG */
-+#define I2C_ADDR_MASK 0xff
-+
-+/* REG_STATUS_REG */
-+#define I2C_STARTERR BIT(4)
-+#define I2C_ACKERR BIT(3)
-+#define I2C_DATARDY BIT(2)
-+#define I2C_SDOEMPTY BIT(1)
-+#define I2C_BUSY BIT(0)
-+
-+/* REG_STARTXFR_REG */
-+#define NOSTOP_CMD BIT(2)
-+#define NODATA_CMD BIT(1)
-+#define READ_CMD BIT(0)
-+
-+/* REG_BYTECNT_REG */
-+#define BYTECNT_MAX 64
-+#define SET_BYTECNT(x) (x - 1)
-+
-+/* timeout waiting for I2C devices to respond (clock streching) */
-+#define TIMEOUT_MS 1000
-+#define DELAY_INTERVAL_US 100
-+
-+struct rt_i2c {
-+ void __iomem *base;
-+ struct clk *clk;
-+ struct device *dev;
-+ struct i2c_adapter adap;
-+ u32 cur_clk;
-+ u32 clk_div;
-+ u32 flags;
-+};
-+
-+static void rt_i2c_w32(struct rt_i2c *i2c, u32 val, unsigned reg)
-+{
-+ iowrite32(val, i2c->base + reg);
-+}
-+
-+static u32 rt_i2c_r32(struct rt_i2c *i2c, unsigned reg)
-+{
-+ return ioread32(i2c->base + reg);
-+}
-+
-+static int poll_down_timeout(void __iomem *addr, u32 mask)
-+{
-+ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS);
-+
-+ do {
-+ if (!(readl_relaxed(addr) & mask))
-+ return 0;
-+
-+ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50);
-+ } while (time_before(jiffies, timeout));
-+
-+ return (readl_relaxed(addr) & mask) ? -EAGAIN : 0;
-+}
-+
-+static int rt_i2c_wait_idle(struct rt_i2c *i2c)
-+{
-+ int ret;
-+
-+ ret = poll_down_timeout(i2c->base + REG_STATUS_REG, I2C_BUSY);
-+ if (ret < 0)
-+ dev_dbg(i2c->dev, "idle err(%d)\n", ret);
-+
-+ return ret;
-+}
-+
-+static int poll_up_timeout(void __iomem *addr, u32 mask)
-+{
-+ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS);
-+ u32 status;
-+
-+ do {
-+ status = readl_relaxed(addr);
-+
-+ /* check error status */
-+ if (status & I2C_STARTERR)
-+ return -EAGAIN;
-+ else if (status & I2C_ACKERR)
-+ return -ENXIO;
-+ else if (status & mask)
-+ return 0;
-+
-+ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50);
-+ } while (time_before(jiffies, timeout));
-+
-+ return -ETIMEDOUT;
-+}
-+
-+static int rt_i2c_wait_rx_done(struct rt_i2c *i2c)
-+{
-+ int ret;
-+
-+ ret = poll_up_timeout(i2c->base + REG_STATUS_REG, I2C_DATARDY);
-+ if (ret < 0)
-+ dev_dbg(i2c->dev, "rx err(%d)\n", ret);
-+
-+ return ret;
-+}
-+
-+static int rt_i2c_wait_tx_done(struct rt_i2c *i2c)
-+{
-+ int ret;
-+
-+ ret = poll_up_timeout(i2c->base + REG_STATUS_REG, I2C_SDOEMPTY);
-+ if (ret < 0)
-+ dev_dbg(i2c->dev, "tx err(%d)\n", ret);
-+
-+ return ret;
-+}
-+
-+static void rt_i2c_reset(struct rt_i2c *i2c)
-+{
-+ int ret;
-+
-+ ret = device_reset(i2c->adap.dev.parent);
-+ if (ret)
-+ dev_err(i2c->dev, "Failed to reset device");
-+
-+ barrier();
-+ rt_i2c_w32(i2c, i2c->clk_div, REG_CLKDIV_REG);
-+}
-+
-+static void rt_i2c_dump_reg(struct rt_i2c *i2c)
-+{
-+ dev_dbg(i2c->dev, "conf %08x, clkdiv %08x, devaddr %08x, " \
-+ "addr %08x, dataout %08x, datain %08x, " \
-+ "status %08x, startxfr %08x, bytecnt %08x\n",
-+ rt_i2c_r32(i2c, REG_CONFIG_REG),
-+ rt_i2c_r32(i2c, REG_CLKDIV_REG),
-+ rt_i2c_r32(i2c, REG_DEVADDR_REG),
-+ rt_i2c_r32(i2c, REG_ADDR_REG),
-+ rt_i2c_r32(i2c, REG_DATAOUT_REG),
-+ rt_i2c_r32(i2c, REG_DATAIN_REG),
-+ rt_i2c_r32(i2c, REG_STATUS_REG),
-+ rt_i2c_r32(i2c, REG_STARTXFR_REG),
-+ rt_i2c_r32(i2c, REG_BYTECNT_REG));
-+}
-+
-+static int rt_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
-+ int num)
-+{
-+ struct rt_i2c *i2c;
-+ struct i2c_msg *pmsg;
-+ unsigned char addr;
-+ int i, j, ret;
-+ u32 cmd;
-+
-+ i2c = i2c_get_adapdata(adap);
-+
-+ for (i = 0; i < num; i++) {
-+ pmsg = &msgs[i];
-+ if (i == (num - 1))
-+ cmd = 0;
-+ else
-+ cmd = NOSTOP_CMD;
-+
-+ dev_dbg(i2c->dev, "addr: 0x%x, len: %d, flags: 0x%x, stop: %d\n",
-+ pmsg->addr, pmsg->len, pmsg->flags,
-+ (cmd == 0)? 1 : 0);
-+
-+ /* wait hardware idle */
-+ if ((ret = rt_i2c_wait_idle(i2c)))
-+ goto err_timeout;
-+
-+ if (pmsg->flags & I2C_M_TEN) {
-+ rt_i2c_w32(i2c, I2C_CONF_DEFAULT, REG_CONFIG_REG);
-+ /* 10 bits address */
-+ addr = 0x78 | ((pmsg->addr >> 8) & 0x03);
-+ rt_i2c_w32(i2c, addr & I2C_DEVADDR_MASK,
-+ REG_DEVADDR_REG);
-+ rt_i2c_w32(i2c, pmsg->addr & I2C_ADDR_MASK,
-+ REG_ADDR_REG);
-+ } else {
-+ rt_i2c_w32(i2c, I2C_CONF_DEFAULT | I2C_ADDR_DIS,
-+ REG_CONFIG_REG);
-+ /* 7 bits address */
-+ rt_i2c_w32(i2c, pmsg->addr & I2C_DEVADDR_MASK,
-+ REG_DEVADDR_REG);
-+ }
-+
-+ /* buffer length */
-+ if (pmsg->len == 0)
-+ cmd |= NODATA_CMD;
-+ else
-+ rt_i2c_w32(i2c, SET_BYTECNT(pmsg->len),
-+ REG_BYTECNT_REG);
-+
-+ j = 0;
-+ if (pmsg->flags & I2C_M_RD) {
-+ cmd |= READ_CMD;
-+ /* start transfer */
-+ barrier();
-+ rt_i2c_w32(i2c, cmd, REG_STARTXFR_REG);
-+ do {
-+ /* wait */
-+ if ((ret = rt_i2c_wait_rx_done(i2c)))
-+ goto err_timeout;
-+ /* read data */
-+ if (pmsg->len)
-+ pmsg->buf[j] = rt_i2c_r32(i2c,
-+ REG_DATAIN_REG);
-+ j++;
-+ } while (j < pmsg->len);
-+ } else {
-+ do {
-+ /* write data */
-+ if (pmsg->len)
-+ rt_i2c_w32(i2c, pmsg->buf[j],
-+ REG_DATAOUT_REG);
-+ /* start transfer */
-+ if (j == 0) {
-+ barrier();
-+ rt_i2c_w32(i2c, cmd, REG_STARTXFR_REG);
-+ }
-+ /* wait */
-+ if ((ret = rt_i2c_wait_tx_done(i2c)))
-+ goto err_timeout;
-+ j++;
-+ } while (j < pmsg->len);
-+ }
-+ }
-+ /* the return value is number of executed messages */
-+ ret = i;
-+
-+ return ret;
-+
-+err_timeout:
-+ rt_i2c_dump_reg(i2c);
-+ rt_i2c_reset(i2c);
-+ return ret;
-+}
-+
-+static u32 rt_i2c_func(struct i2c_adapter *a)
-+{
-+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
-+}
-+
-+static const struct i2c_algorithm rt_i2c_algo = {
-+ .master_xfer = rt_i2c_master_xfer,
-+ .functionality = rt_i2c_func,
-+};
-+
-+static const struct of_device_id i2c_rt_dt_ids[] = {
-+ { .compatible = "ralink,rt2880-i2c" },
-+ { /* sentinel */ }
-+};
-+
-+MODULE_DEVICE_TABLE(of, i2c_rt_dt_ids);
-+
-+static struct i2c_adapter_quirks rt_i2c_quirks = {
-+ .max_write_len = BYTECNT_MAX,
-+ .max_read_len = BYTECNT_MAX,
-+};
-+
-+static int rt_i2c_init(struct rt_i2c *i2c)
-+{
-+ u32 reg;
-+
-+ /* i2c_sclk = periph_clk / ((2 * clk_div) + 5) */
-+ i2c->clk_div = (clk_get_rate(i2c->clk) - (5 * i2c->cur_clk)) /
-+ (2 * i2c->cur_clk);
-+ if (i2c->clk_div < 8)
-+ i2c->clk_div = 8;
-+ if (i2c->clk_div > I2C_CLKDIV_MASK)
-+ i2c->clk_div = I2C_CLKDIV_MASK;
-+
-+ /* check support combinde/repeated start message */
-+ rt_i2c_w32(i2c, NOSTOP_CMD, REG_STARTXFR_REG);
-+ reg = rt_i2c_r32(i2c, REG_STARTXFR_REG) & NOSTOP_CMD;
-+
-+ rt_i2c_reset(i2c);
-+
-+ return reg;
-+}
-+
-+static int rt_i2c_probe(struct platform_device *pdev)
-+{
-+ struct resource *res;
-+ struct rt_i2c *i2c;
-+ struct i2c_adapter *adap;
-+ const struct of_device_id *match;
-+ int ret, restart;
-+
-+ match = of_match_device(i2c_rt_dt_ids, &pdev->dev);
-+
-+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!res) {
-+ dev_err(&pdev->dev, "no memory resource found\n");
-+ return -ENODEV;
-+ }
-+
-+ i2c = devm_kzalloc(&pdev->dev, sizeof(struct rt_i2c), GFP_KERNEL);
-+ if (!i2c) {
-+ dev_err(&pdev->dev, "failed to allocate i2c_adapter\n");
-+ return -ENOMEM;
-+ }
-+
-+ i2c->base = devm_ioremap_resource(&pdev->dev, res);
-+ if (IS_ERR(i2c->base))
-+ return PTR_ERR(i2c->base);
-+
-+ i2c->clk = devm_clk_get(&pdev->dev, NULL);
-+ if (IS_ERR(i2c->clk)) {
-+ dev_err(&pdev->dev, "no clock defined\n");
-+ return -ENODEV;
-+ }
-+ clk_prepare_enable(i2c->clk);
-+ i2c->dev = &pdev->dev;
-+
-+ if (of_property_read_u32(pdev->dev.of_node,
-+ "clock-frequency", &i2c->cur_clk))
-+ i2c->cur_clk = 100000;
-+
-+ adap = &i2c->adap;
-+ adap->owner = THIS_MODULE;
-+ adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
-+ adap->algo = &rt_i2c_algo;
-+ adap->retries = 3;
-+ adap->dev.parent = &pdev->dev;
-+ i2c_set_adapdata(adap, i2c);
-+ adap->dev.of_node = pdev->dev.of_node;
-+ strlcpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name));
-+ adap->quirks = &rt_i2c_quirks;
-+
-+ platform_set_drvdata(pdev, i2c);
-+
-+ restart = rt_i2c_init(i2c);
-+
-+ ret = i2c_add_adapter(adap);
-+ if (ret < 0) {
-+ dev_err(&pdev->dev, "failed to add adapter\n");
-+ clk_disable_unprepare(i2c->clk);
-+ return ret;
-+ }
-+
-+ dev_info(&pdev->dev, "clock %uKHz, re-start %ssupport\n",
-+ i2c->cur_clk/1000, restart ? "" : "not ");
-+
-+ return ret;
-+}
-+
-+static int rt_i2c_remove(struct platform_device *pdev)
-+{
-+ struct rt_i2c *i2c = platform_get_drvdata(pdev);
-+
-+ i2c_del_adapter(&i2c->adap);
-+ clk_disable_unprepare(i2c->clk);
-+
-+ return 0;
-+}
-+
-+static struct platform_driver rt_i2c_driver = {
-+ .probe = rt_i2c_probe,
-+ .remove = rt_i2c_remove,
-+ .driver = {
-+ .owner = THIS_MODULE,
-+ .name = "i2c-ralink",
-+ .of_match_table = i2c_rt_dt_ids,
-+ },
-+};
-+
-+static int __init i2c_rt_init (void)
-+{
-+ return platform_driver_register(&rt_i2c_driver);
-+}
-+subsys_initcall(i2c_rt_init);
-+
-+static void __exit i2c_rt_exit (void)
-+{
-+ platform_driver_unregister(&rt_i2c_driver);
-+}
-+module_exit(i2c_rt_exit);
-+
-+MODULE_AUTHOR("Steven Liu <steven_liu@mediatek.com>");
-+MODULE_DESCRIPTION("Ralink I2c host driver");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("platform:Ralink-I2C");
+++ /dev/null
-From 23147af14531cbdada194b94120ef8774f46292d Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Thu, 13 Nov 2014 19:08:40 +0100
-Subject: [PATCH 46/53] mmc: MIPS: ralink: add sdhci for mt7620a SoC
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- drivers/mmc/host/Kconfig | 2 +
- drivers/mmc/host/Makefile | 1 +
- drivers/mmc/host/mtk-mmc/Kconfig | 16 +
- drivers/mmc/host/mtk-mmc/Makefile | 42 +
- drivers/mmc/host/mtk-mmc/board.h | 137 ++
- drivers/mmc/host/mtk-mmc/dbg.c | 347 ++++
- drivers/mmc/host/mtk-mmc/dbg.h | 156 ++
- drivers/mmc/host/mtk-mmc/mt6575_sd.h | 1001 +++++++++++
- drivers/mmc/host/mtk-mmc/sd.c | 3060 ++++++++++++++++++++++++++++++++++
- 9 files changed, 4762 insertions(+)
- create mode 100644 drivers/mmc/host/mtk-mmc/Kconfig
- create mode 100644 drivers/mmc/host/mtk-mmc/Makefile
- create mode 100644 drivers/mmc/host/mtk-mmc/board.h
- create mode 100644 drivers/mmc/host/mtk-mmc/dbg.c
- create mode 100644 drivers/mmc/host/mtk-mmc/dbg.h
- create mode 100644 drivers/mmc/host/mtk-mmc/mt6575_sd.h
- create mode 100644 drivers/mmc/host/mtk-mmc/sd.c
-
---- a/drivers/mmc/host/Kconfig
-+++ b/drivers/mmc/host/Kconfig
-@@ -1102,6 +1102,8 @@ config MMC_OWL
- config MMC_SDHCI_EXTERNAL_DMA
- bool
-
-+source "drivers/mmc/host/mtk-mmc/Kconfig"
-+
- config MMC_LITEX
- tristate "LiteX MMC Host Controller support"
- depends on ((PPC_MICROWATT || LITEX) && OF && HAVE_CLK) || COMPILE_TEST
---- a/drivers/mmc/host/Makefile
-+++ b/drivers/mmc/host/Makefile
-@@ -3,6 +3,7 @@
- # Makefile for MMC/SD host controller drivers
- #
-
-+obj-$(CONFIG_MTK_MMC) += mtk-mmc/
- obj-$(CONFIG_MMC_ARMMMCI) += armmmci.o
- armmmci-y := mmci.o
- armmmci-$(CONFIG_MMC_QCOM_DML) += mmci_qcom_dml.o
+++ /dev/null
-From 7f29222b1731e8182ba94a331531dec18865a1e4 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Sun, 27 Jul 2014 09:31:47 +0100
-Subject: [PATCH 48/53] asoc: add mt7620 support
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/ralink/of.c | 2 +
- sound/soc/Kconfig | 1 +
- sound/soc/Makefile | 1 +
- sound/soc/ralink/Kconfig | 15 ++
- sound/soc/ralink/Makefile | 11 +
- sound/soc/ralink/mt7620-i2s.c | 436 ++++++++++++++++++++++++++++++++++++++
- sound/soc/ralink/mt7620-wm8960.c | 233 ++++++++++++++++++++
- 7 files changed, 699 insertions(+)
- create mode 100644 sound/soc/ralink/Kconfig
- create mode 100644 sound/soc/ralink/Makefile
- create mode 100644 sound/soc/ralink/mt7620-i2s.c
- create mode 100644 sound/soc/ralink/mt7620-wm8960.c
-
---- a/sound/soc/Kconfig
-+++ b/sound/soc/Kconfig
-@@ -86,6 +86,7 @@ source "sound/soc/mxs/Kconfig"
- source "sound/soc/pxa/Kconfig"
- source "sound/soc/qcom/Kconfig"
- source "sound/soc/rockchip/Kconfig"
-+source "sound/soc/ralink/Kconfig"
- source "sound/soc/samsung/Kconfig"
- source "sound/soc/sh/Kconfig"
- source "sound/soc/sof/Kconfig"
---- a/sound/soc/Makefile
-+++ b/sound/soc/Makefile
-@@ -54,6 +54,7 @@ obj-$(CONFIG_SND_SOC) += kirkwood/
- obj-$(CONFIG_SND_SOC) += pxa/
- obj-$(CONFIG_SND_SOC) += qcom/
- obj-$(CONFIG_SND_SOC) += rockchip/
-+obj-$(CONFIG_SND_SOC) += ralink/
- obj-$(CONFIG_SND_SOC) += samsung/
- obj-$(CONFIG_SND_SOC) += sh/
- obj-$(CONFIG_SND_SOC) += sof/
---- /dev/null
-+++ b/sound/soc/ralink/Kconfig
-@@ -0,0 +1,8 @@
-+config SND_RALINK_SOC_I2S
-+ depends on RALINK && SND_SOC && !SOC_RT288X
-+ select SND_SOC_GENERIC_DMAENGINE_PCM
-+ select REGMAP_MMIO
-+ tristate "SoC Audio (I2S protocol) for Ralink SoC"
-+ help
-+ Say Y if you want to use I2S protocol and I2S codec on Ralink/MediaTek
-+ based boards.
---- /dev/null
-+++ b/sound/soc/ralink/Makefile
-@@ -0,0 +1,6 @@
-+#
-+# Ralink/MediaTek Platform Support
-+#
-+snd-soc-ralink-i2s-objs := ralink-i2s.o
-+
-+obj-$(CONFIG_SND_RALINK_SOC_I2S) += snd-soc-ralink-i2s.o
---- /dev/null
-+++ b/sound/soc/ralink/ralink-i2s.c
-@@ -0,0 +1,968 @@
-+/*
-+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
-+ * Copyright (C) 2016 Michael Lee <igvtee@gmail.com>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2 of the License, or (at your
-+ * option) any later version.
-+ *
-+ * You should have received a copy of the GNU General Public License along
-+ * with this program; if not, write to the Free Software Foundation, Inc.,
-+ * 675 Mass Ave, Cambridge, MA 02139, USA.
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+#include <linux/clk.h>
-+#include <linux/regmap.h>
-+#include <linux/reset.h>
-+#include <linux/debugfs.h>
-+#include <linux/of_device.h>
-+#include <sound/pcm_params.h>
-+#include <sound/dmaengine_pcm.h>
-+
-+#include <asm/mach-ralink/ralink_regs.h>
-+
-+#define DRV_NAME "ralink-i2s"
-+
-+#define I2S_REG_CFG0 0x00
-+#define I2S_REG_INT_STATUS 0x04
-+#define I2S_REG_INT_EN 0x08
-+#define I2S_REG_FF_STATUS 0x0c
-+#define I2S_REG_WREG 0x10
-+#define I2S_REG_RREG 0x14
-+#define I2S_REG_CFG1 0x18
-+#define I2S_REG_DIVCMP 0x20
-+#define I2S_REG_DIVINT 0x24
-+
-+/* I2S_REG_CFG0 */
-+#define I2S_REG_CFG0_EN BIT(31)
-+#define I2S_REG_CFG0_DMA_EN BIT(30)
-+#define I2S_REG_CFG0_BYTE_SWAP BIT(28)
-+#define I2S_REG_CFG0_TX_EN BIT(24)
-+#define I2S_REG_CFG0_RX_EN BIT(20)
-+#define I2S_REG_CFG0_SLAVE BIT(16)
-+#define I2S_REG_CFG0_RX_THRES 12
-+#define I2S_REG_CFG0_TX_THRES 4
-+#define I2S_REG_CFG0_THRES_MASK (0xf << I2S_REG_CFG0_RX_THRES) | \
-+ (4 << I2S_REG_CFG0_TX_THRES)
-+#define I2S_REG_CFG0_DFT_THRES (4 << I2S_REG_CFG0_RX_THRES) | \
-+ (4 << I2S_REG_CFG0_TX_THRES)
-+/* RT305x */
-+#define I2S_REG_CFG0_CLK_DIS BIT(8)
-+#define I2S_REG_CFG0_TXCH_SWAP BIT(3)
-+#define I2S_REG_CFG0_TXCH1_OFF BIT(2)
-+#define I2S_REG_CFG0_TXCH0_OFF BIT(1)
-+#define I2S_REG_CFG0_SLAVE_EN BIT(0)
-+/* RT3883 */
-+#define I2S_REG_CFG0_RXCH_SWAP BIT(11)
-+#define I2S_REG_CFG0_RXCH1_OFF BIT(10)
-+#define I2S_REG_CFG0_RXCH0_OFF BIT(9)
-+#define I2S_REG_CFG0_WS_INV BIT(0)
-+/* MT7628 */
-+#define I2S_REG_CFG0_FMT_LE BIT(29)
-+#define I2S_REG_CFG0_SYS_BE BIT(28)
-+#define I2S_REG_CFG0_NORM_24 BIT(18)
-+#define I2S_REG_CFG0_DATA_24 BIT(17)
-+
-+/* I2S_REG_INT_STATUS */
-+#define I2S_REG_INT_RX_FAULT BIT(7)
-+#define I2S_REG_INT_RX_OVRUN BIT(6)
-+#define I2S_REG_INT_RX_UNRUN BIT(5)
-+#define I2S_REG_INT_RX_THRES BIT(4)
-+#define I2S_REG_INT_TX_FAULT BIT(3)
-+#define I2S_REG_INT_TX_OVRUN BIT(2)
-+#define I2S_REG_INT_TX_UNRUN BIT(1)
-+#define I2S_REG_INT_TX_THRES BIT(0)
-+#define I2S_REG_INT_TX_MASK 0xf
-+#define I2S_REG_INT_RX_MASK 0xf0
-+
-+/* I2S_REG_INT_STATUS */
-+#define I2S_RX_AVCNT(x) ((x >> 4) & 0xf)
-+#define I2S_TX_AVCNT(x) (x & 0xf)
-+/* MT7628 */
-+#define MT7628_I2S_RX_AVCNT(x) ((x >> 8) & 0x1f)
-+#define MT7628_I2S_TX_AVCNT(x) (x & 0x1f)
-+
-+/* I2S_REG_CFG1 */
-+#define I2S_REG_CFG1_LBK BIT(31)
-+#define I2S_REG_CFG1_EXTLBK BIT(30)
-+/* RT3883 */
-+#define I2S_REG_CFG1_LEFT_J BIT(0)
-+#define I2S_REG_CFG1_RIGHT_J BIT(1)
-+#define I2S_REG_CFG1_FMT_MASK 0x3
-+
-+/* I2S_REG_DIVCMP */
-+#define I2S_REG_DIVCMP_CLKEN BIT(31)
-+#define I2S_REG_DIVCMP_DIVCOMP_MASK 0x1ff
-+
-+/* I2S_REG_DIVINT */
-+#define I2S_REG_DIVINT_MASK 0x3ff
-+
-+/* BCLK dividers */
-+#define RALINK_I2S_DIVCMP 0
-+#define RALINK_I2S_DIVINT 1
-+
-+/* FIFO */
-+#define RALINK_I2S_FIFO_SIZE 32
-+
-+/* feature flags */
-+#define RALINK_FLAGS_TXONLY BIT(0)
-+#define RALINK_FLAGS_LEFT_J BIT(1)
-+#define RALINK_FLAGS_RIGHT_J BIT(2)
-+#define RALINK_FLAGS_ENDIAN BIT(3)
-+#define RALINK_FLAGS_24BIT BIT(4)
-+
-+#define RALINK_I2S_INT_EN 0
-+
-+struct ralink_i2s_stats {
-+ u32 dmafault;
-+ u32 overrun;
-+ u32 underrun;
-+ u32 belowthres;
-+};
-+
-+struct ralink_i2s {
-+ struct device *dev;
-+ void __iomem *regs;
-+ struct clk *clk;
-+ struct regmap *regmap;
-+ u32 flags;
-+ unsigned int fmt;
-+ u16 txdma_req;
-+ u16 rxdma_req;
-+
-+ struct snd_dmaengine_dai_dma_data playback_dma_data;
-+ struct snd_dmaengine_dai_dma_data capture_dma_data;
-+
-+ struct dentry *dbg_dir;
-+ struct dentry *dbg_stats;
-+ struct ralink_i2s_stats txstats;
-+ struct ralink_i2s_stats rxstats;
-+};
-+
-+static void ralink_i2s_dump_regs(struct ralink_i2s *i2s)
-+{
-+ u32 buf[10];
-+ int ret;
-+
-+ ret = regmap_bulk_read(i2s->regmap, I2S_REG_CFG0,
-+ buf, ARRAY_SIZE(buf));
-+
-+ dev_dbg(i2s->dev, "CFG0: %08x, INTSTAT: %08x, INTEN: %08x, " \
-+ "FFSTAT: %08x, WREG: %08x, RREG: %08x, " \
-+ "CFG1: %08x, DIVCMP: %08x, DIVINT: %08x\n",
-+ buf[0], buf[1], buf[2], buf[3], buf[4],
-+ buf[5], buf[6], buf[8], buf[9]);
-+}
-+
-+static int ralink_i2s_set_sysclk(struct snd_soc_dai *dai,
-+ int clk_id, unsigned int freq, int dir)
-+{
-+ return 0;
-+}
-+
-+static int ralink_i2s_set_sys_bclk(struct snd_soc_dai *dai, int width, int rate)
-+{
-+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ unsigned long clk = clk_get_rate(i2s->clk);
-+ int div;
-+ uint32_t data;
-+
-+ /* disable clock at slave mode */
-+ if ((i2s->fmt & SND_SOC_DAIFMT_MASTER_MASK) ==
-+ SND_SOC_DAIFMT_CBM_CFM) {
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_CLK_DIS,
-+ I2S_REG_CFG0_CLK_DIS);
-+ return 0;
-+ }
-+
-+ /* FREQOUT = FREQIN / (I2S_CLK_DIV + 1) */
-+ div = (clk / rate ) - 1;
-+
-+ data = rt_sysc_r32(0x30);
-+ data &= (0xff << 8);
-+ data |= (0x1 << 15) | (div << 8);
-+ rt_sysc_w32(data, 0x30);
-+
-+ /* enable clock */
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, I2S_REG_CFG0_CLK_DIS, 0);
-+
-+ dev_dbg(i2s->dev, "clk: %lu, rate: %u, div: %d\n",
-+ clk, rate, div);
-+
-+ return 0;
-+}
-+
-+static int ralink_i2s_set_bclk(struct snd_soc_dai *dai, int width, int rate)
-+{
-+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ unsigned long clk = clk_get_rate(i2s->clk);
-+ int divint, divcomp;
-+
-+ /* disable clock at slave mode */
-+ if ((i2s->fmt & SND_SOC_DAIFMT_MASTER_MASK) ==
-+ SND_SOC_DAIFMT_CBM_CFM) {
-+ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP,
-+ I2S_REG_DIVCMP_CLKEN, 0);
-+ return 0;
-+ }
-+
-+ /* FREQOUT = FREQIN * (1/2) * (1/(DIVINT + DIVCOMP/512)) */
-+ clk = clk / (2 * 2 * width);
-+ divint = clk / rate;
-+ divcomp = ((clk % rate) * 512) / rate;
-+
-+ if ((divint > I2S_REG_DIVINT_MASK) ||
-+ (divcomp > I2S_REG_DIVCMP_DIVCOMP_MASK))
-+ return -EINVAL;
-+
-+ regmap_update_bits(i2s->regmap, I2S_REG_DIVINT,
-+ I2S_REG_DIVINT_MASK, divint);
-+ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP,
-+ I2S_REG_DIVCMP_DIVCOMP_MASK, divcomp);
-+
-+ /* enable clock */
-+ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP, I2S_REG_DIVCMP_CLKEN,
-+ I2S_REG_DIVCMP_CLKEN);
-+
-+ dev_dbg(i2s->dev, "clk: %lu, rate: %u, int: %d, comp: %d\n",
-+ clk_get_rate(i2s->clk), rate, divint, divcomp);
-+
-+ return 0;
-+}
-+
-+static int ralink_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
-+{
-+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ unsigned int cfg0 = 0, cfg1 = 0;
-+
-+ /* set master/slave audio interface */
-+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-+ case SND_SOC_DAIFMT_CBM_CFM:
-+ if (i2s->flags & RALINK_FLAGS_TXONLY)
-+ cfg0 |= I2S_REG_CFG0_SLAVE_EN;
-+ else
-+ cfg0 |= I2S_REG_CFG0_SLAVE;
-+ break;
-+ case SND_SOC_DAIFMT_CBS_CFS:
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ /* interface format */
-+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
-+ case SND_SOC_DAIFMT_I2S:
-+ break;
-+ case SND_SOC_DAIFMT_RIGHT_J:
-+ if (i2s->flags & RALINK_FLAGS_RIGHT_J) {
-+ cfg1 |= I2S_REG_CFG1_RIGHT_J;
-+ break;
-+ }
-+ return -EINVAL;
-+ case SND_SOC_DAIFMT_LEFT_J:
-+ if (i2s->flags & RALINK_FLAGS_LEFT_J) {
-+ cfg1 |= I2S_REG_CFG1_LEFT_J;
-+ break;
-+ }
-+ return -EINVAL;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ /* clock inversion */
-+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
-+ case SND_SOC_DAIFMT_NB_NF:
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ if (i2s->flags & RALINK_FLAGS_TXONLY) {
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_SLAVE_EN, cfg0);
-+ } else {
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_SLAVE, cfg0);
-+ }
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG1,
-+ I2S_REG_CFG1_FMT_MASK, cfg1);
-+ i2s->fmt = fmt;
-+
-+ return 0;
-+}
-+
-+static int ralink_i2s_startup(struct snd_pcm_substream *substream,
-+ struct snd_soc_dai *dai)
-+{
-+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+
-+ if (snd_soc_dai_active(dai))
-+ return 0;
-+
-+ /* setup status interrupt */
-+#if (RALINK_I2S_INT_EN)
-+ regmap_write(i2s->regmap, I2S_REG_INT_EN, 0xff);
-+#else
-+ regmap_write(i2s->regmap, I2S_REG_INT_EN, 0x0);
-+#endif
-+
-+ /* enable */
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_EN | I2S_REG_CFG0_DMA_EN |
-+ I2S_REG_CFG0_THRES_MASK,
-+ I2S_REG_CFG0_EN | I2S_REG_CFG0_DMA_EN |
-+ I2S_REG_CFG0_DFT_THRES);
-+
-+ return 0;
-+}
-+
-+static void ralink_i2s_shutdown(struct snd_pcm_substream *substream,
-+ struct snd_soc_dai *dai)
-+{
-+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+
-+ /* If both streams are stopped, disable module and clock */
-+ if (snd_soc_dai_active(dai))
-+ return;
-+
-+ /*
-+ * datasheet mention when disable all control regs are cleared
-+ * to initial values. need reinit at startup.
-+ */
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, I2S_REG_CFG0_EN, 0);
-+}
-+
-+static int ralink_i2s_hw_params(struct snd_pcm_substream *substream,
-+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
-+{
-+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ int width;
-+ int ret;
-+
-+ width = params_width(params);
-+ switch (width) {
-+ case 16:
-+ if (i2s->flags & RALINK_FLAGS_24BIT)
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_DATA_24, 0);
-+ break;
-+ case 24:
-+ if (i2s->flags & RALINK_FLAGS_24BIT) {
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_DATA_24,
-+ I2S_REG_CFG0_DATA_24);
-+ break;
-+ }
-+ return -EINVAL;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ switch (params_channels(params)) {
-+ case 2:
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ if (i2s->flags & RALINK_FLAGS_ENDIAN) {
-+ /* system endian */
-+#ifdef SNDRV_LITTLE_ENDIAN
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_SYS_BE, 0);
-+#else
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_SYS_BE,
-+ I2S_REG_CFG0_SYS_BE);
-+#endif
-+
-+ /* data endian */
-+ switch (params_format(params)) {
-+ case SNDRV_PCM_FORMAT_S16_LE:
-+ case SNDRV_PCM_FORMAT_S24_LE:
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_FMT_LE,
-+ I2S_REG_CFG0_FMT_LE);
-+ break;
-+ case SNDRV_PCM_FORMAT_S16_BE:
-+ case SNDRV_PCM_FORMAT_S24_BE:
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
-+ I2S_REG_CFG0_FMT_LE, 0);
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+ }
-+
-+ /* setup bclk rate */
-+ if (i2s->flags & RALINK_FLAGS_TXONLY)
-+ ret = ralink_i2s_set_sys_bclk(dai, width, params_rate(params));
-+ else
-+ ret = ralink_i2s_set_bclk(dai, width, params_rate(params));
-+
-+ return ret;
-+}
-+
-+static int ralink_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
-+ struct snd_soc_dai *dai)
-+{
-+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ unsigned int mask, val;
-+
-+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-+ mask = I2S_REG_CFG0_TX_EN;
-+ else
-+ mask = I2S_REG_CFG0_RX_EN;
-+
-+ switch (cmd) {
-+ case SNDRV_PCM_TRIGGER_START:
-+ case SNDRV_PCM_TRIGGER_RESUME:
-+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-+ val = mask;
-+ break;
-+ case SNDRV_PCM_TRIGGER_STOP:
-+ case SNDRV_PCM_TRIGGER_SUSPEND:
-+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-+ val = 0;
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, mask, val);
-+
-+ return 0;
-+}
-+
-+static void ralink_i2s_init_dma_data(struct ralink_i2s *i2s,
-+ struct resource *res)
-+{
-+ struct snd_dmaengine_dai_dma_data *dma_data;
-+
-+ /* Playback */
-+ dma_data = &i2s->playback_dma_data;
-+ dma_data->addr = res->start + I2S_REG_WREG;
-+ dma_data->addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
-+ dma_data->maxburst = 1;
-+
-+ if (i2s->flags & RALINK_FLAGS_TXONLY)
-+ return;
-+
-+ /* Capture */
-+ dma_data = &i2s->capture_dma_data;
-+ dma_data->addr = res->start + I2S_REG_RREG;
-+ dma_data->addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
-+ dma_data->maxburst = 1;
-+}
-+
-+static int ralink_i2s_dai_probe(struct snd_soc_dai *dai)
-+{
-+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+
-+ snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data,
-+ &i2s->capture_dma_data);
-+
-+ return 0;
-+}
-+
-+static int ralink_i2s_dai_remove(struct snd_soc_dai *dai)
-+{
-+ return 0;
-+}
-+
-+static const struct snd_soc_dai_ops ralink_i2s_dai_ops = {
-+ .set_sysclk = ralink_i2s_set_sysclk,
-+ .set_fmt = ralink_i2s_set_fmt,
-+ .startup = ralink_i2s_startup,
-+ .shutdown = ralink_i2s_shutdown,
-+ .hw_params = ralink_i2s_hw_params,
-+ .trigger = ralink_i2s_trigger,
-+};
-+
-+static struct snd_soc_dai_driver ralink_i2s_dai = {
-+ .name = DRV_NAME,
-+ .probe = ralink_i2s_dai_probe,
-+ .remove = ralink_i2s_dai_remove,
-+ .ops = &ralink_i2s_dai_ops,
-+ .capture = {
-+ .stream_name = "I2S Capture",
-+ .channels_min = 2,
-+ .channels_max = 2,
-+ .rate_min = 5512,
-+ .rate_max = 192000,
-+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
-+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
-+ },
-+ .playback = {
-+ .stream_name = "I2S Playback",
-+ .channels_min = 2,
-+ .channels_max = 2,
-+ .rate_min = 5512,
-+ .rate_max = 192000,
-+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
-+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
-+ },
-+ .symmetric_rate = 1,
-+};
-+
-+static struct snd_pcm_hardware ralink_pcm_hardware = {
-+ .info = SNDRV_PCM_INFO_MMAP |
-+ SNDRV_PCM_INFO_MMAP_VALID |
-+ SNDRV_PCM_INFO_INTERLEAVED |
-+ SNDRV_PCM_INFO_BLOCK_TRANSFER,
-+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
-+ .channels_min = 2,
-+ .channels_max = 2,
-+ .period_bytes_min = PAGE_SIZE,
-+ .period_bytes_max = PAGE_SIZE * 2,
-+ .periods_min = 2,
-+ .periods_max = 128,
-+ .buffer_bytes_max = 128 * 1024,
-+ .fifo_size = RALINK_I2S_FIFO_SIZE,
-+};
-+
-+static const struct snd_dmaengine_pcm_config ralink_dmaengine_pcm_config = {
-+ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
-+ .pcm_hardware = &ralink_pcm_hardware,
-+ .prealloc_buffer_size = 256 * PAGE_SIZE,
-+};
-+
-+static const struct snd_soc_component_driver ralink_i2s_component = {
-+ .name = DRV_NAME,
-+};
-+
-+static bool ralink_i2s_readable_reg(struct device *dev, unsigned int reg)
-+{
-+ return true;
-+}
-+
-+static bool ralink_i2s_volatile_reg(struct device *dev, unsigned int reg)
-+{
-+ switch (reg) {
-+ case I2S_REG_INT_STATUS:
-+ case I2S_REG_FF_STATUS:
-+ return true;
-+ }
-+ return false;
-+}
-+
-+static bool ralink_i2s_writeable_reg(struct device *dev, unsigned int reg)
-+{
-+ switch (reg) {
-+ case I2S_REG_FF_STATUS:
-+ case I2S_REG_RREG:
-+ return false;
-+ }
-+ return true;
-+}
-+
-+static const struct regmap_config ralink_i2s_regmap_config = {
-+ .reg_bits = 32,
-+ .reg_stride = 4,
-+ .val_bits = 32,
-+ .writeable_reg = ralink_i2s_writeable_reg,
-+ .readable_reg = ralink_i2s_readable_reg,
-+ .volatile_reg = ralink_i2s_volatile_reg,
-+ .max_register = I2S_REG_DIVINT,
-+};
-+
-+#if (RALINK_I2S_INT_EN)
-+static irqreturn_t ralink_i2s_irq(int irq, void *devid)
-+{
-+ struct ralink_i2s *i2s = devid;
-+ u32 status;
-+
-+ regmap_read(i2s->regmap, I2S_REG_INT_STATUS, &status);
-+ if (unlikely(!status))
-+ return IRQ_NONE;
-+
-+ /* tx stats */
-+ if (status & I2S_REG_INT_TX_MASK) {
-+ if (status & I2S_REG_INT_TX_THRES)
-+ i2s->txstats.belowthres++;
-+ if (status & I2S_REG_INT_TX_UNRUN)
-+ i2s->txstats.underrun++;
-+ if (status & I2S_REG_INT_TX_OVRUN)
-+ i2s->txstats.overrun++;
-+ if (status & I2S_REG_INT_TX_FAULT)
-+ i2s->txstats.dmafault++;
-+ }
-+
-+ /* rx stats */
-+ if (status & I2S_REG_INT_RX_MASK) {
-+ if (status & I2S_REG_INT_RX_THRES)
-+ i2s->rxstats.belowthres++;
-+ if (status & I2S_REG_INT_RX_UNRUN)
-+ i2s->rxstats.underrun++;
-+ if (status & I2S_REG_INT_RX_OVRUN)
-+ i2s->rxstats.overrun++;
-+ if (status & I2S_REG_INT_RX_FAULT)
-+ i2s->rxstats.dmafault++;
-+ }
-+
-+ /* clean status bits */
-+ regmap_write(i2s->regmap, I2S_REG_INT_STATUS, status);
-+
-+ return IRQ_HANDLED;
-+}
-+#endif
-+
-+#if IS_ENABLED(CONFIG_DEBUG_FS)
-+static int ralink_i2s_stats_show(struct seq_file *s, void *unused)
-+{
-+ struct ralink_i2s *i2s = s->private;
-+
-+ seq_printf(s, "tx stats\n");
-+ seq_printf(s, "\tbelow threshold\t%u\n", i2s->txstats.belowthres);
-+ seq_printf(s, "\tunder run\t%u\n", i2s->txstats.underrun);
-+ seq_printf(s, "\tover run\t%u\n", i2s->txstats.overrun);
-+ seq_printf(s, "\tdma fault\t%u\n", i2s->txstats.dmafault);
-+
-+ seq_printf(s, "rx stats\n");
-+ seq_printf(s, "\tbelow threshold\t%u\n", i2s->rxstats.belowthres);
-+ seq_printf(s, "\tunder run\t%u\n", i2s->rxstats.underrun);
-+ seq_printf(s, "\tover run\t%u\n", i2s->rxstats.overrun);
-+ seq_printf(s, "\tdma fault\t%u\n", i2s->rxstats.dmafault);
-+
-+ ralink_i2s_dump_regs(i2s);
-+
-+ return 0;
-+}
-+
-+static int ralink_i2s_stats_open(struct inode *inode, struct file *file)
-+{
-+ return single_open(file, ralink_i2s_stats_show, inode->i_private);
-+}
-+
-+static const struct file_operations ralink_i2s_stats_ops = {
-+ .open = ralink_i2s_stats_open,
-+ .read = seq_read,
-+ .llseek = seq_lseek,
-+ .release = single_release,
-+};
-+
-+static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s)
-+{
-+ i2s->dbg_dir = debugfs_create_dir(dev_name(i2s->dev), NULL);
-+ if (!i2s->dbg_dir)
-+ return -ENOMEM;
-+
-+ i2s->dbg_stats = debugfs_create_file("stats", S_IRUGO,
-+ i2s->dbg_dir, i2s, &ralink_i2s_stats_ops);
-+ if (!i2s->dbg_stats) {
-+ debugfs_remove(i2s->dbg_dir);
-+ return -ENOMEM;
-+ }
-+
-+ return 0;
-+}
-+
-+static inline void ralink_i2s_debugfs_remove(struct ralink_i2s *i2s)
-+{
-+ debugfs_remove(i2s->dbg_stats);
-+ debugfs_remove(i2s->dbg_dir);
-+}
-+#else
-+static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s)
-+{
-+ return 0;
-+}
-+
-+static inline void ralink_i2s_debugfs_remove(struct ralink_i2s *i2s)
-+{
-+}
-+#endif
-+
-+/*
-+ * TODO: these refclk setup functions should use
-+ * clock framework instead. hardcode it now.
-+ */
-+static void rt3350_refclk_setup(void)
-+{
-+ uint32_t data;
-+
-+ /* set refclk output 12Mhz clock */
-+ data = rt_sysc_r32(0x2c);
-+ data |= (0x1 << 8);
-+ rt_sysc_w32(data, 0x2c);
-+}
-+
-+static void rt3883_refclk_setup(void)
-+{
-+ uint32_t data;
-+
-+ /* set refclk output 12Mhz clock */
-+ data = rt_sysc_r32(0x2c);
-+ data &= ~(0x3 << 13);
-+ data |= (0x1 << 13);
-+ rt_sysc_w32(data, 0x2c);
-+}
-+
-+static void rt3552_refclk_setup(void)
-+{
-+ uint32_t data;
-+
-+ /* set refclk output 12Mhz clock */
-+ data = rt_sysc_r32(0x2c);
-+ data &= ~(0xf << 8);
-+ data |= (0x3 << 8);
-+ rt_sysc_w32(data, 0x2c);
-+}
-+
-+static void mt7620_refclk_setup(void)
-+{
-+ uint32_t data;
-+
-+ /* set refclk output 12Mhz clock */
-+ data = rt_sysc_r32(0x2c);
-+ data &= ~(0x7 << 9);
-+ data |= 0x1 << 9;
-+ rt_sysc_w32(data, 0x2c);
-+}
-+
-+static void mt7621_refclk_setup(void)
-+{
-+ uint32_t data;
-+
-+ /* set refclk output 12Mhz clock */
-+ data = rt_sysc_r32(0x2c);
-+ data &= ~(0x1f << 18);
-+ data |= (0x19 << 18);
-+ data &= ~(0x1f << 12);
-+ data |= (0x1 << 12);
-+ data &= ~(0x7 << 9);
-+ data |= (0x5 << 9);
-+ rt_sysc_w32(data, 0x2c);
-+}
-+
-+static void mt7628_refclk_setup(void)
-+{
-+ uint32_t data;
-+
-+ /* set i2s and refclk digital pad */
-+ data = rt_sysc_r32(0x3c);
-+ data |= 0x1f;
-+ rt_sysc_w32(data, 0x3c);
-+
-+ /* Adjust REFCLK0's driving strength */
-+ data = rt_sysc_r32(0x1354);
-+ data &= ~(0x1 << 5);
-+ rt_sysc_w32(data, 0x1354);
-+ data = rt_sysc_r32(0x1364);
-+ data |= ~(0x1 << 5);
-+ rt_sysc_w32(data, 0x1364);
-+
-+ /* set refclk output 12Mhz clock */
-+ data = rt_sysc_r32(0x2c);
-+ data &= ~(0x7 << 9);
-+ data |= 0x1 << 9;
-+ rt_sysc_w32(data, 0x2c);
-+}
-+
-+struct rt_i2s_data {
-+ u32 flags;
-+ void (*refclk_setup)(void);
-+};
-+
-+struct rt_i2s_data rt3050_i2s_data = { .flags = RALINK_FLAGS_TXONLY };
-+struct rt_i2s_data rt3350_i2s_data = { .flags = RALINK_FLAGS_TXONLY,
-+ .refclk_setup = rt3350_refclk_setup };
-+struct rt_i2s_data rt3883_i2s_data = {
-+ .flags = (RALINK_FLAGS_LEFT_J | RALINK_FLAGS_RIGHT_J),
-+ .refclk_setup = rt3883_refclk_setup };
-+struct rt_i2s_data rt3352_i2s_data = { .refclk_setup = rt3552_refclk_setup};
-+struct rt_i2s_data mt7620_i2s_data = { .refclk_setup = mt7620_refclk_setup};
-+struct rt_i2s_data mt7621_i2s_data = { .refclk_setup = mt7621_refclk_setup};
-+struct rt_i2s_data mt7628_i2s_data = {
-+ .flags = (RALINK_FLAGS_ENDIAN | RALINK_FLAGS_24BIT |
-+ RALINK_FLAGS_LEFT_J),
-+ .refclk_setup = mt7628_refclk_setup};
-+
-+static const struct of_device_id ralink_i2s_match_table[] = {
-+ { .compatible = "ralink,rt3050-i2s",
-+ .data = (void *)&rt3050_i2s_data },
-+ { .compatible = "ralink,rt3350-i2s",
-+ .data = (void *)&rt3350_i2s_data },
-+ { .compatible = "ralink,rt3883-i2s",
-+ .data = (void *)&rt3883_i2s_data },
-+ { .compatible = "ralink,rt3352-i2s",
-+ .data = (void *)&rt3352_i2s_data },
-+ { .compatible = "mediatek,mt7620-i2s",
-+ .data = (void *)&mt7620_i2s_data },
-+ { .compatible = "mediatek,mt7621-i2s",
-+ .data = (void *)&mt7621_i2s_data },
-+ { .compatible = "mediatek,mt7628-i2s",
-+ .data = (void *)&mt7628_i2s_data },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, ralink_i2s_match_table);
-+
-+static int ralink_i2s_probe(struct platform_device *pdev)
-+{
-+ const struct of_device_id *match;
-+ struct device_node *np = pdev->dev.of_node;
-+ struct ralink_i2s *i2s;
-+ struct resource *res;
-+ int irq, ret;
-+ u32 dma_req;
-+ struct rt_i2s_data *data;
-+
-+ i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
-+ if (!i2s)
-+ return -ENOMEM;
-+
-+ platform_set_drvdata(pdev, i2s);
-+ i2s->dev = &pdev->dev;
-+
-+ match = of_match_device(ralink_i2s_match_table, &pdev->dev);
-+ if (!match)
-+ return -EINVAL;
-+ data = (struct rt_i2s_data *)match->data;
-+ i2s->flags = data->flags;
-+ /* setup out 12Mhz refclk to codec as mclk */
-+ if (data->refclk_setup)
-+ data->refclk_setup();
-+
-+ if (of_property_read_u32(np, "txdma-req", &dma_req)) {
-+ dev_err(&pdev->dev, "no txdma-req define\n");
-+ return -EINVAL;
-+ }
-+ i2s->txdma_req = (u16)dma_req;
-+ if (!(i2s->flags & RALINK_FLAGS_TXONLY)) {
-+ if (of_property_read_u32(np, "rxdma-req", &dma_req)) {
-+ dev_err(&pdev->dev, "no rxdma-req define\n");
-+ return -EINVAL;
-+ }
-+ i2s->rxdma_req = (u16)dma_req;
-+ }
-+
-+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ i2s->regs = devm_ioremap_resource(&pdev->dev, res);
-+ if (IS_ERR(i2s->regs))
-+ return PTR_ERR(i2s->regs);
-+
-+ i2s->regmap = devm_regmap_init_mmio(&pdev->dev, i2s->regs,
-+ &ralink_i2s_regmap_config);
-+ if (IS_ERR(i2s->regmap)) {
-+ dev_err(&pdev->dev, "regmap init failed\n");
-+ return PTR_ERR(i2s->regmap);
-+ }
-+
-+ irq = platform_get_irq(pdev, 0);
-+ if (irq < 0) {
-+ dev_err(&pdev->dev, "failed to get irq\n");
-+ return -EINVAL;
-+ }
-+
-+#if (RALINK_I2S_INT_EN)
-+ ret = devm_request_irq(&pdev->dev, irq, ralink_i2s_irq,
-+ 0, dev_name(&pdev->dev), i2s);
-+ if (ret) {
-+ dev_err(&pdev->dev, "failed to request irq\n");
-+ return ret;
-+ }
-+#endif
-+
-+ i2s->clk = devm_clk_get(&pdev->dev, NULL);
-+ if (IS_ERR(i2s->clk)) {
-+ dev_err(&pdev->dev, "no clock defined\n");
-+ return PTR_ERR(i2s->clk);
-+ }
-+
-+ ret = clk_prepare_enable(i2s->clk);
-+ if (ret)
-+ return ret;
-+
-+ ralink_i2s_init_dma_data(i2s, res);
-+
-+ ret = device_reset(&pdev->dev);
-+ if (ret) {
-+ dev_err(&pdev->dev, "failed to reset device\n");
-+ goto err_clk_disable;
-+ }
-+
-+ ret = ralink_i2s_debugfs_create(i2s);
-+ if (ret) {
-+ dev_err(&pdev->dev, "create debugfs failed\n");
-+ goto err_clk_disable;
-+ }
-+
-+ /* enable 24bits support */
-+ if (i2s->flags & RALINK_FLAGS_24BIT) {
-+ ralink_i2s_dai.capture.formats |= SNDRV_PCM_FMTBIT_S24_LE;
-+ ralink_i2s_dai.playback.formats |= SNDRV_PCM_FMTBIT_S24_LE;
-+ }
-+
-+ /* enable big endian support */
-+ if (i2s->flags & RALINK_FLAGS_ENDIAN) {
-+ ralink_i2s_dai.capture.formats |= SNDRV_PCM_FMTBIT_S16_BE;
-+ ralink_i2s_dai.playback.formats |= SNDRV_PCM_FMTBIT_S16_BE;
-+ ralink_pcm_hardware.formats |= SNDRV_PCM_FMTBIT_S16_BE;
-+ if (i2s->flags & RALINK_FLAGS_24BIT) {
-+ ralink_i2s_dai.capture.formats |=
-+ SNDRV_PCM_FMTBIT_S24_BE;
-+ ralink_i2s_dai.playback.formats |=
-+ SNDRV_PCM_FMTBIT_S24_BE;
-+ ralink_pcm_hardware.formats |=
-+ SNDRV_PCM_FMTBIT_S24_BE;
-+ }
-+ }
-+
-+ /* disable capture support */
-+ if (i2s->flags & RALINK_FLAGS_TXONLY)
-+ memset(&ralink_i2s_dai.capture, sizeof(ralink_i2s_dai.capture),
-+ 0);
-+
-+ ret = devm_snd_soc_register_component(&pdev->dev, &ralink_i2s_component,
-+ &ralink_i2s_dai, 1);
-+ if (ret)
-+ goto err_debugfs;
-+
-+ ret = devm_snd_dmaengine_pcm_register(&pdev->dev,
-+ &ralink_dmaengine_pcm_config,
-+ SND_DMAENGINE_PCM_FLAG_COMPAT);
-+ if (ret)
-+ goto err_debugfs;
-+
-+ dev_info(i2s->dev, "mclk %luMHz\n", clk_get_rate(i2s->clk) / 1000000);
-+
-+ return 0;
-+
-+err_debugfs:
-+ ralink_i2s_debugfs_remove(i2s);
-+
-+err_clk_disable:
-+ clk_disable_unprepare(i2s->clk);
-+
-+ return ret;
-+}
-+
-+static int ralink_i2s_remove(struct platform_device *pdev)
-+{
-+ struct ralink_i2s *i2s = platform_get_drvdata(pdev);
-+
-+ ralink_i2s_debugfs_remove(i2s);
-+ clk_disable_unprepare(i2s->clk);
-+
-+ return 0;
-+}
-+
-+static struct platform_driver ralink_i2s_driver = {
-+ .probe = ralink_i2s_probe,
-+ .remove = ralink_i2s_remove,
-+ .driver = {
-+ .name = DRV_NAME,
-+ .of_match_table = ralink_i2s_match_table,
-+ },
-+};
-+module_platform_driver(ralink_i2s_driver);
-+
-+MODULE_AUTHOR("Lars-Peter Clausen, <lars@metafoo.de>");
-+MODULE_DESCRIPTION("Ralink/MediaTek I2S driver");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("platform:" DRV_NAME);
+++ /dev/null
-From a7eb46e0ea4a11e4dfb56ab129bf816d1059a6c5 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 7 Dec 2015 17:31:08 +0100
-Subject: [PATCH 51/53] serial: add ugly custom baud rate hack
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- drivers/tty/serial/serial_core.c | 3 +++
- 1 file changed, 3 insertions(+)
-
---- a/drivers/tty/serial/serial_core.c
-+++ b/drivers/tty/serial/serial_core.c
-@@ -445,6 +445,9 @@ uart_get_baud_rate(struct uart_port *por
- break;
- }
-
-+ if (tty_termios_baud_rate(termios) == 2500000)
-+ return 250000;
-+
- for (try = 0; try < 2; try++) {
- baud = tty_termios_baud_rate(termios);
-
+++ /dev/null
-From fc8f96309c21c1bc3276427309cd7d361347d66e Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 7 Dec 2015 17:16:50 +0100
-Subject: [PATCH 52/53] pwm: add mediatek support
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- drivers/pwm/Kconfig | 9 +++
- drivers/pwm/Makefile | 1 +
- drivers/pwm/pwm-mediatek.c | 173 ++++++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 183 insertions(+)
- create mode 100644 drivers/pwm/pwm-mediatek.c
-
---- a/drivers/pwm/Kconfig
-+++ b/drivers/pwm/Kconfig
-@@ -393,6 +393,15 @@ config PWM_MEDIATEK
- To compile this driver as a module, choose M here: the module
- will be called pwm-mediatek.
-
-+config PWM_MEDIATEK_RAMIPS
-+ tristate "Mediatek PWM support"
-+ depends on RALINK && OF
-+ help
-+ Generic PWM framework driver for Mediatek ARM SoC.
-+
-+ To compile this driver as a module, choose M here: the module
-+ will be called pwm-mxs.
-+
- config PWM_MXS
- tristate "Freescale MXS PWM support"
- depends on ARCH_MXS || COMPILE_TEST
---- a/drivers/pwm/Makefile
-+++ b/drivers/pwm/Makefile
-@@ -34,6 +34,7 @@ obj-$(CONFIG_PWM_LPSS_PCI) += pwm-lpss-p
- obj-$(CONFIG_PWM_LPSS_PLATFORM) += pwm-lpss-platform.o
- obj-$(CONFIG_PWM_MESON) += pwm-meson.o
- obj-$(CONFIG_PWM_MEDIATEK) += pwm-mediatek.o
-+obj-$(CONFIG_PWM_MEDIATEK_RAMIPS) += pwm-mediatek-ramips.o
- obj-$(CONFIG_PWM_MTK_DISP) += pwm-mtk-disp.o
- obj-$(CONFIG_PWM_MXS) += pwm-mxs.o
- obj-$(CONFIG_PWM_NTXEC) += pwm-ntxec.o
---- /dev/null
-+++ b/drivers/pwm/pwm-mediatek-ramips.c
-@@ -0,0 +1,197 @@
-+/*
-+ * Mediatek Pulse Width Modulator driver
-+ *
-+ * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
-+ *
-+ * This file is licensed under the terms of the GNU General Public
-+ * License version 2. This program is licensed "as is" without any
-+ * warranty of any kind, whether express or implied.
-+ */
-+
-+#include <linux/err.h>
-+#include <linux/io.h>
-+#include <linux/ioport.h>
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/of.h>
-+#include <linux/platform_device.h>
-+#include <linux/pwm.h>
-+#include <linux/slab.h>
-+#include <linux/types.h>
-+
-+#define NUM_PWM 4
-+
-+/* PWM registers and bits definitions */
-+#define PWMCON 0x00
-+#define PWMHDUR 0x04
-+#define PWMLDUR 0x08
-+#define PWMGDUR 0x0c
-+#define PWMWAVENUM 0x28
-+#define PWMDWIDTH 0x2c
-+#define PWMTHRES 0x30
-+
-+/**
-+ * struct mtk_pwm_chip - struct representing pwm chip
-+ *
-+ * @mmio_base: base address of pwm chip
-+ * @chip: linux pwm chip representation
-+ */
-+struct mtk_pwm_chip {
-+ void __iomem *mmio_base;
-+ struct pwm_chip chip;
-+};
-+
-+static inline struct mtk_pwm_chip *to_mtk_pwm_chip(struct pwm_chip *chip)
-+{
-+ return container_of(chip, struct mtk_pwm_chip, chip);
-+}
-+
-+static inline u32 mtk_pwm_readl(struct mtk_pwm_chip *chip, unsigned int num,
-+ unsigned long offset)
-+{
-+ return ioread32(chip->mmio_base + 0x10 + (num * 0x40) + offset);
-+}
-+
-+static inline void mtk_pwm_writel(struct mtk_pwm_chip *chip,
-+ unsigned int num, unsigned long offset,
-+ unsigned long val)
-+{
-+ iowrite32(val, chip->mmio_base + 0x10 + (num * 0x40) + offset);
-+}
-+
-+static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
-+ int duty_ns, int period_ns)
-+{
-+ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
-+ u32 resolution = 100 / 4;
-+ u32 clkdiv = 0;
-+
-+ while (period_ns / resolution > 8191) {
-+ clkdiv++;
-+ resolution *= 2;
-+ }
-+
-+ if (clkdiv > 7)
-+ return -1;
-+
-+ mtk_pwm_writel(pc, pwm->hwpwm, PWMCON, BIT(15) | BIT(3) | clkdiv);
-+ mtk_pwm_writel(pc, pwm->hwpwm, PWMDWIDTH, period_ns / resolution);
-+ mtk_pwm_writel(pc, pwm->hwpwm, PWMTHRES, duty_ns / resolution);
-+ return 0;
-+}
-+
-+static int mtk_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
-+{
-+ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
-+ u32 val;
-+
-+ val = ioread32(pc->mmio_base);
-+ val |= BIT(pwm->hwpwm);
-+ iowrite32(val, pc->mmio_base);
-+
-+ return 0;
-+}
-+
-+static void mtk_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
-+{
-+ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
-+ u32 val;
-+
-+ val = ioread32(pc->mmio_base);
-+ val &= ~BIT(pwm->hwpwm);
-+ iowrite32(val, pc->mmio_base);
-+}
-+
-+static int mtk_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
-+ const struct pwm_state *state)
-+{
-+ int err;
-+ bool enabled = pwm->state.enabled;
-+
-+ if (!state->enabled) {
-+ if (enabled)
-+ mtk_pwm_disable(chip, pwm);
-+
-+ return 0;
-+ }
-+
-+ err = mtk_pwm_config(pwm->chip, pwm,
-+ state->duty_cycle, state->period);
-+ if (err)
-+ return err;
-+
-+ if (!enabled)
-+ err = mtk_pwm_enable(chip, pwm);
-+
-+ return err;
-+}
-+
-+static const struct pwm_ops mtk_pwm_ops = {
-+ .apply = mtk_pwm_apply,
-+ .owner = THIS_MODULE,
-+};
-+
-+static int mtk_pwm_probe(struct platform_device *pdev)
-+{
-+ struct mtk_pwm_chip *pc;
-+ struct resource *r;
-+ int ret;
-+
-+ pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);
-+ if (!pc)
-+ return -ENOMEM;
-+
-+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ pc->mmio_base = devm_ioremap_resource(&pdev->dev, r);
-+ if (IS_ERR(pc->mmio_base))
-+ return PTR_ERR(pc->mmio_base);
-+
-+ platform_set_drvdata(pdev, pc);
-+
-+ pc->chip.dev = &pdev->dev;
-+ pc->chip.ops = &mtk_pwm_ops;
-+ pc->chip.base = -1;
-+ pc->chip.npwm = NUM_PWM;
-+
-+ ret = pwmchip_add(&pc->chip);
-+ if (ret < 0)
-+ dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
-+
-+ return ret;
-+}
-+
-+static int mtk_pwm_remove(struct platform_device *pdev)
-+{
-+ struct mtk_pwm_chip *pc = platform_get_drvdata(pdev);
-+ int i;
-+
-+ for (i = 0; i < NUM_PWM; i++)
-+ pwm_disable(&pc->chip.pwms[i]);
-+
-+ pwmchip_remove(&pc->chip);
-+
-+ return 0;
-+}
-+
-+static const struct of_device_id mtk_pwm_of_match[] = {
-+ { .compatible = "mediatek,mt7628-pwm" },
-+ { }
-+};
-+
-+MODULE_DEVICE_TABLE(of, mtk_pwm_of_match);
-+
-+static struct platform_driver mtk_pwm_driver = {
-+ .driver = {
-+ .name = "mtk-pwm",
-+ .owner = THIS_MODULE,
-+ .of_match_table = mtk_pwm_of_match,
-+ },
-+ .probe = mtk_pwm_probe,
-+ .remove = mtk_pwm_remove,
-+};
-+
-+module_platform_driver(mtk_pwm_driver);
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-+MODULE_ALIAS("platform:mtk-pwm");
+++ /dev/null
---- a/drivers/usb/dwc2/platform.c
-+++ b/drivers/usb/dwc2/platform.c
-@@ -462,6 +462,12 @@ static int dwc2_driver_probe(struct plat
- if (retval)
- return retval;
-
-+ /* Enable USB port before any regs access */
-+ if (readl(hsotg->regs + PCGCTL) & 0x0f) {
-+ writel(0x00, hsotg->regs + PCGCTL);
-+ /* TODO: mdelay(25) here? vendor driver don't use it */
-+ }
-+
- hsotg->needs_byte_swap = dwc2_check_core_endianness(hsotg);
-
- retval = dwc2_get_dr_mode(hsotg);
+++ /dev/null
---- a/drivers/misc/Makefile
-+++ b/drivers/misc/Makefile
-@@ -50,6 +50,7 @@ obj-$(CONFIG_ECHO) += echo/
- obj-$(CONFIG_CXL_BASE) += cxl/
- obj-$(CONFIG_DW_XDATA_PCIE) += dw-xdata-pcie.o
- obj-$(CONFIG_PCI_ENDPOINT_TEST) += pci_endpoint_test.o
-+obj-$(CONFIG_SOC_MT7620) += linkit.o
- obj-$(CONFIG_OCXL) += ocxl/
- obj-$(CONFIG_BCM_VK) += bcm-vk/
- obj-y += cardreader/
---- /dev/null
-+++ b/drivers/misc/linkit.c
-@@ -0,0 +1,84 @@
-+/*
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * publishhed by the Free Software Foundation.
-+ *
-+ * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+#include <linux/of.h>
-+#include <linux/mtd/mtd.h>
-+#include <linux/gpio.h>
-+
-+#define LINKIT_LATCH_GPIO 11
-+
-+struct linkit_hw_data {
-+ char board[16];
-+ char rev[16];
-+};
-+
-+static void sanify_string(char *s)
-+{
-+ int i;
-+
-+ for (i = 0; i < 15; i++)
-+ if (s[i] <= 0x20)
-+ s[i] = '\0';
-+ s[15] = '\0';
-+}
-+
-+static int linkit_probe(struct platform_device *pdev)
-+{
-+ struct linkit_hw_data hw;
-+ struct mtd_info *mtd;
-+ size_t retlen;
-+ int ret;
-+
-+ mtd = get_mtd_device_nm("factory");
-+ if (IS_ERR(mtd))
-+ return PTR_ERR(mtd);
-+
-+ ret = mtd_read(mtd, 0x400, sizeof(hw), &retlen, (u_char *) &hw);
-+ put_mtd_device(mtd);
-+
-+ sanify_string(hw.board);
-+ sanify_string(hw.rev);
-+
-+ dev_info(&pdev->dev, "Version : %s\n", hw.board);
-+ dev_info(&pdev->dev, "Revision : %s\n", hw.rev);
-+
-+ if (!strcmp(hw.board, "LINKITS7688")) {
-+ dev_info(&pdev->dev, "setting up bootstrap latch\n");
-+
-+ if (devm_gpio_request(&pdev->dev, LINKIT_LATCH_GPIO, "bootstrap")) {
-+ dev_err(&pdev->dev, "failed to setup bootstrap gpio\n");
-+ return -1;
-+ }
-+ gpio_direction_output(LINKIT_LATCH_GPIO, 0);
-+ }
-+
-+ return 0;
-+}
-+
-+static const struct of_device_id linkit_match[] = {
-+ { .compatible = "mediatek,linkit" },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, linkit_match);
-+
-+static struct platform_driver linkit_driver = {
-+ .probe = linkit_probe,
-+ .driver = {
-+ .name = "mtk-linkit",
-+ .owner = THIS_MODULE,
-+ .of_match_table = linkit_match,
-+ },
-+};
-+
-+int __init linkit_init(void)
-+{
-+ return platform_driver_register(&linkit_driver);
-+}
-+late_initcall_sync(linkit_init);
+++ /dev/null
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/Kconfig
-@@ -0,0 +1,64 @@
-+# SPDX-License-Identifier: GPL-2.0
-+config CRYPTO_DEV_EIP93_SKCIPHER
-+ tristate
-+
-+config CRYPTO_DEV_EIP93_HMAC
-+ tristate
-+
-+config CRYPTO_DEV_EIP93
-+ tristate "Support for EIP93 crypto HW accelerators"
-+ depends on SOC_MT7621 || COMPILE_TEST
-+ help
-+ EIP93 have various crypto HW accelerators. Select this if
-+ you want to use the EIP93 modules for any of the crypto algorithms.
-+
-+if CRYPTO_DEV_EIP93
-+
-+config CRYPTO_DEV_EIP93_AES
-+ bool "Register AES algorithm implementations with the Crypto API"
-+ default y
-+ select CRYPTO_DEV_EIP93_SKCIPHER
-+ select CRYPTO_LIB_AES
-+ select CRYPTO_SKCIPHER
-+ help
-+ Selecting this will offload AES - ECB, CBC and CTR crypto
-+ to the EIP-93 crypto engine.
-+
-+config CRYPTO_DEV_EIP93_DES
-+ bool "Register legacy DES / 3DES algorithm with the Crypto API"
-+ default y
-+ select CRYPTO_DEV_EIP93_SKCIPHER
-+ select CRYPTO_LIB_DES
-+ select CRYPTO_SKCIPHER
-+ help
-+ Selecting this will offload DES and 3DES ECB and CBC
-+ crypto to the EIP-93 crypto engine.
-+
-+config CRYPTO_DEV_EIP93_AEAD
-+ bool "Register AEAD algorithm with the Crypto API"
-+ default y
-+ select CRYPTO_DEV_EIP93_HMAC
-+ select CRYPTO_AEAD
-+ select CRYPTO_AUTHENC
-+ select CRYPTO_MD5
-+ select CRYPTO_SHA1
-+ select CRYPTO_SHA256
-+ help
-+ Selecting this will offload AEAD authenc(hmac(x), cipher(y))
-+ crypto to the EIP-93 crypto engine.
-+
-+config CRYPTO_DEV_EIP93_GENERIC_SW_MAX_LEN
-+ int "Max skcipher software fallback length"
-+ default 256
-+ help
-+ Max length of crypt request which
-+ will fallback to software crypt of skcipher *except* AES-128.
-+
-+config CRYPTO_DEV_EIP93_AES_128_SW_MAX_LEN
-+ int "Max AES-128 skcipher software fallback length"
-+ default 512
-+ help
-+ Max length of crypt request which
-+ will fallback to software crypt of AES-128 skcipher.
-+
-+endif
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/Makefile
-@@ -0,0 +1,7 @@
-+obj-$(CONFIG_CRYPTO_DEV_EIP93) += crypto-hw-eip93.o
-+
-+crypto-hw-eip93-y += eip93-main.o eip93-common.o
-+
-+crypto-hw-eip93-$(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER) += eip93-cipher.o
-+crypto-hw-eip93-$(CONFIG_CRYPTO_DEV_EIP93_AEAD) += eip93-aead.o
-+
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-aead.c
-@@ -0,0 +1,768 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+
-+#include <crypto/aead.h>
-+#include <crypto/aes.h>
-+#include <crypto/authenc.h>
-+#include <crypto/ctr.h>
-+#include <crypto/hmac.h>
-+#include <crypto/internal/aead.h>
-+#include <crypto/md5.h>
-+#include <crypto/null.h>
-+#include <crypto/sha1.h>
-+#include <crypto/sha2.h>
-+
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+#include <crypto/internal/des.h>
-+#endif
-+
-+#include <linux/crypto.h>
-+#include <linux/dma-mapping.h>
-+
-+#include "eip93-aead.h"
-+#include "eip93-cipher.h"
-+#include "eip93-common.h"
-+#include "eip93-regs.h"
-+
-+void mtk_aead_handle_result(struct crypto_async_request *async, int err)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm);
-+ struct mtk_device *mtk = ctx->mtk;
-+ struct aead_request *req = aead_request_cast(async);
-+ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
-+
-+ mtk_unmap_dma(mtk, rctx, req->src, req->dst);
-+ mtk_handle_result(mtk, rctx, req->iv);
-+
-+ if (err == 1)
-+ err = -EBADMSG;
-+ /* let software handle anti-replay errors */
-+ if (err == 4)
-+ err = 0;
-+
-+ aead_request_complete(req, err);
-+}
-+
-+static int mtk_aead_send_req(struct crypto_async_request *async)
-+{
-+ struct aead_request *req = aead_request_cast(async);
-+ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
-+ int err;
-+
-+ err = check_valid_request(rctx);
-+ if (err) {
-+ aead_request_complete(req, err);
-+ return err;
-+ }
-+
-+ return mtk_send_req(async, req->iv, rctx);
-+}
-+
-+/* Crypto aead API functions */
-+static int mtk_aead_cra_init(struct crypto_tfm *tfm)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
-+ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
-+ struct mtk_alg_template, alg.aead.base);
-+ u32 flags = tmpl->flags;
-+ char *alg_base;
-+
-+ crypto_aead_set_reqsize(__crypto_aead_cast(tfm),
-+ sizeof(struct mtk_cipher_reqctx));
-+
-+ ctx->mtk = tmpl->mtk;
-+ ctx->in_first = true;
-+ ctx->out_first = true;
-+
-+ ctx->sa_in = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
-+ if (!ctx->sa_in)
-+ return -ENOMEM;
-+
-+ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+
-+ ctx->sa_out = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
-+ if (!ctx->sa_out)
-+ return -ENOMEM;
-+
-+ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+
-+ /* software workaround for now */
-+ if (IS_HASH_MD5(flags))
-+ alg_base = "md5";
-+ if (IS_HASH_SHA1(flags))
-+ alg_base = "sha1";
-+ if (IS_HASH_SHA224(flags))
-+ alg_base = "sha224";
-+ if (IS_HASH_SHA256(flags))
-+ alg_base = "sha256";
-+
-+ ctx->shash = crypto_alloc_shash(alg_base, 0, CRYPTO_ALG_NEED_FALLBACK);
-+
-+ if (IS_ERR(ctx->shash)) {
-+ dev_err(ctx->mtk->dev, "base driver %s could not be loaded.\n",
-+ alg_base);
-+ return PTR_ERR(ctx->shash);
-+ }
-+
-+ return 0;
-+}
-+
-+static void mtk_aead_cra_exit(struct crypto_tfm *tfm)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
-+
-+ if (ctx->shash)
-+ crypto_free_shash(ctx->shash);
-+
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ kfree(ctx->sa_in);
-+ kfree(ctx->sa_out);
-+}
-+
-+static int mtk_aead_setkey(struct crypto_aead *ctfm, const u8 *key,
-+ unsigned int len)
-+{
-+ struct crypto_tfm *tfm = crypto_aead_tfm(ctfm);
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
-+ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
-+ struct mtk_alg_template, alg.skcipher.base);
-+ u32 flags = tmpl->flags;
-+ u32 nonce = 0;
-+ struct crypto_authenc_keys keys;
-+ struct crypto_aes_ctx aes;
-+ struct saRecord_s *saRecord = ctx->sa_out;
-+ int sa_size = sizeof(struct saRecord_s);
-+ int err = -EINVAL;
-+
-+
-+ if (crypto_authenc_extractkeys(&keys, key, len))
-+ return err;
-+
-+ if (IS_RFC3686(flags)) {
-+ if (keys.enckeylen < CTR_RFC3686_NONCE_SIZE)
-+ return err;
-+
-+ keys.enckeylen -= CTR_RFC3686_NONCE_SIZE;
-+ memcpy(&nonce, keys.enckey + keys.enckeylen,
-+ CTR_RFC3686_NONCE_SIZE);
-+ }
-+
-+ switch ((flags & MTK_ALG_MASK)) {
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+ case MTK_ALG_DES:
-+ err = verify_aead_des_key(ctfm, keys.enckey, keys.enckeylen);
-+ break;
-+ case MTK_ALG_3DES:
-+ if (keys.enckeylen != DES3_EDE_KEY_SIZE)
-+ return -EINVAL;
-+
-+ err = verify_aead_des3_key(ctfm, keys.enckey, keys.enckeylen);
-+ break;
-+#endif
-+ case MTK_ALG_AES:
-+ err = aes_expandkey(&aes, keys.enckey, keys.enckeylen);
-+ }
-+ if (err)
-+ return err;
-+
-+ ctx->blksize = crypto_aead_blocksize(ctfm);
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, sa_size,
-+ DMA_TO_DEVICE);
-+
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, sa_size,
-+ DMA_TO_DEVICE);
-+ /* Encryption key */
-+ mtk_set_saRecord(saRecord, keys.enckeylen, flags);
-+ saRecord->saCmd0.bits.opCode = 1;
-+ saRecord->saCmd0.bits.digestLength = ctx->authsize >> 2;
-+
-+ memcpy(saRecord->saKey, keys.enckey, keys.enckeylen);
-+ ctx->saNonce = nonce;
-+ saRecord->saNonce = nonce;
-+
-+ /* authentication key */
-+ err = mtk_authenc_setkey(ctx->shash, saRecord, keys.authkey,
-+ keys.authkeylen);
-+
-+ saRecord->saCmd0.bits.direction = 0;
-+ memcpy(ctx->sa_in, saRecord, sa_size);
-+ ctx->sa_in->saCmd0.bits.direction = 1;
-+ ctx->sa_in->saCmd1.bits.copyDigest = 0;
-+
-+ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, sa_size,
-+ DMA_TO_DEVICE);
-+ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, sa_size,
-+ DMA_TO_DEVICE);
-+ ctx->in_first = true;
-+ ctx->out_first = true;
-+
-+ return err;
-+}
-+
-+static int mtk_aead_setauthsize(struct crypto_aead *ctfm,
-+ unsigned int authsize)
-+{
-+ struct crypto_tfm *tfm = crypto_aead_tfm(ctfm);
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
-+
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+
-+ ctx->authsize = authsize;
-+ ctx->sa_in->saCmd0.bits.digestLength = ctx->authsize >> 2;
-+ ctx->sa_out->saCmd0.bits.digestLength = ctx->authsize >> 2;
-+
-+ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ return 0;
-+}
-+
-+static void mtk_aead_setassoc(struct mtk_crypto_ctx *ctx,
-+ struct aead_request *req, bool in)
-+{
-+ struct saRecord_s *saRecord;
-+
-+ if (in) {
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ saRecord = ctx->sa_in;
-+ saRecord->saCmd1.bits.hashCryptOffset = req->assoclen >> 2;
-+
-+ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ ctx->assoclen_in = req->assoclen;
-+ } else {
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ saRecord = ctx->sa_out;
-+ saRecord->saCmd1.bits.hashCryptOffset = req->assoclen >> 2;
-+
-+ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ ctx->assoclen_out = req->assoclen;
-+ }
-+}
-+
-+static int mtk_aead_crypt(struct aead_request *req)
-+{
-+ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
-+ struct crypto_async_request *async = &req->base;
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
-+ struct crypto_aead *aead = crypto_aead_reqtfm(req);
-+
-+ rctx->textsize = req->cryptlen;
-+ rctx->blksize = ctx->blksize;
-+ rctx->assoclen = req->assoclen;
-+ rctx->authsize = ctx->authsize;
-+ rctx->sg_src = req->src;
-+ rctx->sg_dst = req->dst;
-+ rctx->ivsize = crypto_aead_ivsize(aead);
-+ rctx->flags |= MTK_DESC_AEAD;
-+
-+ if IS_DECRYPT(rctx->flags)
-+ rctx->textsize -= rctx->authsize;
-+
-+ return mtk_aead_send_req(async);
-+}
-+
-+static int mtk_aead_encrypt(struct aead_request *req)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
-+ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
-+ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
-+ struct mtk_alg_template, alg.aead.base);
-+
-+ rctx->flags = tmpl->flags;
-+ rctx->flags |= MTK_ENCRYPT;
-+ if (ctx->out_first) {
-+ mtk_aead_setassoc(ctx, req, false);
-+ ctx->out_first = false;
-+ }
-+
-+ if (req->assoclen != ctx->assoclen_out) {
-+ dev_err(ctx->mtk->dev, "Request AAD length error\n");
-+ return -EINVAL;
-+ }
-+
-+ rctx->saRecord_base = ctx->sa_base_out;
-+
-+ return mtk_aead_crypt(req);
-+}
-+
-+static int mtk_aead_decrypt(struct aead_request *req)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
-+ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
-+ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
-+ struct mtk_alg_template, alg.aead.base);
-+
-+ rctx->flags = tmpl->flags;
-+ rctx->flags |= MTK_DECRYPT;
-+ if (ctx->in_first) {
-+ mtk_aead_setassoc(ctx, req, true);
-+ ctx->in_first = false;
-+ }
-+
-+ if (req->assoclen != ctx->assoclen_in) {
-+ dev_err(ctx->mtk->dev, "Request AAD length error\n");
-+ return -EINVAL;
-+ }
-+
-+ rctx->saRecord_base = ctx->sa_base_in;
-+
-+ return mtk_aead_crypt(req);
-+}
-+
-+/* Available authenc algorithms in this module */
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
-+struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_aes = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_AES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = AES_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = MD5_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(md5),cbc(aes))",
-+ .cra_driver_name =
-+ "authenc(hmac(md5-eip93), cbc(aes-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = AES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_aes = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_AES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = AES_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA1_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha1),cbc(aes))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha1-eip93),cbc(aes-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = AES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_aes = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_AES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = AES_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA224_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha224),cbc(aes))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha224-eip93),cbc(aes-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = AES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_aes = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_AES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = AES_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA256_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha256),cbc(aes))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha256-eip93),cbc(aes-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = AES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_md5_rfc3686_aes = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 |
-+ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = CTR_RFC3686_IV_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = MD5_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(md5),rfc3686(ctr(aes)))",
-+ .cra_driver_name =
-+ "authenc(hmac(md5-eip93),rfc3686(ctr(aes-eip93)))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = 1,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha1_rfc3686_aes = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 |
-+ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = CTR_RFC3686_IV_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA1_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha1-eip93),rfc3686(ctr(aes-eip93)))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = 1,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha224_rfc3686_aes = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 |
-+ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = CTR_RFC3686_IV_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA224_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha224),rfc3686(ctr(aes)))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha224-eip93),rfc3686(ctr(aes-eip93)))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = 1,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha256_rfc3686_aes = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 |
-+ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = CTR_RFC3686_IV_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA256_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha256-eip93),rfc3686(ctr(aes-eip93)))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = 1,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_DES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = DES_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = MD5_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(md5),cbc(des))",
-+ .cra_driver_name =
-+ "authenc(hmac(md5-eip93),cbc(des-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_DES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = DES_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA1_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha1),cbc(des))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha1-eip93),cbc(des-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_DES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = DES_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA224_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha224),cbc(des))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha224-eip93),cbc(des-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_DES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = DES_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA256_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha256),cbc(des))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha256-eip93),cbc(des-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des3_ede = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_3DES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = DES3_EDE_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = MD5_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(md5),cbc(des3_ede))",
-+ .cra_driver_name =
-+ "authenc(hmac(md5-eip93),cbc(des3_ede-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0x0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des3_ede = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_3DES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = DES3_EDE_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA1_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha1-eip93),cbc(des3_ede-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0x0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des3_ede = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_3DES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = DES3_EDE_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA224_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha224),cbc(des3_ede))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha224-eip93),cbc(des3_ede-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0x0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des3_ede = {
-+ .type = MTK_ALG_TYPE_AEAD,
-+ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_3DES,
-+ .alg.aead = {
-+ .setkey = mtk_aead_setkey,
-+ .encrypt = mtk_aead_encrypt,
-+ .decrypt = mtk_aead_decrypt,
-+ .ivsize = DES3_EDE_BLOCK_SIZE,
-+ .setauthsize = mtk_aead_setauthsize,
-+ .maxauthsize = SHA256_DIGEST_SIZE,
-+ .base = {
-+ .cra_name = "authenc(hmac(sha256),cbc(des3_ede))",
-+ .cra_driver_name =
-+ "authenc(hmac(sha256-eip93),cbc(des3_ede-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0x0,
-+ .cra_init = mtk_aead_cra_init,
-+ .cra_exit = mtk_aead_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+#endif
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-aead.h
-@@ -0,0 +1,31 @@
-+/* SPDX-License-Identifier: GPL-2.0
-+ *
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+#ifndef _EIP93_AEAD_H_
-+#define _EIP93_AEAD_H_
-+
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_aes;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_aes;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_aes;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_aes;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_rfc3686_aes;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_rfc3686_aes;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_rfc3686_aes;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_rfc3686_aes;
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des3_ede;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des3_ede;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des3_ede;
-+extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des3_ede;
-+#endif
-+
-+void mtk_aead_handle_result(struct crypto_async_request *async, int err);
-+
-+#endif /* _EIP93_AEAD_H_ */
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-aes.h
-@@ -0,0 +1,15 @@
-+/* SPDX-License-Identifier: GPL-2.0
-+ *
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+#ifndef _EIP93_AES_H_
-+#define _EIP93_AES_H_
-+
-+extern struct mtk_alg_template mtk_alg_ecb_aes;
-+extern struct mtk_alg_template mtk_alg_cbc_aes;
-+extern struct mtk_alg_template mtk_alg_ctr_aes;
-+extern struct mtk_alg_template mtk_alg_rfc3686_aes;
-+
-+#endif /* _EIP93_AES_H_ */
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-cipher.c
-@@ -0,0 +1,483 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
-+#include <crypto/aes.h>
-+#include <crypto/ctr.h>
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+#include <crypto/internal/des.h>
-+#endif
-+#include <linux/dma-mapping.h>
-+
-+#include "eip93-cipher.h"
-+#include "eip93-common.h"
-+#include "eip93-regs.h"
-+
-+void mtk_skcipher_handle_result(struct crypto_async_request *async, int err)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm);
-+ struct mtk_device *mtk = ctx->mtk;
-+ struct skcipher_request *req = skcipher_request_cast(async);
-+ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
-+
-+ mtk_unmap_dma(mtk, rctx, req->src, req->dst);
-+ mtk_handle_result(mtk, rctx, req->iv);
-+
-+ skcipher_request_complete(req, err);
-+}
-+
-+static inline bool mtk_skcipher_is_fallback(const struct crypto_tfm *tfm,
-+ u32 flags)
-+{
-+ return (tfm->__crt_alg->cra_flags & CRYPTO_ALG_NEED_FALLBACK) &&
-+ !IS_RFC3686(flags);
-+}
-+
-+static int mtk_skcipher_send_req(struct crypto_async_request *async)
-+{
-+ struct skcipher_request *req = skcipher_request_cast(async);
-+ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
-+ int err;
-+
-+ err = check_valid_request(rctx);
-+
-+ if (err) {
-+ skcipher_request_complete(req, err);
-+ return err;
-+ }
-+
-+ return mtk_send_req(async, req->iv, rctx);
-+}
-+
-+/* Crypto skcipher API functions */
-+static int mtk_skcipher_cra_init(struct crypto_tfm *tfm)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
-+ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
-+ struct mtk_alg_template, alg.skcipher.base);
-+ bool fallback = mtk_skcipher_is_fallback(tfm, tmpl->flags);
-+
-+ if (fallback) {
-+ ctx->fallback = crypto_alloc_skcipher(
-+ crypto_tfm_alg_name(tfm), 0, CRYPTO_ALG_NEED_FALLBACK);
-+ if (IS_ERR(ctx->fallback))
-+ return PTR_ERR(ctx->fallback);
-+ }
-+
-+ crypto_skcipher_set_reqsize(
-+ __crypto_skcipher_cast(tfm),
-+ sizeof(struct mtk_cipher_reqctx) +
-+ (fallback ? crypto_skcipher_reqsize(ctx->fallback) :
-+ 0));
-+
-+ ctx->mtk = tmpl->mtk;
-+
-+ ctx->sa_in = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
-+ if (!ctx->sa_in)
-+ return -ENOMEM;
-+
-+ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+
-+ ctx->sa_out = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
-+ if (!ctx->sa_out)
-+ return -ENOMEM;
-+
-+ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ return 0;
-+}
-+
-+static void mtk_skcipher_cra_exit(struct crypto_tfm *tfm)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
-+
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
-+ sizeof(struct saRecord_s), DMA_TO_DEVICE);
-+ kfree(ctx->sa_in);
-+ kfree(ctx->sa_out);
-+
-+ crypto_free_skcipher(ctx->fallback);
-+}
-+
-+static int mtk_skcipher_setkey(struct crypto_skcipher *ctfm, const u8 *key,
-+ unsigned int len)
-+{
-+ struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm);
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
-+ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
-+ struct mtk_alg_template, alg.skcipher.base);
-+ struct saRecord_s *saRecord = ctx->sa_out;
-+ u32 flags = tmpl->flags;
-+ u32 nonce = 0;
-+ unsigned int keylen = len;
-+ int sa_size = sizeof(struct saRecord_s);
-+ int err = -EINVAL;
-+
-+ if (!key || !keylen)
-+ return err;
-+
-+ ctx->keylen = keylen;
-+
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
-+ if (IS_RFC3686(flags)) {
-+ if (len < CTR_RFC3686_NONCE_SIZE)
-+ return err;
-+
-+ keylen = len - CTR_RFC3686_NONCE_SIZE;
-+ memcpy(&nonce, key + keylen, CTR_RFC3686_NONCE_SIZE);
-+ }
-+#endif
-+
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+ if (flags & MTK_ALG_DES) {
-+ ctx->blksize = DES_BLOCK_SIZE;
-+ err = verify_skcipher_des_key(ctfm, key);
-+ }
-+ if (flags & MTK_ALG_3DES) {
-+ ctx->blksize = DES3_EDE_BLOCK_SIZE;
-+ err = verify_skcipher_des3_key(ctfm, key);
-+ }
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
-+ if (flags & MTK_ALG_AES) {
-+ struct crypto_aes_ctx aes;
-+ bool fallback = mtk_skcipher_is_fallback(tfm, flags);
-+
-+ if (fallback && !IS_RFC3686(flags)) {
-+ err = crypto_skcipher_setkey(ctx->fallback, key,
-+ keylen);
-+ if (err)
-+ return err;
-+ }
-+
-+ ctx->blksize = AES_BLOCK_SIZE;
-+ err = aes_expandkey(&aes, key, keylen);
-+ }
-+#endif
-+ if (err)
-+ return err;
-+
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, sa_size,
-+ DMA_TO_DEVICE);
-+
-+ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, sa_size,
-+ DMA_TO_DEVICE);
-+
-+ mtk_set_saRecord(saRecord, keylen, flags);
-+
-+ memcpy(saRecord->saKey, key, keylen);
-+ ctx->saNonce = nonce;
-+ saRecord->saNonce = nonce;
-+ saRecord->saCmd0.bits.direction = 0;
-+
-+ memcpy(ctx->sa_in, saRecord, sa_size);
-+ ctx->sa_in->saCmd0.bits.direction = 1;
-+
-+ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, sa_size,
-+ DMA_TO_DEVICE);
-+
-+ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, sa_size,
-+ DMA_TO_DEVICE);
-+ return err;
-+}
-+
-+static int mtk_skcipher_crypt(struct skcipher_request *req, bool encrypt)
-+{
-+ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
-+ struct crypto_async_request *async = &req->base;
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
-+ struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
-+ bool fallback = mtk_skcipher_is_fallback(req->base.tfm, rctx->flags);
-+
-+ if (!req->cryptlen)
-+ return 0;
-+
-+ /*
-+ * ECB and CBC algorithms require message lengths to be
-+ * multiples of block size.
-+ */
-+ if (IS_ECB(rctx->flags) || IS_CBC(rctx->flags))
-+ if (!IS_ALIGNED(req->cryptlen,
-+ crypto_skcipher_blocksize(skcipher)))
-+ return -EINVAL;
-+
-+ if (fallback &&
-+ req->cryptlen <= (AES_KEYSIZE_128 ?
-+ CONFIG_CRYPTO_DEV_EIP93_AES_128_SW_MAX_LEN :
-+ CONFIG_CRYPTO_DEV_EIP93_GENERIC_SW_MAX_LEN)) {
-+ skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback);
-+ skcipher_request_set_callback(&rctx->fallback_req,
-+ req->base.flags,
-+ req->base.complete,
-+ req->base.data);
-+ skcipher_request_set_crypt(&rctx->fallback_req, req->src,
-+ req->dst, req->cryptlen, req->iv);
-+ return encrypt ? crypto_skcipher_encrypt(&rctx->fallback_req) :
-+ crypto_skcipher_decrypt(&rctx->fallback_req);
-+ }
-+
-+ rctx->assoclen = 0;
-+ rctx->textsize = req->cryptlen;
-+ rctx->authsize = 0;
-+ rctx->sg_src = req->src;
-+ rctx->sg_dst = req->dst;
-+ rctx->ivsize = crypto_skcipher_ivsize(skcipher);
-+ rctx->blksize = ctx->blksize;
-+ rctx->flags |= MTK_DESC_SKCIPHER;
-+ if (!IS_ECB(rctx->flags))
-+ rctx->flags |= MTK_DESC_DMA_IV;
-+
-+ return mtk_skcipher_send_req(async);
-+}
-+
-+static int mtk_skcipher_encrypt(struct skcipher_request *req)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
-+ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
-+ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
-+ struct mtk_alg_template, alg.skcipher.base);
-+
-+ rctx->flags = tmpl->flags;
-+ rctx->flags |= MTK_ENCRYPT;
-+ rctx->saRecord_base = ctx->sa_base_out;
-+
-+ return mtk_skcipher_crypt(req, true);
-+}
-+
-+static int mtk_skcipher_decrypt(struct skcipher_request *req)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
-+ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
-+ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
-+ struct mtk_alg_template, alg.skcipher.base);
-+
-+ rctx->flags = tmpl->flags;
-+ rctx->flags |= MTK_DECRYPT;
-+ rctx->saRecord_base = ctx->sa_base_in;
-+
-+ return mtk_skcipher_crypt(req, false);
-+}
-+
-+/* Available algorithms in this module */
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
-+struct mtk_alg_template mtk_alg_ecb_aes = {
-+ .type = MTK_ALG_TYPE_SKCIPHER,
-+ .flags = MTK_MODE_ECB | MTK_ALG_AES,
-+ .alg.skcipher = {
-+ .setkey = mtk_skcipher_setkey,
-+ .encrypt = mtk_skcipher_encrypt,
-+ .decrypt = mtk_skcipher_decrypt,
-+ .min_keysize = AES_MIN_KEY_SIZE,
-+ .max_keysize = AES_MAX_KEY_SIZE,
-+ .ivsize = 0,
-+ .base = {
-+ .cra_name = "ecb(aes)",
-+ .cra_driver_name = "ecb(aes-eip93)",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_NEED_FALLBACK |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = AES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0xf,
-+ .cra_init = mtk_skcipher_cra_init,
-+ .cra_exit = mtk_skcipher_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_cbc_aes = {
-+ .type = MTK_ALG_TYPE_SKCIPHER,
-+ .flags = MTK_MODE_CBC | MTK_ALG_AES,
-+ .alg.skcipher = {
-+ .setkey = mtk_skcipher_setkey,
-+ .encrypt = mtk_skcipher_encrypt,
-+ .decrypt = mtk_skcipher_decrypt,
-+ .min_keysize = AES_MIN_KEY_SIZE,
-+ .max_keysize = AES_MAX_KEY_SIZE,
-+ .ivsize = AES_BLOCK_SIZE,
-+ .base = {
-+ .cra_name = "cbc(aes)",
-+ .cra_driver_name = "cbc(aes-eip93)",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_NEED_FALLBACK |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = AES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0xf,
-+ .cra_init = mtk_skcipher_cra_init,
-+ .cra_exit = mtk_skcipher_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_ctr_aes = {
-+ .type = MTK_ALG_TYPE_SKCIPHER,
-+ .flags = MTK_MODE_CTR | MTK_ALG_AES,
-+ .alg.skcipher = {
-+ .setkey = mtk_skcipher_setkey,
-+ .encrypt = mtk_skcipher_encrypt,
-+ .decrypt = mtk_skcipher_decrypt,
-+ .min_keysize = AES_MIN_KEY_SIZE,
-+ .max_keysize = AES_MAX_KEY_SIZE,
-+ .ivsize = AES_BLOCK_SIZE,
-+ .base = {
-+ .cra_name = "ctr(aes)",
-+ .cra_driver_name = "ctr(aes-eip93)",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_NEED_FALLBACK |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = 1,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0xf,
-+ .cra_init = mtk_skcipher_cra_init,
-+ .cra_exit = mtk_skcipher_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_rfc3686_aes = {
-+ .type = MTK_ALG_TYPE_SKCIPHER,
-+ .flags = MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
-+ .alg.skcipher = {
-+ .setkey = mtk_skcipher_setkey,
-+ .encrypt = mtk_skcipher_encrypt,
-+ .decrypt = mtk_skcipher_decrypt,
-+ .min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
-+ .max_keysize = AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
-+ .ivsize = CTR_RFC3686_IV_SIZE,
-+ .base = {
-+ .cra_name = "rfc3686(ctr(aes))",
-+ .cra_driver_name = "rfc3686(ctr(aes-eip93))",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_NEED_FALLBACK |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = 1,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0xf,
-+ .cra_init = mtk_skcipher_cra_init,
-+ .cra_exit = mtk_skcipher_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+struct mtk_alg_template mtk_alg_ecb_des = {
-+ .type = MTK_ALG_TYPE_SKCIPHER,
-+ .flags = MTK_MODE_ECB | MTK_ALG_DES,
-+ .alg.skcipher = {
-+ .setkey = mtk_skcipher_setkey,
-+ .encrypt = mtk_skcipher_encrypt,
-+ .decrypt = mtk_skcipher_decrypt,
-+ .min_keysize = DES_KEY_SIZE,
-+ .max_keysize = DES_KEY_SIZE,
-+ .ivsize = 0,
-+ .base = {
-+ .cra_name = "ecb(des)",
-+ .cra_driver_name = "ebc(des-eip93)",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_skcipher_cra_init,
-+ .cra_exit = mtk_skcipher_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_cbc_des = {
-+ .type = MTK_ALG_TYPE_SKCIPHER,
-+ .flags = MTK_MODE_CBC | MTK_ALG_DES,
-+ .alg.skcipher = {
-+ .setkey = mtk_skcipher_setkey,
-+ .encrypt = mtk_skcipher_encrypt,
-+ .decrypt = mtk_skcipher_decrypt,
-+ .min_keysize = DES_KEY_SIZE,
-+ .max_keysize = DES_KEY_SIZE,
-+ .ivsize = DES_BLOCK_SIZE,
-+ .base = {
-+ .cra_name = "cbc(des)",
-+ .cra_driver_name = "cbc(des-eip93)",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_skcipher_cra_init,
-+ .cra_exit = mtk_skcipher_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_ecb_des3_ede = {
-+ .type = MTK_ALG_TYPE_SKCIPHER,
-+ .flags = MTK_MODE_ECB | MTK_ALG_3DES,
-+ .alg.skcipher = {
-+ .setkey = mtk_skcipher_setkey,
-+ .encrypt = mtk_skcipher_encrypt,
-+ .decrypt = mtk_skcipher_decrypt,
-+ .min_keysize = DES3_EDE_KEY_SIZE,
-+ .max_keysize = DES3_EDE_KEY_SIZE,
-+ .ivsize = 0,
-+ .base = {
-+ .cra_name = "ecb(des3_ede)",
-+ .cra_driver_name = "ecb(des3_ede-eip93)",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_skcipher_cra_init,
-+ .cra_exit = mtk_skcipher_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+
-+struct mtk_alg_template mtk_alg_cbc_des3_ede = {
-+ .type = MTK_ALG_TYPE_SKCIPHER,
-+ .flags = MTK_MODE_CBC | MTK_ALG_3DES,
-+ .alg.skcipher = {
-+ .setkey = mtk_skcipher_setkey,
-+ .encrypt = mtk_skcipher_encrypt,
-+ .decrypt = mtk_skcipher_decrypt,
-+ .min_keysize = DES3_EDE_KEY_SIZE,
-+ .max_keysize = DES3_EDE_KEY_SIZE,
-+ .ivsize = DES3_EDE_BLOCK_SIZE,
-+ .base = {
-+ .cra_name = "cbc(des3_ede)",
-+ .cra_driver_name = "cbc(des3_ede-eip93)",
-+ .cra_priority = MTK_CRA_PRIORITY,
-+ .cra_flags = CRYPTO_ALG_ASYNC |
-+ CRYPTO_ALG_KERN_DRIVER_ONLY,
-+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
-+ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
-+ .cra_alignmask = 0,
-+ .cra_init = mtk_skcipher_cra_init,
-+ .cra_exit = mtk_skcipher_cra_exit,
-+ .cra_module = THIS_MODULE,
-+ },
-+ },
-+};
-+#endif
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-cipher.h
-@@ -0,0 +1,66 @@
-+/* SPDX-License-Identifier: GPL-2.0
-+ *
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+#ifndef _EIP93_CIPHER_H_
-+#define _EIP93_CIPHER_H_
-+
-+#include "eip93-main.h"
-+
-+struct mtk_crypto_ctx {
-+ struct mtk_device *mtk;
-+ struct saRecord_s *sa_in;
-+ dma_addr_t sa_base_in;
-+ struct saRecord_s *sa_out;
-+ dma_addr_t sa_base_out;
-+ uint32_t saNonce;
-+ int blksize;
-+ /* AEAD specific */
-+ unsigned int authsize;
-+ unsigned int assoclen_in;
-+ unsigned int assoclen_out;
-+ bool in_first;
-+ bool out_first;
-+ struct crypto_shash *shash;
-+ unsigned int keylen;
-+ struct crypto_skcipher *fallback;
-+};
-+
-+struct mtk_cipher_reqctx {
-+ unsigned long flags;
-+ unsigned int blksize;
-+ unsigned int ivsize;
-+ unsigned int textsize;
-+ unsigned int assoclen;
-+ unsigned int authsize;
-+ dma_addr_t saRecord_base;
-+ struct saState_s *saState;
-+ dma_addr_t saState_base;
-+ uint32_t saState_idx;
-+ struct eip93_descriptor_s *cdesc;
-+ struct scatterlist *sg_src;
-+ struct scatterlist *sg_dst;
-+ int src_nents;
-+ int dst_nents;
-+ struct saState_s *saState_ctr;
-+ dma_addr_t saState_base_ctr;
-+ uint32_t saState_ctr_idx;
-+ struct skcipher_request fallback_req; // keep at the end
-+};
-+
-+int check_valid_request(struct mtk_cipher_reqctx *rctx);
-+
-+void mtk_unmap_dma(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
-+ struct scatterlist *reqsrc, struct scatterlist *reqdst);
-+
-+void mtk_skcipher_handle_result(struct crypto_async_request *async, int err);
-+
-+int mtk_send_req(struct crypto_async_request *async,
-+ const u8 *reqiv, struct mtk_cipher_reqctx *rctx);
-+
-+void mtk_handle_result(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
-+ u8 *reqiv);
-+
-+#endif /* _EIP93_CIPHER_H_ */
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-common.c
-@@ -0,0 +1,749 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+
-+#include <crypto/aes.h>
-+#include <crypto/ctr.h>
-+#include <crypto/hmac.h>
-+#include <crypto/sha1.h>
-+#include <crypto/sha2.h>
-+#include <linux/delay.h>
-+#include <linux/dma-mapping.h>
-+#include <linux/scatterlist.h>
-+
-+#include "eip93-cipher.h"
-+#include "eip93-common.h"
-+#include "eip93-main.h"
-+#include "eip93-regs.h"
-+
-+inline void *mtk_ring_next_wptr(struct mtk_device *mtk,
-+ struct mtk_desc_ring *ring)
-+{
-+ void *ptr = ring->write;
-+
-+ if ((ring->write == ring->read - ring->offset) ||
-+ (ring->read == ring->base && ring->write == ring->base_end))
-+ return ERR_PTR(-ENOMEM);
-+
-+ if (ring->write == ring->base_end)
-+ ring->write = ring->base;
-+ else
-+ ring->write += ring->offset;
-+
-+ return ptr;
-+}
-+
-+inline void *mtk_ring_next_rptr(struct mtk_device *mtk,
-+ struct mtk_desc_ring *ring)
-+{
-+ void *ptr = ring->read;
-+
-+ if (ring->write == ring->read)
-+ return ERR_PTR(-ENOENT);
-+
-+ if (ring->read == ring->base_end)
-+ ring->read = ring->base;
-+ else
-+ ring->read += ring->offset;
-+
-+ return ptr;
-+}
-+
-+inline int mtk_put_descriptor(struct mtk_device *mtk,
-+ struct eip93_descriptor_s *desc)
-+{
-+ struct eip93_descriptor_s *cdesc;
-+ struct eip93_descriptor_s *rdesc;
-+ unsigned long irqflags;
-+
-+ spin_lock_irqsave(&mtk->ring->write_lock, irqflags);
-+
-+ rdesc = mtk_ring_next_wptr(mtk, &mtk->ring->rdr);
-+
-+ if (IS_ERR(rdesc)) {
-+ spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags);
-+ return -ENOENT;
-+ }
-+
-+ cdesc = mtk_ring_next_wptr(mtk, &mtk->ring->cdr);
-+
-+ if (IS_ERR(cdesc)) {
-+ spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags);
-+ return -ENOENT;
-+ }
-+
-+ memset(rdesc, 0, sizeof(struct eip93_descriptor_s));
-+ memcpy(cdesc, desc, sizeof(struct eip93_descriptor_s));
-+
-+ atomic_dec(&mtk->ring->free);
-+ spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags);
-+
-+ return 0;
-+}
-+
-+inline void *mtk_get_descriptor(struct mtk_device *mtk)
-+{
-+ struct eip93_descriptor_s *cdesc;
-+ void *ptr;
-+ unsigned long irqflags;
-+
-+ spin_lock_irqsave(&mtk->ring->read_lock, irqflags);
-+
-+ cdesc = mtk_ring_next_rptr(mtk, &mtk->ring->cdr);
-+
-+ if (IS_ERR(cdesc)) {
-+ spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags);
-+ return ERR_PTR(-ENOENT);
-+ }
-+
-+ memset(cdesc, 0, sizeof(struct eip93_descriptor_s));
-+
-+ ptr = mtk_ring_next_rptr(mtk, &mtk->ring->rdr);
-+ if (IS_ERR(ptr)) {
-+ spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags);
-+ return ERR_PTR(-ENOENT);
-+ }
-+
-+ atomic_inc(&mtk->ring->free);
-+ spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags);
-+
-+ return ptr;
-+}
-+
-+inline int mtk_get_free_saState(struct mtk_device *mtk)
-+{
-+ struct mtk_state_pool *saState_pool;
-+ int i;
-+
-+ for (i = 0; i < MTK_RING_SIZE; i++) {
-+ saState_pool = &mtk->ring->saState_pool[i];
-+ if (saState_pool->in_use == false) {
-+ saState_pool->in_use = true;
-+ return i;
-+ }
-+
-+ }
-+
-+ return -ENOENT;
-+}
-+
-+static inline void mtk_free_sg_copy(const int len, struct scatterlist **sg)
-+{
-+ if (!*sg || !len)
-+ return;
-+
-+ free_pages((unsigned long)sg_virt(*sg), get_order(len));
-+ kfree(*sg);
-+ *sg = NULL;
-+}
-+
-+static inline int mtk_make_sg_copy(struct scatterlist *src,
-+ struct scatterlist **dst,
-+ const uint32_t len, const bool copy)
-+{
-+ void *pages;
-+
-+ *dst = kmalloc(sizeof(**dst), GFP_KERNEL);
-+ if (!*dst)
-+ return -ENOMEM;
-+
-+
-+ pages = (void *)__get_free_pages(GFP_KERNEL | GFP_DMA,
-+ get_order(len));
-+
-+ if (!pages) {
-+ kfree(*dst);
-+ *dst = NULL;
-+ return -ENOMEM;
-+ }
-+
-+ sg_init_table(*dst, 1);
-+ sg_set_buf(*dst, pages, len);
-+
-+ /* copy only as requested */
-+ if (copy)
-+ sg_copy_to_buffer(src, sg_nents(src), pages, len);
-+
-+ return 0;
-+}
-+
-+static inline bool mtk_is_sg_aligned(struct scatterlist *sg, u32 len,
-+ const int blksize)
-+{
-+ int nents;
-+
-+ for (nents = 0; sg; sg = sg_next(sg), ++nents) {
-+ if (!IS_ALIGNED(sg->offset, 4))
-+ return false;
-+
-+ if (len <= sg->length) {
-+ if (!IS_ALIGNED(len, blksize))
-+ return false;
-+
-+ return true;
-+ }
-+
-+ if (!IS_ALIGNED(sg->length, blksize))
-+ return false;
-+
-+ len -= sg->length;
-+ }
-+ return false;
-+}
-+
-+int check_valid_request(struct mtk_cipher_reqctx *rctx)
-+{
-+ struct scatterlist *src = rctx->sg_src;
-+ struct scatterlist *dst = rctx->sg_dst;
-+ uint32_t src_nents, dst_nents;
-+ u32 textsize = rctx->textsize;
-+ u32 authsize = rctx->authsize;
-+ u32 blksize = rctx->blksize;
-+ u32 totlen_src = rctx->assoclen + rctx->textsize;
-+ u32 totlen_dst = rctx->assoclen + rctx->textsize;
-+ u32 copy_len;
-+ bool src_align, dst_align;
-+ int err = -EINVAL;
-+
-+ if (!IS_CTR(rctx->flags)) {
-+ if (!IS_ALIGNED(textsize, blksize))
-+ return err;
-+ }
-+
-+ if (authsize) {
-+ if (IS_ENCRYPT(rctx->flags))
-+ totlen_dst += authsize;
-+ else
-+ totlen_src += authsize;
-+ }
-+
-+ src_nents = sg_nents_for_len(src, totlen_src);
-+ dst_nents = sg_nents_for_len(dst, totlen_dst);
-+
-+ if (src == dst) {
-+ src_nents = max(src_nents, dst_nents);
-+ dst_nents = src_nents;
-+ if (unlikely((totlen_src || totlen_dst) && (src_nents <= 0)))
-+ return err;
-+
-+ } else {
-+ if (unlikely(totlen_src && (src_nents <= 0)))
-+ return err;
-+
-+ if (unlikely(totlen_dst && (dst_nents <= 0)))
-+ return err;
-+ }
-+
-+ if (authsize) {
-+ if (dst_nents == 1 && src_nents == 1) {
-+ src_align = mtk_is_sg_aligned(src, totlen_src, blksize);
-+ if (src == dst)
-+ dst_align = src_align;
-+ else
-+ dst_align = mtk_is_sg_aligned(dst,
-+ totlen_dst, blksize);
-+ } else {
-+ src_align = false;
-+ dst_align = false;
-+ }
-+ } else {
-+ src_align = mtk_is_sg_aligned(src, totlen_src, blksize);
-+ if (src == dst)
-+ dst_align = src_align;
-+ else
-+ dst_align = mtk_is_sg_aligned(dst, totlen_dst, blksize);
-+ }
-+
-+ copy_len = max(totlen_src, totlen_dst);
-+ if (!src_align) {
-+ err = mtk_make_sg_copy(src, &rctx->sg_src, copy_len, true);
-+ if (err)
-+ return err;
-+ }
-+
-+ if (!dst_align) {
-+ err = mtk_make_sg_copy(dst, &rctx->sg_dst, copy_len, false);
-+ if (err)
-+ return err;
-+ }
-+
-+ rctx->src_nents = sg_nents_for_len(rctx->sg_src, totlen_src);
-+ rctx->dst_nents = sg_nents_for_len(rctx->sg_dst, totlen_dst);
-+
-+ return 0;
-+}
-+/*
-+ * Set saRecord function:
-+ * Even saRecord is set to "0", keep " = 0" for readability.
-+ */
-+void mtk_set_saRecord(struct saRecord_s *saRecord, const unsigned int keylen,
-+ const u32 flags)
-+{
-+ saRecord->saCmd0.bits.ivSource = 2;
-+ if (IS_ECB(flags))
-+ saRecord->saCmd0.bits.saveIv = 0;
-+ else
-+ saRecord->saCmd0.bits.saveIv = 1;
-+
-+ saRecord->saCmd0.bits.opGroup = 0;
-+ saRecord->saCmd0.bits.opCode = 0;
-+
-+ switch ((flags & MTK_ALG_MASK)) {
-+ case MTK_ALG_AES:
-+ saRecord->saCmd0.bits.cipher = 3;
-+ saRecord->saCmd1.bits.aesKeyLen = keylen >> 3;
-+ break;
-+ case MTK_ALG_3DES:
-+ saRecord->saCmd0.bits.cipher = 1;
-+ break;
-+ case MTK_ALG_DES:
-+ saRecord->saCmd0.bits.cipher = 0;
-+ break;
-+ default:
-+ saRecord->saCmd0.bits.cipher = 15;
-+ }
-+
-+ switch ((flags & MTK_HASH_MASK)) {
-+ case MTK_HASH_SHA256:
-+ saRecord->saCmd0.bits.hash = 3;
-+ break;
-+ case MTK_HASH_SHA224:
-+ saRecord->saCmd0.bits.hash = 2;
-+ break;
-+ case MTK_HASH_SHA1:
-+ saRecord->saCmd0.bits.hash = 1;
-+ break;
-+ case MTK_HASH_MD5:
-+ saRecord->saCmd0.bits.hash = 0;
-+ break;
-+ default:
-+ saRecord->saCmd0.bits.hash = 15;
-+ }
-+
-+ saRecord->saCmd0.bits.hdrProc = 0;
-+ saRecord->saCmd0.bits.padType = 3;
-+ saRecord->saCmd0.bits.extPad = 0;
-+ saRecord->saCmd0.bits.scPad = 0;
-+
-+ switch ((flags & MTK_MODE_MASK)) {
-+ case MTK_MODE_CBC:
-+ saRecord->saCmd1.bits.cipherMode = 1;
-+ break;
-+ case MTK_MODE_CTR:
-+ saRecord->saCmd1.bits.cipherMode = 2;
-+ break;
-+ case MTK_MODE_ECB:
-+ saRecord->saCmd1.bits.cipherMode = 0;
-+ break;
-+ }
-+
-+ saRecord->saCmd1.bits.byteOffset = 0;
-+ saRecord->saCmd1.bits.hashCryptOffset = 0;
-+ saRecord->saCmd0.bits.digestLength = 0;
-+ saRecord->saCmd1.bits.copyPayload = 0;
-+
-+ if (IS_HMAC(flags)) {
-+ saRecord->saCmd1.bits.hmac = 1;
-+ saRecord->saCmd1.bits.copyDigest = 1;
-+ saRecord->saCmd1.bits.copyHeader = 1;
-+ } else {
-+ saRecord->saCmd1.bits.hmac = 0;
-+ saRecord->saCmd1.bits.copyDigest = 0;
-+ saRecord->saCmd1.bits.copyHeader = 0;
-+ }
-+
-+ saRecord->saCmd1.bits.seqNumCheck = 0;
-+ saRecord->saSpi = 0x0;
-+ saRecord->saSeqNumMask[0] = 0xFFFFFFFF;
-+ saRecord->saSeqNumMask[1] = 0x0;
-+}
-+
-+/*
-+ * Poor mans Scatter/gather function:
-+ * Create a Descriptor for every segment to avoid copying buffers.
-+ * For performance better to wait for hardware to perform multiple DMA
-+ *
-+ */
-+static inline int mtk_scatter_combine(struct mtk_device *mtk,
-+ struct mtk_cipher_reqctx *rctx,
-+ u32 datalen, u32 split, int offsetin)
-+{
-+ struct eip93_descriptor_s *cdesc = rctx->cdesc;
-+ struct scatterlist *sgsrc = rctx->sg_src;
-+ struct scatterlist *sgdst = rctx->sg_dst;
-+ unsigned int remainin = sg_dma_len(sgsrc);
-+ unsigned int remainout = sg_dma_len(sgdst);
-+ dma_addr_t saddr = sg_dma_address(sgsrc);
-+ dma_addr_t daddr = sg_dma_address(sgdst);
-+ dma_addr_t stateAddr;
-+ u32 srcAddr, dstAddr, len, n;
-+ bool nextin = false;
-+ bool nextout = false;
-+ int offsetout = 0;
-+ int ndesc_cdr = 0, err;
-+
-+ if (IS_ECB(rctx->flags))
-+ rctx->saState_base = 0;
-+
-+ if (split < datalen) {
-+ stateAddr = rctx->saState_base_ctr;
-+ n = split;
-+ } else {
-+ stateAddr = rctx->saState_base;
-+ n = datalen;
-+ }
-+
-+ do {
-+ if (nextin) {
-+ sgsrc = sg_next(sgsrc);
-+ remainin = sg_dma_len(sgsrc);
-+ if (remainin == 0)
-+ continue;
-+
-+ saddr = sg_dma_address(sgsrc);
-+ offsetin = 0;
-+ nextin = false;
-+ }
-+
-+ if (nextout) {
-+ sgdst = sg_next(sgdst);
-+ remainout = sg_dma_len(sgdst);
-+ if (remainout == 0)
-+ continue;
-+
-+ daddr = sg_dma_address(sgdst);
-+ offsetout = 0;
-+ nextout = false;
-+ }
-+ srcAddr = saddr + offsetin;
-+ dstAddr = daddr + offsetout;
-+
-+ if (remainin == remainout) {
-+ len = remainin;
-+ if (len > n) {
-+ len = n;
-+ remainin -= n;
-+ remainout -= n;
-+ offsetin += n;
-+ offsetout += n;
-+ } else {
-+ nextin = true;
-+ nextout = true;
-+ }
-+ } else if (remainin < remainout) {
-+ len = remainin;
-+ if (len > n) {
-+ len = n;
-+ remainin -= n;
-+ remainout -= n;
-+ offsetin += n;
-+ offsetout += n;
-+ } else {
-+ offsetout += len;
-+ remainout -= len;
-+ nextin = true;
-+ }
-+ } else {
-+ len = remainout;
-+ if (len > n) {
-+ len = n;
-+ remainin -= n;
-+ remainout -= n;
-+ offsetin += n;
-+ offsetout += n;
-+ } else {
-+ offsetin += len;
-+ remainin -= len;
-+ nextout = true;
-+ }
-+ }
-+ n -= len;
-+
-+ cdesc->srcAddr = srcAddr;
-+ cdesc->dstAddr = dstAddr;
-+ cdesc->stateAddr = stateAddr;
-+ cdesc->peLength.bits.peReady = 0;
-+ cdesc->peLength.bits.byPass = 0;
-+ cdesc->peLength.bits.length = len;
-+ cdesc->peLength.bits.hostReady = 1;
-+
-+ if (n == 0) {
-+ n = datalen - split;
-+ split = datalen;
-+ stateAddr = rctx->saState_base;
-+ }
-+
-+ if (n == 0)
-+ cdesc->userId |= MTK_DESC_LAST;
-+
-+ /* Loop - Delay - No need to rollback
-+ * Maybe refine by slowing down at MTK_RING_BUSY
-+ */
-+again:
-+ err = mtk_put_descriptor(mtk, cdesc);
-+ if (err) {
-+ udelay(500);
-+ goto again;
-+ }
-+ /* Writing new descriptor count starts DMA action */
-+ writel(1, mtk->base + EIP93_REG_PE_CD_COUNT);
-+
-+ ndesc_cdr++;
-+ } while (n);
-+
-+ return -EINPROGRESS;
-+}
-+
-+int mtk_send_req(struct crypto_async_request *async,
-+ const u8 *reqiv, struct mtk_cipher_reqctx *rctx)
-+{
-+ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm);
-+ struct mtk_device *mtk = ctx->mtk;
-+ struct scatterlist *src = rctx->sg_src;
-+ struct scatterlist *dst = rctx->sg_dst;
-+ struct saState_s *saState;
-+ struct mtk_state_pool *saState_pool;
-+ struct eip93_descriptor_s cdesc;
-+ u32 flags = rctx->flags;
-+ int idx;
-+ int offsetin = 0, err = -ENOMEM;
-+ u32 datalen = rctx->assoclen + rctx->textsize;
-+ u32 split = datalen;
-+ u32 start, end, ctr, blocks;
-+ u32 iv[AES_BLOCK_SIZE / sizeof(u32)];
-+
-+ rctx->saState_ctr = NULL;
-+ rctx->saState = NULL;
-+
-+ if (IS_ECB(flags))
-+ goto skip_iv;
-+
-+ memcpy(iv, reqiv, rctx->ivsize);
-+
-+ if (!IS_ALIGNED((u32)reqiv, rctx->ivsize) || IS_RFC3686(flags)) {
-+ rctx->flags &= ~MTK_DESC_DMA_IV;
-+ flags = rctx->flags;
-+ }
-+
-+ if (IS_DMA_IV(flags)) {
-+ rctx->saState = (void *)reqiv;
-+ } else {
-+ idx = mtk_get_free_saState(mtk);
-+ if (idx < 0)
-+ goto send_err;
-+ saState_pool = &mtk->ring->saState_pool[idx];
-+ rctx->saState_idx = idx;
-+ rctx->saState = saState_pool->base;
-+ rctx->saState_base = saState_pool->base_dma;
-+ memcpy(rctx->saState->stateIv, iv, rctx->ivsize);
-+ }
-+
-+ saState = rctx->saState;
-+
-+ if (IS_RFC3686(flags)) {
-+ saState->stateIv[0] = ctx->saNonce;
-+ saState->stateIv[1] = iv[0];
-+ saState->stateIv[2] = iv[1];
-+ saState->stateIv[3] = cpu_to_be32(1);
-+ } else if (!IS_HMAC(flags) && IS_CTR(flags)) {
-+ /* Compute data length. */
-+ blocks = DIV_ROUND_UP(rctx->textsize, AES_BLOCK_SIZE);
-+ ctr = be32_to_cpu(iv[3]);
-+ /* Check 32bit counter overflow. */
-+ start = ctr;
-+ end = start + blocks - 1;
-+ if (end < start) {
-+ split = AES_BLOCK_SIZE * -start;
-+ /*
-+ * Increment the counter manually to cope with
-+ * the hardware counter overflow.
-+ */
-+ iv[3] = 0xffffffff;
-+ crypto_inc((u8 *)iv, AES_BLOCK_SIZE);
-+ idx = mtk_get_free_saState(mtk);
-+ if (idx < 0)
-+ goto free_state;
-+ saState_pool = &mtk->ring->saState_pool[idx];
-+ rctx->saState_ctr_idx = idx;
-+ rctx->saState_ctr = saState_pool->base;
-+ rctx->saState_base_ctr = saState_pool->base_dma;
-+
-+ memcpy(rctx->saState_ctr->stateIv, reqiv, rctx->ivsize);
-+ memcpy(saState->stateIv, iv, rctx->ivsize);
-+ }
-+ }
-+
-+ if (IS_DMA_IV(flags)) {
-+ rctx->saState_base = dma_map_single(mtk->dev, (void *)reqiv,
-+ rctx->ivsize, DMA_TO_DEVICE);
-+ if (dma_mapping_error(mtk->dev, rctx->saState_base))
-+ goto free_state;
-+ }
-+skip_iv:
-+ cdesc.peCrtlStat.bits.hostReady = 1;
-+ cdesc.peCrtlStat.bits.prngMode = 0;
-+ cdesc.peCrtlStat.bits.hashFinal = 0;
-+ cdesc.peCrtlStat.bits.padCrtlStat = 0;
-+ cdesc.peCrtlStat.bits.peReady = 0;
-+ cdesc.saAddr = rctx->saRecord_base;
-+ cdesc.arc4Addr = (uint32_t)async;
-+ cdesc.userId = flags;
-+ rctx->cdesc = &cdesc;
-+
-+ /* map DMA_BIDIRECTIONAL to invalidate cache on destination
-+ * implies __dma_cache_wback_inv
-+ */
-+ dma_map_sg(mtk->dev, dst, rctx->dst_nents, DMA_BIDIRECTIONAL);
-+ if (src != dst)
-+ dma_map_sg(mtk->dev, src, rctx->src_nents, DMA_TO_DEVICE);
-+
-+ err = mtk_scatter_combine(mtk, rctx, datalen, split, offsetin);
-+
-+ return err;
-+
-+free_state:
-+ if (rctx->saState) {
-+ saState_pool = &mtk->ring->saState_pool[rctx->saState_idx];
-+ saState_pool->in_use = false;
-+ }
-+
-+ if (rctx->saState_ctr) {
-+ saState_pool = &mtk->ring->saState_pool[rctx->saState_ctr_idx];
-+ saState_pool->in_use = false;
-+ }
-+send_err:
-+ return err;
-+}
-+
-+void mtk_unmap_dma(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
-+ struct scatterlist *reqsrc, struct scatterlist *reqdst)
-+{
-+ u32 len = rctx->assoclen + rctx->textsize;
-+ u32 authsize = rctx->authsize;
-+ u32 flags = rctx->flags;
-+ u32 *otag;
-+ int i;
-+
-+ if (rctx->sg_src == rctx->sg_dst) {
-+ dma_unmap_sg(mtk->dev, rctx->sg_dst, rctx->dst_nents,
-+ DMA_BIDIRECTIONAL);
-+ goto process_tag;
-+ }
-+
-+ dma_unmap_sg(mtk->dev, rctx->sg_src, rctx->src_nents,
-+ DMA_TO_DEVICE);
-+
-+ if (rctx->sg_src != reqsrc)
-+ mtk_free_sg_copy(len + rctx->authsize, &rctx->sg_src);
-+
-+ dma_unmap_sg(mtk->dev, rctx->sg_dst, rctx->dst_nents,
-+ DMA_BIDIRECTIONAL);
-+
-+ /* SHA tags need conversion from net-to-host */
-+process_tag:
-+ if (IS_DECRYPT(flags))
-+ authsize = 0;
-+
-+ if (authsize) {
-+ if (!IS_HASH_MD5(flags)) {
-+ otag = sg_virt(rctx->sg_dst) + len;
-+ for (i = 0; i < (authsize / 4); i++)
-+ otag[i] = ntohl(otag[i]);
-+ }
-+ }
-+
-+ if (rctx->sg_dst != reqdst) {
-+ sg_copy_from_buffer(reqdst, sg_nents(reqdst),
-+ sg_virt(rctx->sg_dst), len + authsize);
-+ mtk_free_sg_copy(len + rctx->authsize, &rctx->sg_dst);
-+ }
-+}
-+
-+void mtk_handle_result(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
-+ u8 *reqiv)
-+{
-+ struct mtk_state_pool *saState_pool;
-+
-+ if (IS_DMA_IV(rctx->flags))
-+ dma_unmap_single(mtk->dev, rctx->saState_base, rctx->ivsize,
-+ DMA_TO_DEVICE);
-+
-+ if (!IS_ECB(rctx->flags))
-+ memcpy(reqiv, rctx->saState->stateIv, rctx->ivsize);
-+
-+ if ((rctx->saState) && !(IS_DMA_IV(rctx->flags))) {
-+ saState_pool = &mtk->ring->saState_pool[rctx->saState_idx];
-+ saState_pool->in_use = false;
-+ }
-+
-+ if (rctx->saState_ctr) {
-+ saState_pool = &mtk->ring->saState_pool[rctx->saState_ctr_idx];
-+ saState_pool->in_use = false;
-+ }
-+}
-+
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC)
-+/* basically this is set hmac - key */
-+int mtk_authenc_setkey(struct crypto_shash *cshash, struct saRecord_s *sa,
-+ const u8 *authkey, unsigned int authkeylen)
-+{
-+ int bs = crypto_shash_blocksize(cshash);
-+ int ds = crypto_shash_digestsize(cshash);
-+ int ss = crypto_shash_statesize(cshash);
-+ u8 *ipad, *opad;
-+ unsigned int i, err;
-+
-+ SHASH_DESC_ON_STACK(shash, cshash);
-+
-+ shash->tfm = cshash;
-+
-+ /* auth key
-+ *
-+ * EIP93 can only authenticate with hash of the key
-+ * do software shash until EIP93 hash function complete.
-+ */
-+ ipad = kcalloc(2, SHA256_BLOCK_SIZE + ss, GFP_KERNEL);
-+ if (!ipad)
-+ return -ENOMEM;
-+
-+ opad = ipad + SHA256_BLOCK_SIZE + ss;
-+
-+ if (authkeylen > bs) {
-+ err = crypto_shash_digest(shash, authkey,
-+ authkeylen, ipad);
-+ if (err)
-+ return err;
-+
-+ authkeylen = ds;
-+ } else
-+ memcpy(ipad, authkey, authkeylen);
-+
-+ memset(ipad + authkeylen, 0, bs - authkeylen);
-+ memcpy(opad, ipad, bs);
-+
-+ for (i = 0; i < bs; i++) {
-+ ipad[i] ^= HMAC_IPAD_VALUE;
-+ opad[i] ^= HMAC_OPAD_VALUE;
-+ }
-+
-+ err = crypto_shash_init(shash) ?:
-+ crypto_shash_update(shash, ipad, bs) ?:
-+ crypto_shash_export(shash, ipad) ?:
-+ crypto_shash_init(shash) ?:
-+ crypto_shash_update(shash, opad, bs) ?:
-+ crypto_shash_export(shash, opad);
-+
-+ if (err)
-+ return err;
-+
-+ /* add auth key */
-+ memcpy(&sa->saIDigest, ipad, SHA256_DIGEST_SIZE);
-+ memcpy(&sa->saODigest, opad, SHA256_DIGEST_SIZE);
-+
-+ kfree(ipad);
-+ return 0;
-+}
-+#endif
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-common.h
-@@ -0,0 +1,28 @@
-+/* SPDX-License-Identifier: GPL-2.0
-+ *
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+
-+#ifndef _EIP93_COMMON_H_
-+#define _EIP93_COMMON_H_
-+
-+#include "eip93-main.h"
-+
-+inline int mtk_put_descriptor(struct mtk_device *mtk,
-+ struct eip93_descriptor_s *desc);
-+
-+inline void *mtk_get_descriptor(struct mtk_device *mtk);
-+
-+inline int mtk_get_free_saState(struct mtk_device *mtk);
-+
-+void mtk_set_saRecord(struct saRecord_s *saRecord, const unsigned int keylen,
-+ const u32 flags);
-+
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC)
-+int mtk_authenc_setkey(struct crypto_shash *cshash, struct saRecord_s *sa,
-+ const u8 *authkey, unsigned int authkeylen);
-+#endif
-+
-+#endif /* _EIP93_COMMON_H_ */
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-des.h
-@@ -0,0 +1,15 @@
-+/* SPDX-License-Identifier: GPL-2.0
-+ *
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+#ifndef _EIP93_DES_H_
-+#define _EIP93_DES_H_
-+
-+extern struct mtk_alg_template mtk_alg_ecb_des;
-+extern struct mtk_alg_template mtk_alg_cbc_des;
-+extern struct mtk_alg_template mtk_alg_ecb_des3_ede;
-+extern struct mtk_alg_template mtk_alg_cbc_des3_ede;
-+
-+#endif /* _EIP93_DES_H_ */
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-main.c
-@@ -0,0 +1,467 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+
-+#include <linux/atomic.h>
-+#include <linux/clk.h>
-+#include <linux/delay.h>
-+#include <linux/dma-mapping.h>
-+#include <linux/interrupt.h>
-+#include <linux/module.h>
-+#include <linux/of_device.h>
-+#include <linux/platform_device.h>
-+#include <linux/spinlock.h>
-+
-+#include "eip93-main.h"
-+#include "eip93-regs.h"
-+#include "eip93-common.h"
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER)
-+#include "eip93-cipher.h"
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
-+#include "eip93-aes.h"
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+#include "eip93-des.h"
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD)
-+#include "eip93-aead.h"
-+#endif
-+
-+static struct mtk_alg_template *mtk_algs[] = {
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+ &mtk_alg_ecb_des,
-+ &mtk_alg_cbc_des,
-+ &mtk_alg_ecb_des3_ede,
-+ &mtk_alg_cbc_des3_ede,
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
-+ &mtk_alg_ecb_aes,
-+ &mtk_alg_cbc_aes,
-+ &mtk_alg_ctr_aes,
-+ &mtk_alg_rfc3686_aes,
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD)
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+ &mtk_alg_authenc_hmac_md5_cbc_des,
-+ &mtk_alg_authenc_hmac_sha1_cbc_des,
-+ &mtk_alg_authenc_hmac_sha224_cbc_des,
-+ &mtk_alg_authenc_hmac_sha256_cbc_des,
-+ &mtk_alg_authenc_hmac_md5_cbc_des3_ede,
-+ &mtk_alg_authenc_hmac_sha1_cbc_des3_ede,
-+ &mtk_alg_authenc_hmac_sha224_cbc_des3_ede,
-+ &mtk_alg_authenc_hmac_sha256_cbc_des3_ede,
-+#endif
-+ &mtk_alg_authenc_hmac_md5_cbc_aes,
-+ &mtk_alg_authenc_hmac_sha1_cbc_aes,
-+ &mtk_alg_authenc_hmac_sha224_cbc_aes,
-+ &mtk_alg_authenc_hmac_sha256_cbc_aes,
-+ &mtk_alg_authenc_hmac_md5_rfc3686_aes,
-+ &mtk_alg_authenc_hmac_sha1_rfc3686_aes,
-+ &mtk_alg_authenc_hmac_sha224_rfc3686_aes,
-+ &mtk_alg_authenc_hmac_sha256_rfc3686_aes,
-+#endif
-+};
-+
-+inline void mtk_irq_disable(struct mtk_device *mtk, u32 mask)
-+{
-+ __raw_writel(mask, mtk->base + EIP93_REG_MASK_DISABLE);
-+}
-+
-+inline void mtk_irq_enable(struct mtk_device *mtk, u32 mask)
-+{
-+ __raw_writel(mask, mtk->base + EIP93_REG_MASK_ENABLE);
-+}
-+
-+inline void mtk_irq_clear(struct mtk_device *mtk, u32 mask)
-+{
-+ __raw_writel(mask, mtk->base + EIP93_REG_INT_CLR);
-+}
-+
-+static void mtk_unregister_algs(unsigned int i)
-+{
-+ unsigned int j;
-+
-+ for (j = 0; j < i; j++) {
-+ switch (mtk_algs[j]->type) {
-+ case MTK_ALG_TYPE_SKCIPHER:
-+ crypto_unregister_skcipher(&mtk_algs[j]->alg.skcipher);
-+ break;
-+ case MTK_ALG_TYPE_AEAD:
-+ crypto_unregister_aead(&mtk_algs[j]->alg.aead);
-+ break;
-+ }
-+ }
-+}
-+
-+static int mtk_register_algs(struct mtk_device *mtk)
-+{
-+ unsigned int i;
-+ int err = 0;
-+
-+ for (i = 0; i < ARRAY_SIZE(mtk_algs); i++) {
-+ mtk_algs[i]->mtk = mtk;
-+
-+ switch (mtk_algs[i]->type) {
-+ case MTK_ALG_TYPE_SKCIPHER:
-+ err = crypto_register_skcipher(&mtk_algs[i]->alg.skcipher);
-+ break;
-+ case MTK_ALG_TYPE_AEAD:
-+ err = crypto_register_aead(&mtk_algs[i]->alg.aead);
-+ break;
-+ }
-+ if (err)
-+ goto fail;
-+ }
-+
-+ return 0;
-+
-+fail:
-+ mtk_unregister_algs(i);
-+
-+ return err;
-+}
-+
-+static void mtk_handle_result_descriptor(struct mtk_device *mtk)
-+{
-+ struct crypto_async_request *async;
-+ struct eip93_descriptor_s *rdesc;
-+ bool last_entry;
-+ u32 flags;
-+ int handled, ready, err;
-+ union peCrtlStat_w done1;
-+ union peLength_w done2;
-+
-+get_more:
-+ handled = 0;
-+
-+ ready = readl(mtk->base + EIP93_REG_PE_RD_COUNT) & GENMASK(10, 0);
-+
-+ if (!ready) {
-+ mtk_irq_clear(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
-+ mtk_irq_enable(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
-+ return;
-+ }
-+
-+ last_entry = false;
-+
-+ while (ready) {
-+ rdesc = mtk_get_descriptor(mtk);
-+ if (IS_ERR(rdesc)) {
-+ dev_err(mtk->dev, "Ndesc: %d nreq: %d\n",
-+ handled, ready);
-+ err = -EIO;
-+ break;
-+ }
-+ /* make sure DMA is finished writing */
-+ do {
-+ done1.word = READ_ONCE(rdesc->peCrtlStat.word);
-+ done2.word = READ_ONCE(rdesc->peLength.word);
-+ } while ((!done1.bits.peReady) || (!done2.bits.peReady));
-+
-+ err = rdesc->peCrtlStat.bits.errStatus;
-+
-+ flags = rdesc->userId;
-+ async = (struct crypto_async_request *)rdesc->arc4Addr;
-+
-+ writel(1, mtk->base + EIP93_REG_PE_RD_COUNT);
-+ mtk_irq_clear(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
-+
-+ handled++;
-+ ready--;
-+
-+ if (flags & MTK_DESC_LAST) {
-+ last_entry = true;
-+ break;
-+ }
-+ }
-+
-+ if (!last_entry)
-+ goto get_more;
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER)
-+ if (flags & MTK_DESC_SKCIPHER)
-+ mtk_skcipher_handle_result(async, err);
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD)
-+ if (flags & MTK_DESC_AEAD)
-+ mtk_aead_handle_result(async, err);
-+#endif
-+ goto get_more;
-+}
-+
-+static void mtk_done_task(unsigned long data)
-+{
-+ struct mtk_device *mtk = (struct mtk_device *)data;
-+
-+ mtk_handle_result_descriptor(mtk);
-+}
-+
-+static irqreturn_t mtk_irq_handler(int irq, void *dev_id)
-+{
-+ struct mtk_device *mtk = (struct mtk_device *)dev_id;
-+ u32 irq_status;
-+
-+ irq_status = readl(mtk->base + EIP93_REG_INT_MASK_STAT);
-+
-+ if (irq_status & EIP93_INT_PE_RDRTHRESH_REQ) {
-+ mtk_irq_disable(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
-+ tasklet_schedule(&mtk->ring->done_task);
-+ return IRQ_HANDLED;
-+ }
-+
-+ mtk_irq_clear(mtk, irq_status);
-+ if (irq_status)
-+ mtk_irq_disable(mtk, irq_status);
-+
-+ return IRQ_NONE;
-+}
-+
-+static void mtk_initialize(struct mtk_device *mtk)
-+{
-+ union peConfig_w peConfig;
-+ union peEndianCfg_w peEndianCfg;
-+ union peIntCfg_w peIntCfg;
-+ union peClockCfg_w peClockCfg;
-+ union peBufThresh_w peBufThresh;
-+ union peRingThresh_w peRingThresh;
-+
-+ /* Reset Engine and setup Mode */
-+ peConfig.word = 0;
-+ peConfig.bits.resetPE = 1;
-+ peConfig.bits.resetRing = 1;
-+ peConfig.bits.peMode = 3;
-+ peConfig.bits.enCDRupdate = 1;
-+
-+ writel(peConfig.word, mtk->base + EIP93_REG_PE_CONFIG);
-+
-+ udelay(10);
-+
-+ peConfig.bits.resetPE = 0;
-+ peConfig.bits.resetRing = 0;
-+
-+ writel(peConfig.word, mtk->base + EIP93_REG_PE_CONFIG);
-+
-+ /* Initialize the BYTE_ORDER_CFG register */
-+ peEndianCfg.word = 0;
-+ writel(peEndianCfg.word, mtk->base + EIP93_REG_PE_ENDIAN_CONFIG);
-+
-+ /* Initialize the INT_CFG register */
-+ peIntCfg.word = 0;
-+ writel(peIntCfg.word, mtk->base + EIP93_REG_INT_CFG);
-+
-+ /* Config Clocks */
-+ peClockCfg.word = 0;
-+ peClockCfg.bits.enPEclk = 1;
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
-+ peClockCfg.bits.enDESclk = 1;
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
-+ peClockCfg.bits.enAESclk = 1;
-+#endif
-+#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC)
-+ peClockCfg.bits.enHASHclk = 1;
-+#endif
-+ writel(peClockCfg.word, mtk->base + EIP93_REG_PE_CLOCK_CTRL);
-+
-+ /* Config DMA thresholds */
-+ peBufThresh.word = 0;
-+ peBufThresh.bits.inputBuffer = 128;
-+ peBufThresh.bits.outputBuffer = 128;
-+
-+ writel(peBufThresh.word, mtk->base + EIP93_REG_PE_BUF_THRESH);
-+
-+ /* Clear/ack all interrupts before disable all */
-+ mtk_irq_clear(mtk, 0xFFFFFFFF);
-+ mtk_irq_disable(mtk, 0xFFFFFFFF);
-+
-+ /* Config Ring Threshold */
-+ peRingThresh.word = 0;
-+ peRingThresh.bits.CDRThresh = MTK_RING_SIZE - MTK_RING_BUSY;
-+ peRingThresh.bits.RDRThresh = 0;
-+ peRingThresh.bits.RDTimeout = 5;
-+ peRingThresh.bits.enTimeout = 1;
-+
-+ writel(peRingThresh.word, mtk->base + EIP93_REG_PE_RING_THRESH);
-+}
-+
-+static void mtk_desc_free(struct mtk_device *mtk)
-+{
-+ writel(0, mtk->base + EIP93_REG_PE_RING_CONFIG);
-+ writel(0, mtk->base + EIP93_REG_PE_CDR_BASE);
-+ writel(0, mtk->base + EIP93_REG_PE_RDR_BASE);
-+}
-+
-+static int mtk_set_ring(struct mtk_device *mtk, struct mtk_desc_ring *ring,
-+ int Offset)
-+{
-+ ring->offset = Offset;
-+ ring->base = dmam_alloc_coherent(mtk->dev, Offset * MTK_RING_SIZE,
-+ &ring->base_dma, GFP_KERNEL);
-+ if (!ring->base)
-+ return -ENOMEM;
-+
-+ ring->write = ring->base;
-+ ring->base_end = ring->base + Offset * (MTK_RING_SIZE - 1);
-+ ring->read = ring->base;
-+
-+ return 0;
-+}
-+
-+static int mtk_desc_init(struct mtk_device *mtk)
-+{
-+ struct mtk_state_pool *saState_pool;
-+ struct mtk_desc_ring *cdr = &mtk->ring->cdr;
-+ struct mtk_desc_ring *rdr = &mtk->ring->rdr;
-+ union peRingCfg_w peRingCfg;
-+ int RingOffset, err, i;
-+
-+ RingOffset = sizeof(struct eip93_descriptor_s);
-+
-+ err = mtk_set_ring(mtk, cdr, RingOffset);
-+ if (err)
-+ return err;
-+
-+ err = mtk_set_ring(mtk, rdr, RingOffset);
-+ if (err)
-+ return err;
-+
-+ writel((u32)cdr->base_dma, mtk->base + EIP93_REG_PE_CDR_BASE);
-+ writel((u32)rdr->base_dma, mtk->base + EIP93_REG_PE_RDR_BASE);
-+
-+ peRingCfg.word = 0;
-+ peRingCfg.bits.ringSize = MTK_RING_SIZE - 1;
-+ peRingCfg.bits.ringOffset = RingOffset / 4;
-+
-+ writel(peRingCfg.word, mtk->base + EIP93_REG_PE_RING_CONFIG);
-+
-+ atomic_set(&mtk->ring->free, MTK_RING_SIZE - 1);
-+ /* Create State record DMA pool */
-+ RingOffset = sizeof(struct saState_s);
-+ mtk->ring->saState = dmam_alloc_coherent(mtk->dev,
-+ RingOffset * MTK_RING_SIZE,
-+ &mtk->ring->saState_dma, GFP_KERNEL);
-+ if (!mtk->ring->saState)
-+ return -ENOMEM;
-+
-+ mtk->ring->saState_pool = devm_kcalloc(mtk->dev, 1,
-+ sizeof(struct mtk_state_pool) * MTK_RING_SIZE,
-+ GFP_KERNEL);
-+
-+ for (i = 0; i < MTK_RING_SIZE; i++) {
-+ saState_pool = &mtk->ring->saState_pool[i];
-+ saState_pool->base = mtk->ring->saState + (i * RingOffset);
-+ saState_pool->base_dma = mtk->ring->saState_dma + (i * RingOffset);
-+ saState_pool->in_use = false;
-+ }
-+
-+ return 0;
-+}
-+
-+static void mtk_cleanup(struct mtk_device *mtk)
-+{
-+ tasklet_kill(&mtk->ring->done_task);
-+
-+ /* Clear/ack all interrupts before disable all */
-+ mtk_irq_clear(mtk, 0xFFFFFFFF);
-+ mtk_irq_disable(mtk, 0xFFFFFFFF);
-+
-+ writel(0, mtk->base + EIP93_REG_PE_CLOCK_CTRL);
-+
-+ mtk_desc_free(mtk);
-+}
-+
-+static int mtk_crypto_probe(struct platform_device *pdev)
-+{
-+ struct device *dev = &pdev->dev;
-+ struct mtk_device *mtk;
-+ struct resource *res;
-+ int err;
-+
-+ mtk = devm_kzalloc(dev, sizeof(*mtk), GFP_KERNEL);
-+ if (!mtk)
-+ return -ENOMEM;
-+
-+ mtk->dev = dev;
-+ platform_set_drvdata(pdev, mtk);
-+
-+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ mtk->base = devm_ioremap_resource(&pdev->dev, res);
-+
-+ if (IS_ERR(mtk->base))
-+ return PTR_ERR(mtk->base);
-+
-+ mtk->irq = platform_get_irq(pdev, 0);
-+
-+ if (mtk->irq < 0)
-+ return mtk->irq;
-+
-+ err = devm_request_threaded_irq(mtk->dev, mtk->irq, mtk_irq_handler,
-+ NULL, IRQF_ONESHOT,
-+ dev_name(mtk->dev), mtk);
-+
-+ mtk->ring = devm_kcalloc(mtk->dev, 1, sizeof(*mtk->ring), GFP_KERNEL);
-+
-+ if (!mtk->ring)
-+ return -ENOMEM;
-+
-+ err = mtk_desc_init(mtk);
-+ if (err)
-+ return err;
-+
-+ tasklet_init(&mtk->ring->done_task, mtk_done_task, (unsigned long)mtk);
-+
-+ spin_lock_init(&mtk->ring->read_lock);
-+ spin_lock_init(&mtk->ring->write_lock);
-+
-+ mtk_initialize(mtk);
-+
-+ /* Init. finished, enable RDR interupt */
-+ mtk_irq_enable(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
-+
-+ err = mtk_register_algs(mtk);
-+ if (err) {
-+ mtk_cleanup(mtk);
-+ return err;
-+ }
-+
-+ dev_info(mtk->dev, "EIP93 Crypto Engine Initialized.");
-+
-+ return 0;
-+}
-+
-+static int mtk_crypto_remove(struct platform_device *pdev)
-+{
-+ struct mtk_device *mtk = platform_get_drvdata(pdev);
-+
-+ mtk_unregister_algs(ARRAY_SIZE(mtk_algs));
-+ mtk_cleanup(mtk);
-+ dev_info(mtk->dev, "EIP93 removed.\n");
-+
-+ return 0;
-+}
-+
-+#if defined(CONFIG_OF)
-+static const struct of_device_id mtk_crypto_of_match[] = {
-+ { .compatible = "mediatek,mtk-eip93", },
-+ {}
-+};
-+MODULE_DEVICE_TABLE(of, mtk_crypto_of_match);
-+#endif
-+
-+static struct platform_driver mtk_crypto_driver = {
-+ .probe = mtk_crypto_probe,
-+ .remove = mtk_crypto_remove,
-+ .driver = {
-+ .name = "mtk-eip93",
-+ .of_match_table = of_match_ptr(mtk_crypto_of_match),
-+ },
-+};
-+module_platform_driver(mtk_crypto_driver);
-+
-+MODULE_AUTHOR("Richard van Schagen <vschagen@cs.com>");
-+MODULE_ALIAS("platform:" KBUILD_MODNAME);
-+MODULE_DESCRIPTION("Mediatek EIP-93 crypto engine driver");
-+MODULE_LICENSE("GPL v2");
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-main.h
-@@ -0,0 +1,146 @@
-+/* SPDX-License-Identifier: GPL-2.0
-+ *
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+#ifndef _EIP93_MAIN_H_
-+#define _EIP93_MAIN_H_
-+
-+#include <crypto/internal/aead.h>
-+#include <crypto/internal/hash.h>
-+#include <crypto/internal/rng.h>
-+#include <crypto/internal/skcipher.h>
-+#include <linux/device.h>
-+#include <linux/interrupt.h>
-+
-+#define MTK_RING_SIZE 512
-+#define MTK_RING_BUSY 32
-+#define MTK_CRA_PRIORITY 1500
-+
-+/* cipher algorithms */
-+#define MTK_ALG_DES BIT(0)
-+#define MTK_ALG_3DES BIT(1)
-+#define MTK_ALG_AES BIT(2)
-+#define MTK_ALG_MASK GENMASK(2, 0)
-+/* hash and hmac algorithms */
-+#define MTK_HASH_MD5 BIT(3)
-+#define MTK_HASH_SHA1 BIT(4)
-+#define MTK_HASH_SHA224 BIT(5)
-+#define MTK_HASH_SHA256 BIT(6)
-+#define MTK_HASH_HMAC BIT(7)
-+#define MTK_HASH_MASK GENMASK(6, 3)
-+/* cipher modes */
-+#define MTK_MODE_CBC BIT(8)
-+#define MTK_MODE_ECB BIT(9)
-+#define MTK_MODE_CTR BIT(10)
-+#define MTK_MODE_RFC3686 BIT(11)
-+#define MTK_MODE_MASK GENMASK(10, 8)
-+
-+/* cipher encryption/decryption operations */
-+#define MTK_ENCRYPT BIT(12)
-+#define MTK_DECRYPT BIT(13)
-+
-+#define MTK_BUSY BIT(14)
-+
-+/* descriptor flags */
-+#define MTK_DESC_ASYNC BIT(31)
-+#define MTK_DESC_SKCIPHER BIT(30)
-+#define MTK_DESC_AEAD BIT(29)
-+#define MTK_DESC_AHASH BIT(28)
-+#define MTK_DESC_PRNG BIT(27)
-+#define MTK_DESC_FAKE_HMAC BIT(26)
-+#define MTK_DESC_LAST BIT(25)
-+#define MTK_DESC_FINISH BIT(24)
-+#define MTK_DESC_IPSEC BIT(23)
-+#define MTK_DESC_DMA_IV BIT(22)
-+
-+#define IS_DES(flags) (flags & MTK_ALG_DES)
-+#define IS_3DES(flags) (flags & MTK_ALG_3DES)
-+#define IS_AES(flags) (flags & MTK_ALG_AES)
-+
-+#define IS_HASH_MD5(flags) (flags & MTK_HASH_MD5)
-+#define IS_HASH_SHA1(flags) (flags & MTK_HASH_SHA1)
-+#define IS_HASH_SHA224(flags) (flags & MTK_HASH_SHA224)
-+#define IS_HASH_SHA256(flags) (flags & MTK_HASH_SHA256)
-+#define IS_HMAC(flags) (flags & MTK_HASH_HMAC)
-+
-+#define IS_CBC(mode) (mode & MTK_MODE_CBC)
-+#define IS_ECB(mode) (mode & MTK_MODE_ECB)
-+#define IS_CTR(mode) (mode & MTK_MODE_CTR)
-+#define IS_RFC3686(mode) (mode & MTK_MODE_RFC3686)
-+
-+#define IS_BUSY(flags) (flags & MTK_BUSY)
-+#define IS_DMA_IV(flags) (flags & MTK_DESC_DMA_IV)
-+
-+#define IS_ENCRYPT(dir) (dir & MTK_ENCRYPT)
-+#define IS_DECRYPT(dir) (dir & MTK_DECRYPT)
-+
-+#define IS_CIPHER(flags) (flags & (MTK_ALG_DES || \
-+ MTK_ALG_3DES || \
-+ MTK_ALG_AES))
-+
-+#define IS_HASH(flags) (flags & (MTK_HASH_MD5 || \
-+ MTK_HASH_SHA1 || \
-+ MTK_HASH_SHA224 || \
-+ MTK_HASH_SHA256))
-+
-+/**
-+ * struct mtk_device - crypto engine device structure
-+ */
-+struct mtk_device {
-+ void __iomem *base;
-+ struct device *dev;
-+ struct clk *clk;
-+ int irq;
-+ struct mtk_ring *ring;
-+ struct mtk_state_pool *saState_pool;
-+};
-+
-+struct mtk_desc_ring {
-+ void *base;
-+ void *base_end;
-+ dma_addr_t base_dma;
-+ /* write and read pointers */
-+ void *read;
-+ void *write;
-+ /* descriptor element offset */
-+ u32 offset;
-+};
-+
-+struct mtk_state_pool {
-+ void *base;
-+ dma_addr_t base_dma;
-+ bool in_use;
-+};
-+
-+struct mtk_ring {
-+ struct tasklet_struct done_task;
-+ /* command/result rings */
-+ struct mtk_desc_ring cdr;
-+ struct mtk_desc_ring rdr;
-+ spinlock_t write_lock;
-+ spinlock_t read_lock;
-+ atomic_t free;
-+ /* saState */
-+ struct mtk_state_pool *saState_pool;
-+ void *saState;
-+ dma_addr_t saState_dma;
-+};
-+
-+enum mtk_alg_type {
-+ MTK_ALG_TYPE_AEAD,
-+ MTK_ALG_TYPE_SKCIPHER,
-+};
-+
-+struct mtk_alg_template {
-+ struct mtk_device *mtk;
-+ enum mtk_alg_type type;
-+ u32 flags;
-+ union {
-+ struct aead_alg aead;
-+ struct skcipher_alg skcipher;
-+ } alg;
-+};
-+
-+#endif /* _EIP93_MAIN_H_ */
---- /dev/null
-+++ b/drivers/crypto/mtk-eip93/eip93-regs.h
-@@ -0,0 +1,382 @@
-+/* SPDX-License-Identifier: GPL-2.0 */
-+/*
-+ * Copyright (C) 2019 - 2021
-+ *
-+ * Richard van Schagen <vschagen@icloud.com>
-+ */
-+#ifndef REG_EIP93_H
-+#define REG_EIP93_H
-+
-+#define EIP93_REG_WIDTH 4
-+/*-----------------------------------------------------------------------------
-+ * Register Map
-+ */
-+#define DESP_BASE 0x0000000
-+#define EIP93_REG_PE_CTRL_STAT ((DESP_BASE)+(0x00 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_SOURCE_ADDR ((DESP_BASE)+(0x01 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_DEST_ADDR ((DESP_BASE)+(0x02 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_SA_ADDR ((DESP_BASE)+(0x03 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_ADDR ((DESP_BASE)+(0x04 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_USER_ID ((DESP_BASE)+(0x06 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_LENGTH ((DESP_BASE)+(0x07 * EIP93_REG_WIDTH))
-+
-+//PACKET ENGINE RING configuration registers
-+#define PE_RNG_BASE 0x0000080
-+
-+#define EIP93_REG_PE_CDR_BASE ((PE_RNG_BASE)+(0x00 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_RDR_BASE ((PE_RNG_BASE)+(0x01 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_RING_CONFIG ((PE_RNG_BASE)+(0x02 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_RING_THRESH ((PE_RNG_BASE)+(0x03 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_CD_COUNT ((PE_RNG_BASE)+(0x04 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_RD_COUNT ((PE_RNG_BASE)+(0x05 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_RING_RW_PNTR ((PE_RNG_BASE)+(0x06 * EIP93_REG_WIDTH))
-+
-+//PACKET ENGINE configuration registers
-+#define PE_CFG_BASE 0x0000100
-+#define EIP93_REG_PE_CONFIG ((PE_CFG_BASE)+(0x00 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_STATUS ((PE_CFG_BASE)+(0x01 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_BUF_THRESH ((PE_CFG_BASE)+(0x03 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_INBUF_COUNT ((PE_CFG_BASE)+(0x04 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_OUTBUF_COUNT ((PE_CFG_BASE)+(0x05 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_BUF_RW_PNTR ((PE_CFG_BASE)+(0x06 * EIP93_REG_WIDTH))
-+
-+//PACKET ENGINE endian config
-+#define EN_CFG_BASE 0x00001CC
-+#define EIP93_REG_PE_ENDIAN_CONFIG ((EN_CFG_BASE)+(0x00 * EIP93_REG_WIDTH))
-+
-+//EIP93 CLOCK control registers
-+#define CLOCK_BASE 0x01E8
-+#define EIP93_REG_PE_CLOCK_CTRL ((CLOCK_BASE)+(0x00 * EIP93_REG_WIDTH))
-+
-+//EIP93 Device Option and Revision Register
-+#define REV_BASE 0x01F4
-+#define EIP93_REG_PE_OPTION_1 ((REV_BASE)+(0x00 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_OPTION_0 ((REV_BASE)+(0x01 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PE_REVISION ((REV_BASE)+(0x02 * EIP93_REG_WIDTH))
-+
-+//EIP93 Interrupt Control Register
-+#define INT_BASE 0x0200
-+#define EIP93_REG_INT_UNMASK_STAT ((INT_BASE)+(0x00 * EIP93_REG_WIDTH))
-+#define EIP93_REG_INT_MASK_STAT ((INT_BASE)+(0x01 * EIP93_REG_WIDTH))
-+#define EIP93_REG_INT_CLR ((INT_BASE)+(0x01 * EIP93_REG_WIDTH))
-+#define EIP93_REG_INT_MASK ((INT_BASE)+(0x02 * EIP93_REG_WIDTH))
-+#define EIP93_REG_INT_CFG ((INT_BASE)+(0x03 * EIP93_REG_WIDTH))
-+#define EIP93_REG_MASK_ENABLE ((INT_BASE)+(0X04 * EIP93_REG_WIDTH))
-+#define EIP93_REG_MASK_DISABLE ((INT_BASE)+(0X05 * EIP93_REG_WIDTH))
-+
-+//EIP93 SA Record register
-+#define SA_BASE 0x0400
-+#define EIP93_REG_SA_CMD_0 ((SA_BASE)+(0x00 * EIP93_REG_WIDTH))
-+#define EIP93_REG_SA_CMD_1 ((SA_BASE)+(0x01 * EIP93_REG_WIDTH))
-+
-+//#define EIP93_REG_SA_READY ((SA_BASE)+(31 * EIP93_REG_WIDTH))
-+
-+//State save register
-+#define STATE_BASE 0x0500
-+#define EIP93_REG_STATE_IV_0 ((STATE_BASE)+(0x00 * EIP93_REG_WIDTH))
-+#define EIP93_REG_STATE_IV_1 ((STATE_BASE)+(0x01 * EIP93_REG_WIDTH))
-+
-+#define EIP93_PE_ARC4STATE_BASEADDR_REG 0x0700
-+
-+//RAM buffer start address
-+#define EIP93_INPUT_BUFFER 0x0800
-+#define EIP93_OUTPUT_BUFFER 0x0800
-+
-+//EIP93 PRNG Configuration Register
-+#define PRNG_BASE 0x0300
-+#define EIP93_REG_PRNG_STAT ((PRNG_BASE)+(0x00 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_CTRL ((PRNG_BASE)+(0x01 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_SEED_0 ((PRNG_BASE)+(0x02 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_SEED_1 ((PRNG_BASE)+(0x03 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_SEED_2 ((PRNG_BASE)+(0x04 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_SEED_3 ((PRNG_BASE)+(0x05 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_KEY_0 ((PRNG_BASE)+(0x06 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_KEY_1 ((PRNG_BASE)+(0x07 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_KEY_2 ((PRNG_BASE)+(0x08 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_KEY_3 ((PRNG_BASE)+(0x09 * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_RES_0 ((PRNG_BASE)+(0x0A * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_RES_1 ((PRNG_BASE)+(0x0B * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_RES_2 ((PRNG_BASE)+(0x0C * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_RES_3 ((PRNG_BASE)+(0x0D * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_LFSR_0 ((PRNG_BASE)+(0x0E * EIP93_REG_WIDTH))
-+#define EIP93_REG_PRNG_LFSR_1 ((PRNG_BASE)+(0x0F * EIP93_REG_WIDTH))
-+
-+/*-----------------------------------------------------------------------------
-+ * Constants & masks
-+ */
-+
-+#define EIP93_SUPPORTED_INTERRUPTS_MASK 0xffff7f00
-+#define EIP93_PRNG_DT_TEXT_LOWERHALF 0xDEAD
-+#define EIP93_PRNG_DT_TEXT_UPPERHALF 0xC0DE
-+#define EIP93_10BITS_MASK 0X3FF
-+#define EIP93_12BITS_MASK 0XFFF
-+#define EIP93_4BITS_MASK 0X04
-+#define EIP93_20BITS_MASK 0xFFFFF
-+
-+#define EIP93_MIN_DESC_DONE_COUNT 0
-+#define EIP93_MAX_DESC_DONE_COUNT 15
-+
-+#define EIP93_MIN_DESC_PENDING_COUNT 0
-+#define EIP93_MAX_DESC_PENDING_COUNT 1023
-+
-+#define EIP93_MIN_TIMEOUT_COUNT 0
-+#define EIP93_MAX_TIMEOUT_COUNT 15
-+
-+#define EIP93_MIN_PE_INPUT_THRESHOLD 1
-+#define EIP93_MAX_PE_INPUT_THRESHOLD 511
-+
-+#define EIP93_MIN_PE_OUTPUT_THRESHOLD 1
-+#define EIP93_MAX_PE_OUTPUT_THRESHOLD 432
-+
-+#define EIP93_MIN_PE_RING_SIZE 1
-+#define EIP93_MAX_PE_RING_SIZE 1023
-+
-+#define EIP93_MIN_PE_DESCRIPTOR_SIZE 7
-+#define EIP93_MAX_PE_DESCRIPTOR_SIZE 15
-+
-+//3DES keys,seed,known data and its result
-+#define EIP93_KEY_0 0x133b3454
-+#define EIP93_KEY_1 0x5e5b890b
-+#define EIP93_KEY_2 0x5eb30757
-+#define EIP93_KEY_3 0x93ab15f7
-+#define EIP93_SEED_0 0x62c4bf5e
-+#define EIP93_SEED_1 0x972667c8
-+#define EIP93_SEED_2 0x6345bf67
-+#define EIP93_SEED_3 0xcb3482bf
-+#define EIP93_LFSR_0 0xDEADC0DE
-+#define EIP93_LFSR_1 0xBEEFF00D
-+
-+/*-----------------------------------------------------------------------------
-+ * EIP93 device initialization specifics
-+ */
-+
-+/*----------------------------------------------------------------------------
-+ * Byte Order Reversal Mechanisms Supported in EIP93
-+ * EIP93_BO_REVERSE_HALF_WORD : reverse the byte order within a half-word
-+ * EIP93_BO_REVERSE_WORD : reverse the byte order within a word
-+ * EIP93_BO_REVERSE_DUAL_WORD : reverse the byte order within a dual-word
-+ * EIP93_BO_REVERSE_QUAD_WORD : reverse the byte order within a quad-word
-+ */
-+enum EIP93_Byte_Order_Value_t {
-+ EIP93_BO_REVERSE_HALF_WORD = 1,
-+ EIP93_BO_REVERSE_WORD = 2,
-+ EIP93_BO_REVERSE_DUAL_WORD = 4,
-+ EIP93_BO_REVERSE_QUAD_WORD = 8,
-+};
-+
-+/*----------------------------------------------------------------------------
-+ * Byte Order Reversal Mechanisms Supported in EIP93 for Target Data
-+ * EIP93_BO_REVERSE_HALF_WORD : reverse the byte order within a half-word
-+ * EIP93_BO_REVERSE_WORD : reverse the byte order within a word
-+ */
-+enum EIP93_Byte_Order_Value_TD_t {
-+ EIP93_BO_REVERSE_HALF_WORD_TD = 1,
-+ EIP93_BO_REVERSE_WORD_TD = 2,
-+};
-+
-+// BYTE_ORDER_CFG register values
-+#define EIP93_BYTE_ORDER_PD EIP93_BO_REVERSE_WORD
-+#define EIP93_BYTE_ORDER_SA EIP93_BO_REVERSE_WORD
-+#define EIP93_BYTE_ORDER_DATA EIP93_BO_REVERSE_WORD
-+#define EIP93_BYTE_ORDER_TD EIP93_BO_REVERSE_WORD_TD
-+
-+// INT_CFG register values
-+#define EIP93_INT_HOST_OUTPUT_TYPE 0
-+#define EIP93_INT_PULSE_CLEAR 0
-+
-+/*
-+ * Interrupts of EIP93
-+ */
-+
-+enum EIP93_InterruptSource_t {
-+ EIP93_INT_PE_CDRTHRESH_REQ = BIT(0),
-+ EIP93_INT_PE_RDRTHRESH_REQ = BIT(1),
-+ EIP93_INT_PE_OPERATION_DONE = BIT(9),
-+ EIP93_INT_PE_INBUFTHRESH_REQ = BIT(10),
-+ EIP93_INT_PE_OUTBURTHRSH_REQ = BIT(11),
-+ EIP93_INT_PE_PRNG_IRQ = BIT(12),
-+ EIP93_INT_PE_ERR_REG = BIT(13),
-+ EIP93_INT_PE_RD_DONE_IRQ = BIT(16),
-+};
-+
-+union peConfig_w {
-+ u32 word;
-+ struct {
-+ u32 resetPE :1;
-+ u32 resetRing :1;
-+ u32 reserved :6;
-+ u32 peMode :2;
-+ u32 enCDRupdate :1;
-+ u32 reserved2 :5;
-+ u32 swapCDRD :1;
-+ u32 swapSA :1;
-+ u32 swapData :1;
-+ u32 reserved3 :13;
-+ } bits;
-+} __packed;
-+
-+union peEndianCfg_w {
-+ u32 word;
-+ struct {
-+ u32 masterByteSwap :8;
-+ u32 reserved :8;
-+ u32 targetByteSwap :8;
-+ u32 reserved2 :8;
-+ } bits;
-+} __packed;
-+
-+union peIntCfg_w {
-+ u32 word;
-+ struct {
-+ u32 PulseClear :1;
-+ u32 IntType :1;
-+ u32 reserved :30;
-+ } bits;
-+} __packed;
-+
-+union peClockCfg_w {
-+ u32 word;
-+ struct {
-+ u32 enPEclk :1;
-+ u32 enDESclk :1;
-+ u32 enAESclk :1;
-+ u32 reserved :1;
-+ u32 enHASHclk :1;
-+ u32 reserved2 :27;
-+ } bits;
-+} __packed;
-+
-+union peBufThresh_w {
-+ u32 word;
-+ struct {
-+ u32 inputBuffer :8;
-+ u32 reserved :8;
-+ u32 outputBuffer :8;
-+ u32 reserved2 :8;
-+ } bits;
-+} __packed;
-+
-+union peRingThresh_w {
-+ u32 word;
-+ struct {
-+ u32 CDRThresh :10;
-+ u32 reserved :6;
-+ u32 RDRThresh :10;
-+ u32 RDTimeout :4;
-+ u32 reserved2 :1;
-+ u32 enTimeout :1;
-+ } bits;
-+} __packed;
-+
-+union peRingCfg_w {
-+ u32 word;
-+ struct {
-+ u32 ringSize :10;
-+ u32 reserved :6;
-+ u32 ringOffset :8;
-+ u32 reserved2 :8;
-+ } bits;
-+} __packed;
-+
-+union saCmd0 {
-+ u32 word;
-+ struct {
-+ u32 opCode :3;
-+ u32 direction :1;
-+ u32 opGroup :2;
-+ u32 padType :2;
-+ u32 cipher :4;
-+ u32 hash :4;
-+ u32 reserved2 :1;
-+ u32 scPad :1;
-+ u32 extPad :1;
-+ u32 hdrProc :1;
-+ u32 digestLength :4;
-+ u32 ivSource :2;
-+ u32 hashSource :2;
-+ u32 saveIv :1;
-+ u32 saveHash :1;
-+ u32 reserved1 :2;
-+ } bits;
-+} __packed;
-+
-+union saCmd1 {
-+ u32 word;
-+ struct {
-+ u32 copyDigest :1;
-+ u32 copyHeader :1;
-+ u32 copyPayload :1;
-+ u32 copyPad :1;
-+ u32 reserved4 :4;
-+ u32 cipherMode :2;
-+ u32 reserved3 :1;
-+ u32 sslMac :1;
-+ u32 hmac :1;
-+ u32 byteOffset :1;
-+ u32 reserved2 :2;
-+ u32 hashCryptOffset :8;
-+ u32 aesKeyLen :3;
-+ u32 reserved1 :1;
-+ u32 aesDecKey :1;
-+ u32 seqNumCheck :1;
-+ u32 reserved0 :2;
-+ } bits;
-+} __packed;
-+
-+struct saRecord_s {
-+ union saCmd0 saCmd0;
-+ union saCmd1 saCmd1;
-+ u32 saKey[8];
-+ u32 saIDigest[8];
-+ u32 saODigest[8];
-+ u32 saSpi;
-+ u32 saSeqNum[2];
-+ u32 saSeqNumMask[2];
-+ u32 saNonce;
-+} __packed;
-+
-+struct saState_s {
-+ u32 stateIv[4];
-+ u32 stateByteCnt[2];
-+ u32 stateIDigest[8];
-+} __packed;
-+
-+union peCrtlStat_w {
-+ u32 word;
-+ struct {
-+ u32 hostReady :1;
-+ u32 peReady :1;
-+ u32 reserved :1;
-+ u32 initArc4 :1;
-+ u32 hashFinal :1;
-+ u32 haltMode :1;
-+ u32 prngMode :2;
-+ u32 padValue :8;
-+ u32 errStatus :8;
-+ u32 padCrtlStat :8;
-+ } bits;
-+} __packed;
-+
-+union peLength_w {
-+ u32 word;
-+ struct {
-+ u32 length :20;
-+ u32 reserved :2;
-+ u32 hostReady :1;
-+ u32 peReady :1;
-+ u32 byPass :8;
-+ } bits;
-+} __packed;
-+
-+struct eip93_descriptor_s {
-+ union peCrtlStat_w peCrtlStat;
-+ u32 srcAddr;
-+ u32 dstAddr;
-+ u32 saAddr;
-+ u32 stateAddr;
-+ u32 arc4Addr;
-+ u32 userId;
-+ union peLength_w peLength;
-+} __packed;
-+
-+#endif
---- a/drivers/crypto/Kconfig
-+++ b/drivers/crypto/Kconfig
-@@ -824,4 +824,6 @@ config CRYPTO_DEV_SA2UL
- source "drivers/crypto/keembay/Kconfig"
- source "drivers/crypto/aspeed/Kconfig"
-
-+source "drivers/crypto/mtk-eip93/Kconfig"
-+
- endif # CRYPTO_HW
---- a/drivers/crypto/Makefile
-+++ b/drivers/crypto/Makefile
-@@ -53,3 +53,4 @@ obj-y += xilinx/
- obj-y += hisilicon/
- obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic/
- obj-y += keembay/
-+obj-$(CONFIG_CRYPTO_DEV_EIP93) += mtk-eip93/
--- /dev/null
+From 35dcae535afc153fa83f2fe51c0812536c192c58 Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 6 Feb 2023 09:33:05 +0100
+Subject: [PATCH] clk: ralink: fix 'mt7621_gate_is_enabled()' function
+
+Compiling clock driver with CONFIG_UBSAN enabled shows the following trace:
+
+UBSAN: shift-out-of-bounds in drivers/clk/ralink/clk-mt7621.c:121:15
+shift exponent 131072 is too large for 32-bit type 'long unsigned int'
+CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.15.86 #0
+Stack : ...
+
+Call Trace:
+[<80009a58>] show_stack+0x38/0x118
+[<8045ce04>] dump_stack_lvl+0x60/0x80
+[<80458868>] ubsan_epilogue+0x10/0x54
+[<804590e0>] __ubsan_handle_shift_out_of_bounds+0x118/0x190
+[<804c9a10>] mt7621_gate_is_enabled+0x98/0xa0
+[<804bb774>] clk_core_is_enabled+0x34/0x90
+[<80aad73c>] clk_disable_unused_subtree+0x98/0x1e4
+[<80aad6d4>] clk_disable_unused_subtree+0x30/0x1e4
+[<80aad6d4>] clk_disable_unused_subtree+0x30/0x1e4
+[<80aad900>] clk_disable_unused+0x78/0x120
+[<80002030>] do_one_initcall+0x54/0x1f0
+[<80a922a4>] kernel_init_freeable+0x280/0x31c
+[<808047c4>] kernel_init+0x20/0x118
+[<80003e58>] ret_from_kernel_thread+0x14/0x1c
+
+Shifting a value (131032) larger than the type (32 bit unsigned integer)
+is undefined behaviour in C.
+
+The problem is in 'mt7621_gate_is_enabled()' function which is using the
+'BIT()' kernel macro with the bit index for the clock gate to check if the
+bit is set. When the clock gates structure is created driver is already
+setting 'bit_idx' using 'BIT()' macro, so we are wrongly applying an extra
+'BIT()' mask here. Removing it solve the problem and makes this function
+correct. However when clock gating is correctly working, the kernel starts
+disabling those clocks that are not requested. Some drivers for this SoC
+are older than this clock driver itself. So to avoid the kernel to disable
+clocks that have been enabled until now, we must apply 'CLK_IS_CRITICAL'
+flag on gates initialization code.
+
+Fixes: 48df7a26f470 ("clk: ralink: add clock driver for mt7621 SoC")
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Link: https://lore.kernel.org/r/20230206083305.147582-1-sergio.paracuellos@gmail.com
+Signed-off-by: Stephen Boyd <sboyd@kernel.org>
+---
+ drivers/clk/ralink/clk-mt7621.c | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+--- a/drivers/clk/ralink/clk-mt7621.c
++++ b/drivers/clk/ralink/clk-mt7621.c
+@@ -121,7 +121,7 @@ static int mt7621_gate_is_enabled(struct
+ if (regmap_read(sysc, SYSC_REG_CLKCFG1, &val))
+ return 0;
+
+- return val & BIT(clk_gate->bit_idx);
++ return val & clk_gate->bit_idx;
+ }
+
+ static const struct clk_ops mt7621_gate_ops = {
+@@ -133,8 +133,14 @@ static const struct clk_ops mt7621_gate_
+ static int mt7621_gate_ops_init(struct device *dev,
+ struct mt7621_gate *sclk)
+ {
++ /*
++ * There are drivers for this SoC that are older
++ * than clock driver and are not prepared for the clock.
++ * We don't want the kernel to disable anything so we
++ * add CLK_IS_CRITICAL flag here.
++ */
+ struct clk_init_data init = {
+- .flags = CLK_SET_RATE_PARENT,
++ .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
+ .num_parents = 1,
+ .parent_names = &sclk->parent_name,
+ .ops = &mt7621_gate_ops,
--- /dev/null
+From 612616e6381929e7f9e303f8b8ad3655cc101516 Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 19 Jun 2023 06:09:33 +0200
+Subject: [PATCH 1/9] dt-bindings: clock: add mtmips SoCs system controller
+
+Adds device tree binding documentation for system controller node present
+in Mediatek MIPS and Ralink SOCs. This node is a clock and reset provider
+for the rest of the world. This covers RT2880, RT3050, RT3052, RT3350,
+RT3883, RT5350, MT7620, MT7628 and MT7688 SoCs.
+
+Reviewed-by: Rob Herring <robh@kernel.org>
+Acked-by: Stephen Boyd <sboyd@kernel.org>
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ .../bindings/clock/mediatek,mtmips-sysc.yaml | 64 ++++++++++++++++++++++
+ 1 file changed, 64 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml
+@@ -0,0 +1,64 @@
++# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/clock/mediatek,mtmips-sysc.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: MTMIPS SoCs System Controller
++
++maintainers:
++ - Sergio Paracuellos <sergio.paracuellos@gmail.com>
++
++description: |
++ MediaTek MIPS and Ralink SoCs provides a system controller to allow
++ to access to system control registers. These registers include clock
++ and reset related ones so this node is both clock and reset provider
++ for the rest of the world.
++
++ These SoCs have an XTAL from where the cpu clock is
++ provided as well as derived clocks for the bus and the peripherals.
++
++properties:
++ compatible:
++ items:
++ - enum:
++ - ralink,mt7620-sysc
++ - ralink,mt7628-sysc
++ - ralink,mt7688-sysc
++ - ralink,rt2880-sysc
++ - ralink,rt3050-sysc
++ - ralink,rt3052-sysc
++ - ralink,rt3352-sysc
++ - ralink,rt3883-sysc
++ - ralink,rt5350-sysc
++ - const: syscon
++
++ reg:
++ maxItems: 1
++
++ '#clock-cells':
++ description:
++ The first cell indicates the clock number.
++ const: 1
++
++ '#reset-cells':
++ description:
++ The first cell indicates the reset bit within the register.
++ const: 1
++
++required:
++ - compatible
++ - reg
++ - '#clock-cells'
++ - '#reset-cells'
++
++additionalProperties: false
++
++examples:
++ - |
++ syscon@0 {
++ compatible = "ralink,rt5350-sysc", "syscon";
++ reg = <0x0 0x100>;
++ #clock-cells = <1>;
++ #reset-cells = <1>;
++ };
--- /dev/null
+From 6f3b15586eef736831abe6a14f2a6906bc0dc074 Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 19 Jun 2023 06:09:34 +0200
+Subject: [PATCH 2/9] clk: ralink: add clock and reset driver for MTMIPS SoCs
+
+Until now, clock related code for old ralink SoCs was based in fixed clocks
+using 'clk_register_fixed_rate' and 'clkdev_create' directly doing in code
+and not using device tree at all for their definition. Including this driver
+is an effort to be able to define proper clocks using device tree and also
+cleaning all the clock and reset related code from 'arch/mips/ralink' dir.
+This clock and reset driver covers all the ralink SoCs but MT7621 which is
+the newest and provides gating and some differences that make it different
+from its predecesors. It has its own driver since some time ago. The ralink
+SoCs we are taking about are RT2880, RT3050, RT3052, RT3350, RT3352, RT3883,
+RT5350, MT7620, MT7628 and MT7688. Mostly the code in this new driver has
+been extracted from 'arch/mips/ralink' and cleanly put using kernel clock
+driver APIs. The clock plans for this SoCs only talks about relation between
+CPU frequency and BUS frequency. This relation is different depending on the
+particular SoC. CPU clock is derived from XTAL frequencies.
+
+Depending on the SoC we have the following frequencies:
+* RT2880 SoC:
+ - XTAL: 40 MHz.
+ - CPU: 250, 266, 280 or 300 MHz.
+ - BUS: CPU / 2 MHz.
+* RT3050, RT3052, RT3350:
+ - XTAL: 40 MHz.
+ - CPU: 320 or 384 MHz.
+ - BUS: CPU / 3 MHz.
+* RT3352:
+ - XTAL: 40 MHz.
+ - CPU: 384 or 400 MHz.
+ - BUS: CPU / 3 MHz.
+ - PERIPH: 40 MHz.
+* RT3383:
+ - XTAL: 40 MHz.
+ - CPU: 250, 384, 480 or 500 MHz.
+ - BUS: Depends on RAM Type and CPU:
+ + RAM DDR2: 125. ELSE 83 MHz.
+ + RAM DDR2: 128. ELSE 96 MHz.
+ + RAM DDR2: 160. ELSE 120 MHz.
+ + RAM DDR2: 166. ELSE 125 MHz.
+* RT5350:
+ - XTAL: 40 MHz.
+ - CPU: 300, 320 or 360 MHz.
+ - BUS: CPU / 3, CPU / 4, CPU / 3 MHz.
+ - PERIPH: 40 MHz.
+* MT7628 and MT7688:
+ - XTAL: 20 MHz or 40 MHz.
+ - CPU: 575 or 580 MHz.
+ - BUS: CPU / 3.
+ - PCMI2S: 480 MHz.
+ - PERIPH: 40 MHz.
+* MT7620:
+ - XTAL: 20 MHz or 40 MHz.
+ - PLL: XTAL, 480, 600 MHz.
+ - CPU: depends on PLL and some mult and dividers.
+ - BUS: depends on PLL and some mult and dividers.
+ - PERIPH: 40 or XTAL MHz.
+
+MT7620 is a bit more complex deriving CPU clock from a PLL and an bunch of
+register reads and predividers. To derive CPU and BUS frequencies in the
+MT7620 SoC 'mt7620_calc_rate()' helper is used.
+
+In the case XTAL can have different frequencies and we need a different
+clock frequency for peripherals 'periph' clock in introduced.
+
+The rest of the peripherals present in the SoC just follow their parent
+frequencies.
+
+With this information the clk driver will provide all the clock and reset
+functionality from a set of hardcoded clocks allowing to define a nice
+device tree without fixed clocks.
+
+Acked-by: Stephen Boyd <sboyd@kernel.org>
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ drivers/clk/ralink/Kconfig | 7 +
+ drivers/clk/ralink/Makefile | 1 +
+ drivers/clk/ralink/clk-mtmips.c | 1115 +++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 1123 insertions(+)
+ create mode 100644 drivers/clk/ralink/clk-mtmips.c
+
+--- a/drivers/clk/ralink/Kconfig
++++ b/drivers/clk/ralink/Kconfig
+@@ -9,3 +9,10 @@ config CLK_MT7621
+ select MFD_SYSCON
+ help
+ This driver supports MediaTek MT7621 basic clocks.
++
++config CLK_MTMIPS
++ bool "Clock driver for MTMIPS SoCs"
++ depends on SOC_RT305X || SOC_RT288X || SOC_RT3883 || SOC_MT7620 || COMPILE_TEST
++ select MFD_SYSCON
++ help
++ This driver supports MTMIPS basic clocks.
+--- a/drivers/clk/ralink/Makefile
++++ b/drivers/clk/ralink/Makefile
+@@ -1,2 +1,3 @@
+ # SPDX-License-Identifier: GPL-2.0
+ obj-$(CONFIG_CLK_MT7621) += clk-mt7621.o
++obj-$(CONFIG_CLK_MTMIPS) += clk-mtmips.o
+--- /dev/null
++++ b/drivers/clk/ralink/clk-mtmips.c
+@@ -0,0 +1,1115 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * MTMIPS SoCs Clock Driver
++ * Author: Sergio Paracuellos <sergio.paracuellos@gmail.com>
++ */
++
++#include <linux/bitops.h>
++#include <linux/clk-provider.h>
++#include <linux/mfd/syscon.h>
++#include <linux/platform_device.h>
++#include <linux/regmap.h>
++#include <linux/reset-controller.h>
++#include <linux/slab.h>
++
++/* Configuration registers */
++#define SYSC_REG_SYSTEM_CONFIG 0x10
++#define SYSC_REG_CLKCFG0 0x2c
++#define SYSC_REG_RESET_CTRL 0x34
++#define SYSC_REG_CPU_SYS_CLKCFG 0x3c
++#define SYSC_REG_CPLL_CONFIG0 0x54
++#define SYSC_REG_CPLL_CONFIG1 0x58
++
++/* RT2880 SoC */
++#define RT2880_CONFIG_CPUCLK_SHIFT 20
++#define RT2880_CONFIG_CPUCLK_MASK 0x3
++#define RT2880_CONFIG_CPUCLK_250 0x0
++#define RT2880_CONFIG_CPUCLK_266 0x1
++#define RT2880_CONFIG_CPUCLK_280 0x2
++#define RT2880_CONFIG_CPUCLK_300 0x3
++
++/* RT305X SoC */
++#define RT305X_SYSCFG_CPUCLK_SHIFT 18
++#define RT305X_SYSCFG_CPUCLK_MASK 0x1
++#define RT305X_SYSCFG_CPUCLK_LOW 0x0
++#define RT305X_SYSCFG_CPUCLK_HIGH 0x1
++
++/* RT3352 SoC */
++#define RT3352_SYSCFG0_CPUCLK_SHIFT 8
++#define RT3352_SYSCFG0_CPUCLK_MASK 0x1
++#define RT3352_SYSCFG0_CPUCLK_LOW 0x0
++#define RT3352_SYSCFG0_CPUCLK_HIGH 0x1
++
++/* RT3383 SoC */
++#define RT3883_SYSCFG0_DRAM_TYPE_DDR2 BIT(17)
++#define RT3883_SYSCFG0_CPUCLK_SHIFT 8
++#define RT3883_SYSCFG0_CPUCLK_MASK 0x3
++#define RT3883_SYSCFG0_CPUCLK_250 0x0
++#define RT3883_SYSCFG0_CPUCLK_384 0x1
++#define RT3883_SYSCFG0_CPUCLK_480 0x2
++#define RT3883_SYSCFG0_CPUCLK_500 0x3
++
++/* RT5350 SoC */
++#define RT5350_CLKCFG0_XTAL_SEL BIT(20)
++#define RT5350_SYSCFG0_CPUCLK_SHIFT 8
++#define RT5350_SYSCFG0_CPUCLK_MASK 0x3
++#define RT5350_SYSCFG0_CPUCLK_360 0x0
++#define RT5350_SYSCFG0_CPUCLK_320 0x2
++#define RT5350_SYSCFG0_CPUCLK_300 0x3
++
++/* MT7620 and MT76x8 SoCs */
++#define MT7620_XTAL_FREQ_SEL BIT(6)
++#define CPLL_CFG0_SW_CFG BIT(31)
++#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT 16
++#define CPLL_CFG0_PLL_MULT_RATIO_MASK 0x7
++#define CPLL_CFG0_LC_CURFCK BIT(15)
++#define CPLL_CFG0_BYPASS_REF_CLK BIT(14)
++#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT 10
++#define CPLL_CFG0_PLL_DIV_RATIO_MASK 0x3
++#define CPLL_CFG1_CPU_AUX1 BIT(25)
++#define CPLL_CFG1_CPU_AUX0 BIT(24)
++#define CLKCFG0_PERI_CLK_SEL BIT(4)
++#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT 16
++#define CPU_SYS_CLKCFG_OCP_RATIO_MASK 0xf
++#define CPU_SYS_CLKCFG_OCP_RATIO_1 0 /* 1:1 (Reserved) */
++#define CPU_SYS_CLKCFG_OCP_RATIO_1_5 1 /* 1:1.5 (Reserved) */
++#define CPU_SYS_CLKCFG_OCP_RATIO_2 2 /* 1:2 */
++#define CPU_SYS_CLKCFG_OCP_RATIO_2_5 3 /* 1:2.5 (Reserved) */
++#define CPU_SYS_CLKCFG_OCP_RATIO_3 4 /* 1:3 */
++#define CPU_SYS_CLKCFG_OCP_RATIO_3_5 5 /* 1:3.5 (Reserved) */
++#define CPU_SYS_CLKCFG_OCP_RATIO_4 6 /* 1:4 */
++#define CPU_SYS_CLKCFG_OCP_RATIO_5 7 /* 1:5 */
++#define CPU_SYS_CLKCFG_OCP_RATIO_10 8 /* 1:10 */
++#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT 8
++#define CPU_SYS_CLKCFG_CPU_FDIV_MASK 0x1f
++#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT 0
++#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK 0x1f
++
++/* clock scaling */
++#define CLKCFG_FDIV_MASK 0x1f00
++#define CLKCFG_FDIV_USB_VAL 0x0300
++#define CLKCFG_FFRAC_MASK 0x001f
++#define CLKCFG_FFRAC_USB_VAL 0x0003
++
++struct mtmips_clk;
++struct mtmips_clk_fixed;
++struct mtmips_clk_factor;
++
++struct mtmips_clk_data {
++ struct mtmips_clk *clk_base;
++ size_t num_clk_base;
++ struct mtmips_clk_fixed *clk_fixed;
++ size_t num_clk_fixed;
++ struct mtmips_clk_factor *clk_factor;
++ size_t num_clk_factor;
++ struct mtmips_clk *clk_periph;
++ size_t num_clk_periph;
++};
++
++struct mtmips_clk_priv {
++ struct regmap *sysc;
++ const struct mtmips_clk_data *data;
++};
++
++struct mtmips_clk {
++ struct clk_hw hw;
++ struct mtmips_clk_priv *priv;
++};
++
++struct mtmips_clk_fixed {
++ const char *name;
++ const char *parent;
++ unsigned long rate;
++ struct clk_hw *hw;
++};
++
++struct mtmips_clk_factor {
++ const char *name;
++ const char *parent;
++ int mult;
++ int div;
++ unsigned long flags;
++ struct clk_hw *hw;
++};
++
++static unsigned long mtmips_pherip_clk_rate(struct clk_hw *hw,
++ unsigned long parent_rate)
++{
++ return parent_rate;
++}
++
++static const struct clk_ops mtmips_periph_clk_ops = {
++ .recalc_rate = mtmips_pherip_clk_rate,
++};
++
++#define CLK_PERIPH(_name, _parent) { \
++ .init = &(const struct clk_init_data) { \
++ .name = _name, \
++ .ops = &mtmips_periph_clk_ops, \
++ .parent_data = &(const struct clk_parent_data) {\
++ .name = _parent, \
++ .fw_name = _parent \
++ }, \
++ .num_parents = 1, \
++ /* \
++ * There are drivers for these SoCs that are \
++ * older than clock driver and are not prepared \
++ * for the clock. We don't want the kernel to \
++ * disable anything so we add CLK_IS_CRITICAL \
++ * flag here. \
++ */ \
++ .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL \
++ }, \
++}
++
++static struct mtmips_clk rt2880_pherip_clks[] = {
++ { CLK_PERIPH("300100.timer", "bus") },
++ { CLK_PERIPH("300120.watchdog", "bus") },
++ { CLK_PERIPH("300500.uart", "bus") },
++ { CLK_PERIPH("300900.i2c", "bus") },
++ { CLK_PERIPH("300c00.uartlite", "bus") },
++ { CLK_PERIPH("400000.ethernet", "bus") },
++ { CLK_PERIPH("480000.wmac", "xtal") }
++};
++
++static struct mtmips_clk rt305x_pherip_clks[] = {
++ { CLK_PERIPH("10000100.timer", "bus") },
++ { CLK_PERIPH("10000120.watchdog", "bus") },
++ { CLK_PERIPH("10000500.uart", "bus") },
++ { CLK_PERIPH("10000900.i2c", "bus") },
++ { CLK_PERIPH("10000a00.i2s", "bus") },
++ { CLK_PERIPH("10000b00.spi", "bus") },
++ { CLK_PERIPH("10000b40.spi", "bus") },
++ { CLK_PERIPH("10000c00.uartlite", "bus") },
++ { CLK_PERIPH("10100000.ethernet", "bus") },
++ { CLK_PERIPH("10180000.wmac", "xtal") }
++};
++
++static struct mtmips_clk rt5350_pherip_clks[] = {
++ { CLK_PERIPH("10000100.timer", "bus") },
++ { CLK_PERIPH("10000120.watchdog", "bus") },
++ { CLK_PERIPH("10000500.uart", "periph") },
++ { CLK_PERIPH("10000900.i2c", "periph") },
++ { CLK_PERIPH("10000a00.i2s", "periph") },
++ { CLK_PERIPH("10000b00.spi", "bus") },
++ { CLK_PERIPH("10000b40.spi", "bus") },
++ { CLK_PERIPH("10000c00.uartlite", "periph") },
++ { CLK_PERIPH("10100000.ethernet", "bus") },
++ { CLK_PERIPH("10180000.wmac", "xtal") }
++};
++
++static struct mtmips_clk mt7620_pherip_clks[] = {
++ { CLK_PERIPH("10000100.timer", "periph") },
++ { CLK_PERIPH("10000120.watchdog", "periph") },
++ { CLK_PERIPH("10000500.uart", "periph") },
++ { CLK_PERIPH("10000900.i2c", "periph") },
++ { CLK_PERIPH("10000a00.i2s", "periph") },
++ { CLK_PERIPH("10000b00.spi", "bus") },
++ { CLK_PERIPH("10000b40.spi", "bus") },
++ { CLK_PERIPH("10000c00.uartlite", "periph") },
++ { CLK_PERIPH("10180000.wmac", "xtal") }
++};
++
++static struct mtmips_clk mt76x8_pherip_clks[] = {
++ { CLK_PERIPH("10000100.timer", "periph") },
++ { CLK_PERIPH("10000120.watchdog", "periph") },
++ { CLK_PERIPH("10000900.i2c", "periph") },
++ { CLK_PERIPH("10000a00.i2s", "pcmi2s") },
++ { CLK_PERIPH("10000b00.spi", "bus") },
++ { CLK_PERIPH("10000b40.spi", "bus") },
++ { CLK_PERIPH("10000c00.uart0", "periph") },
++ { CLK_PERIPH("10000d00.uart1", "periph") },
++ { CLK_PERIPH("10000e00.uart2", "periph") },
++ { CLK_PERIPH("10300000.wmac", "xtal") }
++};
++
++static int mtmips_register_pherip_clocks(struct device_node *np,
++ struct clk_hw_onecell_data *clk_data,
++ struct mtmips_clk_priv *priv)
++{
++ struct clk_hw **hws = clk_data->hws;
++ struct mtmips_clk *sclk;
++ size_t idx_start = priv->data->num_clk_base + priv->data->num_clk_fixed +
++ priv->data->num_clk_factor;
++ int ret, i;
++
++ for (i = 0; i < priv->data->num_clk_periph; i++) {
++ int idx = idx_start + i;
++
++ sclk = &priv->data->clk_periph[i];
++ ret = of_clk_hw_register(np, &sclk->hw);
++ if (ret) {
++ pr_err("Couldn't register peripheral clock %d\n", idx);
++ goto err_clk_unreg;
++ }
++
++ hws[idx] = &sclk->hw;
++ }
++
++ return 0;
++
++err_clk_unreg:
++ while (--i >= 0) {
++ sclk = &priv->data->clk_periph[i];
++ clk_hw_unregister(&sclk->hw);
++ }
++ return ret;
++}
++
++#define CLK_FIXED(_name, _parent, _rate) \
++ { \
++ .name = _name, \
++ .parent = _parent, \
++ .rate = _rate \
++ }
++
++static struct mtmips_clk_fixed rt305x_fixed_clocks[] = {
++ CLK_FIXED("xtal", NULL, 40000000)
++};
++
++static struct mtmips_clk_fixed rt3352_fixed_clocks[] = {
++ CLK_FIXED("periph", "xtal", 40000000)
++};
++
++static struct mtmips_clk_fixed mt76x8_fixed_clocks[] = {
++ CLK_FIXED("pcmi2s", "xtal", 480000000),
++ CLK_FIXED("periph", "xtal", 40000000)
++};
++
++static int mtmips_register_fixed_clocks(struct clk_hw_onecell_data *clk_data,
++ struct mtmips_clk_priv *priv)
++{
++ struct clk_hw **hws = clk_data->hws;
++ struct mtmips_clk_fixed *sclk;
++ size_t idx_start = priv->data->num_clk_base;
++ int ret, i;
++
++ for (i = 0; i < priv->data->num_clk_fixed; i++) {
++ int idx = idx_start + i;
++
++ sclk = &priv->data->clk_fixed[i];
++ sclk->hw = clk_hw_register_fixed_rate(NULL, sclk->name,
++ sclk->parent, 0,
++ sclk->rate);
++ if (IS_ERR(sclk->hw)) {
++ pr_err("Couldn't register fixed clock %d\n", idx);
++ goto err_clk_unreg;
++ }
++
++ hws[idx] = sclk->hw;
++ }
++
++ return 0;
++
++err_clk_unreg:
++ while (--i >= 0) {
++ sclk = &priv->data->clk_fixed[i];
++ clk_hw_unregister_fixed_rate(sclk->hw);
++ }
++ return ret;
++}
++
++#define CLK_FACTOR(_name, _parent, _mult, _div) \
++ { \
++ .name = _name, \
++ .parent = _parent, \
++ .mult = _mult, \
++ .div = _div, \
++ .flags = CLK_SET_RATE_PARENT \
++ }
++
++static struct mtmips_clk_factor rt2880_factor_clocks[] = {
++ CLK_FACTOR("bus", "cpu", 1, 2)
++};
++
++static struct mtmips_clk_factor rt305x_factor_clocks[] = {
++ CLK_FACTOR("bus", "cpu", 1, 3)
++};
++
++static int mtmips_register_factor_clocks(struct clk_hw_onecell_data *clk_data,
++ struct mtmips_clk_priv *priv)
++{
++ struct clk_hw **hws = clk_data->hws;
++ struct mtmips_clk_factor *sclk;
++ size_t idx_start = priv->data->num_clk_base + priv->data->num_clk_fixed;
++ int ret, i;
++
++ for (i = 0; i < priv->data->num_clk_factor; i++) {
++ int idx = idx_start + i;
++
++ sclk = &priv->data->clk_factor[i];
++ sclk->hw = clk_hw_register_fixed_factor(NULL, sclk->name,
++ sclk->parent, sclk->flags,
++ sclk->mult, sclk->div);
++ if (IS_ERR(sclk->hw)) {
++ pr_err("Couldn't register factor clock %d\n", idx);
++ goto err_clk_unreg;
++ }
++
++ hws[idx] = sclk->hw;
++ }
++
++ return 0;
++
++err_clk_unreg:
++ while (--i >= 0) {
++ sclk = &priv->data->clk_factor[i];
++ clk_hw_unregister_fixed_factor(sclk->hw);
++ }
++ return ret;
++}
++
++static inline struct mtmips_clk *to_mtmips_clk(struct clk_hw *hw)
++{
++ return container_of(hw, struct mtmips_clk, hw);
++}
++
++static unsigned long rt5350_xtal_recalc_rate(struct clk_hw *hw,
++ unsigned long parent_rate)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 val;
++
++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &val);
++ if (!(val & RT5350_CLKCFG0_XTAL_SEL))
++ return 20000000;
++
++ return 40000000;
++}
++
++static unsigned long rt5350_cpu_recalc_rate(struct clk_hw *hw,
++ unsigned long xtal_clk)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 t;
++
++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
++ t = (t >> RT5350_SYSCFG0_CPUCLK_SHIFT) & RT5350_SYSCFG0_CPUCLK_MASK;
++
++ switch (t) {
++ case RT5350_SYSCFG0_CPUCLK_360:
++ return 360000000;
++ case RT5350_SYSCFG0_CPUCLK_320:
++ return 320000000;
++ case RT5350_SYSCFG0_CPUCLK_300:
++ return 300000000;
++ default:
++ BUG();
++ }
++}
++
++static unsigned long rt5350_bus_recalc_rate(struct clk_hw *hw,
++ unsigned long parent_rate)
++{
++ if (parent_rate == 320000000)
++ return parent_rate / 4;
++
++ return parent_rate / 3;
++}
++
++static unsigned long rt3352_cpu_recalc_rate(struct clk_hw *hw,
++ unsigned long xtal_clk)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 t;
++
++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
++ t = (t >> RT3352_SYSCFG0_CPUCLK_SHIFT) & RT3352_SYSCFG0_CPUCLK_MASK;
++
++ switch (t) {
++ case RT3352_SYSCFG0_CPUCLK_LOW:
++ return 384000000;
++ case RT3352_SYSCFG0_CPUCLK_HIGH:
++ return 400000000;
++ default:
++ BUG();
++ }
++}
++
++static unsigned long rt305x_cpu_recalc_rate(struct clk_hw *hw,
++ unsigned long xtal_clk)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 t;
++
++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
++ t = (t >> RT305X_SYSCFG_CPUCLK_SHIFT) & RT305X_SYSCFG_CPUCLK_MASK;
++
++ switch (t) {
++ case RT305X_SYSCFG_CPUCLK_LOW:
++ return 320000000;
++ case RT305X_SYSCFG_CPUCLK_HIGH:
++ return 384000000;
++ default:
++ BUG();
++ }
++}
++
++static unsigned long rt3883_cpu_recalc_rate(struct clk_hw *hw,
++ unsigned long xtal_clk)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 t;
++
++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
++ t = (t >> RT3883_SYSCFG0_CPUCLK_SHIFT) & RT3883_SYSCFG0_CPUCLK_MASK;
++
++ switch (t) {
++ case RT3883_SYSCFG0_CPUCLK_250:
++ return 250000000;
++ case RT3883_SYSCFG0_CPUCLK_384:
++ return 384000000;
++ case RT3883_SYSCFG0_CPUCLK_480:
++ return 480000000;
++ case RT3883_SYSCFG0_CPUCLK_500:
++ return 500000000;
++ default:
++ BUG();
++ }
++}
++
++static unsigned long rt3883_bus_recalc_rate(struct clk_hw *hw,
++ unsigned long parent_rate)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 ddr2;
++ u32 t;
++
++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
++ ddr2 = t & RT3883_SYSCFG0_DRAM_TYPE_DDR2;
++
++ switch (parent_rate) {
++ case 250000000:
++ return (ddr2) ? 125000000 : 83000000;
++ case 384000000:
++ return (ddr2) ? 128000000 : 96000000;
++ case 480000000:
++ return (ddr2) ? 160000000 : 120000000;
++ case 500000000:
++ return (ddr2) ? 166000000 : 125000000;
++ default:
++ WARN_ON_ONCE(parent_rate == 0);
++ return parent_rate / 4;
++ }
++}
++
++static unsigned long rt2880_cpu_recalc_rate(struct clk_hw *hw,
++ unsigned long xtal_clk)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 t;
++
++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
++ t = (t >> RT2880_CONFIG_CPUCLK_SHIFT) & RT2880_CONFIG_CPUCLK_MASK;
++
++ switch (t) {
++ case RT2880_CONFIG_CPUCLK_250:
++ return 250000000;
++ case RT2880_CONFIG_CPUCLK_266:
++ return 266000000;
++ case RT2880_CONFIG_CPUCLK_280:
++ return 280000000;
++ case RT2880_CONFIG_CPUCLK_300:
++ return 300000000;
++ default:
++ BUG();
++ }
++}
++
++static u32 mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div)
++{
++ u64 t;
++
++ t = ref_rate;
++ t *= mul;
++ t = div_u64(t, div);
++
++ return t;
++}
++
++static unsigned long mt7620_pll_recalc_rate(struct clk_hw *hw,
++ unsigned long parent_rate)
++{
++ static const u32 clk_divider[] = { 2, 3, 4, 8 };
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ unsigned long cpu_pll;
++ u32 t;
++ u32 mul;
++ u32 div;
++
++ regmap_read(sysc, SYSC_REG_CPLL_CONFIG0, &t);
++ if (t & CPLL_CFG0_BYPASS_REF_CLK) {
++ cpu_pll = parent_rate;
++ } else if ((t & CPLL_CFG0_SW_CFG) == 0) {
++ cpu_pll = 600000000;
++ } else {
++ mul = (t >> CPLL_CFG0_PLL_MULT_RATIO_SHIFT) &
++ CPLL_CFG0_PLL_MULT_RATIO_MASK;
++ mul += 24;
++ if (t & CPLL_CFG0_LC_CURFCK)
++ mul *= 2;
++
++ div = (t >> CPLL_CFG0_PLL_DIV_RATIO_SHIFT) &
++ CPLL_CFG0_PLL_DIV_RATIO_MASK;
++
++ WARN_ON_ONCE(div >= ARRAY_SIZE(clk_divider));
++
++ cpu_pll = mt7620_calc_rate(parent_rate, mul, clk_divider[div]);
++ }
++
++ regmap_read(sysc, SYSC_REG_CPLL_CONFIG1, &t);
++ if (t & CPLL_CFG1_CPU_AUX1)
++ return parent_rate;
++
++ if (t & CPLL_CFG1_CPU_AUX0)
++ return 480000000;
++
++ return cpu_pll;
++}
++
++static unsigned long mt7620_cpu_recalc_rate(struct clk_hw *hw,
++ unsigned long parent_rate)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 t;
++ u32 mul;
++ u32 div;
++
++ regmap_read(sysc, SYSC_REG_CPU_SYS_CLKCFG, &t);
++ mul = t & CPU_SYS_CLKCFG_CPU_FFRAC_MASK;
++ div = (t >> CPU_SYS_CLKCFG_CPU_FDIV_SHIFT) &
++ CPU_SYS_CLKCFG_CPU_FDIV_MASK;
++
++ return mt7620_calc_rate(parent_rate, mul, div);
++}
++
++static unsigned long mt7620_bus_recalc_rate(struct clk_hw *hw,
++ unsigned long parent_rate)
++{
++ static const u32 ocp_dividers[16] = {
++ [CPU_SYS_CLKCFG_OCP_RATIO_2] = 2,
++ [CPU_SYS_CLKCFG_OCP_RATIO_3] = 3,
++ [CPU_SYS_CLKCFG_OCP_RATIO_4] = 4,
++ [CPU_SYS_CLKCFG_OCP_RATIO_5] = 5,
++ [CPU_SYS_CLKCFG_OCP_RATIO_10] = 10,
++ };
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 t;
++ u32 ocp_ratio;
++ u32 div;
++
++ regmap_read(sysc, SYSC_REG_CPU_SYS_CLKCFG, &t);
++ ocp_ratio = (t >> CPU_SYS_CLKCFG_OCP_RATIO_SHIFT) &
++ CPU_SYS_CLKCFG_OCP_RATIO_MASK;
++
++ if (WARN_ON_ONCE(ocp_ratio >= ARRAY_SIZE(ocp_dividers)))
++ return parent_rate;
++
++ div = ocp_dividers[ocp_ratio];
++
++ if (WARN(!div, "invalid divider for OCP ratio %u", ocp_ratio))
++ return parent_rate;
++
++ return parent_rate / div;
++}
++
++static unsigned long mt7620_periph_recalc_rate(struct clk_hw *hw,
++ unsigned long parent_rate)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 t;
++
++ regmap_read(sysc, SYSC_REG_CLKCFG0, &t);
++ if (t & CLKCFG0_PERI_CLK_SEL)
++ return parent_rate;
++
++ return 40000000;
++}
++
++static unsigned long mt76x8_xtal_recalc_rate(struct clk_hw *hw,
++ unsigned long parent_rate)
++{
++ struct mtmips_clk *clk = to_mtmips_clk(hw);
++ struct regmap *sysc = clk->priv->sysc;
++ u32 t;
++
++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t);
++ if (t & MT7620_XTAL_FREQ_SEL)
++ return 40000000;
++
++ return 20000000;
++}
++
++static unsigned long mt76x8_cpu_recalc_rate(struct clk_hw *hw,
++ unsigned long xtal_clk)
++{
++ if (xtal_clk == 40000000)
++ return 580000000;
++
++ return 575000000;
++}
++
++#define CLK_BASE(_name, _parent, _recalc) { \
++ .init = &(const struct clk_init_data) { \
++ .name = _name, \
++ .ops = &(const struct clk_ops) { \
++ .recalc_rate = _recalc, \
++ }, \
++ .parent_data = &(const struct clk_parent_data) { \
++ .name = _parent, \
++ .fw_name = _parent \
++ }, \
++ .num_parents = _parent ? 1 : 0 \
++ }, \
++}
++
++static struct mtmips_clk rt2880_clks_base[] = {
++ { CLK_BASE("cpu", "xtal", rt2880_cpu_recalc_rate) }
++};
++
++static struct mtmips_clk rt305x_clks_base[] = {
++ { CLK_BASE("cpu", "xtal", rt305x_cpu_recalc_rate) }
++};
++
++static struct mtmips_clk rt3352_clks_base[] = {
++ { CLK_BASE("xtal", NULL, rt5350_xtal_recalc_rate) },
++ { CLK_BASE("cpu", "xtal", rt3352_cpu_recalc_rate) }
++};
++
++static struct mtmips_clk rt3883_clks_base[] = {
++ { CLK_BASE("cpu", "xtal", rt3883_cpu_recalc_rate) },
++ { CLK_BASE("bus", "cpu", rt3883_bus_recalc_rate) }
++};
++
++static struct mtmips_clk rt5350_clks_base[] = {
++ { CLK_BASE("xtal", NULL, rt5350_xtal_recalc_rate) },
++ { CLK_BASE("cpu", "xtal", rt5350_cpu_recalc_rate) },
++ { CLK_BASE("bus", "cpu", rt5350_bus_recalc_rate) }
++};
++
++static struct mtmips_clk mt7620_clks_base[] = {
++ { CLK_BASE("xtal", NULL, mt76x8_xtal_recalc_rate) },
++ { CLK_BASE("pll", "xtal", mt7620_pll_recalc_rate) },
++ { CLK_BASE("cpu", "pll", mt7620_cpu_recalc_rate) },
++ { CLK_BASE("periph", "xtal", mt7620_periph_recalc_rate) },
++ { CLK_BASE("bus", "cpu", mt7620_bus_recalc_rate) }
++};
++
++static struct mtmips_clk mt76x8_clks_base[] = {
++ { CLK_BASE("xtal", NULL, mt76x8_xtal_recalc_rate) },
++ { CLK_BASE("cpu", "xtal", mt76x8_cpu_recalc_rate) }
++};
++
++static int mtmips_register_clocks(struct device_node *np,
++ struct clk_hw_onecell_data *clk_data,
++ struct mtmips_clk_priv *priv)
++{
++ struct clk_hw **hws = clk_data->hws;
++ struct mtmips_clk *sclk;
++ int ret, i;
++
++ for (i = 0; i < priv->data->num_clk_base; i++) {
++ sclk = &priv->data->clk_base[i];
++ sclk->priv = priv;
++ ret = of_clk_hw_register(np, &sclk->hw);
++ if (ret) {
++ pr_err("Couldn't register top clock %i\n", i);
++ goto err_clk_unreg;
++ }
++
++ hws[i] = &sclk->hw;
++ }
++
++ return 0;
++
++err_clk_unreg:
++ while (--i >= 0) {
++ sclk = &priv->data->clk_base[i];
++ clk_hw_unregister(&sclk->hw);
++ }
++ return ret;
++}
++
++static const struct mtmips_clk_data rt2880_clk_data = {
++ .clk_base = rt2880_clks_base,
++ .num_clk_base = ARRAY_SIZE(rt2880_clks_base),
++ .clk_fixed = rt305x_fixed_clocks,
++ .num_clk_fixed = ARRAY_SIZE(rt305x_fixed_clocks),
++ .clk_factor = rt2880_factor_clocks,
++ .num_clk_factor = ARRAY_SIZE(rt2880_factor_clocks),
++ .clk_periph = rt2880_pherip_clks,
++ .num_clk_periph = ARRAY_SIZE(rt2880_pherip_clks),
++};
++
++static const struct mtmips_clk_data rt305x_clk_data = {
++ .clk_base = rt305x_clks_base,
++ .num_clk_base = ARRAY_SIZE(rt305x_clks_base),
++ .clk_fixed = rt305x_fixed_clocks,
++ .num_clk_fixed = ARRAY_SIZE(rt305x_fixed_clocks),
++ .clk_factor = rt305x_factor_clocks,
++ .num_clk_factor = ARRAY_SIZE(rt305x_factor_clocks),
++ .clk_periph = rt305x_pherip_clks,
++ .num_clk_periph = ARRAY_SIZE(rt305x_pherip_clks),
++};
++
++static const struct mtmips_clk_data rt3352_clk_data = {
++ .clk_base = rt3352_clks_base,
++ .num_clk_base = ARRAY_SIZE(rt3352_clks_base),
++ .clk_fixed = rt3352_fixed_clocks,
++ .num_clk_fixed = ARRAY_SIZE(rt3352_fixed_clocks),
++ .clk_factor = rt305x_factor_clocks,
++ .num_clk_factor = ARRAY_SIZE(rt305x_factor_clocks),
++ .clk_periph = rt5350_pherip_clks,
++ .num_clk_periph = ARRAY_SIZE(rt5350_pherip_clks),
++};
++
++static const struct mtmips_clk_data rt3883_clk_data = {
++ .clk_base = rt3883_clks_base,
++ .num_clk_base = ARRAY_SIZE(rt3883_clks_base),
++ .clk_fixed = rt305x_fixed_clocks,
++ .num_clk_fixed = ARRAY_SIZE(rt305x_fixed_clocks),
++ .clk_factor = NULL,
++ .num_clk_factor = 0,
++ .clk_periph = rt5350_pherip_clks,
++ .num_clk_periph = ARRAY_SIZE(rt5350_pherip_clks),
++};
++
++static const struct mtmips_clk_data rt5350_clk_data = {
++ .clk_base = rt5350_clks_base,
++ .num_clk_base = ARRAY_SIZE(rt5350_clks_base),
++ .clk_fixed = rt3352_fixed_clocks,
++ .num_clk_fixed = ARRAY_SIZE(rt3352_fixed_clocks),
++ .clk_factor = NULL,
++ .num_clk_factor = 0,
++ .clk_periph = rt5350_pherip_clks,
++ .num_clk_periph = ARRAY_SIZE(rt5350_pherip_clks),
++};
++
++static const struct mtmips_clk_data mt7620_clk_data = {
++ .clk_base = mt7620_clks_base,
++ .num_clk_base = ARRAY_SIZE(mt7620_clks_base),
++ .clk_fixed = NULL,
++ .num_clk_fixed = 0,
++ .clk_factor = NULL,
++ .num_clk_factor = 0,
++ .clk_periph = mt7620_pherip_clks,
++ .num_clk_periph = ARRAY_SIZE(mt7620_pherip_clks),
++};
++
++static const struct mtmips_clk_data mt76x8_clk_data = {
++ .clk_base = mt76x8_clks_base,
++ .num_clk_base = ARRAY_SIZE(mt76x8_clks_base),
++ .clk_fixed = mt76x8_fixed_clocks,
++ .num_clk_fixed = ARRAY_SIZE(mt76x8_fixed_clocks),
++ .clk_factor = rt305x_factor_clocks,
++ .num_clk_factor = ARRAY_SIZE(rt305x_factor_clocks),
++ .clk_periph = mt76x8_pherip_clks,
++ .num_clk_periph = ARRAY_SIZE(mt76x8_pherip_clks),
++};
++
++static const struct of_device_id mtmips_of_match[] = {
++ {
++ .compatible = "ralink,rt2880-sysc",
++ .data = &rt2880_clk_data,
++ },
++ {
++ .compatible = "ralink,rt3050-sysc",
++ .data = &rt305x_clk_data,
++ },
++ {
++ .compatible = "ralink,rt3052-sysc",
++ .data = &rt305x_clk_data,
++ },
++ {
++ .compatible = "ralink,rt3352-sysc",
++ .data = &rt3352_clk_data,
++ },
++ {
++ .compatible = "ralink,rt3883-sysc",
++ .data = &rt3883_clk_data,
++ },
++ {
++ .compatible = "ralink,rt5350-sysc",
++ .data = &rt5350_clk_data,
++ },
++ {
++ .compatible = "ralink,mt7620-sysc",
++ .data = &mt7620_clk_data,
++ },
++ {
++ .compatible = "ralink,mt7628-sysc",
++ .data = &mt76x8_clk_data,
++ },
++ {
++ .compatible = "ralink,mt7688-sysc",
++ .data = &mt76x8_clk_data,
++ },
++ {}
++};
++
++static void __init mtmips_clk_regs_init(struct device_node *node,
++ struct mtmips_clk_priv *priv)
++{
++ u32 t;
++
++ if (!of_device_is_compatible(node, "ralink,mt7620-sysc"))
++ return;
++
++ /*
++ * When the CPU goes into sleep mode, the BUS
++ * clock will be too low for USB to function properly.
++ * Adjust the busses fractional divider to fix this
++ */
++ regmap_read(priv->sysc, SYSC_REG_CPU_SYS_CLKCFG, &t);
++ t &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK);
++ t |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL;
++ regmap_write(priv->sysc, SYSC_REG_CPU_SYS_CLKCFG, t);
++}
++
++static void __init mtmips_clk_init(struct device_node *node)
++{
++ const struct of_device_id *match;
++ const struct mtmips_clk_data *data;
++ struct mtmips_clk_priv *priv;
++ struct clk_hw_onecell_data *clk_data;
++ int ret, i, count;
++
++ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
++ if (!priv)
++ return;
++
++ priv->sysc = syscon_node_to_regmap(node);
++ if (IS_ERR(priv->sysc)) {
++ pr_err("Could not get sysc syscon regmap\n");
++ goto free_clk_priv;
++ }
++
++ mtmips_clk_regs_init(node, priv);
++
++ match = of_match_node(mtmips_of_match, node);
++ if (WARN_ON(!match))
++ return;
++
++ data = match->data;
++ priv->data = data;
++ count = priv->data->num_clk_base + priv->data->num_clk_fixed +
++ priv->data->num_clk_factor + priv->data->num_clk_periph;
++ clk_data = kzalloc(struct_size(clk_data, hws, count), GFP_KERNEL);
++ if (!clk_data)
++ goto free_clk_priv;
++
++ ret = mtmips_register_clocks(node, clk_data, priv);
++ if (ret) {
++ pr_err("Couldn't register top clocks\n");
++ goto free_clk_data;
++ }
++
++ ret = mtmips_register_fixed_clocks(clk_data, priv);
++ if (ret) {
++ pr_err("Couldn't register fixed clocks\n");
++ goto unreg_clk_top;
++ }
++
++ ret = mtmips_register_factor_clocks(clk_data, priv);
++ if (ret) {
++ pr_err("Couldn't register factor clocks\n");
++ goto unreg_clk_fixed;
++ }
++
++ ret = mtmips_register_pherip_clocks(node, clk_data, priv);
++ if (ret) {
++ pr_err("Couldn't register peripheral clocks\n");
++ goto unreg_clk_factor;
++ }
++
++ clk_data->num = count;
++
++ ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
++ if (ret) {
++ pr_err("Couldn't add clk hw provider\n");
++ goto unreg_clk_periph;
++ }
++
++ return;
++
++unreg_clk_periph:
++ for (i = 0; i < priv->data->num_clk_periph; i++) {
++ struct mtmips_clk *sclk = &priv->data->clk_periph[i];
++
++ clk_hw_unregister(&sclk->hw);
++ }
++
++unreg_clk_factor:
++ for (i = 0; i < priv->data->num_clk_factor; i++) {
++ struct mtmips_clk_factor *sclk = &priv->data->clk_factor[i];
++
++ clk_hw_unregister_fixed_factor(sclk->hw);
++ }
++
++unreg_clk_fixed:
++ for (i = 0; i < priv->data->num_clk_fixed; i++) {
++ struct mtmips_clk_fixed *sclk = &priv->data->clk_fixed[i];
++
++ clk_hw_unregister_fixed_rate(sclk->hw);
++ }
++
++unreg_clk_top:
++ for (i = 0; i < priv->data->num_clk_base; i++) {
++ struct mtmips_clk *sclk = &priv->data->clk_base[i];
++
++ clk_hw_unregister(&sclk->hw);
++ }
++
++free_clk_data:
++ kfree(clk_data);
++
++free_clk_priv:
++ kfree(priv);
++}
++CLK_OF_DECLARE_DRIVER(rt2880_clk, "ralink,rt2880-sysc", mtmips_clk_init);
++CLK_OF_DECLARE_DRIVER(rt3050_clk, "ralink,rt3050-sysc", mtmips_clk_init);
++CLK_OF_DECLARE_DRIVER(rt3052_clk, "ralink,rt3052-sysc", mtmips_clk_init);
++CLK_OF_DECLARE_DRIVER(rt3352_clk, "ralink,rt3352-sysc", mtmips_clk_init);
++CLK_OF_DECLARE_DRIVER(rt3883_clk, "ralink,rt3883-sysc", mtmips_clk_init);
++CLK_OF_DECLARE_DRIVER(rt5350_clk, "ralink,rt5350-sysc", mtmips_clk_init);
++CLK_OF_DECLARE_DRIVER(mt7620_clk, "ralink,mt7620-sysc", mtmips_clk_init);
++CLK_OF_DECLARE_DRIVER(mt7628_clk, "ralink,mt7628-sysc", mtmips_clk_init);
++CLK_OF_DECLARE_DRIVER(mt7688_clk, "ralink,mt7688-sysc", mtmips_clk_init);
++
++struct mtmips_rst {
++ struct reset_controller_dev rcdev;
++ struct regmap *sysc;
++};
++
++static struct mtmips_rst *to_mtmips_rst(struct reset_controller_dev *dev)
++{
++ return container_of(dev, struct mtmips_rst, rcdev);
++}
++
++static int mtmips_assert_device(struct reset_controller_dev *rcdev,
++ unsigned long id)
++{
++ struct mtmips_rst *data = to_mtmips_rst(rcdev);
++ struct regmap *sysc = data->sysc;
++
++ return regmap_update_bits(sysc, SYSC_REG_RESET_CTRL, BIT(id), BIT(id));
++}
++
++static int mtmips_deassert_device(struct reset_controller_dev *rcdev,
++ unsigned long id)
++{
++ struct mtmips_rst *data = to_mtmips_rst(rcdev);
++ struct regmap *sysc = data->sysc;
++
++ return regmap_update_bits(sysc, SYSC_REG_RESET_CTRL, BIT(id), 0);
++}
++
++static int mtmips_reset_device(struct reset_controller_dev *rcdev,
++ unsigned long id)
++{
++ int ret;
++
++ ret = mtmips_assert_device(rcdev, id);
++ if (ret < 0)
++ return ret;
++
++ return mtmips_deassert_device(rcdev, id);
++}
++
++static int mtmips_rst_xlate(struct reset_controller_dev *rcdev,
++ const struct of_phandle_args *reset_spec)
++{
++ unsigned long id = reset_spec->args[0];
++
++ if (id == 0 || id >= rcdev->nr_resets)
++ return -EINVAL;
++
++ return id;
++}
++
++static const struct reset_control_ops reset_ops = {
++ .reset = mtmips_reset_device,
++ .assert = mtmips_assert_device,
++ .deassert = mtmips_deassert_device
++};
++
++static int mtmips_reset_init(struct device *dev, struct regmap *sysc)
++{
++ struct mtmips_rst *rst_data;
++
++ rst_data = devm_kzalloc(dev, sizeof(*rst_data), GFP_KERNEL);
++ if (!rst_data)
++ return -ENOMEM;
++
++ rst_data->sysc = sysc;
++ rst_data->rcdev.ops = &reset_ops;
++ rst_data->rcdev.owner = THIS_MODULE;
++ rst_data->rcdev.nr_resets = 32;
++ rst_data->rcdev.of_reset_n_cells = 1;
++ rst_data->rcdev.of_xlate = mtmips_rst_xlate;
++ rst_data->rcdev.of_node = dev_of_node(dev);
++
++ return devm_reset_controller_register(dev, &rst_data->rcdev);
++}
++
++static int mtmips_clk_probe(struct platform_device *pdev)
++{
++ struct device_node *np = pdev->dev.of_node;
++ struct device *dev = &pdev->dev;
++ struct mtmips_clk_priv *priv;
++ int ret;
++
++ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
++ if (!priv)
++ return -ENOMEM;
++
++ priv->sysc = syscon_node_to_regmap(np);
++ if (IS_ERR(priv->sysc))
++ return dev_err_probe(dev, PTR_ERR(priv->sysc),
++ "Could not get sysc syscon regmap\n");
++
++ ret = mtmips_reset_init(dev, priv->sysc);
++ if (ret)
++ return dev_err_probe(dev, ret, "Could not init reset controller\n");
++
++ return 0;
++}
++
++static const struct of_device_id mtmips_clk_of_match[] = {
++ { .compatible = "ralink,rt2880-reset" },
++ { .compatible = "ralink,rt2880-sysc" },
++ { .compatible = "ralink,rt3050-sysc" },
++ { .compatible = "ralink,rt3052-sysc" },
++ { .compatible = "ralink,rt3352-sysc" },
++ { .compatible = "ralink,rt3883-sysc" },
++ { .compatible = "ralink,rt5350-sysc" },
++ { .compatible = "ralink,mt7620-sysc" },
++ { .compatible = "ralink,mt7628-sysc" },
++ { .compatible = "ralink,mt7688-sysc" },
++ {}
++};
++
++static struct platform_driver mtmips_clk_driver = {
++ .probe = mtmips_clk_probe,
++ .driver = {
++ .name = "mtmips-clk",
++ .of_match_table = mtmips_clk_of_match,
++ },
++};
++
++static int __init mtmips_clk_reset_init(void)
++{
++ return platform_driver_register(&mtmips_clk_driver);
++}
++arch_initcall(mtmips_clk_reset_init);
--- /dev/null
+From ffcdf47379eae86dc8f8f02c62994dacf2c9038e Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 19 Jun 2023 06:09:35 +0200
+Subject: [PATCH 3/9] mips: ralink: rt288x: remove clock related code
+
+A properly clock driver for ralink SoCs has been added. Hence there is no
+need to have clock related code in 'arch/mips/ralink' folder anymore.
+
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/include/asm/mach-ralink/rt288x.h | 10 ----------
+ arch/mips/ralink/rt288x.c | 31 ------------------------------
+ 2 files changed, 41 deletions(-)
+
+--- a/arch/mips/include/asm/mach-ralink/rt288x.h
++++ b/arch/mips/include/asm/mach-ralink/rt288x.h
+@@ -17,7 +17,6 @@
+ #define SYSC_REG_CHIP_NAME1 0x04
+ #define SYSC_REG_CHIP_ID 0x0c
+ #define SYSC_REG_SYSTEM_CONFIG 0x10
+-#define SYSC_REG_CLKCFG 0x30
+
+ #define RT2880_CHIP_NAME0 0x38325452
+ #define RT2880_CHIP_NAME1 0x20203038
+@@ -26,15 +25,6 @@
+ #define CHIP_ID_ID_SHIFT 8
+ #define CHIP_ID_REV_MASK 0xff
+
+-#define SYSTEM_CONFIG_CPUCLK_SHIFT 20
+-#define SYSTEM_CONFIG_CPUCLK_MASK 0x3
+-#define SYSTEM_CONFIG_CPUCLK_250 0x0
+-#define SYSTEM_CONFIG_CPUCLK_266 0x1
+-#define SYSTEM_CONFIG_CPUCLK_280 0x2
+-#define SYSTEM_CONFIG_CPUCLK_300 0x3
+-
+-#define CLKCFG_SRAM_CS_N_WDT BIT(9)
+-
+ #define RT2880_SDRAM_BASE 0x08000000
+ #define RT2880_MEM_SIZE_MIN 2
+ #define RT2880_MEM_SIZE_MAX 128
+--- a/arch/mips/ralink/rt288x.c
++++ b/arch/mips/ralink/rt288x.c
+@@ -17,37 +17,6 @@
+
+ #include "common.h"
+
+-void __init ralink_clk_init(void)
+-{
+- unsigned long cpu_rate, wmac_rate = 40000000;
+- u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG);
+- t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK);
+-
+- switch (t) {
+- case SYSTEM_CONFIG_CPUCLK_250:
+- cpu_rate = 250000000;
+- break;
+- case SYSTEM_CONFIG_CPUCLK_266:
+- cpu_rate = 266666667;
+- break;
+- case SYSTEM_CONFIG_CPUCLK_280:
+- cpu_rate = 280000000;
+- break;
+- case SYSTEM_CONFIG_CPUCLK_300:
+- cpu_rate = 300000000;
+- break;
+- }
+-
+- ralink_clk_add("cpu", cpu_rate);
+- ralink_clk_add("300100.timer", cpu_rate / 2);
+- ralink_clk_add("300120.watchdog", cpu_rate / 2);
+- ralink_clk_add("300500.uart", cpu_rate / 2);
+- ralink_clk_add("300900.i2c", cpu_rate / 2);
+- ralink_clk_add("300c00.uartlite", cpu_rate / 2);
+- ralink_clk_add("400000.ethernet", cpu_rate / 2);
+- ralink_clk_add("480000.wmac", wmac_rate);
+-}
+-
+ void __init ralink_of_remap(void)
+ {
+ rt_sysc_membase = plat_of_remap_node("ralink,rt2880-sysc");
--- /dev/null
+From daf73c70f69386fb15960526772ef584a4efcaf2 Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 19 Jun 2023 06:09:36 +0200
+Subject: [PATCH 4/9] mips: ralink: rt305x: remove clock related code
+
+A properly clock driver for ralink SoCs has been added. Hence there is no
+need to have clock related code in 'arch/mips/ralink' folder anymore.
+
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/include/asm/mach-ralink/rt305x.h | 21 --------
+ arch/mips/ralink/rt305x.c | 78 ------------------------------
+ 2 files changed, 99 deletions(-)
+
+--- a/arch/mips/include/asm/mach-ralink/rt305x.h
++++ b/arch/mips/include/asm/mach-ralink/rt305x.h
+@@ -66,26 +66,9 @@ static inline int soc_is_rt5350(void)
+ #define CHIP_ID_ID_SHIFT 8
+ #define CHIP_ID_REV_MASK 0xff
+
+-#define RT305X_SYSCFG_CPUCLK_SHIFT 18
+-#define RT305X_SYSCFG_CPUCLK_MASK 0x1
+-#define RT305X_SYSCFG_CPUCLK_LOW 0x0
+-#define RT305X_SYSCFG_CPUCLK_HIGH 0x1
+-
+ #define RT305X_SYSCFG_SRAM_CS0_MODE_SHIFT 2
+-#define RT305X_SYSCFG_CPUCLK_MASK 0x1
+ #define RT305X_SYSCFG_SRAM_CS0_MODE_WDT 0x1
+
+-#define RT3352_SYSCFG0_CPUCLK_SHIFT 8
+-#define RT3352_SYSCFG0_CPUCLK_MASK 0x1
+-#define RT3352_SYSCFG0_CPUCLK_LOW 0x0
+-#define RT3352_SYSCFG0_CPUCLK_HIGH 0x1
+-
+-#define RT5350_SYSCFG0_CPUCLK_SHIFT 8
+-#define RT5350_SYSCFG0_CPUCLK_MASK 0x3
+-#define RT5350_SYSCFG0_CPUCLK_360 0x0
+-#define RT5350_SYSCFG0_CPUCLK_320 0x2
+-#define RT5350_SYSCFG0_CPUCLK_300 0x3
+-
+ #define RT5350_SYSCFG0_DRAM_SIZE_SHIFT 12
+ #define RT5350_SYSCFG0_DRAM_SIZE_MASK 7
+ #define RT5350_SYSCFG0_DRAM_SIZE_2M 0
+@@ -116,13 +99,9 @@ static inline int soc_is_rt5350(void)
+
+ #define RT3352_SYSC_REG_SYSCFG0 0x010
+ #define RT3352_SYSC_REG_SYSCFG1 0x014
+-#define RT3352_SYSC_REG_CLKCFG1 0x030
+ #define RT3352_SYSC_REG_RSTCTRL 0x034
+ #define RT3352_SYSC_REG_USB_PS 0x05c
+
+-#define RT3352_CLKCFG0_XTAL_SEL BIT(20)
+-#define RT3352_CLKCFG1_UPHY0_CLK_EN BIT(18)
+-#define RT3352_CLKCFG1_UPHY1_CLK_EN BIT(20)
+ #define RT3352_RSTCTRL_UHST BIT(22)
+ #define RT3352_RSTCTRL_UDEV BIT(25)
+ #define RT3352_SYSCFG1_USB0_HOST_MODE BIT(10)
+--- a/arch/mips/ralink/rt305x.c
++++ b/arch/mips/ralink/rt305x.c
+@@ -53,84 +53,6 @@ static unsigned long rt5350_get_mem_size
+ return ret;
+ }
+
+-void __init ralink_clk_init(void)
+-{
+- unsigned long cpu_rate, sys_rate, wdt_rate, uart_rate;
+- unsigned long wmac_rate = 40000000;
+-
+- u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG);
+-
+- if (soc_is_rt305x() || soc_is_rt3350()) {
+- t = (t >> RT305X_SYSCFG_CPUCLK_SHIFT) &
+- RT305X_SYSCFG_CPUCLK_MASK;
+- switch (t) {
+- case RT305X_SYSCFG_CPUCLK_LOW:
+- cpu_rate = 320000000;
+- break;
+- case RT305X_SYSCFG_CPUCLK_HIGH:
+- cpu_rate = 384000000;
+- break;
+- }
+- sys_rate = uart_rate = wdt_rate = cpu_rate / 3;
+- } else if (soc_is_rt3352()) {
+- t = (t >> RT3352_SYSCFG0_CPUCLK_SHIFT) &
+- RT3352_SYSCFG0_CPUCLK_MASK;
+- switch (t) {
+- case RT3352_SYSCFG0_CPUCLK_LOW:
+- cpu_rate = 384000000;
+- break;
+- case RT3352_SYSCFG0_CPUCLK_HIGH:
+- cpu_rate = 400000000;
+- break;
+- }
+- sys_rate = wdt_rate = cpu_rate / 3;
+- uart_rate = 40000000;
+- } else if (soc_is_rt5350()) {
+- t = (t >> RT5350_SYSCFG0_CPUCLK_SHIFT) &
+- RT5350_SYSCFG0_CPUCLK_MASK;
+- switch (t) {
+- case RT5350_SYSCFG0_CPUCLK_360:
+- cpu_rate = 360000000;
+- sys_rate = cpu_rate / 3;
+- break;
+- case RT5350_SYSCFG0_CPUCLK_320:
+- cpu_rate = 320000000;
+- sys_rate = cpu_rate / 4;
+- break;
+- case RT5350_SYSCFG0_CPUCLK_300:
+- cpu_rate = 300000000;
+- sys_rate = cpu_rate / 3;
+- break;
+- default:
+- BUG();
+- }
+- uart_rate = 40000000;
+- wdt_rate = sys_rate;
+- } else {
+- BUG();
+- }
+-
+- if (soc_is_rt3352() || soc_is_rt5350()) {
+- u32 val = rt_sysc_r32(RT3352_SYSC_REG_SYSCFG0);
+-
+- if (!(val & RT3352_CLKCFG0_XTAL_SEL))
+- wmac_rate = 20000000;
+- }
+-
+- ralink_clk_add("cpu", cpu_rate);
+- ralink_clk_add("sys", sys_rate);
+- ralink_clk_add("10000900.i2c", uart_rate);
+- ralink_clk_add("10000a00.i2s", uart_rate);
+- ralink_clk_add("10000b00.spi", sys_rate);
+- ralink_clk_add("10000b40.spi", sys_rate);
+- ralink_clk_add("10000100.timer", wdt_rate);
+- ralink_clk_add("10000120.watchdog", wdt_rate);
+- ralink_clk_add("10000500.uart", uart_rate);
+- ralink_clk_add("10000c00.uartlite", uart_rate);
+- ralink_clk_add("10100000.ethernet", sys_rate);
+- ralink_clk_add("10180000.wmac", wmac_rate);
+-}
+-
+ void __init ralink_of_remap(void)
+ {
+ rt_sysc_membase = plat_of_remap_node("ralink,rt3050-sysc");
--- /dev/null
+From 7cd1bb48885449a9323c7ff0f10012925e93b4e1 Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 19 Jun 2023 06:09:37 +0200
+Subject: [PATCH 5/9] mips: ralink: rt3883: remove clock related code
+
+A properly clock driver for ralink SoCs has been added. Hence there is no
+need to have clock related code in 'arch/mips/ralink' folder anymore.
+
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/include/asm/mach-ralink/rt3883.h | 8 ------
+ arch/mips/ralink/rt3883.c | 44 ------------------------------
+ 2 files changed, 52 deletions(-)
+
+--- a/arch/mips/include/asm/mach-ralink/rt3883.h
++++ b/arch/mips/include/asm/mach-ralink/rt3883.h
+@@ -90,14 +90,6 @@
+ #define RT3883_REVID_VER_ID_SHIFT 8
+ #define RT3883_REVID_ECO_ID_MASK 0x0f
+
+-#define RT3883_SYSCFG0_DRAM_TYPE_DDR2 BIT(17)
+-#define RT3883_SYSCFG0_CPUCLK_SHIFT 8
+-#define RT3883_SYSCFG0_CPUCLK_MASK 0x3
+-#define RT3883_SYSCFG0_CPUCLK_250 0x0
+-#define RT3883_SYSCFG0_CPUCLK_384 0x1
+-#define RT3883_SYSCFG0_CPUCLK_480 0x2
+-#define RT3883_SYSCFG0_CPUCLK_500 0x3
+-
+ #define RT3883_SYSCFG1_USB0_HOST_MODE BIT(10)
+ #define RT3883_SYSCFG1_PCIE_RC_MODE BIT(8)
+ #define RT3883_SYSCFG1_PCI_HOST_MODE BIT(7)
+--- a/arch/mips/ralink/rt3883.c
++++ b/arch/mips/ralink/rt3883.c
+@@ -17,50 +17,6 @@
+
+ #include "common.h"
+
+-void __init ralink_clk_init(void)
+-{
+- unsigned long cpu_rate, sys_rate;
+- u32 syscfg0;
+- u32 clksel;
+- u32 ddr2;
+-
+- syscfg0 = rt_sysc_r32(RT3883_SYSC_REG_SYSCFG0);
+- clksel = ((syscfg0 >> RT3883_SYSCFG0_CPUCLK_SHIFT) &
+- RT3883_SYSCFG0_CPUCLK_MASK);
+- ddr2 = syscfg0 & RT3883_SYSCFG0_DRAM_TYPE_DDR2;
+-
+- switch (clksel) {
+- case RT3883_SYSCFG0_CPUCLK_250:
+- cpu_rate = 250000000;
+- sys_rate = (ddr2) ? 125000000 : 83000000;
+- break;
+- case RT3883_SYSCFG0_CPUCLK_384:
+- cpu_rate = 384000000;
+- sys_rate = (ddr2) ? 128000000 : 96000000;
+- break;
+- case RT3883_SYSCFG0_CPUCLK_480:
+- cpu_rate = 480000000;
+- sys_rate = (ddr2) ? 160000000 : 120000000;
+- break;
+- case RT3883_SYSCFG0_CPUCLK_500:
+- cpu_rate = 500000000;
+- sys_rate = (ddr2) ? 166000000 : 125000000;
+- break;
+- }
+-
+- ralink_clk_add("cpu", cpu_rate);
+- ralink_clk_add("10000100.timer", sys_rate);
+- ralink_clk_add("10000120.watchdog", sys_rate);
+- ralink_clk_add("10000500.uart", 40000000);
+- ralink_clk_add("10000900.i2c", 40000000);
+- ralink_clk_add("10000a00.i2s", 40000000);
+- ralink_clk_add("10000b00.spi", sys_rate);
+- ralink_clk_add("10000b40.spi", sys_rate);
+- ralink_clk_add("10000c00.uartlite", 40000000);
+- ralink_clk_add("10100000.ethernet", sys_rate);
+- ralink_clk_add("10180000.wmac", 40000000);
+-}
+-
+ void __init ralink_of_remap(void)
+ {
+ rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc");
--- /dev/null
+From 04b153abdfcbaba70ceef5a846067d4447fd0078 Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 19 Jun 2023 06:09:38 +0200
+Subject: [PATCH 6/9] mips: ralink: mt7620: remove clock related code
+
+A proper clock driver for ralink SoCs has been added. Hence there is no
+need to have clock related code in 'arch/mips/ralink' folder anymore.
+Since this is the last clock related code removal, remove also remaining
+prototypes in 'common.h' header file.
+
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/include/asm/mach-ralink/mt7620.h | 35 -----
+ arch/mips/ralink/common.h | 3 -
+ arch/mips/ralink/mt7620.c | 226 -----------------------------
+ 3 files changed, 264 deletions(-)
+
+--- a/arch/mips/include/asm/mach-ralink/mt7620.h
++++ b/arch/mips/include/asm/mach-ralink/mt7620.h
+@@ -19,52 +19,17 @@
+ #define SYSC_REG_CHIP_REV 0x0c
+ #define SYSC_REG_SYSTEM_CONFIG0 0x10
+ #define SYSC_REG_SYSTEM_CONFIG1 0x14
+-#define SYSC_REG_CLKCFG0 0x2c
+-#define SYSC_REG_CPU_SYS_CLKCFG 0x3c
+-#define SYSC_REG_CPLL_CONFIG0 0x54
+-#define SYSC_REG_CPLL_CONFIG1 0x58
+
+ #define MT7620_CHIP_NAME0 0x3637544d
+ #define MT7620_CHIP_NAME1 0x20203032
+ #define MT7628_CHIP_NAME1 0x20203832
+
+-#define SYSCFG0_XTAL_FREQ_SEL BIT(6)
+-
+ #define CHIP_REV_PKG_MASK 0x1
+ #define CHIP_REV_PKG_SHIFT 16
+ #define CHIP_REV_VER_MASK 0xf
+ #define CHIP_REV_VER_SHIFT 8
+ #define CHIP_REV_ECO_MASK 0xf
+
+-#define CLKCFG0_PERI_CLK_SEL BIT(4)
+-
+-#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT 16
+-#define CPU_SYS_CLKCFG_OCP_RATIO_MASK 0xf
+-#define CPU_SYS_CLKCFG_OCP_RATIO_1 0 /* 1:1 (Reserved) */
+-#define CPU_SYS_CLKCFG_OCP_RATIO_1_5 1 /* 1:1.5 (Reserved) */
+-#define CPU_SYS_CLKCFG_OCP_RATIO_2 2 /* 1:2 */
+-#define CPU_SYS_CLKCFG_OCP_RATIO_2_5 3 /* 1:2.5 (Reserved) */
+-#define CPU_SYS_CLKCFG_OCP_RATIO_3 4 /* 1:3 */
+-#define CPU_SYS_CLKCFG_OCP_RATIO_3_5 5 /* 1:3.5 (Reserved) */
+-#define CPU_SYS_CLKCFG_OCP_RATIO_4 6 /* 1:4 */
+-#define CPU_SYS_CLKCFG_OCP_RATIO_5 7 /* 1:5 */
+-#define CPU_SYS_CLKCFG_OCP_RATIO_10 8 /* 1:10 */
+-#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT 8
+-#define CPU_SYS_CLKCFG_CPU_FDIV_MASK 0x1f
+-#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT 0
+-#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK 0x1f
+-
+-#define CPLL_CFG0_SW_CFG BIT(31)
+-#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT 16
+-#define CPLL_CFG0_PLL_MULT_RATIO_MASK 0x7
+-#define CPLL_CFG0_LC_CURFCK BIT(15)
+-#define CPLL_CFG0_BYPASS_REF_CLK BIT(14)
+-#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT 10
+-#define CPLL_CFG0_PLL_DIV_RATIO_MASK 0x3
+-
+-#define CPLL_CFG1_CPU_AUX1 BIT(25)
+-#define CPLL_CFG1_CPU_AUX0 BIT(24)
+-
+ #define SYSCFG0_DRAM_TYPE_MASK 0x3
+ #define SYSCFG0_DRAM_TYPE_SHIFT 4
+ #define SYSCFG0_DRAM_TYPE_SDRAM 0
+--- a/arch/mips/ralink/common.h
++++ b/arch/mips/ralink/common.h
+@@ -23,9 +23,6 @@ extern struct ralink_soc_info soc_info;
+
+ extern void ralink_of_remap(void);
+
+-extern void ralink_clk_init(void);
+-extern void ralink_clk_add(const char *dev, unsigned long rate);
+-
+ extern void ralink_rst_init(void);
+
+ extern void __init prom_soc_init(struct ralink_soc_info *soc_info);
+--- a/arch/mips/ralink/mt7620.c
++++ b/arch/mips/ralink/mt7620.c
+@@ -34,12 +34,6 @@
+ #define PMU1_CFG 0x8C
+ #define DIG_SW_SEL BIT(25)
+
+-/* clock scaling */
+-#define CLKCFG_FDIV_MASK 0x1f00
+-#define CLKCFG_FDIV_USB_VAL 0x0300
+-#define CLKCFG_FFRAC_MASK 0x001f
+-#define CLKCFG_FFRAC_USB_VAL 0x0003
+-
+ /* EFUSE bits */
+ #define EFUSE_MT7688 0x100000
+
+@@ -49,226 +43,6 @@
+ /* does the board have sdram or ddram */
+ static int dram_type;
+
+-static __init u32
+-mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div)
+-{
+- u64 t;
+-
+- t = ref_rate;
+- t *= mul;
+- do_div(t, div);
+-
+- return t;
+-}
+-
+-#define MHZ(x) ((x) * 1000 * 1000)
+-
+-static __init unsigned long
+-mt7620_get_xtal_rate(void)
+-{
+- u32 reg;
+-
+- reg = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG0);
+- if (reg & SYSCFG0_XTAL_FREQ_SEL)
+- return MHZ(40);
+-
+- return MHZ(20);
+-}
+-
+-static __init unsigned long
+-mt7620_get_periph_rate(unsigned long xtal_rate)
+-{
+- u32 reg;
+-
+- reg = rt_sysc_r32(SYSC_REG_CLKCFG0);
+- if (reg & CLKCFG0_PERI_CLK_SEL)
+- return xtal_rate;
+-
+- return MHZ(40);
+-}
+-
+-static const u32 mt7620_clk_divider[] __initconst = { 2, 3, 4, 8 };
+-
+-static __init unsigned long
+-mt7620_get_cpu_pll_rate(unsigned long xtal_rate)
+-{
+- u32 reg;
+- u32 mul;
+- u32 div;
+-
+- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG0);
+- if (reg & CPLL_CFG0_BYPASS_REF_CLK)
+- return xtal_rate;
+-
+- if ((reg & CPLL_CFG0_SW_CFG) == 0)
+- return MHZ(600);
+-
+- mul = (reg >> CPLL_CFG0_PLL_MULT_RATIO_SHIFT) &
+- CPLL_CFG0_PLL_MULT_RATIO_MASK;
+- mul += 24;
+- if (reg & CPLL_CFG0_LC_CURFCK)
+- mul *= 2;
+-
+- div = (reg >> CPLL_CFG0_PLL_DIV_RATIO_SHIFT) &
+- CPLL_CFG0_PLL_DIV_RATIO_MASK;
+-
+- WARN_ON(div >= ARRAY_SIZE(mt7620_clk_divider));
+-
+- return mt7620_calc_rate(xtal_rate, mul, mt7620_clk_divider[div]);
+-}
+-
+-static __init unsigned long
+-mt7620_get_pll_rate(unsigned long xtal_rate, unsigned long cpu_pll_rate)
+-{
+- u32 reg;
+-
+- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG1);
+- if (reg & CPLL_CFG1_CPU_AUX1)
+- return xtal_rate;
+-
+- if (reg & CPLL_CFG1_CPU_AUX0)
+- return MHZ(480);
+-
+- return cpu_pll_rate;
+-}
+-
+-static __init unsigned long
+-mt7620_get_cpu_rate(unsigned long pll_rate)
+-{
+- u32 reg;
+- u32 mul;
+- u32 div;
+-
+- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG);
+-
+- mul = reg & CPU_SYS_CLKCFG_CPU_FFRAC_MASK;
+- div = (reg >> CPU_SYS_CLKCFG_CPU_FDIV_SHIFT) &
+- CPU_SYS_CLKCFG_CPU_FDIV_MASK;
+-
+- return mt7620_calc_rate(pll_rate, mul, div);
+-}
+-
+-static const u32 mt7620_ocp_dividers[16] __initconst = {
+- [CPU_SYS_CLKCFG_OCP_RATIO_2] = 2,
+- [CPU_SYS_CLKCFG_OCP_RATIO_3] = 3,
+- [CPU_SYS_CLKCFG_OCP_RATIO_4] = 4,
+- [CPU_SYS_CLKCFG_OCP_RATIO_5] = 5,
+- [CPU_SYS_CLKCFG_OCP_RATIO_10] = 10,
+-};
+-
+-static __init unsigned long
+-mt7620_get_dram_rate(unsigned long pll_rate)
+-{
+- if (dram_type == SYSCFG0_DRAM_TYPE_SDRAM)
+- return pll_rate / 4;
+-
+- return pll_rate / 3;
+-}
+-
+-static __init unsigned long
+-mt7620_get_sys_rate(unsigned long cpu_rate)
+-{
+- u32 reg;
+- u32 ocp_ratio;
+- u32 div;
+-
+- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG);
+-
+- ocp_ratio = (reg >> CPU_SYS_CLKCFG_OCP_RATIO_SHIFT) &
+- CPU_SYS_CLKCFG_OCP_RATIO_MASK;
+-
+- if (WARN_ON(ocp_ratio >= ARRAY_SIZE(mt7620_ocp_dividers)))
+- return cpu_rate;
+-
+- div = mt7620_ocp_dividers[ocp_ratio];
+- if (WARN(!div, "invalid divider for OCP ratio %u", ocp_ratio))
+- return cpu_rate;
+-
+- return cpu_rate / div;
+-}
+-
+-void __init ralink_clk_init(void)
+-{
+- unsigned long xtal_rate;
+- unsigned long cpu_pll_rate;
+- unsigned long pll_rate;
+- unsigned long cpu_rate;
+- unsigned long sys_rate;
+- unsigned long dram_rate;
+- unsigned long periph_rate;
+- unsigned long pcmi2s_rate;
+-
+- xtal_rate = mt7620_get_xtal_rate();
+-
+-#define RFMT(label) label ":%lu.%03luMHz "
+-#define RINT(x) ((x) / 1000000)
+-#define RFRAC(x) (((x) / 1000) % 1000)
+-
+- if (is_mt76x8()) {
+- if (xtal_rate == MHZ(40))
+- cpu_rate = MHZ(580);
+- else
+- cpu_rate = MHZ(575);
+- dram_rate = sys_rate = cpu_rate / 3;
+- periph_rate = MHZ(40);
+- pcmi2s_rate = MHZ(480);
+-
+- ralink_clk_add("10000d00.uartlite", periph_rate);
+- ralink_clk_add("10000e00.uartlite", periph_rate);
+- } else {
+- cpu_pll_rate = mt7620_get_cpu_pll_rate(xtal_rate);
+- pll_rate = mt7620_get_pll_rate(xtal_rate, cpu_pll_rate);
+-
+- cpu_rate = mt7620_get_cpu_rate(pll_rate);
+- dram_rate = mt7620_get_dram_rate(pll_rate);
+- sys_rate = mt7620_get_sys_rate(cpu_rate);
+- periph_rate = mt7620_get_periph_rate(xtal_rate);
+- pcmi2s_rate = periph_rate;
+-
+- pr_debug(RFMT("XTAL") RFMT("CPU_PLL") RFMT("PLL"),
+- RINT(xtal_rate), RFRAC(xtal_rate),
+- RINT(cpu_pll_rate), RFRAC(cpu_pll_rate),
+- RINT(pll_rate), RFRAC(pll_rate));
+-
+- ralink_clk_add("10000500.uart", periph_rate);
+- }
+-
+- pr_debug(RFMT("CPU") RFMT("DRAM") RFMT("SYS") RFMT("PERIPH"),
+- RINT(cpu_rate), RFRAC(cpu_rate),
+- RINT(dram_rate), RFRAC(dram_rate),
+- RINT(sys_rate), RFRAC(sys_rate),
+- RINT(periph_rate), RFRAC(periph_rate));
+-#undef RFRAC
+-#undef RINT
+-#undef RFMT
+-
+- ralink_clk_add("cpu", cpu_rate);
+- ralink_clk_add("10000100.timer", periph_rate);
+- ralink_clk_add("10000120.watchdog", periph_rate);
+- ralink_clk_add("10000900.i2c", periph_rate);
+- ralink_clk_add("10000a00.i2s", pcmi2s_rate);
+- ralink_clk_add("10000b00.spi", sys_rate);
+- ralink_clk_add("10000b40.spi", sys_rate);
+- ralink_clk_add("10000c00.uartlite", periph_rate);
+- ralink_clk_add("10000d00.uart1", periph_rate);
+- ralink_clk_add("10000e00.uart2", periph_rate);
+- ralink_clk_add("10180000.wmac", xtal_rate);
+-
+- if (IS_ENABLED(CONFIG_USB) && !is_mt76x8()) {
+- /*
+- * When the CPU goes into sleep mode, the BUS clock will be
+- * too low for USB to function properly. Adjust the busses
+- * fractional divider to fix this
+- */
+- u32 val = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG);
+-
+- val &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK);
+- val |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL;
+-
+- rt_sysc_w32(val, SYSC_REG_CPU_SYS_CLKCFG);
+- }
+-}
+-
+ void __init ralink_of_remap(void)
+ {
+ rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc");
--- /dev/null
+From 201ddc05777cd8e084b508bcdda22214bfe2895e Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 19 Jun 2023 06:09:39 +0200
+Subject: [PATCH 7/9] mips: ralink: remove reset related code
+
+A proper clock driver for ralink SoCs has been added. This driver is also
+a reset provider for the SoC. Hence there is no need to have reset related
+code in 'arch/mips/ralink' folder anymore. The only code that remains is
+the one related with mips_reboot_setup where a PCI reset is performed.
+We maintain this because I cannot test old ralink board with PCI to be
+sure all works if we remove also this code.
+
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/ralink/common.h | 2 --
+ arch/mips/ralink/of.c | 4 ----
+ arch/mips/ralink/reset.c | 61 -----------------------------------------------
+ 3 files changed, 67 deletions(-)
+
+--- a/arch/mips/ralink/common.h
++++ b/arch/mips/ralink/common.h
+@@ -23,8 +23,6 @@ extern struct ralink_soc_info soc_info;
+
+ extern void ralink_of_remap(void);
+
+-extern void ralink_rst_init(void);
+-
+ extern void __init prom_soc_init(struct ralink_soc_info *soc_info);
+
+ __iomem void *plat_of_remap_node(const char *node);
+--- a/arch/mips/ralink/of.c
++++ b/arch/mips/ralink/of.c
+@@ -81,10 +81,6 @@ static int __init plat_of_setup(void)
+ {
+ __dt_register_buses(soc_info.compatible, "palmbus");
+
+- /* make sure that the reset controller is setup early */
+- if (ralink_soc != MT762X_SOC_MT7621AT)
+- ralink_rst_init();
+-
+ return 0;
+ }
+
+--- a/arch/mips/ralink/reset.c
++++ b/arch/mips/ralink/reset.c
+@@ -10,7 +10,6 @@
+ #include <linux/io.h>
+ #include <linux/of.h>
+ #include <linux/delay.h>
+-#include <linux/reset-controller.h>
+
+ #include <asm/reboot.h>
+
+@@ -22,66 +21,6 @@
+ #define RSTCTL_RESET_PCI BIT(26)
+ #define RSTCTL_RESET_SYSTEM BIT(0)
+
+-static int ralink_assert_device(struct reset_controller_dev *rcdev,
+- unsigned long id)
+-{
+- u32 val;
+-
+- if (id == 0)
+- return -1;
+-
+- val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
+- val |= BIT(id);
+- rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
+-
+- return 0;
+-}
+-
+-static int ralink_deassert_device(struct reset_controller_dev *rcdev,
+- unsigned long id)
+-{
+- u32 val;
+-
+- if (id == 0)
+- return -1;
+-
+- val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
+- val &= ~BIT(id);
+- rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
+-
+- return 0;
+-}
+-
+-static int ralink_reset_device(struct reset_controller_dev *rcdev,
+- unsigned long id)
+-{
+- ralink_assert_device(rcdev, id);
+- return ralink_deassert_device(rcdev, id);
+-}
+-
+-static const struct reset_control_ops reset_ops = {
+- .reset = ralink_reset_device,
+- .assert = ralink_assert_device,
+- .deassert = ralink_deassert_device,
+-};
+-
+-static struct reset_controller_dev reset_dev = {
+- .ops = &reset_ops,
+- .owner = THIS_MODULE,
+- .nr_resets = 32,
+- .of_reset_n_cells = 1,
+-};
+-
+-void ralink_rst_init(void)
+-{
+- reset_dev.of_node = of_find_compatible_node(NULL, NULL,
+- "ralink,rt2880-reset");
+- if (!reset_dev.of_node)
+- pr_err("Failed to find reset controller node");
+- else
+- reset_controller_register(&reset_dev);
+-}
+-
+ static void ralink_restart(char *command)
+ {
+ if (IS_ENABLED(CONFIG_PCI)) {
--- /dev/null
+From ad38c17b0c26ae2108b50ac1eb0281a2e1ce08e9 Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 19 Jun 2023 06:09:40 +0200
+Subject: [PATCH 8/9] mips: ralink: get cpu rate from new driver code
+
+At very early stage on boot, there is a need to set 'mips_hpt_frequency'.
+This timer frequency is a half of the CPU frequency. To get clocks properly
+set we need to call to 'of_clk_init()' and properly get cpu clock frequency
+afterwards. Depending on the SoC, CPU clock index and compatible differs, so
+use them to get the proper clock frm the clock provider. Hence, adapt code
+to be aligned with new clock driver.
+
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/ralink/clk.c | 61 ++++++++++++++++++++++++++++++++++++++++++--------
+ 1 file changed, 52 insertions(+), 9 deletions(-)
+
+--- a/arch/mips/ralink/clk.c
++++ b/arch/mips/ralink/clk.c
+@@ -11,29 +11,72 @@
+ #include <linux/clkdev.h>
+ #include <linux/clk.h>
+ #include <linux/clk-provider.h>
++#include <asm/mach-ralink/ralink_regs.h>
+
+ #include <asm/time.h>
+
+ #include "common.h"
+
+-void ralink_clk_add(const char *dev, unsigned long rate)
++static const char *clk_cpu(int *idx)
+ {
+- struct clk *clk = clk_register_fixed_rate(NULL, dev, NULL, 0, rate);
+-
+- if (!clk)
+- panic("failed to add clock");
+-
+- clkdev_create(clk, NULL, "%s", dev);
++ switch (ralink_soc) {
++ case RT2880_SOC:
++ *idx = 0;
++ return "ralink,rt2880-sysc";
++ case RT3883_SOC:
++ *idx = 0;
++ return "ralink,rt3883-sysc";
++ case RT305X_SOC_RT3050:
++ *idx = 0;
++ return "ralink,rt3050-sysc";
++ case RT305X_SOC_RT3052:
++ *idx = 0;
++ return "ralink,rt3052-sysc";
++ case RT305X_SOC_RT3350:
++ *idx = 1;
++ return "ralink,rt3350-sysc";
++ case RT305X_SOC_RT3352:
++ *idx = 1;
++ return "ralink,rt3352-sysc";
++ case RT305X_SOC_RT5350:
++ *idx = 1;
++ return "ralink,rt5350-sysc";
++ case MT762X_SOC_MT7620A:
++ *idx = 2;
++ return "ralink,mt7620-sysc";
++ case MT762X_SOC_MT7620N:
++ *idx = 2;
++ return "ralink,mt7620-sysc";
++ case MT762X_SOC_MT7628AN:
++ *idx = 1;
++ return "ralink,mt7628-sysc";
++ case MT762X_SOC_MT7688:
++ *idx = 1;
++ return "ralink,mt7688-sysc";
++ default:
++ *idx = -1;
++ return "invalid";
++ }
+ }
+
+ void __init plat_time_init(void)
+ {
++ struct of_phandle_args clkspec;
++ const char *compatible;
+ struct clk *clk;
++ int cpu_clk_idx;
+
+ ralink_of_remap();
+
+- ralink_clk_init();
+- clk = clk_get_sys("cpu", NULL);
++ compatible = clk_cpu(&cpu_clk_idx);
++ if (cpu_clk_idx == -1)
++ panic("unable to get CPU clock index");
++
++ of_clk_init(NULL);
++ clkspec.np = of_find_compatible_node(NULL, NULL, compatible);
++ clkspec.args_count = 1;
++ clkspec.args[0] = cpu_clk_idx;
++ clk = of_clk_get_from_provider(&clkspec);
+ if (IS_ERR(clk))
+ panic("unable to get CPU clock, err=%ld", PTR_ERR(clk));
+ pr_info("CPU Clock: %ldMHz\n", clk_get_rate(clk) / 1000000);
--- /dev/null
+From fc15a7193a4d37d79e873fa06cc423180ddd2ddf Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Mon, 19 Jun 2023 06:09:41 +0200
+Subject: [PATCH 9/9] MAINTAINERS: add Mediatek MTMIPS Clock maintainer
+
+Adding myself as maintainer for Mediatek MTMIPS clock driver.
+
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ MAINTAINERS | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+--- a/MAINTAINERS
++++ b/MAINTAINERS
+@@ -13021,6 +13021,12 @@ S: Maintained
+ F: Documentation/devicetree/bindings/clock/mediatek,mt7621-sysc.yaml
+ F: drivers/clk/ralink/clk-mt7621.c
+
++MEDIATEK MTMIPS CLOCK DRIVER
++M: Sergio Paracuellos <sergio.paracuellos@gmail.com>
++S: Maintained
++F: Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml
++F: drivers/clk/ralink/clk-mtmips.c
++
+ MEDIATEK MT7621/28/88 I2C DRIVER
+ M: Stefan Roese <sr@denx.de>
+ L: linux-i2c@vger.kernel.org
--- /dev/null
+From fd99ac5055d4705e91c73d1adba18bc71c8511a8 Mon Sep 17 00:00:00 2001
+From: Shiji Yang <yangshiji66@outlook.com>
+Date: Tue, 20 Jun 2023 19:44:32 +0800
+Subject: [PATCH] mips: ralink: introduce commonly used remap node function
+
+The ralink_of_remap() function is repeated several times on SoC specific
+source files. They have the same structure, but just differ in compatible
+strings. In order to make commonly use of these codes, this patch
+introduces a newly designed mtmips_of_remap_node() function to match and
+remap all supported system controller and memory controller nodes.
+
+Build and run tested on MT7620 and MT7628.
+
+Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
+Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/ralink/common.h | 2 --
+ arch/mips/ralink/mt7620.c | 9 ---------
+ arch/mips/ralink/mt7621.c | 9 ---------
+ arch/mips/ralink/of.c | 42 +++++++++++++++++++++++++++++++++++-------
+ arch/mips/ralink/rt288x.c | 9 ---------
+ arch/mips/ralink/rt305x.c | 9 ---------
+ arch/mips/ralink/rt3883.c | 9 ---------
+ 7 files changed, 35 insertions(+), 54 deletions(-)
+
+--- a/arch/mips/ralink/common.h
++++ b/arch/mips/ralink/common.h
+@@ -25,6 +25,4 @@ extern void ralink_of_remap(void);
+
+ extern void __init prom_soc_init(struct ralink_soc_info *soc_info);
+
+-__iomem void *plat_of_remap_node(const char *node);
+-
+ #endif /* _RALINK_COMMON_H__ */
+--- a/arch/mips/ralink/mt7620.c
++++ b/arch/mips/ralink/mt7620.c
+@@ -43,15 +43,6 @@
+ /* does the board have sdram or ddram */
+ static int dram_type;
+
+-void __init ralink_of_remap(void)
+-{
+- rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc");
+- rt_memc_membase = plat_of_remap_node("ralink,mt7620a-memc");
+-
+- if (!rt_sysc_membase || !rt_memc_membase)
+- panic("Failed to remap core resources");
+-}
+-
+ static __init void
+ mt7620_dram_init(struct ralink_soc_info *soc_info)
+ {
+--- a/arch/mips/ralink/mt7621.c
++++ b/arch/mips/ralink/mt7621.c
+@@ -89,15 +89,6 @@ static void __init mt7621_memory_detect(
+ memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE);
+ }
+
+-void __init ralink_of_remap(void)
+-{
+- rt_sysc_membase = plat_of_remap_node("mediatek,mt7621-sysc");
+- rt_memc_membase = plat_of_remap_node("mediatek,mt7621-memc");
+-
+- if (!rt_sysc_membase || !rt_memc_membase)
+- panic("Failed to remap core resources");
+-}
+-
+ static unsigned int __init mt7621_get_soc_name0(void)
+ {
+ return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_NAME0);
+--- a/arch/mips/ralink/of.c
++++ b/arch/mips/ralink/of.c
+@@ -29,28 +29,56 @@ __iomem void *rt_sysc_membase;
+ __iomem void *rt_memc_membase;
+ EXPORT_SYMBOL_GPL(rt_sysc_membase);
+
+-__iomem void *plat_of_remap_node(const char *node)
++static const struct of_device_id mtmips_memc_match[] = {
++ { .compatible = "mediatek,mt7621-memc" },
++ { .compatible = "ralink,mt7620a-memc" },
++ { .compatible = "ralink,rt2880-memc" },
++ { .compatible = "ralink,rt3050-memc" },
++ { .compatible = "ralink,rt3883-memc" },
++ {}
++};
++
++static const struct of_device_id mtmips_sysc_match[] = {
++ { .compatible = "mediatek,mt7621-sysc" },
++ { .compatible = "ralink,mt7620a-sysc" },
++ { .compatible = "ralink,rt2880-sysc" },
++ { .compatible = "ralink,rt3050-sysc" },
++ { .compatible = "ralink,rt3883-sysc" },
++ {}
++};
++
++static __iomem void *
++mtmips_of_remap_node(const struct of_device_id *match, const char *type)
+ {
+ struct resource res;
+ struct device_node *np;
+
+- np = of_find_compatible_node(NULL, NULL, node);
++ np = of_find_matching_node(NULL, match);
+ if (!np)
+- panic("Failed to find %s node", node);
++ panic("Failed to find %s controller node", type);
+
+ if (of_address_to_resource(np, 0, &res))
+- panic("Failed to get resource for %s", node);
+-
+- of_node_put(np);
++ panic("Failed to get resource for %s node", np->name);
+
+ if (!request_mem_region(res.start,
+ resource_size(&res),
+ res.name))
+- panic("Failed to request resources for %s", node);
++ panic("Failed to request resources for %s node", np->name);
++
++ of_node_put(np);
+
+ return ioremap(res.start, resource_size(&res));
+ }
+
++void __init ralink_of_remap(void)
++{
++ rt_sysc_membase = mtmips_of_remap_node(mtmips_sysc_match, "system");
++ rt_memc_membase = mtmips_of_remap_node(mtmips_memc_match, "memory");
++
++ if (!rt_sysc_membase || !rt_memc_membase)
++ panic("Failed to remap core resources");
++}
++
+ void __init plat_mem_setup(void)
+ {
+ void *dtb;
+--- a/arch/mips/ralink/rt288x.c
++++ b/arch/mips/ralink/rt288x.c
+@@ -17,15 +17,6 @@
+
+ #include "common.h"
+
+-void __init ralink_of_remap(void)
+-{
+- rt_sysc_membase = plat_of_remap_node("ralink,rt2880-sysc");
+- rt_memc_membase = plat_of_remap_node("ralink,rt2880-memc");
+-
+- if (!rt_sysc_membase || !rt_memc_membase)
+- panic("Failed to remap core resources");
+-}
+-
+ void __init prom_soc_init(struct ralink_soc_info *soc_info)
+ {
+ void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT2880_SYSC_BASE);
+--- a/arch/mips/ralink/rt305x.c
++++ b/arch/mips/ralink/rt305x.c
+@@ -53,15 +53,6 @@ static unsigned long rt5350_get_mem_size
+ return ret;
+ }
+
+-void __init ralink_of_remap(void)
+-{
+- rt_sysc_membase = plat_of_remap_node("ralink,rt3050-sysc");
+- rt_memc_membase = plat_of_remap_node("ralink,rt3050-memc");
+-
+- if (!rt_sysc_membase || !rt_memc_membase)
+- panic("Failed to remap core resources");
+-}
+-
+ void __init prom_soc_init(struct ralink_soc_info *soc_info)
+ {
+ void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE);
+--- a/arch/mips/ralink/rt3883.c
++++ b/arch/mips/ralink/rt3883.c
+@@ -17,15 +17,6 @@
+
+ #include "common.h"
+
+-void __init ralink_of_remap(void)
+-{
+- rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc");
+- rt_memc_membase = plat_of_remap_node("ralink,rt3883-memc");
+-
+- if (!rt_sysc_membase || !rt_memc_membase)
+- panic("Failed to remap core resources");
+-}
+-
+ void __init prom_soc_init(struct ralink_soc_info *soc_info)
+ {
+ void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT3883_SYSC_BASE);
--- /dev/null
+From 6e68dae946e3a0333fbde5487ce163142ca10ae0 Mon Sep 17 00:00:00 2001
+From: Nathan Chancellor <nathan@kernel.org>
+Date: Thu, 22 Jun 2023 15:56:19 +0000
+Subject: clk: ralink: mtmips: Fix uninitialized use of ret in
+ mtmips_register_{fixed,factor}_clocks()
+
+Clang warns:
+
+ drivers/clk/ralink/clk-mtmips.c:309:9: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized]
+ 309 | return ret;
+ | ^~~
+ drivers/clk/ralink/clk-mtmips.c:285:9: note: initialize the variable 'ret' to silence this warning
+ 285 | int ret, i;
+ | ^
+ | = 0
+ drivers/clk/ralink/clk-mtmips.c:359:9: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized]
+ 359 | return ret;
+ | ^~~
+ drivers/clk/ralink/clk-mtmips.c:335:9: note: initialize the variable 'ret' to silence this warning
+ 335 | int ret, i;
+ | ^
+ | = 0
+ 2 errors generated.
+
+Set ret to the return value of clk_hw_register_fixed_rate() using the
+PTR_ERR() macro, which ensures ret is not used uninitialized, clearing
+up the warning.
+
+Fixes: 6f3b15586eef ("clk: ralink: add clock and reset driver for MTMIPS SoCs")
+Closes: https://github.com/ClangBuiltLinux/linux/issues/1879
+Signed-off-by: Nathan Chancellor <nathan@kernel.org>
+Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
+Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ drivers/clk/ralink/clk-mtmips.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/clk/ralink/clk-mtmips.c
++++ b/drivers/clk/ralink/clk-mtmips.c
+@@ -292,6 +292,7 @@ static int mtmips_register_fixed_clocks(
+ sclk->parent, 0,
+ sclk->rate);
+ if (IS_ERR(sclk->hw)) {
++ ret = PTR_ERR(sclk->hw);
+ pr_err("Couldn't register fixed clock %d\n", idx);
+ goto err_clk_unreg;
+ }
+@@ -342,6 +343,7 @@ static int mtmips_register_factor_clocks
+ sclk->parent, sclk->flags,
+ sclk->mult, sclk->div);
+ if (IS_ERR(sclk->hw)) {
++ ret = PTR_ERR(sclk->hw);
+ pr_err("Couldn't register factor clock %d\n", idx);
+ goto err_clk_unreg;
+ }
--- /dev/null
+From 670f77f76f650b1b341d31d009cc2fb03a4d1fcf Mon Sep 17 00:00:00 2001
+From: Shiji Yang <yangshiji66@outlook.com>
+Date: Fri, 23 Jun 2023 08:17:48 +0800
+Subject: mips: ralink: match all supported system controller compatible
+ strings
+
+Recently, A new clock and reset controller driver has been introduced to
+the ralink mips target[1]. It provides proper system control and adds more
+SoC specific compatible strings. In order to better initialize CPUs, this
+patch removes the outdated "ralink,mt7620a-sysc" and add all dt-binding
+documented compatible strings to the system controller match table.
+
+[1] https://lore.kernel.org/all/20230619040941.1340372-1-sergio.paracuellos@gmail.com/
+
+Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
+Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/ralink/of.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+--- a/arch/mips/ralink/of.c
++++ b/arch/mips/ralink/of.c
+@@ -40,10 +40,15 @@ static const struct of_device_id mtmips_
+
+ static const struct of_device_id mtmips_sysc_match[] = {
+ { .compatible = "mediatek,mt7621-sysc" },
+- { .compatible = "ralink,mt7620a-sysc" },
++ { .compatible = "ralink,mt7620-sysc" },
++ { .compatible = "ralink,mt7628-sysc" },
++ { .compatible = "ralink,mt7688-sysc" },
+ { .compatible = "ralink,rt2880-sysc" },
+ { .compatible = "ralink,rt3050-sysc" },
++ { .compatible = "ralink,rt3052-sysc" },
++ { .compatible = "ralink,rt3352-sysc" },
+ { .compatible = "ralink,rt3883-sysc" },
++ { .compatible = "ralink,rt5350-sysc" },
+ {}
+ };
+
--- /dev/null
+From 783c7cb4659b53b5e1b809dac5e8cdf250145919 Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Tue, 14 Feb 2023 11:39:35 +0100
+Subject: [PATCH 1/2] watchdog: mt7621-wdt: avoid static global declarations
+
+Instead of using static global definitions in driver code, refactor code
+introducing a new watchdog driver data structure and use it along the
+code.
+
+Reviewed-by: Guenter Roeck <linux@roeck-us.net>
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Link: https://lore.kernel.org/r/20230214103936.1061078-5-sergio.paracuellos@gmail.com
+[groeck: unsigned -> unsigned int]
+Signed-off-by: Guenter Roeck <linux@roeck-us.net>
+Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
+---
+ drivers/watchdog/mt7621_wdt.c | 102 +++++++++++++++++++++++++++---------------
+ 1 file changed, 65 insertions(+), 37 deletions(-)
+
+--- a/drivers/watchdog/mt7621_wdt.c
++++ b/drivers/watchdog/mt7621_wdt.c
+@@ -31,8 +31,11 @@
+ #define TMR1CTL_RESTART BIT(9)
+ #define TMR1CTL_PRESCALE_SHIFT 16
+
+-static void __iomem *mt7621_wdt_base;
+-static struct reset_control *mt7621_wdt_reset;
++struct mt7621_wdt_data {
++ void __iomem *base;
++ struct reset_control *rst;
++ struct watchdog_device wdt;
++};
+
+ static bool nowayout = WATCHDOG_NOWAYOUT;
+ module_param(nowayout, bool, 0);
+@@ -40,27 +43,31 @@ MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+-static inline void rt_wdt_w32(unsigned reg, u32 val)
++static inline void rt_wdt_w32(void __iomem *base, unsigned int reg, u32 val)
+ {
+- iowrite32(val, mt7621_wdt_base + reg);
++ iowrite32(val, base + reg);
+ }
+
+-static inline u32 rt_wdt_r32(unsigned reg)
++static inline u32 rt_wdt_r32(void __iomem *base, unsigned int reg)
+ {
+- return ioread32(mt7621_wdt_base + reg);
++ return ioread32(base + reg);
+ }
+
+ static int mt7621_wdt_ping(struct watchdog_device *w)
+ {
+- rt_wdt_w32(TIMER_REG_TMRSTAT, TMR1CTL_RESTART);
++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
++
++ rt_wdt_w32(drvdata->base, TIMER_REG_TMRSTAT, TMR1CTL_RESTART);
+
+ return 0;
+ }
+
+ static int mt7621_wdt_set_timeout(struct watchdog_device *w, unsigned int t)
+ {
++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
++
+ w->timeout = t;
+- rt_wdt_w32(TIMER_REG_TMR1LOAD, t * 1000);
++ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1LOAD, t * 1000);
+ mt7621_wdt_ping(w);
+
+ return 0;
+@@ -68,29 +75,31 @@ static int mt7621_wdt_set_timeout(struct
+
+ static int mt7621_wdt_start(struct watchdog_device *w)
+ {
++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
+ u32 t;
+
+ /* set the prescaler to 1ms == 1000us */
+- rt_wdt_w32(TIMER_REG_TMR1CTL, 1000 << TMR1CTL_PRESCALE_SHIFT);
++ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1CTL, 1000 << TMR1CTL_PRESCALE_SHIFT);
+
+ mt7621_wdt_set_timeout(w, w->timeout);
+
+- t = rt_wdt_r32(TIMER_REG_TMR1CTL);
++ t = rt_wdt_r32(drvdata->base, TIMER_REG_TMR1CTL);
+ t |= TMR1CTL_ENABLE;
+- rt_wdt_w32(TIMER_REG_TMR1CTL, t);
++ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1CTL, t);
+
+ return 0;
+ }
+
+ static int mt7621_wdt_stop(struct watchdog_device *w)
+ {
++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
+ u32 t;
+
+ mt7621_wdt_ping(w);
+
+- t = rt_wdt_r32(TIMER_REG_TMR1CTL);
++ t = rt_wdt_r32(drvdata->base, TIMER_REG_TMR1CTL);
+ t &= ~TMR1CTL_ENABLE;
+- rt_wdt_w32(TIMER_REG_TMR1CTL, t);
++ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1CTL, t);
+
+ return 0;
+ }
+@@ -105,7 +114,9 @@ static int mt7621_wdt_bootcause(void)
+
+ static int mt7621_wdt_is_running(struct watchdog_device *w)
+ {
+- return !!(rt_wdt_r32(TIMER_REG_TMR1CTL) & TMR1CTL_ENABLE);
++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w);
++
++ return !!(rt_wdt_r32(drvdata->base, TIMER_REG_TMR1CTL) & TMR1CTL_ENABLE);
+ }
+
+ static const struct watchdog_info mt7621_wdt_info = {
+@@ -121,30 +132,39 @@ static const struct watchdog_ops mt7621_
+ .set_timeout = mt7621_wdt_set_timeout,
+ };
+
+-static struct watchdog_device mt7621_wdt_dev = {
+- .info = &mt7621_wdt_info,
+- .ops = &mt7621_wdt_ops,
+- .min_timeout = 1,
+- .max_timeout = 0xfffful / 1000,
+-};
+-
+ static int mt7621_wdt_probe(struct platform_device *pdev)
+ {
+ struct device *dev = &pdev->dev;
+- mt7621_wdt_base = devm_platform_ioremap_resource(pdev, 0);
+- if (IS_ERR(mt7621_wdt_base))
+- return PTR_ERR(mt7621_wdt_base);
+-
+- mt7621_wdt_reset = devm_reset_control_get_exclusive(dev, NULL);
+- if (!IS_ERR(mt7621_wdt_reset))
+- reset_control_deassert(mt7621_wdt_reset);
+-
+- mt7621_wdt_dev.bootstatus = mt7621_wdt_bootcause();
+-
+- watchdog_init_timeout(&mt7621_wdt_dev, mt7621_wdt_dev.max_timeout,
+- dev);
+- watchdog_set_nowayout(&mt7621_wdt_dev, nowayout);
+- if (mt7621_wdt_is_running(&mt7621_wdt_dev)) {
++ struct watchdog_device *mt7621_wdt;
++ struct mt7621_wdt_data *drvdata;
++ int err;
++
++ drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
++ if (!drvdata)
++ return -ENOMEM;
++
++ drvdata->base = devm_platform_ioremap_resource(pdev, 0);
++ if (IS_ERR(drvdata->base))
++ return PTR_ERR(drvdata->base);
++
++ drvdata->rst = devm_reset_control_get_exclusive(dev, NULL);
++ if (!IS_ERR(drvdata->rst))
++ reset_control_deassert(drvdata->rst);
++
++ mt7621_wdt = &drvdata->wdt;
++ mt7621_wdt->info = &mt7621_wdt_info;
++ mt7621_wdt->ops = &mt7621_wdt_ops;
++ mt7621_wdt->min_timeout = 1;
++ mt7621_wdt->max_timeout = 0xfffful / 1000;
++ mt7621_wdt->parent = dev;
++
++ mt7621_wdt->bootstatus = mt7621_wdt_bootcause();
++
++ watchdog_init_timeout(mt7621_wdt, mt7621_wdt->max_timeout, dev);
++ watchdog_set_nowayout(mt7621_wdt, nowayout);
++ watchdog_set_drvdata(mt7621_wdt, drvdata);
++
++ if (mt7621_wdt_is_running(mt7621_wdt)) {
+ /*
+ * Make sure to apply timeout from watchdog core, taking
+ * the prescaler of this driver here into account (the
+@@ -154,17 +174,25 @@ static int mt7621_wdt_probe(struct platf
+ * we first disable the watchdog, set the new prescaler
+ * and timeout, and then re-enable the watchdog.
+ */
+- mt7621_wdt_stop(&mt7621_wdt_dev);
+- mt7621_wdt_start(&mt7621_wdt_dev);
+- set_bit(WDOG_HW_RUNNING, &mt7621_wdt_dev.status);
++ mt7621_wdt_stop(mt7621_wdt);
++ mt7621_wdt_start(mt7621_wdt);
++ set_bit(WDOG_HW_RUNNING, &mt7621_wdt->status);
+ }
+
+- return devm_watchdog_register_device(dev, &mt7621_wdt_dev);
++ err = devm_watchdog_register_device(dev, &drvdata->wdt);
++ if (err)
++ return err;
++
++ platform_set_drvdata(pdev, drvdata);
++
++ return 0;
+ }
+
+ static void mt7621_wdt_shutdown(struct platform_device *pdev)
+ {
+- mt7621_wdt_stop(&mt7621_wdt_dev);
++ struct mt7621_wdt_data *drvdata = platform_get_drvdata(pdev);
++
++ mt7621_wdt_stop(&drvdata->wdt);
+ }
+
+ static const struct of_device_id mt7621_wdt_match[] = {
--- /dev/null
+From ff8ec4ac39ad413b580d611dbf68e1d8a82eba56 Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Tue, 14 Feb 2023 11:39:36 +0100
+Subject: [PATCH 2/2] watchdog: mt7621-wdt: avoid ralink architecture dependent code
+
+MT7621 SoC has a system controller node. Watchdog need to access to reset
+status register. Ralink architecture and related driver are old and from
+the beggining they are using some architecture dependent operations for
+accessing this shared registers through 'asm/mach-ralink/ralink_regs.h'
+header file. However this is not ideal from a driver perspective which can
+just access to the system controller registers in an arch independent way
+using regmap syscon APIs. Update Kconfig accordingly to select new added
+dependencies and allow driver to be compile tested.
+
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Reviewed-by: Guenter Roeck <linux@roeck-us.net>
+Link: https://lore.kernel.org/r/20230214103936.1061078-6-sergio.paracuellos@gmail.com
+Signed-off-by: Guenter Roeck <linux@roeck-us.net>
+Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
+---
+ drivers/watchdog/Kconfig | 4 +++-
+ drivers/watchdog/mt7621_wdt.c | 22 +++++++++++++++++-----
+ 2 files changed, 20 insertions(+), 6 deletions(-)
+
+--- a/drivers/watchdog/Kconfig
++++ b/drivers/watchdog/Kconfig
+@@ -1865,7 +1865,9 @@ config GXP_WATCHDOG
+ config MT7621_WDT
+ tristate "Mediatek SoC watchdog"
+ select WATCHDOG_CORE
+- depends on SOC_MT7620 || SOC_MT7621
++ select REGMAP_MMIO
++ select MFD_SYSCON
++ depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST
+ help
+ Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
+
+--- a/drivers/watchdog/mt7621_wdt.c
++++ b/drivers/watchdog/mt7621_wdt.c
+@@ -15,8 +15,8 @@
+ #include <linux/moduleparam.h>
+ #include <linux/platform_device.h>
+ #include <linux/mod_devicetable.h>
+-
+-#include <asm/mach-ralink/ralink_regs.h>
++#include <linux/mfd/syscon.h>
++#include <linux/regmap.h>
+
+ #define SYSC_RSTSTAT 0x38
+ #define WDT_RST_CAUSE BIT(1)
+@@ -34,6 +34,7 @@
+ struct mt7621_wdt_data {
+ void __iomem *base;
+ struct reset_control *rst;
++ struct regmap *sysc;
+ struct watchdog_device wdt;
+ };
+
+@@ -104,9 +105,12 @@ static int mt7621_wdt_stop(struct watchd
+ return 0;
+ }
+
+-static int mt7621_wdt_bootcause(void)
++static int mt7621_wdt_bootcause(struct mt7621_wdt_data *d)
+ {
+- if (rt_sysc_r32(SYSC_RSTSTAT) & WDT_RST_CAUSE)
++ u32 val;
++
++ regmap_read(d->sysc, SYSC_RSTSTAT, &val);
++ if (val & WDT_RST_CAUSE)
+ return WDIOF_CARDRESET;
+
+ return 0;
+@@ -134,6 +138,7 @@ static const struct watchdog_ops mt7621_
+
+ static int mt7621_wdt_probe(struct platform_device *pdev)
+ {
++ struct device_node *np = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
+ struct watchdog_device *mt7621_wdt;
+ struct mt7621_wdt_data *drvdata;
+@@ -143,6 +148,13 @@ static int mt7621_wdt_probe(struct platf
+ if (!drvdata)
+ return -ENOMEM;
+
++ drvdata->sysc = syscon_regmap_lookup_by_phandle(np, "mediatek,sysctl");
++ if (IS_ERR(drvdata->sysc)) {
++ drvdata->sysc = syscon_regmap_lookup_by_compatible("mediatek,mt7621-sysc");
++ if (IS_ERR(drvdata->sysc))
++ return PTR_ERR(drvdata->sysc);
++ }
++
+ drvdata->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(drvdata->base))
+ return PTR_ERR(drvdata->base);
+@@ -158,7 +170,7 @@ static int mt7621_wdt_probe(struct platf
+ mt7621_wdt->max_timeout = 0xfffful / 1000;
+ mt7621_wdt->parent = dev;
+
+- mt7621_wdt->bootstatus = mt7621_wdt_bootcause();
++ mt7621_wdt->bootstatus = mt7621_wdt_bootcause(drvdata);
+
+ watchdog_init_timeout(mt7621_wdt, mt7621_wdt->max_timeout, dev);
+ watchdog_set_nowayout(mt7621_wdt, nowayout);
--- /dev/null
+From 9f9a035e6156a57d9da062b26d2a48d031744a1e Mon Sep 17 00:00:00 2001
+From: Shiji Yang <yangshiji66@outlook.com>
+Date: Tue, 20 Jun 2023 18:43:22 +0800
+Subject: [PATCH 1/2] mips: pci-mt7620: do not print NFTS register value as
+ error log
+
+These codes are used to read NFTS_TIMEOUT_DELAY register value and
+write it into kernel log after writing the register. they are only
+used for debugging during driver development, so there is no need
+to keep them now.
+
+Tested on MT7628AN router Motorola MWR03.
+
+Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
+Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/pci/pci-mt7620.c | 3 ---
+ 1 file changed, 3 deletions(-)
+
+--- a/arch/mips/pci/pci-mt7620.c
++++ b/arch/mips/pci/pci-mt7620.c
+@@ -274,9 +274,6 @@ static int mt7628_pci_hw_init(struct pla
+ val |= 0x50 << 8;
+ pci_config_write(NULL, 0, 0x70c, 4, val);
+
+- pci_config_read(NULL, 0, 0x70c, 4, &val);
+- dev_err(&pdev->dev, "Port 0 N_FTS = %x\n", (unsigned int) val);
+-
+ return 0;
+ }
+
--- /dev/null
+From 89ec9bbe60b61cc6ae3eddd6d4f43e128f8a88de Mon Sep 17 00:00:00 2001
+From: Shiji Yang <yangshiji66@outlook.com>
+Date: Tue, 20 Jun 2023 18:43:23 +0800
+Subject: [PATCH 2/2] mips: pci-mt7620: use dev_info() to log PCIe device
+ detection result
+
+Usually, We only need to print the error log when there is a PCIe card but
+initialization fails. Whether the driver finds the PCIe card or not is the
+expected behavior. So it's better to log these information with dev_info().
+
+Tested on MT7628AN router Motorola MWR03.
+
+Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
+Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/pci/pci-mt7620.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/arch/mips/pci/pci-mt7620.c
++++ b/arch/mips/pci/pci-mt7620.c
+@@ -331,7 +331,7 @@ static int mt7620_pci_probe(struct platf
+ rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1);
+ if (ralink_soc == MT762X_SOC_MT7620A)
+ rt_sysc_m32(LC_CKDRVPD, PDRV_SW_SET, PPLL_DRV);
+- dev_err(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n");
++ dev_info(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n");
+ return -1;
+ }
+
+@@ -374,7 +374,7 @@ int pcibios_map_irq(const struct pci_dev
+ dev->bus->number, slot);
+ return 0;
+ }
+- dev_err(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n",
++ dev_info(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n",
+ dev->bus->number, slot, irq);
+
+ /* configure the cache line size to 0x14 */
--- /dev/null
+From 50233e105a0332ec0f3bc83180c416e6b200471e Mon Sep 17 00:00:00 2001
+From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Date: Fri, 24 Mar 2023 08:37:33 +0100
+Subject: PCI: mt7621: Use dev_info() to log PCIe card detection
+
+When there is no card plugged on a PCIe port a log reporting that
+the port will be disabled is flagged as an error (dev_err()).
+
+Since this is not an error at all, change the log level by using
+dev_info() instead.
+
+Link: https://lore.kernel.org/r/20230324073733.1596231-1-sergio.paracuellos@gmail.com
+Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
+Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
+---
+ drivers/pci/controller/pcie-mt7621.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/drivers/pci/controller/pcie-mt7621.c
++++ b/drivers/pci/controller/pcie-mt7621.c
+@@ -378,8 +378,8 @@ static int mt7621_pcie_init_ports(struct
+ u32 slot = port->slot;
+
+ if (!mt7621_pcie_port_is_linkup(port)) {
+- dev_err(dev, "pcie%d no card, disable it (RST & CLK)\n",
+- slot);
++ dev_info(dev, "pcie%d no card, disable it (RST & CLK)\n",
++ slot);
+ mt7621_control_assert(port);
+ port->enabled = false;
+ num_disabled++;
--- /dev/null
+--- a/drivers/net/ethernet/Kconfig
++++ b/drivers/net/ethernet/Kconfig
+@@ -166,6 +166,7 @@ source "drivers/net/ethernet/pensando/Kc
+ source "drivers/net/ethernet/qlogic/Kconfig"
+ source "drivers/net/ethernet/brocade/Kconfig"
+ source "drivers/net/ethernet/qualcomm/Kconfig"
++source "drivers/net/ethernet/ralink/Kconfig"
+ source "drivers/net/ethernet/rdc/Kconfig"
+ source "drivers/net/ethernet/realtek/Kconfig"
+ source "drivers/net/ethernet/renesas/Kconfig"
+--- a/drivers/net/ethernet/Makefile
++++ b/drivers/net/ethernet/Makefile
+@@ -77,6 +77,7 @@ obj-$(CONFIG_NET_VENDOR_PACKET_ENGINES)
+ obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/
+ obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/
+ obj-$(CONFIG_NET_VENDOR_QUALCOMM) += qualcomm/
++obj-$(CONFIG_NET_VENDOR_RALINK) += ralink/
+ obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/
+ obj-$(CONFIG_NET_VENDOR_RENESAS) += renesas/
+ obj-$(CONFIG_NET_VENDOR_RDC) += rdc/
--- /dev/null
+--- a/arch/mips/include/asm/mach-ralink/mt7620.h
++++ b/arch/mips/include/asm/mach-ralink/mt7620.h
+@@ -61,4 +61,16 @@ static inline int mt7620_get_eco(void)
+ return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
+ }
+
++static inline int mt7620_get_chipver(void)
++{
++ return (rt_sysc_r32(SYSC_REG_CHIP_REV) >> CHIP_REV_VER_SHIFT) &
++ CHIP_REV_VER_MASK;
++}
++
++static inline int mt7620_get_pkg(void)
++{
++ return (rt_sysc_r32(SYSC_REG_CHIP_REV) >> CHIP_REV_PKG_SHIFT) &
++ CHIP_REV_PKG_MASK;
++}
++
+ #endif
--- /dev/null
+From ce3d4a4111a5f7e6b4e74bceae5faa6ce388e8ec Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 14 Jul 2013 23:08:11 +0200
+Subject: [PATCH 05/53] MIPS: use set_mode() to enable/disable the cevt-r4k
+ irq
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/ralink/Kconfig | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+--- a/arch/mips/ralink/Kconfig
++++ b/arch/mips/ralink/Kconfig
+@@ -1,12 +1,17 @@
+ # SPDX-License-Identifier: GPL-2.0
+ if RALINK
+
++config CEVT_SYSTICK_QUIRK
++ bool
++ default n
++
+ config CLKEVT_RT3352
+ bool
+ depends on SOC_RT305X || SOC_MT7620
+ default y
+ select TIMER_OF
+ select CLKSRC_MMIO
++ select CEVT_SYSTICK_QUIRK
+
+ config RALINK_ILL_ACC
+ bool
+--- a/arch/mips/kernel/cevt-r4k.c
++++ b/arch/mips/kernel/cevt-r4k.c
+@@ -16,6 +16,31 @@
+ #include <asm/time.h>
+ #include <asm/cevt-r4k.h>
+
++#ifdef CONFIG_CEVT_SYSTICK_QUIRK
++static int mips_state_oneshot(struct clock_event_device *evt)
++{
++ unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED;
++ if (!cp0_timer_irq_installed) {
++ cp0_timer_irq_installed = 1;
++ if (request_irq(evt->irq, c0_compare_interrupt, flags, "timer",
++ c0_compare_interrupt))
++ pr_err("Failed to request irq %d (timer)\n", evt->irq);
++ }
++
++ return 0;
++}
++
++static int mips_state_shutdown(struct clock_event_device *evt)
++{
++ if (cp0_timer_irq_installed) {
++ cp0_timer_irq_installed = 0;
++ free_irq(evt->irq, NULL);
++ }
++
++ return 0;
++}
++#endif
++
+ static int mips_next_event(unsigned long delta,
+ struct clock_event_device *evt)
+ {
+@@ -292,7 +317,9 @@ core_initcall(r4k_register_cpufreq_notif
+
+ int r4k_clockevent_init(void)
+ {
++#ifndef CONFIG_CEVT_SYSTICK_QUIRK
+ unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED;
++#endif
+ unsigned int cpu = smp_processor_id();
+ struct clock_event_device *cd;
+ unsigned int irq, min_delta;
+@@ -322,11 +349,16 @@ int r4k_clockevent_init(void)
+ cd->rating = 300;
+ cd->irq = irq;
+ cd->cpumask = cpumask_of(cpu);
++#ifdef CONFIG_CEVT_SYSTICK_QUIRK
++ cd->set_state_shutdown = mips_state_shutdown;
++ cd->set_state_oneshot = mips_state_oneshot;
++#endif
+ cd->set_next_event = mips_next_event;
+ cd->event_handler = mips_event_handler;
+
+ clockevents_config_and_register(cd, mips_hpt_frequency, min_delta, 0x7fffffff);
+
++#ifndef CONFIG_CEVT_SYSTICK_QUIRK
+ if (cp0_timer_irq_installed)
+ return 0;
+
+@@ -335,6 +367,7 @@ int r4k_clockevent_init(void)
+ if (request_irq(irq, c0_compare_interrupt, flags, "timer",
+ c0_compare_interrupt))
+ pr_err("Failed to request irq %d (timer)\n", irq);
++#endif
+
+ return 0;
+ }
--- /dev/null
+From bd30f19a006fb52bac80c6463c49dd2f4159f4ac Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 28 Jul 2013 16:26:41 +0200
+Subject: [PATCH 06/53] MIPS: ralink: add cpu frequency scaling
+
+This feature will break udelay() and cause the delay loop to have longer delays
+when the frequency is scaled causing a performance hit.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/ralink/cevt-rt3352.c | 38 ++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 38 insertions(+)
+
+--- a/arch/mips/ralink/cevt-rt3352.c
++++ b/arch/mips/ralink/cevt-rt3352.c
+@@ -29,6 +29,10 @@
+ /* enable the counter */
+ #define CFG_CNT_EN 0x1
+
++/* mt7620 frequency scaling defines */
++#define CLK_LUT_CFG 0x40
++#define SLEEP_EN BIT(31)
++
+ struct systick_device {
+ void __iomem *membase;
+ struct clock_event_device dev;
+@@ -36,21 +40,53 @@ struct systick_device {
+ int freq_scale;
+ };
+
++static void (*systick_freq_scaling)(struct systick_device *sdev, int status);
++
+ static int systick_set_oneshot(struct clock_event_device *evt);
+ static int systick_shutdown(struct clock_event_device *evt);
+
++static inline void mt7620_freq_scaling(struct systick_device *sdev, int status)
++{
++ if (sdev->freq_scale == status)
++ return;
++
++ sdev->freq_scale = status;
++
++ pr_info("%s: %s autosleep mode\n", sdev->dev.name,
++ (status) ? ("enable") : ("disable"));
++ if (status)
++ rt_sysc_w32(rt_sysc_r32(CLK_LUT_CFG) | SLEEP_EN, CLK_LUT_CFG);
++ else
++ rt_sysc_w32(rt_sysc_r32(CLK_LUT_CFG) & ~SLEEP_EN, CLK_LUT_CFG);
++}
++
++static inline unsigned int read_count(struct systick_device *sdev)
++{
++ return ioread32(sdev->membase + SYSTICK_COUNT);
++}
++
++static inline unsigned int read_compare(struct systick_device *sdev)
++{
++ return ioread32(sdev->membase + SYSTICK_COMPARE);
++}
++
++static inline void write_compare(struct systick_device *sdev, unsigned int val)
++{
++ iowrite32(val, sdev->membase + SYSTICK_COMPARE);
++}
++
+ static int systick_next_event(unsigned long delta,
+ struct clock_event_device *evt)
+ {
+ struct systick_device *sdev;
+- u32 count;
++ int res;
+
+ sdev = container_of(evt, struct systick_device, dev);
+- count = ioread32(sdev->membase + SYSTICK_COUNT);
+- count = (count + delta) % SYSTICK_FREQ;
+- iowrite32(count, sdev->membase + SYSTICK_COMPARE);
++ delta += read_count(sdev);
++ write_compare(sdev, delta);
++ res = ((int)(read_count(sdev) - delta) >= 0) ? -ETIME : 0;
+
+- return 0;
++ return res;
+ }
+
+ static void systick_event_handler(struct clock_event_device *dev)
+@@ -60,20 +96,25 @@ static void systick_event_handler(struct
+
+ static irqreturn_t systick_interrupt(int irq, void *dev_id)
+ {
+- struct clock_event_device *dev = (struct clock_event_device *) dev_id;
++ int ret = 0;
++ struct clock_event_device *cdev;
++ struct systick_device *sdev;
+
+- dev->event_handler(dev);
++ if (read_c0_cause() & STATUSF_IP7) {
++ cdev = (struct clock_event_device *) dev_id;
++ sdev = container_of(cdev, struct systick_device, dev);
++
++ /* Clear Count/Compare Interrupt */
++ write_compare(sdev, read_compare(sdev));
++ cdev->event_handler(cdev);
++ ret = 1;
++ }
+
+- return IRQ_HANDLED;
++ return IRQ_RETVAL(ret);
+ }
+
+ static struct systick_device systick = {
+ .dev = {
+- /*
+- * cevt-r4k uses 300, make sure systick
+- * gets used if available
+- */
+- .rating = 310,
+ .features = CLOCK_EVT_FEAT_ONESHOT,
+ .set_next_event = systick_next_event,
+ .set_state_shutdown = systick_shutdown,
+@@ -91,7 +132,13 @@ static int systick_shutdown(struct clock
+ if (sdev->irq_requested)
+ free_irq(systick.dev.irq, &systick.dev);
+ sdev->irq_requested = 0;
+- iowrite32(0, systick.membase + SYSTICK_CONFIG);
++ iowrite32(CFG_CNT_EN, systick.membase + SYSTICK_CONFIG);
++
++ if (systick_freq_scaling)
++ systick_freq_scaling(sdev, 0);
++
++ if (systick_freq_scaling)
++ systick_freq_scaling(sdev, 1);
+
+ return 0;
+ }
+@@ -116,33 +163,46 @@ static int systick_set_oneshot(struct cl
+ return 0;
+ }
+
++static const struct of_device_id systick_match[] = {
++ { .compatible = "ralink,mt7620a-systick", .data = mt7620_freq_scaling},
++ {},
++};
++
+ static int __init ralink_systick_init(struct device_node *np)
+ {
+- int ret;
++ const struct of_device_id *match;
++ int rating = 200;
+
+ systick.membase = of_iomap(np, 0);
+ if (!systick.membase)
+ return -ENXIO;
+
+- systick.dev.name = np->name;
+- clockevents_calc_mult_shift(&systick.dev, SYSTICK_FREQ, 60);
+- systick.dev.max_delta_ns = clockevent_delta2ns(0x7fff, &systick.dev);
+- systick.dev.max_delta_ticks = 0x7fff;
+- systick.dev.min_delta_ns = clockevent_delta2ns(0x3, &systick.dev);
+- systick.dev.min_delta_ticks = 0x3;
++ match = of_match_node(systick_match, np);
++ if (match) {
++ systick_freq_scaling = match->data;
++ /*
++ * cevt-r4k uses 300, make sure systick
++ * gets used if available
++ */
++ rating = 310;
++ }
++
++ /* enable counter than register clock source */
++ iowrite32(CFG_CNT_EN, systick.membase + SYSTICK_CONFIG);
++ clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name,
++ SYSTICK_FREQ, rating, 16, clocksource_mmio_readl_up);
++
++ /* register clock event */
+ systick.dev.irq = irq_of_parse_and_map(np, 0);
+ if (!systick.dev.irq) {
+ pr_err("%pOFn: request_irq failed", np);
+ return -EINVAL;
+ }
+
+- ret = clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name,
+- SYSTICK_FREQ, 301, 16,
+- clocksource_mmio_readl_up);
+- if (ret)
+- return ret;
+-
+- clockevents_register_device(&systick.dev);
++ systick.dev.name = np->name;
++ systick.dev.rating = rating;
++ systick.dev.cpumask = cpumask_of(0);
++ clockevents_config_and_register(&systick.dev, SYSTICK_FREQ, 0x3, 0x7fff);
+
+ pr_info("%pOFn: running - mult: %d, shift: %d\n",
+ np, systick.dev.mult, systick.dev.shift);
--- /dev/null
+From f15d27f9c90ede4b16eb37f9ae573ef81c2b6996 Mon Sep 17 00:00:00 2001
+From: David Bauer <mail@david-bauer.net>
+Date: Thu, 31 Dec 2020 18:49:12 +0100
+Subject: [PATCH] MIPS: add bootargs-override property
+
+Add support for the bootargs-override property to the chosen node
+similar to the one used on ipq806x or mpc85xx.
+
+This is necessary, as the U-Boot used on some boards, notably the
+Ubiquiti UniFi 6 Lite, overwrite the bootargs property of the chosen
+node leading to a kernel panic when loading OpenWrt.
+
+Signed-off-by: David Bauer <mail@david-bauer.net>
+---
+ arch/mips/kernel/setup.c | 30 ++++++++++++++++++++++++++++++
+ 1 file changed, 30 insertions(+)
+
+--- a/arch/mips/kernel/setup.c
++++ b/arch/mips/kernel/setup.c
+@@ -557,8 +557,28 @@ static int __init bootcmdline_scan_chose
+
+ #endif /* CONFIG_OF_EARLY_FLATTREE */
+
++static int __init bootcmdline_scan_chosen_override(unsigned long node, const char *uname,
++ int depth, void *data)
++{
++ bool *dt_bootargs = data;
++ const char *p;
++ int l;
++
++ if (depth != 1 || !data || strcmp(uname, "chosen") != 0)
++ return 0;
++
++ p = of_get_flat_dt_prop(node, "bootargs-override", &l);
++ if (p != NULL && l > 0) {
++ strlcpy(boot_command_line, p, COMMAND_LINE_SIZE);
++ *dt_bootargs = true;
++ }
++
++ return 1;
++}
++
+ static void __init bootcmdline_init(void)
+ {
++ bool dt_bootargs_override = false;
+ bool dt_bootargs = false;
+
+ /*
+@@ -572,6 +592,14 @@ static void __init bootcmdline_init(void
+ }
+
+ /*
++ * If bootargs-override in the chosen node is set, use this as the
++ * command line
++ */
++ of_scan_flat_dt(bootcmdline_scan_chosen_override, &dt_bootargs_override);
++ if (dt_bootargs_override)
++ return;
++
++ /*
+ * If the user specified a built-in command line &
+ * MIPS_CMDLINE_BUILTIN_EXTEND, then the built-in command line is
+ * prepended to arguments from the bootloader or DT so we'll copy them
--- /dev/null
+From 5ede027f6c4a57ed25da872420508b7f1168b36b Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 7 Dec 2015 17:15:32 +0100
+Subject: [PATCH 13/53] owrt: hack: fix mt7688 cache issue
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/kernel/setup.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/arch/mips/kernel/setup.c
++++ b/arch/mips/kernel/setup.c
+@@ -699,7 +699,6 @@ static void __init arch_mem_init(char **
+ mips_reserve_vmcore();
+
+ mips_parse_crashkernel();
+- device_tree_init();
+
+ /*
+ * In order to reduce the possibility of kernel panic when failed to
+@@ -834,6 +833,7 @@ void __init setup_arch(char **cmdline_p)
+
+ cpu_cache_init();
+ paging_init();
++ device_tree_init();
+
+ memblock_dump_all();
+
--- /dev/null
+From 9e6ce539092a1dd605a20bf73c655a9de58d8641 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 7 Dec 2015 17:18:05 +0100
+Subject: [PATCH 15/53] arch: mips: do not select illegal access driver by
+ default
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/ralink/Kconfig | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/arch/mips/ralink/Kconfig
++++ b/arch/mips/ralink/Kconfig
+@@ -14,9 +14,9 @@ config CLKEVT_RT3352
+ select CEVT_SYSTICK_QUIRK
+
+ config RALINK_ILL_ACC
+- bool
++ bool "illegal access irq"
+ depends on SOC_RT305X
+- default y
++ default n
+
+ config IRQ_INTC
+ bool
--- /dev/null
+From 6decd1aad15f56b169217789630a0098b496de0e Mon Sep 17 00:00:00 2001
+From: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
+Date: Wed, 7 Apr 2021 13:07:38 -0700
+Subject: [PATCH] MIPS: add support for buggy MT7621S core detection
+
+Most MT7621 SoCs have 2 cores, which is detected and supported properly
+by CPS.
+
+Unfortunately, MT7621 SoC has a less common S variant with only one core.
+On MT7621S, GCR_CONFIG still reports 2 cores, which leads to hangs when
+starting SMP. CPULAUNCH registers can be used in that case to detect the
+absence of the second core and override the GCR_CONFIG PCORES field.
+
+Rework a long-standing OpenWrt patch to override the value of
+mips_cps_numcores on single-core MT7621 systems.
+
+Tested on a dual-core MT7621 device (Ubiquiti ER-X) and a single-core
+MT7621 device (Netgear R6220).
+
+Original 4.14 OpenWrt patch:
+Link: https://git.openwrt.org/?p=openwrt/openwrt.git;a=commitdiff;h=4cdbc90a376dd0555201c1434a2081e055e9ceb7
+Current 5.10 OpenWrt patch:
+Link: https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=target/linux/ramips/patches-5.10/320-mt7621-core-detect-hack.patch;h=c63f0f4c1ec742e24d8480e80553863744b58f6a;hb=10267e17299806f9885d086147878f6c492cb904
+
+Suggested-by: Felix Fietkau <nbd@nbd.name>
+Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
+Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
+---
+ arch/mips/include/asm/mips-cps.h | 23 ++++++++++++++++++++++-
+ 1 file changed, 22 insertions(+), 1 deletion(-)
+
+--- a/arch/mips/include/asm/mips-cps.h
++++ b/arch/mips/include/asm/mips-cps.h
+@@ -11,6 +11,8 @@
+ #include <linux/io.h>
+ #include <linux/types.h>
+
++#include <asm/mips-boards/launch.h>
++
+ extern unsigned long __cps_access_bad_size(void)
+ __compiletime_error("Bad size for CPS accessor");
+
+@@ -162,12 +164,31 @@ static inline uint64_t mips_cps_cluster_
+ */
+ static inline unsigned int mips_cps_numcores(unsigned int cluster)
+ {
++ unsigned int ncores;
++
+ if (!mips_cm_present())
+ return 0;
+
+ /* Add one before masking to handle 0xff indicating no cores */
+- return FIELD_GET(CM_GCR_CONFIG_PCORES,
++ ncores = FIELD_GET(CM_GCR_CONFIG_PCORES,
+ mips_cps_cluster_config(cluster) + 1);
++
++ if (IS_ENABLED(CONFIG_SOC_MT7621)) {
++ struct cpulaunch *launch;
++
++ /*
++ * Ralink MT7621S SoC is single core, but the GCR_CONFIG method
++ * always reports 2 cores. Check the second core's LAUNCH_FREADY
++ * flag to detect if the second core is missing. This method
++ * only works before the core has been started.
++ */
++ launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH);
++ launch += 2; /* MT7621 has 2 VPEs per core */
++ if (!(launch->flags & LAUNCH_FREADY))
++ ncores = 1;
++ }
++
++ return ncores;
+ }
+
+ /**
--- /dev/null
+--- a/arch/mips/ralink/irq-gic.c
++++ b/arch/mips/ralink/irq-gic.c
+@@ -13,6 +13,12 @@
+
+ int get_c0_perfcount_int(void)
+ {
++ /*
++ * Performance counter events are routed through GIC.
++ * Prevent them from firing on CPU IRQ7 as well
++ */
++ clear_c0_status(IE_SW0 << 7);
++
+ return gic_get_c0_perfcount_int();
+ }
+ EXPORT_SYMBOL_GPL(get_c0_perfcount_int);
--- /dev/null
+From ee9081b2726a5ca8cde5497afdc5425e21ff8f8b Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 15 Jul 2013 00:39:21 +0200
+Subject: [PATCH 37/53] mtd: cfi cmdset 0002 force word write
+
+---
+ drivers/mtd/chips/cfi_cmdset_0002.c | 9 +++++++--
+ 1 file changed, 7 insertions(+), 2 deletions(-)
+
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -40,7 +40,7 @@
+ #include <linux/mtd/xip.h>
+
+ #define AMD_BOOTLOC_BUG
+-#define FORCE_WORD_WRITE 0
++#define FORCE_WORD_WRITE 1
+
+ #define MAX_RETRIES 3
+
--- /dev/null
+From 52d14545d2fc276b1bf9ccf48d4612fab6edfb6a Mon Sep 17 00:00:00 2001
+From: David Bauer <mail@david-bauer.net>
+Date: Thu, 6 May 2021 17:49:55 +0200
+Subject: [PATCH] mtd: spi-nor: Add support for BoHong bh25q128as
+
+Add MTD support for the BoHong bh25q128as SPI NOR chip.
+The chip has 16MB of total capacity, divided into a total of 256
+sectors, each 64KB sized. The chip also supports 4KB sectors.
+Additionally, it supports dual and quad read modes.
+
+Functionality was verified on an Tenbay WR1800K / MTK MT7621 board.
+
+Signed-off-by: David Bauer <mail@david-bauer.net>
+---
+ drivers/mtd/spi-nor/Makefile | 1 +
+ drivers/mtd/spi-nor/bohong.c | 21 +++++++++++++++++++++
+ drivers/mtd/spi-nor/core.c | 1 +
+ drivers/mtd/spi-nor/core.h | 1 +
+ 4 files changed, 24 insertions(+)
+ create mode 100644 drivers/mtd/spi-nor/bohong.c
+
+--- a/drivers/mtd/spi-nor/Makefile
++++ b/drivers/mtd/spi-nor/Makefile
+@@ -2,6 +2,7 @@
+
+ spi-nor-objs := core.o sfdp.o swp.o otp.o sysfs.o
+ spi-nor-objs += atmel.o
++spi-nor-objs += bohong.o
+ spi-nor-objs += catalyst.o
+ spi-nor-objs += eon.o
+ spi-nor-objs += esmt.o
+--- /dev/null
++++ b/drivers/mtd/spi-nor/bohong.c
+@@ -0,0 +1,21 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * Copyright (C) 2005, Intec Automation Inc.
++ * Copyright (C) 2014, Freescale Semiconductor, Inc.
++ */
++
++#include <linux/mtd/spi-nor.h>
++
++#include "core.h"
++
++static const struct flash_info bohong_parts[] = {
++ /* BoHong Microelectronics */
++ { "bh25q128as", INFO(0x684018, 0, 64 * 1024, 256)
++ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
++};
++
++const struct spi_nor_manufacturer spi_nor_bohong = {
++ .name = "bohong",
++ .parts = bohong_parts,
++ .nparts = ARRAY_SIZE(bohong_parts),
++};
+--- a/drivers/mtd/spi-nor/core.c
++++ b/drivers/mtd/spi-nor/core.c
+@@ -1620,6 +1620,7 @@ int spi_nor_sr2_bit7_quad_enable(struct
+
+ static const struct spi_nor_manufacturer *manufacturers[] = {
+ &spi_nor_atmel,
++ &spi_nor_bohong,
+ &spi_nor_catalyst,
+ &spi_nor_eon,
+ &spi_nor_esmt,
+--- a/drivers/mtd/spi-nor/core.h
++++ b/drivers/mtd/spi-nor/core.h
+@@ -617,6 +617,7 @@ struct sfdp {
+
+ /* Manufacturer drivers. */
+ extern const struct spi_nor_manufacturer spi_nor_atmel;
++extern const struct spi_nor_manufacturer spi_nor_bohong;
+ extern const struct spi_nor_manufacturer spi_nor_catalyst;
+ extern const struct spi_nor_manufacturer spi_nor_eon;
+ extern const struct spi_nor_manufacturer spi_nor_esmt;
--- /dev/null
+From e84e2430ee0e483842b4ff013ae8a6e7e2fa2734 Mon Sep 17 00:00:00 2001
+From: Weijie Gao <weijie.gao@mediatek.com>
+Date: Wed, 1 Apr 2020 02:07:58 +0800
+Subject: [PATCH 1/2] mtd: rawnand: add driver support for MT7621 nand
+ flash controller
+
+This patch adds NAND flash controller driver for MediaTek MT7621 SoC.
+
+The NAND flash controller is similar with controllers described in
+mtk_nand.c, except that the controller from MT7621 doesn't support DMA
+transmission, and some registers' offset and fields are different.
+
+Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
+---
+ drivers/mtd/nand/raw/Kconfig | 8 +
+ drivers/mtd/nand/raw/Makefile | 1 +
+ drivers/mtd/nand/raw/mt7621_nand.c | 1348 ++++++++++++++++++++++++++++++++++++
+ 3 files changed, 1357 insertions(+)
+ create mode 100644 drivers/mtd/nand/raw/mt7621_nand.c
+
+--- a/drivers/mtd/nand/raw/Kconfig
++++ b/drivers/mtd/nand/raw/Kconfig
+@@ -352,6 +352,14 @@ config MTD_NAND_QCOM
+ Enables support for NAND flash chips on SoCs containing the EBI2 NAND
+ controller. This controller is found on IPQ806x SoC.
+
++config MTD_NAND_MT7621
++ tristate "MT7621 NAND controller"
++ depends on SOC_MT7621 || COMPILE_TEST
++ depends on HAS_IOMEM
++ help
++ Enables support for NAND controller on MT7621 SoC.
++ This driver uses PIO mode for data transmission instead of DMA mode.
++
+ config MTD_NAND_MTK
+ tristate "MTK NAND controller"
+ depends on MTD_NAND_ECC_MEDIATEK
+--- a/drivers/mtd/nand/raw/Makefile
++++ b/drivers/mtd/nand/raw/Makefile
+@@ -48,6 +48,7 @@ obj-$(CONFIG_MTD_NAND_SUNXI) += sunxi_n
+ obj-$(CONFIG_MTD_NAND_HISI504) += hisi504_nand.o
+ obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmnand/
+ obj-$(CONFIG_MTD_NAND_QCOM) += qcom_nandc.o
++obj-$(CONFIG_MTD_NAND_MT7621) += mt7621_nand.o
+ obj-$(CONFIG_MTD_NAND_MTK) += mtk_nand.o
+ obj-$(CONFIG_MTD_NAND_MXIC) += mxic_nand.o
+ obj-$(CONFIG_MTD_NAND_TEGRA) += tegra_nand.o
--- /dev/null
+From 3d5f4da8296b23eb3abf8b13122b0d06a215e79c Mon Sep 17 00:00:00 2001
+From: Weijie Gao <weijie.gao@mediatek.com>
+Date: Wed, 1 Apr 2020 02:07:59 +0800
+Subject: [PATCH 2/2] dt-bindings: add documentation for mt7621-nand driver
+
+This patch adds documentation for MediaTek MT7621 NAND flash controller
+driver.
+
+Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
+---
+ .../bindings/mtd/mediatek,mt7621-nfc.yaml | 68 ++++++++++++++++++++++
+ 1 file changed, 68 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/mtd/mediatek,mt7621-nfc.yaml
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/mtd/mediatek,mt7621-nfc.yaml
+@@ -0,0 +1,68 @@
++# SPDX-License-Identifier: GPL-2.0
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/mtd/mediatek,mt7621-nfc.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: MediaTek MT7621 SoC NAND Flash Controller (NFC) DT binding
++
++maintainers:
++ - Weijie Gao <weijie.gao@mediatek.com>
++
++description: |
++ This driver uses a single node to describe both NAND Flash controller
++ interface (NFI) and ECC engine for MT7621 SoC.
++ MT7621 supports only one chip select.
++
++properties:
++ "#address-cells": false
++ "#size-cells": false
++
++ compatible:
++ enum:
++ - mediatek,mt7621-nfc
++
++ reg:
++ items:
++ - description: Register base of NFI core
++ - description: Register base of ECC engine
++
++ reg-names:
++ items:
++ - const: nfi
++ - const: ecc
++
++ clocks:
++ items:
++ - description: Source clock for NFI core, fixed 125MHz
++
++ clock-names:
++ items:
++ - const: nfi_clk
++
++required:
++ - compatible
++ - reg
++ - reg-names
++ - clocks
++ - clock-names
++
++examples:
++ - |
++ nficlock: nficlock {
++ #clock-cells = <0>;
++ compatible = "fixed-clock";
++
++ clock-frequency = <125000000>;
++ };
++
++ nand@1e003000 {
++ compatible = "mediatek,mt7621-nfc";
++
++ reg = <0x1e003000 0x800
++ 0x1e003800 0x800>;
++ reg-names = "nfi", "ecc";
++
++ clocks = <&nficlock>;
++ clock-names = "nfi_clk";
++ };
--- /dev/null
+From bd0f89de5476ca25e73fae829ba3e1dafae1d90d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Ren=C3=A9=20van=20Dorst?= <opensource@vdorst.com>
+Date: Fri, 21 Jun 2019 10:04:05 +0200
+Subject: [PATCH] net: ethernet: mediatek: support net-labels
+
+With this patch, device name can be set within dts file in the same way as dsa
+port can.
+Add: label = "wan"; to GMAC node.
+
+Signed-off-by: René van Dorst <opensource@vdorst.com>
+---
+ drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+@@ -4643,6 +4643,7 @@ static const struct net_device_ops mtk_n
+
+ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
+ {
++ const char *name = of_get_property(np, "label", NULL);
+ const __be32 *_id = of_get_property(np, "reg", NULL);
+ struct device_node *pcs_np;
+ phy_interface_t phy_mode;
+@@ -4840,6 +4841,9 @@ static int mtk_add_mac(struct mtk_eth *e
+ register_netdevice_notifier(&mac->device_notifier);
+ }
+
++ if (name)
++ strlcpy(eth->netdev[id]->name, name, IFNAMSIZ);
++
+ return 0;
+
+ free_netdev:
--- /dev/null
+From ffbb1b37a3e1ce1a5c574a6bd4f5aede8bc468ac Mon Sep 17 00:00:00 2001
+From: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
+Date: Sat, 27 Feb 2021 20:20:07 -0800
+Subject: [PATCH] Revert "net: phy: simplify phy_link_change arguments"
+
+This reverts commit a307593a644443db12888f45eed0dafb5869e2cc.
+
+This brings back the do_carrier flags used by the (hacky) next patch,
+still required by target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c
+---
+ drivers/net/phy/phy.c | 12 ++++++------
+ drivers/net/phy/phy_device.c | 12 +++++++-----
+ drivers/net/phy/phylink.c | 3 ++-
+ include/linux/phy.h | 2 +-
+ 4 files changed, 16 insertions(+), 13 deletions(-)
+
+--- a/drivers/net/phy/phy.c
++++ b/drivers/net/phy/phy.c
+@@ -71,13 +71,13 @@ static void phy_process_state_change(str
+
+ static void phy_link_up(struct phy_device *phydev)
+ {
+- phydev->phy_link_change(phydev, true);
++ phydev->phy_link_change(phydev, true, true);
+ phy_led_trigger_change_speed(phydev);
+ }
+
+-static void phy_link_down(struct phy_device *phydev)
++static void phy_link_down(struct phy_device *phydev, bool do_carrier)
+ {
+- phydev->phy_link_change(phydev, false);
++ phydev->phy_link_change(phydev, false, do_carrier);
+ phy_led_trigger_change_speed(phydev);
+ }
+
+@@ -595,7 +595,7 @@ int phy_start_cable_test(struct phy_devi
+ goto out;
+
+ /* Mark the carrier down until the test is complete */
+- phy_link_down(phydev);
++ phy_link_down(phydev, true);
+
+ netif_testing_on(dev);
+ err = phydev->drv->cable_test_start(phydev);
+@@ -666,7 +666,7 @@ int phy_start_cable_test_tdr(struct phy_
+ goto out;
+
+ /* Mark the carrier down until the test is complete */
+- phy_link_down(phydev);
++ phy_link_down(phydev, true);
+
+ netif_testing_on(dev);
+ err = phydev->drv->cable_test_tdr_start(phydev, config);
+@@ -738,7 +738,7 @@ static int phy_check_link_status(struct
+ phy_link_up(phydev);
+ } else if (!phydev->link && phydev->state != PHY_NOLINK) {
+ phydev->state = PHY_NOLINK;
+- phy_link_down(phydev);
++ phy_link_down(phydev, true);
+ }
+
+ return 0;
+@@ -1224,7 +1224,7 @@ void phy_state_machine(struct work_struc
+ case PHY_HALTED:
+ if (phydev->link) {
+ phydev->link = 0;
+- phy_link_down(phydev);
++ phy_link_down(phydev, true);
+ }
+ do_suspend = true;
+ break;
+--- a/drivers/net/phy/phy_device.c
++++ b/drivers/net/phy/phy_device.c
+@@ -1037,14 +1037,16 @@ struct phy_device *phy_find_first(struct
+ }
+ EXPORT_SYMBOL(phy_find_first);
+
+-static void phy_link_change(struct phy_device *phydev, bool up)
++static void phy_link_change(struct phy_device *phydev, bool up, bool do_carrier)
+ {
+ struct net_device *netdev = phydev->attached_dev;
+
+- if (up)
+- netif_carrier_on(netdev);
+- else
+- netif_carrier_off(netdev);
++ if (do_carrier) {
++ if (up)
++ netif_carrier_on(netdev);
++ else
++ netif_carrier_off(netdev);
++ }
+ phydev->adjust_link(netdev);
+ if (phydev->mii_ts && phydev->mii_ts->link_state)
+ phydev->mii_ts->link_state(phydev->mii_ts, phydev);
+--- a/drivers/net/phy/phylink.c
++++ b/drivers/net/phy/phylink.c
+@@ -1687,7 +1687,8 @@ bool phylink_expects_phy(struct phylink
+ }
+ EXPORT_SYMBOL_GPL(phylink_expects_phy);
+
+-static void phylink_phy_change(struct phy_device *phydev, bool up)
++static void phylink_phy_change(struct phy_device *phydev, bool up,
++ bool do_carrier)
+ {
+ struct phylink *pl = phydev->phylink;
+ bool tx_pause, rx_pause;
+--- a/include/linux/phy.h
++++ b/include/linux/phy.h
+@@ -739,7 +739,7 @@ struct phy_device {
+
+ int pma_extable;
+
+- void (*phy_link_change)(struct phy_device *phydev, bool up);
++ void (*phy_link_change)(struct phy_device *, bool up, bool do_carrier);
+ void (*adjust_link)(struct net_device *dev);
+
+ #if IS_ENABLED(CONFIG_MACSEC)
--- /dev/null
+From 0b6eb1e68290243d439ee330ea8d0b239a5aec69 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 27 Jul 2014 09:38:50 +0100
+Subject: [PATCH 34/53] NET: multi phy support
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/net/phy/phy.c | 9 ++++++---
+ include/linux/phy.h | 1 +
+ 2 files changed, 7 insertions(+), 3 deletions(-)
+
+--- a/drivers/net/phy/phy.c
++++ b/drivers/net/phy/phy.c
+@@ -738,7 +738,10 @@ static int phy_check_link_status(struct
+ phy_link_up(phydev);
+ } else if (!phydev->link && phydev->state != PHY_NOLINK) {
+ phydev->state = PHY_NOLINK;
+- phy_link_down(phydev, true);
++ if (!phydev->no_auto_carrier_off)
++ phy_link_down(phydev, true);
++ else
++ phy_link_down(phydev, false);
+ }
+
+ return 0;
+@@ -1224,7 +1227,10 @@ void phy_state_machine(struct work_struc
+ case PHY_HALTED:
+ if (phydev->link) {
+ phydev->link = 0;
+- phy_link_down(phydev, true);
++ if (!phydev->no_auto_carrier_off)
++ phy_link_down(phydev, true);
++ else
++ phy_link_down(phydev, false);
+ }
+ do_suspend = true;
+ break;
+--- a/include/linux/phy.h
++++ b/include/linux/phy.h
+@@ -647,6 +647,7 @@ struct phy_device {
+ unsigned downshifted_rate:1;
+ unsigned is_on_sfp_module:1;
+ unsigned mac_managed_pm:1;
++ unsigned no_auto_carrier_off:1;
+
+ unsigned autoneg:1;
+ /* The most recently read link state */
--- /dev/null
+From d94fc5ce1dc395747c3934ecffcdec0396583755 Mon Sep 17 00:00:00 2001
+From: Nick Hainke <vincent@systemli.org>
+Date: Fri, 26 May 2023 19:46:33 +0200
+Subject: [PATCH] dmaengine: mediatek: add HSDMA support for mt7621
+
+Commit 87dd67f496f7 ("staging: mt7621-dma: remove driver from tree")
+removed the mt7621-dma driver. Move the driver from staging to the
+folder "drivers/dma/mediatek" containing already other mediatek dma
+driver implementations and maintain it downstream in OpenWrt.
+
+This patch will not be sent to upstream linux. It is just a workaround.
+
+Signed-off-by: Nick Hainke <vincent@systemli.org>
+---
+ drivers/dma/mediatek/Kconfig | 6 ++++++
+ drivers/dma/mediatek/Makefile | 1 +
+ 2 files changed, 7 insertions(+)
+
+--- a/drivers/dma/mediatek/Kconfig
++++ b/drivers/dma/mediatek/Kconfig
+@@ -36,3 +36,9 @@ config MTK_UART_APDMA
+ When SERIAL_8250_MT6577 is enabled, and if you want to use DMA,
+ you can enable the config. The DMA engine can only be used
+ with MediaTek SoCs.
++
++config MTK_HSDMA
++ tristate "MTK HSDMA support"
++ depends on RALINK && SOC_MT7621
++ select DMA_ENGINE
++ select DMA_VIRTUAL_CHANNELS
+--- a/drivers/dma/mediatek/Makefile
++++ b/drivers/dma/mediatek/Makefile
+@@ -2,3 +2,4 @@
+ obj-$(CONFIG_MTK_UART_APDMA) += mtk-uart-apdma.o
+ obj-$(CONFIG_MTK_HSDMA) += mtk-hsdma.o
+ obj-$(CONFIG_MTK_CQDMA) += mtk-cqdma.o
++obj-$(CONFIG_MTK_HSDMA) += hsdma-mt7621.o
--- /dev/null
+From d410e5478c622c01fcf31427533df5f433df9146 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 28 Jul 2013 19:45:30 +0200
+Subject: [PATCH 26/53] DT: Add documentation for gpio-ralink
+
+Describe gpio-ralink binding.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+Cc: linux-mips@linux-mips.org
+Cc: devicetree@vger.kernel.org
+Cc: linux-gpio@vger.kernel.org
+---
+ .../devicetree/bindings/gpio/gpio-ralink.txt | 40 ++++++++++++++++++++
+ 1 file changed, 40 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/gpio/gpio-ralink.txt
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
+@@ -0,0 +1,40 @@
++Ralink SoC GPIO controller bindings
++
++Required properties:
++- compatible:
++ - "ralink,rt2880-gpio" for Ralink controllers
++- #gpio-cells : Should be two.
++ - first cell is the pin number
++ - second cell is used to specify optional parameters (unused)
++- gpio-controller : Marks the device node as a GPIO controller
++- reg : Physical base address and length of the controller's registers
++- interrupt-parent: phandle to the INTC device node
++- interrupts : Specify the INTC interrupt number
++- ngpios : Specify the number of GPIOs
++- ralink,register-map : The register layout depends on the GPIO bank and actual
++ SoC type. Register offsets need to be in this order.
++ [ INT, EDGE, RENA, FENA, DATA, DIR, POL, SET, RESET, TOGGLE ]
++
++Optional properties:
++- ralink,gpio-base : Specify the GPIO chips base number
++
++Example:
++
++ gpio0: gpio@600 {
++ compatible = "ralink,rt5350-gpio", "ralink,rt2880-gpio";
++
++ #gpio-cells = <2>;
++ gpio-controller;
++
++ reg = <0x600 0x34>;
++
++ interrupt-parent = <&intc>;
++ interrupts = <6>;
++
++ ngpios = <24>;
++ ralink,gpio-base = <0>;
++ ralink,register-map = [ 00 04 08 0c
++ 20 24 28 2c
++ 30 34 ];
++
++ };
--- /dev/null
+From 69fdd2c4f937796b934e89c33acde9d082e27bfd Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 4 Aug 2014 20:36:29 +0200
+Subject: [PATCH 27/53] GPIO: MIPS: ralink: add gpio driver for ralink SoC
+
+Add gpio driver for Ralink SoC. This driver makes the gpio core on
+RT2880, RT305x, rt3352, rt3662, rt3883, rt5350 and mt7620 work.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+Cc: linux-mips@linux-mips.org
+Cc: linux-gpio@vger.kernel.org
+---
+ arch/mips/include/asm/mach-ralink/gpio.h | 24 ++
+ drivers/gpio/Kconfig | 6 +
+ drivers/gpio/Makefile | 1 +
+ drivers/gpio/gpio-ralink.c | 355 ++++++++++++++++++++++++++++++
+ 4 files changed, 386 insertions(+)
+ create mode 100644 arch/mips/include/asm/mach-ralink/gpio.h
+ create mode 100644 drivers/gpio/gpio-ralink.c
+
+--- /dev/null
++++ b/arch/mips/include/asm/mach-ralink/gpio.h
+@@ -0,0 +1,24 @@
++/*
++ * Ralink SoC GPIO API support
++ *
++ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ *
++ */
++
++#ifndef __ASM_MACH_RALINK_GPIO_H
++#define __ASM_MACH_RALINK_GPIO_H
++
++#define ARCH_NR_GPIOS 128
++#include <asm-generic/gpio.h>
++
++#define gpio_get_value __gpio_get_value
++#define gpio_set_value __gpio_set_value
++#define gpio_cansleep __gpio_cansleep
++#define gpio_to_irq __gpio_to_irq
++
++#endif /* __ASM_MACH_RALINK_GPIO_H */
+--- a/drivers/gpio/Kconfig
++++ b/drivers/gpio/Kconfig
+@@ -585,6 +585,12 @@ config GPIO_SNPS_CREG
+ where only several fields in register belong to GPIO lines and
+ each GPIO line owns a field with different length and on/off value.
+
++config GPIO_RALINK
++ bool "Ralink GPIO Support"
++ depends on RALINK
++ help
++ Say yes here to support the Ralink SoC GPIO device
++
+ config GPIO_SPEAR_SPICS
+ bool "ST SPEAr13xx SPI Chip Select as GPIO support"
+ depends on PLAT_SPEAR
+--- a/drivers/gpio/Makefile
++++ b/drivers/gpio/Makefile
+@@ -122,6 +122,7 @@ obj-$(CONFIG_GPIO_PISOSR) += gpio-pisos
+ obj-$(CONFIG_GPIO_PL061) += gpio-pl061.o
+ obj-$(CONFIG_GPIO_PMIC_EIC_SPRD) += gpio-pmic-eic-sprd.o
+ obj-$(CONFIG_GPIO_PXA) += gpio-pxa.o
++obj-$(CONFIG_GPIO_RALINK) += gpio-ralink.o
+ obj-$(CONFIG_GPIO_RASPBERRYPI_EXP) += gpio-raspberrypi-exp.o
+ obj-$(CONFIG_GPIO_RC5T583) += gpio-rc5t583.o
+ obj-$(CONFIG_GPIO_RCAR) += gpio-rcar.o
+--- /dev/null
++++ b/drivers/gpio/gpio-ralink.c
+@@ -0,0 +1,341 @@
++/*
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ *
++ * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
++ */
++
++#include <linux/module.h>
++#include <linux/io.h>
++#include <linux/gpio.h>
++#include <linux/spinlock.h>
++#include <linux/platform_device.h>
++#include <linux/of_irq.h>
++#include <linux/irqdomain.h>
++#include <linux/interrupt.h>
++
++enum ralink_gpio_reg {
++ GPIO_REG_INT = 0,
++ GPIO_REG_EDGE,
++ GPIO_REG_RENA,
++ GPIO_REG_FENA,
++ GPIO_REG_DATA,
++ GPIO_REG_DIR,
++ GPIO_REG_POL,
++ GPIO_REG_SET,
++ GPIO_REG_RESET,
++ GPIO_REG_TOGGLE,
++ GPIO_REG_MAX
++};
++
++struct ralink_gpio_chip {
++ struct gpio_chip chip;
++ u8 regs[GPIO_REG_MAX];
++
++ spinlock_t lock;
++ void __iomem *membase;
++ struct irq_domain *domain;
++ int irq;
++
++ u32 rising;
++ u32 falling;
++};
++
++#define MAP_MAX 4
++static struct irq_domain *irq_map[MAP_MAX];
++static int irq_map_count;
++static atomic_t irq_refcount = ATOMIC_INIT(0);
++
++static inline struct ralink_gpio_chip *to_ralink_gpio(struct gpio_chip *chip)
++{
++ struct ralink_gpio_chip *rg;
++
++ rg = container_of(chip, struct ralink_gpio_chip, chip);
++
++ return rg;
++}
++
++static inline void rt_gpio_w32(struct ralink_gpio_chip *rg, u8 reg, u32 val)
++{
++ iowrite32(val, rg->membase + rg->regs[reg]);
++}
++
++static inline u32 rt_gpio_r32(struct ralink_gpio_chip *rg, u8 reg)
++{
++ return ioread32(rg->membase + rg->regs[reg]);
++}
++
++static void ralink_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
++{
++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
++
++ rt_gpio_w32(rg, (value) ? GPIO_REG_SET : GPIO_REG_RESET, BIT(offset));
++}
++
++static int ralink_gpio_get(struct gpio_chip *chip, unsigned offset)
++{
++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
++
++ return !!(rt_gpio_r32(rg, GPIO_REG_DATA) & BIT(offset));
++}
++
++static int ralink_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
++{
++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
++ unsigned long flags;
++ u32 t;
++
++ spin_lock_irqsave(&rg->lock, flags);
++ t = rt_gpio_r32(rg, GPIO_REG_DIR);
++ t &= ~BIT(offset);
++ rt_gpio_w32(rg, GPIO_REG_DIR, t);
++ spin_unlock_irqrestore(&rg->lock, flags);
++
++ return 0;
++}
++
++static int ralink_gpio_direction_output(struct gpio_chip *chip,
++ unsigned offset, int value)
++{
++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
++ unsigned long flags;
++ u32 t;
++
++ spin_lock_irqsave(&rg->lock, flags);
++ ralink_gpio_set(chip, offset, value);
++ t = rt_gpio_r32(rg, GPIO_REG_DIR);
++ t |= BIT(offset);
++ rt_gpio_w32(rg, GPIO_REG_DIR, t);
++ spin_unlock_irqrestore(&rg->lock, flags);
++
++ return 0;
++}
++
++static int ralink_gpio_to_irq(struct gpio_chip *chip, unsigned pin)
++{
++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip);
++
++ if (rg->irq < 1)
++ return -1;
++
++ return irq_create_mapping(rg->domain, pin);
++}
++
++static void ralink_gpio_irq_handler(struct irq_desc *desc)
++{
++ int i;
++
++ for (i = 0; i < irq_map_count; i++) {
++ struct irq_domain *domain = irq_map[i];
++ struct ralink_gpio_chip *rg;
++ unsigned long pending;
++ int bit;
++
++ rg = (struct ralink_gpio_chip *) domain->host_data;
++ pending = rt_gpio_r32(rg, GPIO_REG_INT);
++
++ for_each_set_bit(bit, &pending, rg->chip.ngpio) {
++ u32 map = irq_find_mapping(domain, bit);
++ generic_handle_irq(map);
++ rt_gpio_w32(rg, GPIO_REG_INT, BIT(bit));
++ }
++ }
++}
++
++static void ralink_gpio_irq_unmask(struct irq_data *d)
++{
++ struct ralink_gpio_chip *rg;
++ unsigned long flags;
++ u32 rise, fall;
++
++ rg = (struct ralink_gpio_chip *) d->domain->host_data;
++ rise = rt_gpio_r32(rg, GPIO_REG_RENA);
++ fall = rt_gpio_r32(rg, GPIO_REG_FENA);
++
++ spin_lock_irqsave(&rg->lock, flags);
++ rt_gpio_w32(rg, GPIO_REG_RENA, rise | (BIT(d->hwirq) & rg->rising));
++ rt_gpio_w32(rg, GPIO_REG_FENA, fall | (BIT(d->hwirq) & rg->falling));
++ spin_unlock_irqrestore(&rg->lock, flags);
++}
++
++static void ralink_gpio_irq_mask(struct irq_data *d)
++{
++ struct ralink_gpio_chip *rg;
++ unsigned long flags;
++ u32 rise, fall;
++
++ rg = (struct ralink_gpio_chip *) d->domain->host_data;
++ rise = rt_gpio_r32(rg, GPIO_REG_RENA);
++ fall = rt_gpio_r32(rg, GPIO_REG_FENA);
++
++ spin_lock_irqsave(&rg->lock, flags);
++ rt_gpio_w32(rg, GPIO_REG_FENA, fall & ~BIT(d->hwirq));
++ rt_gpio_w32(rg, GPIO_REG_RENA, rise & ~BIT(d->hwirq));
++ spin_unlock_irqrestore(&rg->lock, flags);
++}
++
++static int ralink_gpio_irq_type(struct irq_data *d, unsigned int type)
++{
++ struct ralink_gpio_chip *rg;
++ u32 mask = BIT(d->hwirq);
++
++ rg = (struct ralink_gpio_chip *) d->domain->host_data;
++
++ if (type == IRQ_TYPE_PROBE) {
++ if ((rg->rising | rg->falling) & mask)
++ return 0;
++
++ type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
++ }
++
++ if (type & IRQ_TYPE_EDGE_RISING)
++ rg->rising |= mask;
++ else
++ rg->rising &= ~mask;
++
++ if (type & IRQ_TYPE_EDGE_FALLING)
++ rg->falling |= mask;
++ else
++ rg->falling &= ~mask;
++
++ return 0;
++}
++
++static struct irq_chip ralink_gpio_irq_chip = {
++ .name = "GPIO",
++ .irq_unmask = ralink_gpio_irq_unmask,
++ .irq_mask = ralink_gpio_irq_mask,
++ .irq_mask_ack = ralink_gpio_irq_mask,
++ .irq_set_type = ralink_gpio_irq_type,
++};
++
++static int gpio_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
++{
++ irq_set_chip_and_handler(irq, &ralink_gpio_irq_chip, handle_level_irq);
++ irq_set_handler_data(irq, d);
++
++ return 0;
++}
++
++static const struct irq_domain_ops irq_domain_ops = {
++ .xlate = irq_domain_xlate_onecell,
++ .map = gpio_map,
++};
++
++static void ralink_gpio_irq_init(struct device_node *np,
++ struct ralink_gpio_chip *rg)
++{
++ if (irq_map_count >= MAP_MAX)
++ return;
++
++ rg->irq = irq_of_parse_and_map(np, 0);
++ if (!rg->irq)
++ return;
++
++ rg->domain = irq_domain_add_linear(np, rg->chip.ngpio,
++ &irq_domain_ops, rg);
++ if (!rg->domain) {
++ dev_err(rg->chip.parent, "irq_domain_add_linear failed\n");
++ return;
++ }
++
++ irq_map[irq_map_count++] = rg->domain;
++
++ rt_gpio_w32(rg, GPIO_REG_RENA, 0x0);
++ rt_gpio_w32(rg, GPIO_REG_FENA, 0x0);
++
++ if (!atomic_read(&irq_refcount))
++ irq_set_chained_handler(rg->irq, ralink_gpio_irq_handler);
++ atomic_inc(&irq_refcount);
++
++ dev_info(rg->chip.parent, "registering %d irq handlers\n", rg->chip.ngpio);
++}
++
++static int ralink_gpio_probe(struct platform_device *pdev)
++{
++ struct device_node *np = pdev->dev.of_node;
++ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ struct ralink_gpio_chip *rg;
++ const __be32 *ngpio, *gpiobase;
++
++ if (!res) {
++ dev_err(&pdev->dev, "failed to find resource\n");
++ return -ENOMEM;
++ }
++
++ rg = devm_kzalloc(&pdev->dev,
++ sizeof(struct ralink_gpio_chip), GFP_KERNEL);
++ if (!rg)
++ return -ENOMEM;
++
++ rg->membase = devm_ioremap_resource(&pdev->dev, res);
++ if (!rg->membase) {
++ dev_err(&pdev->dev, "cannot remap I/O memory region\n");
++ return -ENOMEM;
++ }
++
++ if (of_property_read_u8_array(np, "ralink,register-map",
++ rg->regs, GPIO_REG_MAX)) {
++ dev_err(&pdev->dev, "failed to read register definition\n");
++ return -EINVAL;
++ }
++
++ ngpio = of_get_property(np, "ngpios", NULL);
++ if (!ngpio) {
++ dev_err(&pdev->dev, "failed to read number of pins\n");
++ return -EINVAL;
++ }
++
++ gpiobase = of_get_property(np, "ralink,gpio-base", NULL);
++ if (gpiobase)
++ rg->chip.base = be32_to_cpu(*gpiobase);
++ else
++ rg->chip.base = -1;
++
++ spin_lock_init(&rg->lock);
++
++ rg->chip.parent = &pdev->dev;
++ rg->chip.label = dev_name(&pdev->dev);
++ rg->chip.of_node = np;
++ rg->chip.ngpio = be32_to_cpu(*ngpio);
++ rg->chip.direction_input = ralink_gpio_direction_input;
++ rg->chip.direction_output = ralink_gpio_direction_output;
++ rg->chip.get = ralink_gpio_get;
++ rg->chip.set = ralink_gpio_set;
++ rg->chip.request = gpiochip_generic_request;
++ rg->chip.to_irq = ralink_gpio_to_irq;
++ rg->chip.free = gpiochip_generic_free;
++
++ /* set polarity to low for all lines */
++ rt_gpio_w32(rg, GPIO_REG_POL, 0);
++
++ dev_info(&pdev->dev, "registering %d gpios\n", rg->chip.ngpio);
++
++ ralink_gpio_irq_init(np, rg);
++
++ return gpiochip_add(&rg->chip);
++}
++
++static const struct of_device_id ralink_gpio_match[] = {
++ { .compatible = "ralink,rt2880-gpio" },
++ {},
++};
++MODULE_DEVICE_TABLE(of, ralink_gpio_match);
++
++static struct platform_driver ralink_gpio_driver = {
++ .probe = ralink_gpio_probe,
++ .driver = {
++ .name = "rt2880_gpio",
++ .owner = THIS_MODULE,
++ .of_match_table = ralink_gpio_match,
++ },
++};
++
++static int __init ralink_gpio_init(void)
++{
++ return platform_driver_register(&ralink_gpio_driver);
++}
++
++subsys_initcall(ralink_gpio_init);
--- /dev/null
+From 57fa7f2f4ef6f78ce1d30509c0d111aa3791b524 Mon Sep 17 00:00:00 2001
+From: Daniel Santos <daniel.santos@pobox.com>
+Date: Sun, 4 Nov 2018 20:24:32 -0600
+Subject: gpio-ralink: Add support for GPIO as interrupt-controller
+
+Signed-off-by: Daniel Santos <daniel.santos@pobox.com>
+---
+ Documentation/devicetree/bindings/gpio/gpio-ralink.txt | 6 ++++++
+ drivers/gpio/gpio-ralink.c | 2 +-
+ 2 files changed, 7 insertions(+), 1 deletion(-)
+
+--- a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
++++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
+@@ -17,6 +17,9 @@ Required properties:
+
+ Optional properties:
+ - ralink,gpio-base : Specify the GPIO chips base number
++- interrupt-controller : marks this as an interrupt controller
++- #interrupt-cells : a standard two-cell interrupt flag, see
++ interrupt-controller/interrupts.txt
+
+ Example:
+
+@@ -28,6 +31,9 @@ Example:
+
+ reg = <0x600 0x34>;
+
++ interrupt-controller;
++ #interrupt-cells = <2>;
++
+ interrupt-parent = <&intc>;
+ interrupts = <6>;
+
+--- a/drivers/gpio/gpio-ralink.c
++++ b/drivers/gpio/gpio-ralink.c
+@@ -220,7 +220,7 @@ static int gpio_map(struct irq_domain *d
+ }
+
+ static const struct irq_domain_ops irq_domain_ops = {
+- .xlate = irq_domain_xlate_onecell,
++ .xlate = irq_domain_xlate_twocell,
+ .map = gpio_map,
+ };
+
--- /dev/null
+From: AngeloGioacchino Del Regno
+ <angelogioacchino.delregno@somainline.org>
+To: linus.walleij@linaro.org
+Cc: linux-kernel@vger.kernel.org, konrad.dybcio@somainline.org,
+ marijn.suijten@somainline.org, martin.botka@somainline.org,
+ phone-devel@vger.kernel.org, linux-gpio@vger.kernel.org,
+ devicetree@vger.kernel.org, robh+dt@kernel.org,
+ AngeloGioacchino Del Regno
+ <angelogioacchino.delregno@somainline.org>
+Subject: [PATCH v5 1/2] pinctrl: Add driver for Awinic AW9523/B I2C GPIO
+ Expander
+Date: Mon, 25 Jan 2021 19:22:18 +0100
+
+The Awinic AW9523(B) is a multi-function I2C gpio expander in a
+TQFN-24L package, featuring PWM (max 37mA per pin, or total max
+power 3.2Watts) for LED driving capability.
+
+It has two ports with 8 pins per port (for a total of 16 pins),
+configurable as either PWM with 1/256 stepping or GPIO input/output,
+1.8V logic input; each GPIO can be configured as input or output
+independently from each other.
+
+This IC also has an internal interrupt controller, which is capable
+of generating an interrupt for each GPIO, depending on the
+configuration, and will raise an interrupt on the INTN pin to
+advertise this to an external interrupt controller.
+
+Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
+---
+ drivers/pinctrl/Kconfig | 17 +
+ drivers/pinctrl/Makefile | 1 +
+ drivers/pinctrl/pinctrl-aw9523.c | 1122 ++++++++++++++++++++++++++++++
+ 3 files changed, 1140 insertions(+)
+ create mode 100644 drivers/pinctrl/pinctrl-aw9523.c
+
+--- a/drivers/pinctrl/Kconfig
++++ b/drivers/pinctrl/Kconfig
+@@ -113,6 +113,24 @@ config PINCTRL_AT91PIO4
+ Say Y here to enable the at91 pinctrl/gpio driver for Atmel PIO4
+ controller available on sama5d2 SoC.
+
++config PINCTRL_AW9523
++ bool "Awinic AW9523/AW9523B I2C GPIO expander pinctrl driver"
++ depends on OF && I2C
++ select PINMUX
++ select PINCONF
++ select GENERIC_PINCONF
++ select GPIOLIB
++ select GPIOLIB_IRQCHIP
++ select REGMAP
++ select REGMAP_I2C
++ help
++ The Awinic AW9523/AW9523B is a multi-function I2C GPIO
++ expander with PWM functionality. This driver bundles a
++ pinctrl driver to select the function muxing and a GPIO
++ driver to handle GPIO, when the GPIO function is selected.
++
++ Say yes to enable pinctrl and GPIO support for the AW9523(B).
++
+ config PINCTRL_AXP209
+ tristate "X-Powers AXP209 PMIC pinctrl and GPIO Support"
+ depends on MFD_AXP20X
+--- a/drivers/pinctrl/Makefile
++++ b/drivers/pinctrl/Makefile
+@@ -15,6 +15,7 @@ obj-$(CONFIG_PINCTRL_ARTPEC6) += pinctrl
+ obj-$(CONFIG_PINCTRL_AS3722) += pinctrl-as3722.o
+ obj-$(CONFIG_PINCTRL_AT91) += pinctrl-at91.o
+ obj-$(CONFIG_PINCTRL_AT91PIO4) += pinctrl-at91-pio4.o
++obj-$(CONFIG_PINCTRL_AW9523) += pinctrl-aw9523.o
+ obj-$(CONFIG_PINCTRL_AXP209) += pinctrl-axp209.o
+ obj-$(CONFIG_PINCTRL_BM1880) += pinctrl-bm1880.o
+ obj-$(CONFIG_PINCTRL_CY8C95X0) += pinctrl-cy8c95x0.o
--- /dev/null
+From: Shiji Yang <yangshiji66@outlook.com>
+Date: Wed, 26 Jul 2023 01:32:55 +0800
+Subject: [PATCH] pinctrl: mtmips: support requesting different functions for
+ same group
+
+Sometimes pinctrl consumers may request different functions for the
+same pin group in different situations. This patch can help to reset
+the group function flag when requesting a different function.
+
+Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
+---
+ drivers/pinctrl/ralink/pinctrl-ralink.c | 21 +++++++++++++++++----
+ 1 file changed, 17 insertions(+), 4 deletions(-)
+
+--- a/drivers/pinctrl/ralink/pinctrl-ralink.c
++++ b/drivers/pinctrl/ralink/pinctrl-ralink.c
+@@ -123,11 +123,24 @@ static int ralink_pmx_group_enable(struc
+ int i;
+ int shift;
+
+- /* dont allow double use */
++ /*
++ * for the same pin group, if request a different function,
++ * then clear the group function flag and continue, else exit.
++ */
+ if (p->groups[group].enabled) {
+- dev_err(p->dev, "%s is already enabled\n",
+- p->groups[group].name);
+- return 0;
++ for (i = 0; i < p->groups[group].func_count; i++) {
++ if (p->groups[group].func[i].enabled == 1) {
++ if (!strcmp(p->func[func]->name,
++ p->groups[group].func[i].name))
++ return 0;
++ p->groups[group].func[i].enabled = 0;
++ break;
++ }
++ }
++
++ /* exit if request the "gpio" function again */
++ if (i == p->groups[group].func_count && func == 0)
++ return 0;
+ }
+
+ p->groups[group].enabled = 1;
--- /dev/null
+From 975e76214cd2516eb6cfff4c3eec581872645e88 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Thu, 19 Sep 2013 01:50:59 +0200
+Subject: [PATCH 31/53] uvc: add iPassion iP2970 support
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/media/usb/uvc/uvc_driver.c | 12 +++
+ drivers/media/usb/uvc/uvc_status.c | 2 +
+ drivers/media/usb/uvc/uvc_video.c | 147 ++++++++++++++++++++++++++++++++++++
+ drivers/media/usb/uvc/uvcvideo.h | 5 +-
+ 4 files changed, 165 insertions(+), 1 deletion(-)
+
+--- a/drivers/media/usb/uvc/uvc_driver.c
++++ b/drivers/media/usb/uvc/uvc_driver.c
+@@ -2981,6 +2981,18 @@ static const struct usb_device_id uvc_id
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
++ /* iPassion iP2970 */
++ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
++ | USB_DEVICE_ID_MATCH_INT_INFO,
++ .idVendor = 0x1B3B,
++ .idProduct = 0x2970,
++ .bInterfaceClass = USB_CLASS_VIDEO,
++ .bInterfaceSubClass = 1,
++ .bInterfaceProtocol = 0,
++ .driver_info = UVC_QUIRK_PROBE_MINMAX
++ | UVC_QUIRK_STREAM_NO_FID
++ | UVC_QUIRK_MOTION
++ | UVC_QUIRK_SINGLE_ISO },
+ /* Generic USB Video Class */
+ { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_UNDEFINED) },
+ { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) },
+--- a/drivers/media/usb/uvc/uvc_status.c
++++ b/drivers/media/usb/uvc/uvc_status.c
+@@ -223,6 +223,7 @@ static void uvc_status_complete(struct u
+ if (uvc_event_control(urb, status, len))
+ /* The URB will be resubmitted in work context. */
+ return;
++ dev->motion = 1;
+ break;
+ }
+
+@@ -271,6 +272,7 @@ int uvc_status_init(struct uvc_device *d
+ }
+
+ pipe = usb_rcvintpipe(dev->udev, ep->desc.bEndpointAddress);
++ dev->motion = 0;
+
+ /*
+ * For high-speed interrupt endpoints, the bInterval value is used as
+--- a/drivers/media/usb/uvc/uvc_video.c
++++ b/drivers/media/usb/uvc/uvc_video.c
+@@ -19,6 +19,11 @@
+ #include <linux/wait.h>
+ #include <linux/atomic.h>
+ #include <asm/unaligned.h>
++#include <linux/skbuff.h>
++#include <linux/kobject.h>
++#include <linux/netlink.h>
++#include <linux/kobject.h>
++#include <linux/workqueue.h>
+
+ #include <media/v4l2-common.h>
+
+@@ -1231,9 +1236,149 @@ static void uvc_video_decode_data(struct
+ uvc_urb->async_operations++;
+ }
+
++struct bh_priv {
++ unsigned long seen;
++};
++
++struct bh_event {
++ const char *name;
++ struct sk_buff *skb;
++ struct work_struct work;
++};
++
++#define BH_ERR(fmt, args...) printk(KERN_ERR "%s: " fmt, "webcam", ##args )
++#define BH_DBG(fmt, args...) do {} while (0)
++#define BH_SKB_SIZE 2048
++
++extern u64 uevent_next_seqnum(void);
++static int seen = 0;
++
++static int bh_event_add_var(struct bh_event *event, int argv,
++ const char *format, ...)
++{
++ static char buf[128];
++ char *s;
++ va_list args;
++ int len;
++
++ if (argv)
++ return 0;
++
++ va_start(args, format);
++ len = vsnprintf(buf, sizeof(buf), format, args);
++ va_end(args);
++
++ if (len >= sizeof(buf)) {
++ BH_ERR("buffer size too small\n");
++ WARN_ON(1);
++ return -ENOMEM;
++ }
++
++ s = skb_put(event->skb, len + 1);
++ strcpy(s, buf);
++
++ BH_DBG("added variable '%s'\n", s);
++
++ return 0;
++}
++
++static int motion_hotplug_fill_event(struct bh_event *event)
++{
++ int s = jiffies;
++ int ret;
++
++ if (!seen)
++ seen = jiffies;
++
++ ret = bh_event_add_var(event, 0, "HOME=%s", "/");
++ if (ret)
++ return ret;
++
++ ret = bh_event_add_var(event, 0, "PATH=%s",
++ "/sbin:/bin:/usr/sbin:/usr/bin");
++ if (ret)
++ return ret;
++
++ ret = bh_event_add_var(event, 0, "SUBSYSTEM=usb");
++ if (ret)
++ return ret;
++
++ ret = bh_event_add_var(event, 0, "ACTION=motion");
++ if (ret)
++ return ret;
++
++ ret = bh_event_add_var(event, 0, "SEEN=%d", s - seen);
++ if (ret)
++ return ret;
++ seen = s;
++
++ ret = bh_event_add_var(event, 0, "SEQNUM=%llu", uevent_next_seqnum());
++
++ return ret;
++}
++
++static void motion_hotplug_work(struct work_struct *work)
++{
++ struct bh_event *event = container_of(work, struct bh_event, work);
++ int ret = 0;
++
++ event->skb = alloc_skb(BH_SKB_SIZE, GFP_KERNEL);
++ if (!event->skb)
++ goto out_free_event;
++
++ ret = bh_event_add_var(event, 0, "%s@", "add");
++ if (ret)
++ goto out_free_skb;
++
++ ret = motion_hotplug_fill_event(event);
++ if (ret)
++ goto out_free_skb;
++
++ NETLINK_CB(event->skb).dst_group = 1;
++ broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
++
++out_free_skb:
++ if (ret) {
++ BH_ERR("work error %d\n", ret);
++ kfree_skb(event->skb);
++ }
++out_free_event:
++ kfree(event);
++}
++
++static int motion_hotplug_create_event(void)
++{
++ struct bh_event *event;
++
++ event = kzalloc(sizeof(*event), GFP_KERNEL);
++ if (!event)
++ return -ENOMEM;
++
++ event->name = "motion";
++
++ INIT_WORK(&event->work, (void *)(void *)motion_hotplug_work);
++ schedule_work(&event->work);
++
++ return 0;
++}
++
++#define MOTION_FLAG_OFFSET 4
+ static void uvc_video_decode_end(struct uvc_streaming *stream,
+ struct uvc_buffer *buf, const u8 *data, int len)
+ {
++ if ((stream->dev->quirks & UVC_QUIRK_MOTION) &&
++ (data[len - 2] == 0xff) && (data[len - 1] == 0xd9)) {
++ u8 *mem;
++ buf->state = UVC_BUF_STATE_READY;
++ mem = (u8 *) (buf->mem + MOTION_FLAG_OFFSET);
++ if ( stream->dev->motion ) {
++ stream->dev->motion = 0;
++ motion_hotplug_create_event();
++ } else {
++ *mem &= 0x7f;
++ }
++ }
++
+ /* Mark the buffer as done if the EOF marker is set. */
+ if (data[1] & UVC_STREAM_EOF && buf->bytesused != 0) {
+ uvc_dbg(stream->dev, FRAME, "Frame complete (EOF found)\n");
+@@ -1815,6 +1960,8 @@ static int uvc_init_video_isoc(struct uv
+ if (npackets == 0)
+ return -ENOMEM;
+
++ if (stream->dev->quirks & UVC_QUIRK_SINGLE_ISO)
++ npackets = 1;
+ size = npackets * psize;
+
+ for_each_uvc_urb(uvc_urb, stream) {
+--- a/drivers/media/usb/uvc/uvcvideo.h
++++ b/drivers/media/usb/uvc/uvcvideo.h
+@@ -75,6 +75,8 @@
+ #define UVC_QUIRK_FORCE_Y8 0x00000800
+ #define UVC_QUIRK_FORCE_BPP 0x00001000
+ #define UVC_QUIRK_WAKE_AUTOSUSPEND 0x00002000
++#define UVC_QUIRK_MOTION 0x00004000
++#define UVC_QUIRK_SINGLE_ISO 0x00008000
+
+ /* Format flags */
+ #define UVC_FMT_FLAG_COMPRESSED 0x00000001
+@@ -562,6 +564,7 @@ struct uvc_device {
+ u8 *status;
+ struct input_dev *input;
+ char input_phys[64];
++ int motion;
+
+ struct uvc_ctrl_work {
+ struct work_struct work;
--- /dev/null
+From da6015e7f19d749f135f7ac55c4ec47b06faa868 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Fri, 9 Aug 2013 20:12:59 +0200
+Subject: [PATCH 41/53] DT: Add documentation for spi-rt2880
+
+Describe the SPI master found on the MIPS based Ralink RT2880 SoC.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ .../devicetree/bindings/spi/spi-rt2880.txt | 28 ++++++++++++++++++++
+ 1 file changed, 28 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/spi/spi-rt2880.txt
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/spi/spi-rt2880.txt
+@@ -0,0 +1,28 @@
++Ralink SoC RT2880 SPI master controller.
++
++This SPI controller is found on most wireless SoCs made by ralink.
++
++Required properties:
++- compatible : "ralink,rt2880-spi"
++- reg : The register base for the controller.
++- #address-cells : <1>, as required by generic SPI binding.
++- #size-cells : <0>, also as required by generic SPI binding.
++
++Child nodes as per the generic SPI binding.
++
++Example:
++
++ spi@b00 {
++ compatible = "ralink,rt2880-spi";
++ reg = <0xb00 0x100>;
++
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ m25p80@0 {
++ compatible = "m25p80";
++ reg = <0>;
++ spi-max-frequency = <10000000>;
++ };
++ };
++
--- /dev/null
+From 683af4ebb91a1600df1946ac4769d916b8a1be65 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 27 Jul 2014 11:15:12 +0100
+Subject: [PATCH 42/53] SPI: ralink: add Ralink SoC spi driver
+
+Add the driver needed to make SPI work on Ralink SoC.
+
+Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+Acked-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/spi/Kconfig | 6 +
+ drivers/spi/Makefile | 1 +
+ drivers/spi/spi-rt2880.c | 530 ++++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 537 insertions(+)
+ create mode 100644 drivers/spi/spi-rt2880.c
+
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
+@@ -823,6 +823,12 @@ config SPI_QCOM_GENI
+ This driver can also be built as a module. If so, the module
+ will be called spi-geni-qcom.
+
++config SPI_RT2880
++ tristate "Ralink RT288x SPI Controller"
++ depends on RALINK
++ help
++ This selects a driver for the Ralink RT288x/RT305x SPI Controller.
++
+ config SPI_S3C24XX
+ tristate "Samsung S3C24XX series SPI"
+ depends on ARCH_S3C24XX
+--- a/drivers/spi/Makefile
++++ b/drivers/spi/Makefile
+@@ -110,6 +110,7 @@ obj-$(CONFIG_SPI_RB4XX) += spi-rb4xx.o
+ obj-$(CONFIG_MACH_REALTEK_RTL) += spi-realtek-rtl.o
+ obj-$(CONFIG_SPI_RPCIF) += spi-rpc-if.o
+ obj-$(CONFIG_SPI_RSPI) += spi-rspi.o
++obj-$(CONFIG_SPI_RT2880) += spi-rt2880.o
+ obj-$(CONFIG_SPI_S3C24XX) += spi-s3c24xx-hw.o
+ spi-s3c24xx-hw-y := spi-s3c24xx.o
+ obj-$(CONFIG_SPI_S3C64XX) += spi-s3c64xx.o
+--- /dev/null
++++ b/drivers/spi/spi-rt2880.c
+@@ -0,0 +1,535 @@
++/*
++ * spi-rt2880.c -- Ralink RT288x/RT305x SPI controller driver
++ *
++ * Copyright (C) 2011 Sergiy <piratfm@gmail.com>
++ * Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * Some parts are based on spi-orion.c:
++ * Author: Shadi Ammouri <shadi@marvell.com>
++ * Copyright (C) 2007-2008 Marvell Ltd.
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/clk.h>
++#include <linux/err.h>
++#include <linux/delay.h>
++#include <linux/io.h>
++#include <linux/reset.h>
++#include <linux/spi/spi.h>
++#include <linux/platform_device.h>
++#include <linux/gpio.h>
++
++#define DRIVER_NAME "spi-rt2880"
++
++#define RAMIPS_SPI_STAT 0x00
++#define RAMIPS_SPI_CFG 0x10
++#define RAMIPS_SPI_CTL 0x14
++#define RAMIPS_SPI_DATA 0x20
++#define RAMIPS_SPI_ADDR 0x24
++#define RAMIPS_SPI_BS 0x28
++#define RAMIPS_SPI_USER 0x2C
++#define RAMIPS_SPI_TXFIFO 0x30
++#define RAMIPS_SPI_RXFIFO 0x34
++#define RAMIPS_SPI_FIFO_STAT 0x38
++#define RAMIPS_SPI_MODE 0x3C
++#define RAMIPS_SPI_DEV_OFFSET 0x40
++#define RAMIPS_SPI_DMA 0x80
++#define RAMIPS_SPI_DMASTAT 0x84
++#define RAMIPS_SPI_ARBITER 0xF0
++
++/* SPISTAT register bit field */
++#define SPISTAT_BUSY BIT(0)
++
++/* SPICFG register bit field */
++#define SPICFG_ADDRMODE BIT(12)
++#define SPICFG_RXENVDIS BIT(11)
++#define SPICFG_RXCAP BIT(10)
++#define SPICFG_SPIENMODE BIT(9)
++#define SPICFG_MSBFIRST BIT(8)
++#define SPICFG_SPICLKPOL BIT(6)
++#define SPICFG_RXCLKEDGE_FALLING BIT(5)
++#define SPICFG_TXCLKEDGE_FALLING BIT(4)
++#define SPICFG_HIZSPI BIT(3)
++#define SPICFG_SPICLK_PRESCALE_MASK 0x7
++#define SPICFG_SPICLK_DIV2 0
++#define SPICFG_SPICLK_DIV4 1
++#define SPICFG_SPICLK_DIV8 2
++#define SPICFG_SPICLK_DIV16 3
++#define SPICFG_SPICLK_DIV32 4
++#define SPICFG_SPICLK_DIV64 5
++#define SPICFG_SPICLK_DIV128 6
++#define SPICFG_SPICLK_DISABLE 7
++
++/* SPICTL register bit field */
++#define SPICTL_START BIT(4)
++#define SPICTL_HIZSDO BIT(3)
++#define SPICTL_STARTWR BIT(2)
++#define SPICTL_STARTRD BIT(1)
++#define SPICTL_SPIENA BIT(0)
++
++/* SPIUSER register bit field */
++#define SPIUSER_USERMODE BIT(21)
++#define SPIUSER_INSTR_PHASE BIT(20)
++#define SPIUSER_ADDR_PHASE_MASK 0x7
++#define SPIUSER_ADDR_PHASE_OFFSET 17
++#define SPIUSER_MODE_PHASE BIT(16)
++#define SPIUSER_DUMMY_PHASE_MASK 0x3
++#define SPIUSER_DUMMY_PHASE_OFFSET 14
++#define SPIUSER_DATA_PHASE_MASK 0x3
++#define SPIUSER_DATA_PHASE_OFFSET 12
++#define SPIUSER_DATA_READ (BIT(0) << SPIUSER_DATA_PHASE_OFFSET)
++#define SPIUSER_DATA_WRITE (BIT(1) << SPIUSER_DATA_PHASE_OFFSET)
++#define SPIUSER_ADDR_TYPE_OFFSET 9
++#define SPIUSER_MODE_TYPE_OFFSET 6
++#define SPIUSER_DUMMY_TYPE_OFFSET 3
++#define SPIUSER_DATA_TYPE_OFFSET 0
++#define SPIUSER_TRANSFER_MASK 0x7
++#define SPIUSER_TRANSFER_SINGLE BIT(0)
++#define SPIUSER_TRANSFER_DUAL BIT(1)
++#define SPIUSER_TRANSFER_QUAD BIT(2)
++
++#define SPIUSER_TRANSFER_TYPE(type) ( \
++ (type << SPIUSER_ADDR_TYPE_OFFSET) | \
++ (type << SPIUSER_MODE_TYPE_OFFSET) | \
++ (type << SPIUSER_DUMMY_TYPE_OFFSET) | \
++ (type << SPIUSER_DATA_TYPE_OFFSET) \
++)
++
++/* SPIFIFOSTAT register bit field */
++#define SPIFIFOSTAT_TXEMPTY BIT(19)
++#define SPIFIFOSTAT_RXEMPTY BIT(18)
++#define SPIFIFOSTAT_TXFULL BIT(17)
++#define SPIFIFOSTAT_RXFULL BIT(16)
++#define SPIFIFOSTAT_FIFO_MASK 0xff
++#define SPIFIFOSTAT_TX_OFFSET 8
++#define SPIFIFOSTAT_RX_OFFSET 0
++
++#define SPI_FIFO_DEPTH 16
++
++/* SPIMODE register bit field */
++#define SPIMODE_MODE_OFFSET 24
++#define SPIMODE_DUMMY_OFFSET 0
++
++/* SPIARB register bit field */
++#define SPICTL_ARB_EN BIT(31)
++#define SPICTL_CSCTL1 BIT(16)
++#define SPI1_POR BIT(1)
++#define SPI0_POR BIT(0)
++
++#define RT2880_SPI_MODE_BITS (SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST | \
++ SPI_CS_HIGH)
++
++static atomic_t hw_reset_count = ATOMIC_INIT(0);
++
++struct rt2880_spi {
++ struct spi_master *master;
++ void __iomem *base;
++ u32 speed;
++ u16 wait_loops;
++ u16 mode;
++ struct clk *clk;
++};
++
++static inline struct rt2880_spi *spidev_to_rt2880_spi(struct spi_device *spi)
++{
++ return spi_master_get_devdata(spi->master);
++}
++
++static inline u32 rt2880_spi_read(struct rt2880_spi *rs, u32 reg)
++{
++ return ioread32(rs->base + reg);
++}
++
++static inline void rt2880_spi_write(struct rt2880_spi *rs, u32 reg,
++ const u32 val)
++{
++ iowrite32(val, rs->base + reg);
++}
++
++static inline void rt2880_spi_setbits(struct rt2880_spi *rs, u32 reg, u32 mask)
++{
++ void __iomem *addr = rs->base + reg;
++
++ iowrite32((ioread32(addr) | mask), addr);
++}
++
++static inline void rt2880_spi_clrbits(struct rt2880_spi *rs, u32 reg, u32 mask)
++{
++ void __iomem *addr = rs->base + reg;
++
++ iowrite32((ioread32(addr) & ~mask), addr);
++}
++
++static u32 rt2880_spi_baudrate_get(struct spi_device *spi, unsigned int speed)
++{
++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi);
++ u32 rate;
++ u32 prescale;
++
++ /*
++ * the supported rates are: 2, 4, 8, ... 128
++ * round up as we look for equal or less speed
++ */
++ rate = DIV_ROUND_UP(clk_get_rate(rs->clk), speed);
++ rate = roundup_pow_of_two(rate);
++
++ /* Convert the rate to SPI clock divisor value. */
++ prescale = ilog2(rate / 2);
++
++ /* some tolerance. double and add 100 */
++ rs->wait_loops = (8 * HZ * loops_per_jiffy) /
++ (clk_get_rate(rs->clk) / rate);
++ rs->wait_loops = (rs->wait_loops << 1) + 100;
++ rs->speed = speed;
++
++ dev_dbg(&spi->dev, "speed: %lu/%u, rate: %u, prescal: %u, loops: %hu\n",
++ clk_get_rate(rs->clk) / rate, speed, rate, prescale,
++ rs->wait_loops);
++
++ return prescale;
++}
++
++static u32 get_arbiter_offset(struct spi_master *master)
++{
++ u32 offset;
++
++ offset = RAMIPS_SPI_ARBITER;
++ if (master->bus_num == 1)
++ offset -= RAMIPS_SPI_DEV_OFFSET;
++
++ return offset;
++}
++
++static void rt2880_spi_set_cs(struct spi_device *spi, bool enable)
++{
++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi);
++
++ if (enable)
++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA);
++ else
++ rt2880_spi_clrbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA);
++}
++
++static int rt2880_spi_wait_ready(struct rt2880_spi *rs, int len)
++{
++ int loop = rs->wait_loops * len;
++
++ while ((rt2880_spi_read(rs, RAMIPS_SPI_STAT) & SPISTAT_BUSY) && --loop)
++ cpu_relax();
++
++ if (loop)
++ return 0;
++
++ return -ETIMEDOUT;
++}
++
++static void rt2880_dump_reg(struct spi_master *master)
++{
++ struct rt2880_spi *rs = spi_master_get_devdata(master);
++
++ dev_dbg(&master->dev, "stat: %08x, cfg: %08x, ctl: %08x, " \
++ "data: %08x, arb: %08x\n",
++ rt2880_spi_read(rs, RAMIPS_SPI_STAT),
++ rt2880_spi_read(rs, RAMIPS_SPI_CFG),
++ rt2880_spi_read(rs, RAMIPS_SPI_CTL),
++ rt2880_spi_read(rs, RAMIPS_SPI_DATA),
++ rt2880_spi_read(rs, get_arbiter_offset(master)));
++}
++
++static int rt2880_spi_transfer_one(struct spi_master *master,
++ struct spi_device *spi, struct spi_transfer *xfer)
++{
++ struct rt2880_spi *rs = spi_master_get_devdata(master);
++ unsigned len;
++ const u8 *tx = xfer->tx_buf;
++ u8 *rx = xfer->rx_buf;
++ int err = 0;
++
++ /* change clock speed */
++ if (unlikely(rs->speed != xfer->speed_hz)) {
++ u32 reg;
++ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG);
++ reg &= ~SPICFG_SPICLK_PRESCALE_MASK;
++ reg |= rt2880_spi_baudrate_get(spi, xfer->speed_hz);
++ rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg);
++ }
++
++ if (tx) {
++ len = xfer->len;
++ while (len-- > 0) {
++ rt2880_spi_write(rs, RAMIPS_SPI_DATA, *tx++);
++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTWR);
++ err = rt2880_spi_wait_ready(rs, 1);
++ if (err) {
++ dev_err(&spi->dev, "TX failed, err=%d\n", err);
++ goto out;
++ }
++ }
++ }
++
++ if (rx) {
++ len = xfer->len;
++ while (len-- > 0) {
++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTRD);
++ err = rt2880_spi_wait_ready(rs, 1);
++ if (err) {
++ dev_err(&spi->dev, "RX failed, err=%d\n", err);
++ goto out;
++ }
++ *rx++ = (u8) rt2880_spi_read(rs, RAMIPS_SPI_DATA);
++ }
++ }
++
++out:
++ return err;
++}
++
++/* copy from spi.c */
++static void spi_set_cs(struct spi_device *spi, bool enable)
++{
++ if (spi->mode & SPI_CS_HIGH)
++ enable = !enable;
++
++ if (spi->cs_gpiod)
++ gpiod_set_value(spi->cs_gpiod, !enable);
++ else if (spi->master->set_cs)
++ spi->master->set_cs(spi, !enable);
++}
++
++static int rt2880_spi_setup(struct spi_device *spi)
++{
++ struct spi_master *master = spi->master;
++ struct rt2880_spi *rs = spi_master_get_devdata(master);
++ u32 reg, old_reg, arbit_off;
++
++ if ((spi->max_speed_hz > master->max_speed_hz) ||
++ (spi->max_speed_hz < master->min_speed_hz)) {
++ dev_err(&spi->dev, "invalide requested speed %d Hz\n",
++ spi->max_speed_hz);
++ return -EINVAL;
++ }
++
++ if (!(master->bits_per_word_mask &
++ BIT(spi->bits_per_word - 1))) {
++ dev_err(&spi->dev, "invalide bits_per_word %d\n",
++ spi->bits_per_word);
++ return -EINVAL;
++ }
++
++ /* the hardware seems can't work on mode0 force it to mode3 */
++ if ((spi->mode & (SPI_CPOL | SPI_CPHA)) == SPI_MODE_0) {
++ dev_warn(&spi->dev, "force spi mode3\n");
++ spi->mode |= SPI_MODE_3;
++ }
++
++ /* chip polarity */
++ arbit_off = get_arbiter_offset(master);
++ reg = old_reg = rt2880_spi_read(rs, arbit_off);
++ if (spi->mode & SPI_CS_HIGH) {
++ switch (master->bus_num) {
++ case 1:
++ reg |= SPI1_POR;
++ break;
++ default:
++ reg |= SPI0_POR;
++ break;
++ }
++ } else {
++ switch (master->bus_num) {
++ case 1:
++ reg &= ~SPI1_POR;
++ break;
++ default:
++ reg &= ~SPI0_POR;
++ break;
++ }
++ }
++
++ /* enable spi1 */
++ if (master->bus_num == 1)
++ reg |= SPICTL_ARB_EN;
++
++ if (reg != old_reg)
++ rt2880_spi_write(rs, arbit_off, reg);
++
++ /* deselected the spi device */
++ spi_set_cs(spi, false);
++
++ rt2880_dump_reg(master);
++
++ return 0;
++}
++
++static int rt2880_spi_prepare_message(struct spi_master *master,
++ struct spi_message *msg)
++{
++ struct rt2880_spi *rs = spi_master_get_devdata(master);
++ struct spi_device *spi = msg->spi;
++ u32 reg;
++
++ if ((rs->mode == spi->mode) && (rs->speed == spi->max_speed_hz))
++ return 0;
++
++#if 0
++ /* set spido to tri-state */
++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_HIZSDO);
++#endif
++
++ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG);
++
++ reg &= ~(SPICFG_MSBFIRST | SPICFG_SPICLKPOL |
++ SPICFG_RXCLKEDGE_FALLING |
++ SPICFG_TXCLKEDGE_FALLING |
++ SPICFG_SPICLK_PRESCALE_MASK);
++
++ /* MSB */
++ if (!(spi->mode & SPI_LSB_FIRST))
++ reg |= SPICFG_MSBFIRST;
++
++ /* spi mode */
++ switch (spi->mode & (SPI_CPOL | SPI_CPHA)) {
++ case SPI_MODE_0:
++ reg |= SPICFG_TXCLKEDGE_FALLING;
++ break;
++ case SPI_MODE_1:
++ reg |= SPICFG_RXCLKEDGE_FALLING;
++ break;
++ case SPI_MODE_2:
++ reg |= SPICFG_SPICLKPOL | SPICFG_RXCLKEDGE_FALLING;
++ break;
++ case SPI_MODE_3:
++ reg |= SPICFG_SPICLKPOL | SPICFG_TXCLKEDGE_FALLING;
++ break;
++ }
++ rs->mode = spi->mode;
++
++#if 0
++ /* set spiclk and spiena to tri-state */
++ reg |= SPICFG_HIZSPI;
++#endif
++
++ /* clock divide */
++ reg |= rt2880_spi_baudrate_get(spi, spi->max_speed_hz);
++
++ rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg);
++
++ return 0;
++}
++
++static int rt2880_spi_probe(struct platform_device *pdev)
++{
++ struct spi_master *master;
++ struct rt2880_spi *rs;
++ void __iomem *base;
++ struct resource *r;
++ struct clk *clk;
++ int ret;
++
++ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ base = devm_ioremap_resource(&pdev->dev, r);
++ if (IS_ERR(base))
++ return PTR_ERR(base);
++
++ clk = devm_clk_get(&pdev->dev, NULL);
++ if (IS_ERR(clk)) {
++ dev_err(&pdev->dev, "unable to get SYS clock\n");
++ return PTR_ERR(clk);
++ }
++
++ ret = clk_prepare_enable(clk);
++ if (ret)
++ goto err_clk;
++
++ master = spi_alloc_master(&pdev->dev, sizeof(*rs));
++ if (master == NULL) {
++ dev_dbg(&pdev->dev, "master allocation failed\n");
++ ret = -ENOMEM;
++ goto err_clk;
++ }
++
++ master->dev.of_node = pdev->dev.of_node;
++ master->mode_bits = RT2880_SPI_MODE_BITS;
++ master->bits_per_word_mask = SPI_BPW_MASK(8);
++ master->min_speed_hz = clk_get_rate(clk) / 128;
++ master->max_speed_hz = clk_get_rate(clk) / 2;
++ master->flags = SPI_MASTER_HALF_DUPLEX;
++ master->setup = rt2880_spi_setup;
++ master->prepare_message = rt2880_spi_prepare_message;
++ master->set_cs = rt2880_spi_set_cs;
++ master->transfer_one = rt2880_spi_transfer_one,
++
++ dev_set_drvdata(&pdev->dev, master);
++
++ rs = spi_master_get_devdata(master);
++ rs->master = master;
++ rs->base = base;
++ rs->clk = clk;
++
++ if (atomic_inc_return(&hw_reset_count) == 1) {
++ ret = device_reset(&pdev->dev);
++ if (ret) {
++ dev_err(&pdev->dev, "device_reset error.\n");
++ goto err_master;
++ }
++ }
++
++ ret = devm_spi_register_master(&pdev->dev, master);
++ if (ret < 0) {
++ dev_err(&pdev->dev, "devm_spi_register_master error.\n");
++ goto err_master;
++ }
++
++ return ret;
++
++err_master:
++ spi_master_put(master);
++ kfree(master);
++err_clk:
++ clk_disable_unprepare(clk);
++
++ return ret;
++}
++
++static int rt2880_spi_remove(struct platform_device *pdev)
++{
++ struct spi_master *master;
++ struct rt2880_spi *rs;
++
++ master = dev_get_drvdata(&pdev->dev);
++ rs = spi_master_get_devdata(master);
++
++ clk_disable_unprepare(rs->clk);
++ atomic_dec(&hw_reset_count);
++
++ return 0;
++}
++
++MODULE_ALIAS("platform:" DRIVER_NAME);
++
++static const struct of_device_id rt2880_spi_match[] = {
++ { .compatible = "ralink,rt2880-spi" },
++ {},
++};
++MODULE_DEVICE_TABLE(of, rt2880_spi_match);
++
++static struct platform_driver rt2880_spi_driver = {
++ .driver = {
++ .name = DRIVER_NAME,
++ .owner = THIS_MODULE,
++ .of_match_table = rt2880_spi_match,
++ },
++ .probe = rt2880_spi_probe,
++ .remove = rt2880_spi_remove,
++};
++
++module_platform_driver(rt2880_spi_driver);
++
++MODULE_DESCRIPTION("Ralink SPI driver");
++MODULE_AUTHOR("Sergiy <piratfm@gmail.com>");
++MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
++MODULE_LICENSE("GPL");
--- /dev/null
+From 723b8beaabf3c3c4b1ce69480141f1e926f3f3b2 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 27 Jul 2014 09:52:56 +0100
+Subject: [PATCH 44/53] i2c: MIPS: adds ralink I2C driver
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ .../devicetree/bindings/i2c/i2c-ralink.txt | 27 ++
+ drivers/i2c/busses/Kconfig | 4 +
+ drivers/i2c/busses/Makefile | 1 +
+ drivers/i2c/busses/i2c-ralink.c | 327 ++++++++++++++++++++
+ 4 files changed, 359 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/i2c/i2c-ralink.txt
+ create mode 100644 drivers/i2c/busses/i2c-ralink.c
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/i2c/i2c-ralink.txt
+@@ -0,0 +1,27 @@
++I2C for Ralink platforms
++
++Required properties :
++- compatible : Must be "link,rt3052-i2c"
++- reg: physical base address of the controller and length of memory mapped
++ region.
++- #address-cells = <1>;
++- #size-cells = <0>;
++
++Optional properties:
++- Child nodes conforming to i2c bus binding
++
++Example :
++
++palmbus@10000000 {
++ i2c@900 {
++ compatible = "link,rt3052-i2c";
++ reg = <0x900 0x100>;
++ #address-cells = <1>;
++ #size-cells = <0>;
++
++ hwmon@4b {
++ compatible = "national,lm92";
++ reg = <0x4b>;
++ };
++ };
++};
+--- a/drivers/i2c/busses/Kconfig
++++ b/drivers/i2c/busses/Kconfig
+@@ -998,6 +998,11 @@ config I2C_RK3X
+ This driver can also be built as a module. If so, the module will
+ be called i2c-rk3x.
+
++config I2C_RALINK
++ tristate "Ralink I2C Controller"
++ depends on RALINK && !SOC_MT7621
++ select OF_I2C
++
+ config I2C_RZV2M
+ tristate "Renesas RZ/V2M adapter"
+ depends on ARCH_RENESAS || COMPILE_TEST
+--- a/drivers/i2c/busses/Makefile
++++ b/drivers/i2c/busses/Makefile
+@@ -95,6 +95,7 @@ obj-$(CONFIG_I2C_PCA_PLATFORM) += i2c-pc
+ obj-$(CONFIG_I2C_PNX) += i2c-pnx.o
+ obj-$(CONFIG_I2C_PXA) += i2c-pxa.o
+ obj-$(CONFIG_I2C_PXA_PCI) += i2c-pxa-pci.o
++obj-$(CONFIG_I2C_RALINK) += i2c-ralink.o
+ obj-$(CONFIG_I2C_QCOM_CCI) += i2c-qcom-cci.o
+ obj-$(CONFIG_I2C_QCOM_GENI) += i2c-qcom-geni.o
+ obj-$(CONFIG_I2C_QUP) += i2c-qup.o
+--- /dev/null
++++ b/drivers/i2c/busses/i2c-ralink.c
+@@ -0,0 +1,440 @@
++/*
++ * drivers/i2c/busses/i2c-ralink.c
++ *
++ * Copyright (C) 2013 Steven Liu <steven_liu@mediatek.com>
++ * Copyright (C) 2016 Michael Lee <igvtee@gmail.com>
++ *
++ * Improve driver for i2cdetect from i2c-tools to detect i2c devices on the bus.
++ * (C) 2014 Sittisak <sittisaks@hotmail.com>
++ *
++ * This software is licensed under the terms of the GNU General Public
++ * License version 2, as published by the Free Software Foundation, and
++ * may be copied, distributed, and modified under those terms.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ */
++
++#include <linux/interrupt.h>
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/reset.h>
++#include <linux/delay.h>
++#include <linux/slab.h>
++#include <linux/init.h>
++#include <linux/errno.h>
++#include <linux/platform_device.h>
++#include <linux/of_platform.h>
++#include <linux/i2c.h>
++#include <linux/io.h>
++#include <linux/err.h>
++#include <linux/clk.h>
++
++#define REG_CONFIG_REG 0x00
++#define REG_CLKDIV_REG 0x04
++#define REG_DEVADDR_REG 0x08
++#define REG_ADDR_REG 0x0C
++#define REG_DATAOUT_REG 0x10
++#define REG_DATAIN_REG 0x14
++#define REG_STATUS_REG 0x18
++#define REG_STARTXFR_REG 0x1C
++#define REG_BYTECNT_REG 0x20
++
++/* REG_CONFIG_REG */
++#define I2C_ADDRLEN_OFFSET 5
++#define I2C_DEVADLEN_OFFSET 2
++#define I2C_ADDRLEN_MASK 0x3
++#define I2C_ADDR_DIS BIT(1)
++#define I2C_DEVADDR_DIS BIT(0)
++#define I2C_ADDRLEN_8 (7 << I2C_ADDRLEN_OFFSET)
++#define I2C_DEVADLEN_7 (6 << I2C_DEVADLEN_OFFSET)
++#define I2C_CONF_DEFAULT (I2C_ADDRLEN_8 | I2C_DEVADLEN_7)
++
++/* REG_CLKDIV_REG */
++#define I2C_CLKDIV_MASK 0xffff
++
++/* REG_DEVADDR_REG */
++#define I2C_DEVADDR_MASK 0x7f
++
++/* REG_ADDR_REG */
++#define I2C_ADDR_MASK 0xff
++
++/* REG_STATUS_REG */
++#define I2C_STARTERR BIT(4)
++#define I2C_ACKERR BIT(3)
++#define I2C_DATARDY BIT(2)
++#define I2C_SDOEMPTY BIT(1)
++#define I2C_BUSY BIT(0)
++
++/* REG_STARTXFR_REG */
++#define NOSTOP_CMD BIT(2)
++#define NODATA_CMD BIT(1)
++#define READ_CMD BIT(0)
++
++/* REG_BYTECNT_REG */
++#define BYTECNT_MAX 64
++#define SET_BYTECNT(x) (x - 1)
++
++/* timeout waiting for I2C devices to respond (clock streching) */
++#define TIMEOUT_MS 1000
++#define DELAY_INTERVAL_US 100
++
++struct rt_i2c {
++ void __iomem *base;
++ struct clk *clk;
++ struct device *dev;
++ struct i2c_adapter adap;
++ u32 cur_clk;
++ u32 clk_div;
++ u32 flags;
++};
++
++static void rt_i2c_w32(struct rt_i2c *i2c, u32 val, unsigned reg)
++{
++ iowrite32(val, i2c->base + reg);
++}
++
++static u32 rt_i2c_r32(struct rt_i2c *i2c, unsigned reg)
++{
++ return ioread32(i2c->base + reg);
++}
++
++static int poll_down_timeout(void __iomem *addr, u32 mask)
++{
++ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS);
++
++ do {
++ if (!(readl_relaxed(addr) & mask))
++ return 0;
++
++ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50);
++ } while (time_before(jiffies, timeout));
++
++ return (readl_relaxed(addr) & mask) ? -EAGAIN : 0;
++}
++
++static int rt_i2c_wait_idle(struct rt_i2c *i2c)
++{
++ int ret;
++
++ ret = poll_down_timeout(i2c->base + REG_STATUS_REG, I2C_BUSY);
++ if (ret < 0)
++ dev_dbg(i2c->dev, "idle err(%d)\n", ret);
++
++ return ret;
++}
++
++static int poll_up_timeout(void __iomem *addr, u32 mask)
++{
++ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS);
++ u32 status;
++
++ do {
++ status = readl_relaxed(addr);
++
++ /* check error status */
++ if (status & I2C_STARTERR)
++ return -EAGAIN;
++ else if (status & I2C_ACKERR)
++ return -ENXIO;
++ else if (status & mask)
++ return 0;
++
++ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50);
++ } while (time_before(jiffies, timeout));
++
++ return -ETIMEDOUT;
++}
++
++static int rt_i2c_wait_rx_done(struct rt_i2c *i2c)
++{
++ int ret;
++
++ ret = poll_up_timeout(i2c->base + REG_STATUS_REG, I2C_DATARDY);
++ if (ret < 0)
++ dev_dbg(i2c->dev, "rx err(%d)\n", ret);
++
++ return ret;
++}
++
++static int rt_i2c_wait_tx_done(struct rt_i2c *i2c)
++{
++ int ret;
++
++ ret = poll_up_timeout(i2c->base + REG_STATUS_REG, I2C_SDOEMPTY);
++ if (ret < 0)
++ dev_dbg(i2c->dev, "tx err(%d)\n", ret);
++
++ return ret;
++}
++
++static void rt_i2c_reset(struct rt_i2c *i2c)
++{
++ int ret;
++
++ ret = device_reset(i2c->adap.dev.parent);
++ if (ret)
++ dev_err(i2c->dev, "Failed to reset device");
++
++ barrier();
++ rt_i2c_w32(i2c, i2c->clk_div, REG_CLKDIV_REG);
++}
++
++static void rt_i2c_dump_reg(struct rt_i2c *i2c)
++{
++ dev_dbg(i2c->dev, "conf %08x, clkdiv %08x, devaddr %08x, " \
++ "addr %08x, dataout %08x, datain %08x, " \
++ "status %08x, startxfr %08x, bytecnt %08x\n",
++ rt_i2c_r32(i2c, REG_CONFIG_REG),
++ rt_i2c_r32(i2c, REG_CLKDIV_REG),
++ rt_i2c_r32(i2c, REG_DEVADDR_REG),
++ rt_i2c_r32(i2c, REG_ADDR_REG),
++ rt_i2c_r32(i2c, REG_DATAOUT_REG),
++ rt_i2c_r32(i2c, REG_DATAIN_REG),
++ rt_i2c_r32(i2c, REG_STATUS_REG),
++ rt_i2c_r32(i2c, REG_STARTXFR_REG),
++ rt_i2c_r32(i2c, REG_BYTECNT_REG));
++}
++
++static int rt_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
++ int num)
++{
++ struct rt_i2c *i2c;
++ struct i2c_msg *pmsg;
++ unsigned char addr;
++ int i, j, ret;
++ u32 cmd;
++
++ i2c = i2c_get_adapdata(adap);
++
++ for (i = 0; i < num; i++) {
++ pmsg = &msgs[i];
++ if (i == (num - 1))
++ cmd = 0;
++ else
++ cmd = NOSTOP_CMD;
++
++ dev_dbg(i2c->dev, "addr: 0x%x, len: %d, flags: 0x%x, stop: %d\n",
++ pmsg->addr, pmsg->len, pmsg->flags,
++ (cmd == 0)? 1 : 0);
++
++ /* wait hardware idle */
++ if ((ret = rt_i2c_wait_idle(i2c)))
++ goto err_timeout;
++
++ if (pmsg->flags & I2C_M_TEN) {
++ rt_i2c_w32(i2c, I2C_CONF_DEFAULT, REG_CONFIG_REG);
++ /* 10 bits address */
++ addr = 0x78 | ((pmsg->addr >> 8) & 0x03);
++ rt_i2c_w32(i2c, addr & I2C_DEVADDR_MASK,
++ REG_DEVADDR_REG);
++ rt_i2c_w32(i2c, pmsg->addr & I2C_ADDR_MASK,
++ REG_ADDR_REG);
++ } else {
++ rt_i2c_w32(i2c, I2C_CONF_DEFAULT | I2C_ADDR_DIS,
++ REG_CONFIG_REG);
++ /* 7 bits address */
++ rt_i2c_w32(i2c, pmsg->addr & I2C_DEVADDR_MASK,
++ REG_DEVADDR_REG);
++ }
++
++ /* buffer length */
++ if (pmsg->len == 0)
++ cmd |= NODATA_CMD;
++ else
++ rt_i2c_w32(i2c, SET_BYTECNT(pmsg->len),
++ REG_BYTECNT_REG);
++
++ j = 0;
++ if (pmsg->flags & I2C_M_RD) {
++ cmd |= READ_CMD;
++ /* start transfer */
++ barrier();
++ rt_i2c_w32(i2c, cmd, REG_STARTXFR_REG);
++ do {
++ /* wait */
++ if ((ret = rt_i2c_wait_rx_done(i2c)))
++ goto err_timeout;
++ /* read data */
++ if (pmsg->len)
++ pmsg->buf[j] = rt_i2c_r32(i2c,
++ REG_DATAIN_REG);
++ j++;
++ } while (j < pmsg->len);
++ } else {
++ do {
++ /* write data */
++ if (pmsg->len)
++ rt_i2c_w32(i2c, pmsg->buf[j],
++ REG_DATAOUT_REG);
++ /* start transfer */
++ if (j == 0) {
++ barrier();
++ rt_i2c_w32(i2c, cmd, REG_STARTXFR_REG);
++ }
++ /* wait */
++ if ((ret = rt_i2c_wait_tx_done(i2c)))
++ goto err_timeout;
++ j++;
++ } while (j < pmsg->len);
++ }
++ }
++ /* the return value is number of executed messages */
++ ret = i;
++
++ return ret;
++
++err_timeout:
++ rt_i2c_dump_reg(i2c);
++ rt_i2c_reset(i2c);
++ return ret;
++}
++
++static u32 rt_i2c_func(struct i2c_adapter *a)
++{
++ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
++}
++
++static const struct i2c_algorithm rt_i2c_algo = {
++ .master_xfer = rt_i2c_master_xfer,
++ .functionality = rt_i2c_func,
++};
++
++static const struct of_device_id i2c_rt_dt_ids[] = {
++ { .compatible = "ralink,rt2880-i2c" },
++ { /* sentinel */ }
++};
++
++MODULE_DEVICE_TABLE(of, i2c_rt_dt_ids);
++
++static struct i2c_adapter_quirks rt_i2c_quirks = {
++ .max_write_len = BYTECNT_MAX,
++ .max_read_len = BYTECNT_MAX,
++};
++
++static int rt_i2c_init(struct rt_i2c *i2c)
++{
++ u32 reg;
++
++ /* i2c_sclk = periph_clk / ((2 * clk_div) + 5) */
++ i2c->clk_div = (clk_get_rate(i2c->clk) - (5 * i2c->cur_clk)) /
++ (2 * i2c->cur_clk);
++ if (i2c->clk_div < 8)
++ i2c->clk_div = 8;
++ if (i2c->clk_div > I2C_CLKDIV_MASK)
++ i2c->clk_div = I2C_CLKDIV_MASK;
++
++ /* check support combinde/repeated start message */
++ rt_i2c_w32(i2c, NOSTOP_CMD, REG_STARTXFR_REG);
++ reg = rt_i2c_r32(i2c, REG_STARTXFR_REG) & NOSTOP_CMD;
++
++ rt_i2c_reset(i2c);
++
++ return reg;
++}
++
++static int rt_i2c_probe(struct platform_device *pdev)
++{
++ struct resource *res;
++ struct rt_i2c *i2c;
++ struct i2c_adapter *adap;
++ const struct of_device_id *match;
++ int ret, restart;
++
++ match = of_match_device(i2c_rt_dt_ids, &pdev->dev);
++
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!res) {
++ dev_err(&pdev->dev, "no memory resource found\n");
++ return -ENODEV;
++ }
++
++ i2c = devm_kzalloc(&pdev->dev, sizeof(struct rt_i2c), GFP_KERNEL);
++ if (!i2c) {
++ dev_err(&pdev->dev, "failed to allocate i2c_adapter\n");
++ return -ENOMEM;
++ }
++
++ i2c->base = devm_ioremap_resource(&pdev->dev, res);
++ if (IS_ERR(i2c->base))
++ return PTR_ERR(i2c->base);
++
++ i2c->clk = devm_clk_get(&pdev->dev, NULL);
++ if (IS_ERR(i2c->clk)) {
++ dev_err(&pdev->dev, "no clock defined\n");
++ return -ENODEV;
++ }
++ clk_prepare_enable(i2c->clk);
++ i2c->dev = &pdev->dev;
++
++ if (of_property_read_u32(pdev->dev.of_node,
++ "clock-frequency", &i2c->cur_clk))
++ i2c->cur_clk = 100000;
++
++ adap = &i2c->adap;
++ adap->owner = THIS_MODULE;
++ adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
++ adap->algo = &rt_i2c_algo;
++ adap->retries = 3;
++ adap->dev.parent = &pdev->dev;
++ i2c_set_adapdata(adap, i2c);
++ adap->dev.of_node = pdev->dev.of_node;
++ strlcpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name));
++ adap->quirks = &rt_i2c_quirks;
++
++ platform_set_drvdata(pdev, i2c);
++
++ restart = rt_i2c_init(i2c);
++
++ ret = i2c_add_adapter(adap);
++ if (ret < 0) {
++ dev_err(&pdev->dev, "failed to add adapter\n");
++ clk_disable_unprepare(i2c->clk);
++ return ret;
++ }
++
++ dev_info(&pdev->dev, "clock %uKHz, re-start %ssupport\n",
++ i2c->cur_clk/1000, restart ? "" : "not ");
++
++ return ret;
++}
++
++static int rt_i2c_remove(struct platform_device *pdev)
++{
++ struct rt_i2c *i2c = platform_get_drvdata(pdev);
++
++ i2c_del_adapter(&i2c->adap);
++ clk_disable_unprepare(i2c->clk);
++
++ return 0;
++}
++
++static struct platform_driver rt_i2c_driver = {
++ .probe = rt_i2c_probe,
++ .remove = rt_i2c_remove,
++ .driver = {
++ .owner = THIS_MODULE,
++ .name = "i2c-ralink",
++ .of_match_table = i2c_rt_dt_ids,
++ },
++};
++
++static int __init i2c_rt_init (void)
++{
++ return platform_driver_register(&rt_i2c_driver);
++}
++subsys_initcall(i2c_rt_init);
++
++static void __exit i2c_rt_exit (void)
++{
++ platform_driver_unregister(&rt_i2c_driver);
++}
++module_exit(i2c_rt_exit);
++
++MODULE_AUTHOR("Steven Liu <steven_liu@mediatek.com>");
++MODULE_DESCRIPTION("Ralink I2c host driver");
++MODULE_LICENSE("GPL");
++MODULE_ALIAS("platform:Ralink-I2C");
--- /dev/null
+From 23147af14531cbdada194b94120ef8774f46292d Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Thu, 13 Nov 2014 19:08:40 +0100
+Subject: [PATCH 46/53] mmc: MIPS: ralink: add sdhci for mt7620a SoC
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/mmc/host/Kconfig | 2 +
+ drivers/mmc/host/Makefile | 1 +
+ drivers/mmc/host/mtk-mmc/Kconfig | 16 +
+ drivers/mmc/host/mtk-mmc/Makefile | 42 +
+ drivers/mmc/host/mtk-mmc/board.h | 137 ++
+ drivers/mmc/host/mtk-mmc/dbg.c | 347 ++++
+ drivers/mmc/host/mtk-mmc/dbg.h | 156 ++
+ drivers/mmc/host/mtk-mmc/mt6575_sd.h | 1001 +++++++++++
+ drivers/mmc/host/mtk-mmc/sd.c | 3060 ++++++++++++++++++++++++++++++++++
+ 9 files changed, 4762 insertions(+)
+ create mode 100644 drivers/mmc/host/mtk-mmc/Kconfig
+ create mode 100644 drivers/mmc/host/mtk-mmc/Makefile
+ create mode 100644 drivers/mmc/host/mtk-mmc/board.h
+ create mode 100644 drivers/mmc/host/mtk-mmc/dbg.c
+ create mode 100644 drivers/mmc/host/mtk-mmc/dbg.h
+ create mode 100644 drivers/mmc/host/mtk-mmc/mt6575_sd.h
+ create mode 100644 drivers/mmc/host/mtk-mmc/sd.c
+
+--- a/drivers/mmc/host/Kconfig
++++ b/drivers/mmc/host/Kconfig
+@@ -1102,6 +1102,8 @@ config MMC_OWL
+ config MMC_SDHCI_EXTERNAL_DMA
+ bool
+
++source "drivers/mmc/host/mtk-mmc/Kconfig"
++
+ config MMC_LITEX
+ tristate "LiteX MMC Host Controller support"
+ depends on ((PPC_MICROWATT || LITEX) && OF && HAVE_CLK) || COMPILE_TEST
+--- a/drivers/mmc/host/Makefile
++++ b/drivers/mmc/host/Makefile
+@@ -3,6 +3,7 @@
+ # Makefile for MMC/SD host controller drivers
+ #
+
++obj-$(CONFIG_MTK_MMC) += mtk-mmc/
+ obj-$(CONFIG_MMC_ARMMMCI) += armmmci.o
+ armmmci-y := mmci.o
+ armmmci-$(CONFIG_MMC_QCOM_DML) += mmci_qcom_dml.o
--- /dev/null
+From 7f29222b1731e8182ba94a331531dec18865a1e4 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 27 Jul 2014 09:31:47 +0100
+Subject: [PATCH 48/53] asoc: add mt7620 support
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/ralink/of.c | 2 +
+ sound/soc/Kconfig | 1 +
+ sound/soc/Makefile | 1 +
+ sound/soc/ralink/Kconfig | 15 ++
+ sound/soc/ralink/Makefile | 11 +
+ sound/soc/ralink/mt7620-i2s.c | 436 ++++++++++++++++++++++++++++++++++++++
+ sound/soc/ralink/mt7620-wm8960.c | 233 ++++++++++++++++++++
+ 7 files changed, 699 insertions(+)
+ create mode 100644 sound/soc/ralink/Kconfig
+ create mode 100644 sound/soc/ralink/Makefile
+ create mode 100644 sound/soc/ralink/mt7620-i2s.c
+ create mode 100644 sound/soc/ralink/mt7620-wm8960.c
+
+--- a/sound/soc/Kconfig
++++ b/sound/soc/Kconfig
+@@ -86,6 +86,7 @@ source "sound/soc/mxs/Kconfig"
+ source "sound/soc/pxa/Kconfig"
+ source "sound/soc/qcom/Kconfig"
+ source "sound/soc/rockchip/Kconfig"
++source "sound/soc/ralink/Kconfig"
+ source "sound/soc/samsung/Kconfig"
+ source "sound/soc/sh/Kconfig"
+ source "sound/soc/sof/Kconfig"
+--- a/sound/soc/Makefile
++++ b/sound/soc/Makefile
+@@ -54,6 +54,7 @@ obj-$(CONFIG_SND_SOC) += kirkwood/
+ obj-$(CONFIG_SND_SOC) += pxa/
+ obj-$(CONFIG_SND_SOC) += qcom/
+ obj-$(CONFIG_SND_SOC) += rockchip/
++obj-$(CONFIG_SND_SOC) += ralink/
+ obj-$(CONFIG_SND_SOC) += samsung/
+ obj-$(CONFIG_SND_SOC) += sh/
+ obj-$(CONFIG_SND_SOC) += sof/
+--- /dev/null
++++ b/sound/soc/ralink/Kconfig
+@@ -0,0 +1,8 @@
++config SND_RALINK_SOC_I2S
++ depends on RALINK && SND_SOC && !SOC_RT288X
++ select SND_SOC_GENERIC_DMAENGINE_PCM
++ select REGMAP_MMIO
++ tristate "SoC Audio (I2S protocol) for Ralink SoC"
++ help
++ Say Y if you want to use I2S protocol and I2S codec on Ralink/MediaTek
++ based boards.
+--- /dev/null
++++ b/sound/soc/ralink/Makefile
+@@ -0,0 +1,6 @@
++#
++# Ralink/MediaTek Platform Support
++#
++snd-soc-ralink-i2s-objs := ralink-i2s.o
++
++obj-$(CONFIG_SND_RALINK_SOC_I2S) += snd-soc-ralink-i2s.o
+--- /dev/null
++++ b/sound/soc/ralink/ralink-i2s.c
+@@ -0,0 +1,968 @@
++/*
++ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
++ * Copyright (C) 2016 Michael Lee <igvtee@gmail.com>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License as published by the
++ * Free Software Foundation; either version 2 of the License, or (at your
++ * option) any later version.
++ *
++ * You should have received a copy of the GNU General Public License along
++ * with this program; if not, write to the Free Software Foundation, Inc.,
++ * 675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/clk.h>
++#include <linux/regmap.h>
++#include <linux/reset.h>
++#include <linux/debugfs.h>
++#include <linux/of_device.h>
++#include <sound/pcm_params.h>
++#include <sound/dmaengine_pcm.h>
++
++#include <asm/mach-ralink/ralink_regs.h>
++
++#define DRV_NAME "ralink-i2s"
++
++#define I2S_REG_CFG0 0x00
++#define I2S_REG_INT_STATUS 0x04
++#define I2S_REG_INT_EN 0x08
++#define I2S_REG_FF_STATUS 0x0c
++#define I2S_REG_WREG 0x10
++#define I2S_REG_RREG 0x14
++#define I2S_REG_CFG1 0x18
++#define I2S_REG_DIVCMP 0x20
++#define I2S_REG_DIVINT 0x24
++
++/* I2S_REG_CFG0 */
++#define I2S_REG_CFG0_EN BIT(31)
++#define I2S_REG_CFG0_DMA_EN BIT(30)
++#define I2S_REG_CFG0_BYTE_SWAP BIT(28)
++#define I2S_REG_CFG0_TX_EN BIT(24)
++#define I2S_REG_CFG0_RX_EN BIT(20)
++#define I2S_REG_CFG0_SLAVE BIT(16)
++#define I2S_REG_CFG0_RX_THRES 12
++#define I2S_REG_CFG0_TX_THRES 4
++#define I2S_REG_CFG0_THRES_MASK (0xf << I2S_REG_CFG0_RX_THRES) | \
++ (4 << I2S_REG_CFG0_TX_THRES)
++#define I2S_REG_CFG0_DFT_THRES (4 << I2S_REG_CFG0_RX_THRES) | \
++ (4 << I2S_REG_CFG0_TX_THRES)
++/* RT305x */
++#define I2S_REG_CFG0_CLK_DIS BIT(8)
++#define I2S_REG_CFG0_TXCH_SWAP BIT(3)
++#define I2S_REG_CFG0_TXCH1_OFF BIT(2)
++#define I2S_REG_CFG0_TXCH0_OFF BIT(1)
++#define I2S_REG_CFG0_SLAVE_EN BIT(0)
++/* RT3883 */
++#define I2S_REG_CFG0_RXCH_SWAP BIT(11)
++#define I2S_REG_CFG0_RXCH1_OFF BIT(10)
++#define I2S_REG_CFG0_RXCH0_OFF BIT(9)
++#define I2S_REG_CFG0_WS_INV BIT(0)
++/* MT7628 */
++#define I2S_REG_CFG0_FMT_LE BIT(29)
++#define I2S_REG_CFG0_SYS_BE BIT(28)
++#define I2S_REG_CFG0_NORM_24 BIT(18)
++#define I2S_REG_CFG0_DATA_24 BIT(17)
++
++/* I2S_REG_INT_STATUS */
++#define I2S_REG_INT_RX_FAULT BIT(7)
++#define I2S_REG_INT_RX_OVRUN BIT(6)
++#define I2S_REG_INT_RX_UNRUN BIT(5)
++#define I2S_REG_INT_RX_THRES BIT(4)
++#define I2S_REG_INT_TX_FAULT BIT(3)
++#define I2S_REG_INT_TX_OVRUN BIT(2)
++#define I2S_REG_INT_TX_UNRUN BIT(1)
++#define I2S_REG_INT_TX_THRES BIT(0)
++#define I2S_REG_INT_TX_MASK 0xf
++#define I2S_REG_INT_RX_MASK 0xf0
++
++/* I2S_REG_INT_STATUS */
++#define I2S_RX_AVCNT(x) ((x >> 4) & 0xf)
++#define I2S_TX_AVCNT(x) (x & 0xf)
++/* MT7628 */
++#define MT7628_I2S_RX_AVCNT(x) ((x >> 8) & 0x1f)
++#define MT7628_I2S_TX_AVCNT(x) (x & 0x1f)
++
++/* I2S_REG_CFG1 */
++#define I2S_REG_CFG1_LBK BIT(31)
++#define I2S_REG_CFG1_EXTLBK BIT(30)
++/* RT3883 */
++#define I2S_REG_CFG1_LEFT_J BIT(0)
++#define I2S_REG_CFG1_RIGHT_J BIT(1)
++#define I2S_REG_CFG1_FMT_MASK 0x3
++
++/* I2S_REG_DIVCMP */
++#define I2S_REG_DIVCMP_CLKEN BIT(31)
++#define I2S_REG_DIVCMP_DIVCOMP_MASK 0x1ff
++
++/* I2S_REG_DIVINT */
++#define I2S_REG_DIVINT_MASK 0x3ff
++
++/* BCLK dividers */
++#define RALINK_I2S_DIVCMP 0
++#define RALINK_I2S_DIVINT 1
++
++/* FIFO */
++#define RALINK_I2S_FIFO_SIZE 32
++
++/* feature flags */
++#define RALINK_FLAGS_TXONLY BIT(0)
++#define RALINK_FLAGS_LEFT_J BIT(1)
++#define RALINK_FLAGS_RIGHT_J BIT(2)
++#define RALINK_FLAGS_ENDIAN BIT(3)
++#define RALINK_FLAGS_24BIT BIT(4)
++
++#define RALINK_I2S_INT_EN 0
++
++struct ralink_i2s_stats {
++ u32 dmafault;
++ u32 overrun;
++ u32 underrun;
++ u32 belowthres;
++};
++
++struct ralink_i2s {
++ struct device *dev;
++ void __iomem *regs;
++ struct clk *clk;
++ struct regmap *regmap;
++ u32 flags;
++ unsigned int fmt;
++ u16 txdma_req;
++ u16 rxdma_req;
++
++ struct snd_dmaengine_dai_dma_data playback_dma_data;
++ struct snd_dmaengine_dai_dma_data capture_dma_data;
++
++ struct dentry *dbg_dir;
++ struct dentry *dbg_stats;
++ struct ralink_i2s_stats txstats;
++ struct ralink_i2s_stats rxstats;
++};
++
++static void ralink_i2s_dump_regs(struct ralink_i2s *i2s)
++{
++ u32 buf[10];
++ int ret;
++
++ ret = regmap_bulk_read(i2s->regmap, I2S_REG_CFG0,
++ buf, ARRAY_SIZE(buf));
++
++ dev_dbg(i2s->dev, "CFG0: %08x, INTSTAT: %08x, INTEN: %08x, " \
++ "FFSTAT: %08x, WREG: %08x, RREG: %08x, " \
++ "CFG1: %08x, DIVCMP: %08x, DIVINT: %08x\n",
++ buf[0], buf[1], buf[2], buf[3], buf[4],
++ buf[5], buf[6], buf[8], buf[9]);
++}
++
++static int ralink_i2s_set_sysclk(struct snd_soc_dai *dai,
++ int clk_id, unsigned int freq, int dir)
++{
++ return 0;
++}
++
++static int ralink_i2s_set_sys_bclk(struct snd_soc_dai *dai, int width, int rate)
++{
++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
++ unsigned long clk = clk_get_rate(i2s->clk);
++ int div;
++ uint32_t data;
++
++ /* disable clock at slave mode */
++ if ((i2s->fmt & SND_SOC_DAIFMT_MASTER_MASK) ==
++ SND_SOC_DAIFMT_CBM_CFM) {
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_CLK_DIS,
++ I2S_REG_CFG0_CLK_DIS);
++ return 0;
++ }
++
++ /* FREQOUT = FREQIN / (I2S_CLK_DIV + 1) */
++ div = (clk / rate ) - 1;
++
++ data = rt_sysc_r32(0x30);
++ data &= (0xff << 8);
++ data |= (0x1 << 15) | (div << 8);
++ rt_sysc_w32(data, 0x30);
++
++ /* enable clock */
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, I2S_REG_CFG0_CLK_DIS, 0);
++
++ dev_dbg(i2s->dev, "clk: %lu, rate: %u, div: %d\n",
++ clk, rate, div);
++
++ return 0;
++}
++
++static int ralink_i2s_set_bclk(struct snd_soc_dai *dai, int width, int rate)
++{
++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
++ unsigned long clk = clk_get_rate(i2s->clk);
++ int divint, divcomp;
++
++ /* disable clock at slave mode */
++ if ((i2s->fmt & SND_SOC_DAIFMT_MASTER_MASK) ==
++ SND_SOC_DAIFMT_CBM_CFM) {
++ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP,
++ I2S_REG_DIVCMP_CLKEN, 0);
++ return 0;
++ }
++
++ /* FREQOUT = FREQIN * (1/2) * (1/(DIVINT + DIVCOMP/512)) */
++ clk = clk / (2 * 2 * width);
++ divint = clk / rate;
++ divcomp = ((clk % rate) * 512) / rate;
++
++ if ((divint > I2S_REG_DIVINT_MASK) ||
++ (divcomp > I2S_REG_DIVCMP_DIVCOMP_MASK))
++ return -EINVAL;
++
++ regmap_update_bits(i2s->regmap, I2S_REG_DIVINT,
++ I2S_REG_DIVINT_MASK, divint);
++ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP,
++ I2S_REG_DIVCMP_DIVCOMP_MASK, divcomp);
++
++ /* enable clock */
++ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP, I2S_REG_DIVCMP_CLKEN,
++ I2S_REG_DIVCMP_CLKEN);
++
++ dev_dbg(i2s->dev, "clk: %lu, rate: %u, int: %d, comp: %d\n",
++ clk_get_rate(i2s->clk), rate, divint, divcomp);
++
++ return 0;
++}
++
++static int ralink_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
++{
++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
++ unsigned int cfg0 = 0, cfg1 = 0;
++
++ /* set master/slave audio interface */
++ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
++ case SND_SOC_DAIFMT_CBM_CFM:
++ if (i2s->flags & RALINK_FLAGS_TXONLY)
++ cfg0 |= I2S_REG_CFG0_SLAVE_EN;
++ else
++ cfg0 |= I2S_REG_CFG0_SLAVE;
++ break;
++ case SND_SOC_DAIFMT_CBS_CFS:
++ break;
++ default:
++ return -EINVAL;
++ }
++
++ /* interface format */
++ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
++ case SND_SOC_DAIFMT_I2S:
++ break;
++ case SND_SOC_DAIFMT_RIGHT_J:
++ if (i2s->flags & RALINK_FLAGS_RIGHT_J) {
++ cfg1 |= I2S_REG_CFG1_RIGHT_J;
++ break;
++ }
++ return -EINVAL;
++ case SND_SOC_DAIFMT_LEFT_J:
++ if (i2s->flags & RALINK_FLAGS_LEFT_J) {
++ cfg1 |= I2S_REG_CFG1_LEFT_J;
++ break;
++ }
++ return -EINVAL;
++ default:
++ return -EINVAL;
++ }
++
++ /* clock inversion */
++ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
++ case SND_SOC_DAIFMT_NB_NF:
++ break;
++ default:
++ return -EINVAL;
++ }
++
++ if (i2s->flags & RALINK_FLAGS_TXONLY) {
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_SLAVE_EN, cfg0);
++ } else {
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_SLAVE, cfg0);
++ }
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG1,
++ I2S_REG_CFG1_FMT_MASK, cfg1);
++ i2s->fmt = fmt;
++
++ return 0;
++}
++
++static int ralink_i2s_startup(struct snd_pcm_substream *substream,
++ struct snd_soc_dai *dai)
++{
++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
++
++ if (snd_soc_dai_active(dai))
++ return 0;
++
++ /* setup status interrupt */
++#if (RALINK_I2S_INT_EN)
++ regmap_write(i2s->regmap, I2S_REG_INT_EN, 0xff);
++#else
++ regmap_write(i2s->regmap, I2S_REG_INT_EN, 0x0);
++#endif
++
++ /* enable */
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_EN | I2S_REG_CFG0_DMA_EN |
++ I2S_REG_CFG0_THRES_MASK,
++ I2S_REG_CFG0_EN | I2S_REG_CFG0_DMA_EN |
++ I2S_REG_CFG0_DFT_THRES);
++
++ return 0;
++}
++
++static void ralink_i2s_shutdown(struct snd_pcm_substream *substream,
++ struct snd_soc_dai *dai)
++{
++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
++
++ /* If both streams are stopped, disable module and clock */
++ if (snd_soc_dai_active(dai))
++ return;
++
++ /*
++ * datasheet mention when disable all control regs are cleared
++ * to initial values. need reinit at startup.
++ */
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, I2S_REG_CFG0_EN, 0);
++}
++
++static int ralink_i2s_hw_params(struct snd_pcm_substream *substream,
++ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
++{
++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
++ int width;
++ int ret;
++
++ width = params_width(params);
++ switch (width) {
++ case 16:
++ if (i2s->flags & RALINK_FLAGS_24BIT)
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_DATA_24, 0);
++ break;
++ case 24:
++ if (i2s->flags & RALINK_FLAGS_24BIT) {
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_DATA_24,
++ I2S_REG_CFG0_DATA_24);
++ break;
++ }
++ return -EINVAL;
++ default:
++ return -EINVAL;
++ }
++
++ switch (params_channels(params)) {
++ case 2:
++ break;
++ default:
++ return -EINVAL;
++ }
++
++ if (i2s->flags & RALINK_FLAGS_ENDIAN) {
++ /* system endian */
++#ifdef SNDRV_LITTLE_ENDIAN
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_SYS_BE, 0);
++#else
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_SYS_BE,
++ I2S_REG_CFG0_SYS_BE);
++#endif
++
++ /* data endian */
++ switch (params_format(params)) {
++ case SNDRV_PCM_FORMAT_S16_LE:
++ case SNDRV_PCM_FORMAT_S24_LE:
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_FMT_LE,
++ I2S_REG_CFG0_FMT_LE);
++ break;
++ case SNDRV_PCM_FORMAT_S16_BE:
++ case SNDRV_PCM_FORMAT_S24_BE:
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0,
++ I2S_REG_CFG0_FMT_LE, 0);
++ break;
++ default:
++ return -EINVAL;
++ }
++ }
++
++ /* setup bclk rate */
++ if (i2s->flags & RALINK_FLAGS_TXONLY)
++ ret = ralink_i2s_set_sys_bclk(dai, width, params_rate(params));
++ else
++ ret = ralink_i2s_set_bclk(dai, width, params_rate(params));
++
++ return ret;
++}
++
++static int ralink_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
++ struct snd_soc_dai *dai)
++{
++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
++ unsigned int mask, val;
++
++ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
++ mask = I2S_REG_CFG0_TX_EN;
++ else
++ mask = I2S_REG_CFG0_RX_EN;
++
++ switch (cmd) {
++ case SNDRV_PCM_TRIGGER_START:
++ case SNDRV_PCM_TRIGGER_RESUME:
++ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
++ val = mask;
++ break;
++ case SNDRV_PCM_TRIGGER_STOP:
++ case SNDRV_PCM_TRIGGER_SUSPEND:
++ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
++ val = 0;
++ break;
++ default:
++ return -EINVAL;
++ }
++
++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, mask, val);
++
++ return 0;
++}
++
++static void ralink_i2s_init_dma_data(struct ralink_i2s *i2s,
++ struct resource *res)
++{
++ struct snd_dmaengine_dai_dma_data *dma_data;
++
++ /* Playback */
++ dma_data = &i2s->playback_dma_data;
++ dma_data->addr = res->start + I2S_REG_WREG;
++ dma_data->addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
++ dma_data->maxburst = 1;
++
++ if (i2s->flags & RALINK_FLAGS_TXONLY)
++ return;
++
++ /* Capture */
++ dma_data = &i2s->capture_dma_data;
++ dma_data->addr = res->start + I2S_REG_RREG;
++ dma_data->addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
++ dma_data->maxburst = 1;
++}
++
++static int ralink_i2s_dai_probe(struct snd_soc_dai *dai)
++{
++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai);
++
++ snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data,
++ &i2s->capture_dma_data);
++
++ return 0;
++}
++
++static int ralink_i2s_dai_remove(struct snd_soc_dai *dai)
++{
++ return 0;
++}
++
++static const struct snd_soc_dai_ops ralink_i2s_dai_ops = {
++ .set_sysclk = ralink_i2s_set_sysclk,
++ .set_fmt = ralink_i2s_set_fmt,
++ .startup = ralink_i2s_startup,
++ .shutdown = ralink_i2s_shutdown,
++ .hw_params = ralink_i2s_hw_params,
++ .trigger = ralink_i2s_trigger,
++};
++
++static struct snd_soc_dai_driver ralink_i2s_dai = {
++ .name = DRV_NAME,
++ .probe = ralink_i2s_dai_probe,
++ .remove = ralink_i2s_dai_remove,
++ .ops = &ralink_i2s_dai_ops,
++ .capture = {
++ .stream_name = "I2S Capture",
++ .channels_min = 2,
++ .channels_max = 2,
++ .rate_min = 5512,
++ .rate_max = 192000,
++ .rates = SNDRV_PCM_RATE_CONTINUOUS,
++ .formats = SNDRV_PCM_FMTBIT_S16_LE,
++ },
++ .playback = {
++ .stream_name = "I2S Playback",
++ .channels_min = 2,
++ .channels_max = 2,
++ .rate_min = 5512,
++ .rate_max = 192000,
++ .rates = SNDRV_PCM_RATE_CONTINUOUS,
++ .formats = SNDRV_PCM_FMTBIT_S16_LE,
++ },
++ .symmetric_rate = 1,
++};
++
++static struct snd_pcm_hardware ralink_pcm_hardware = {
++ .info = SNDRV_PCM_INFO_MMAP |
++ SNDRV_PCM_INFO_MMAP_VALID |
++ SNDRV_PCM_INFO_INTERLEAVED |
++ SNDRV_PCM_INFO_BLOCK_TRANSFER,
++ .formats = SNDRV_PCM_FMTBIT_S16_LE,
++ .channels_min = 2,
++ .channels_max = 2,
++ .period_bytes_min = PAGE_SIZE,
++ .period_bytes_max = PAGE_SIZE * 2,
++ .periods_min = 2,
++ .periods_max = 128,
++ .buffer_bytes_max = 128 * 1024,
++ .fifo_size = RALINK_I2S_FIFO_SIZE,
++};
++
++static const struct snd_dmaengine_pcm_config ralink_dmaengine_pcm_config = {
++ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
++ .pcm_hardware = &ralink_pcm_hardware,
++ .prealloc_buffer_size = 256 * PAGE_SIZE,
++};
++
++static const struct snd_soc_component_driver ralink_i2s_component = {
++ .name = DRV_NAME,
++};
++
++static bool ralink_i2s_readable_reg(struct device *dev, unsigned int reg)
++{
++ return true;
++}
++
++static bool ralink_i2s_volatile_reg(struct device *dev, unsigned int reg)
++{
++ switch (reg) {
++ case I2S_REG_INT_STATUS:
++ case I2S_REG_FF_STATUS:
++ return true;
++ }
++ return false;
++}
++
++static bool ralink_i2s_writeable_reg(struct device *dev, unsigned int reg)
++{
++ switch (reg) {
++ case I2S_REG_FF_STATUS:
++ case I2S_REG_RREG:
++ return false;
++ }
++ return true;
++}
++
++static const struct regmap_config ralink_i2s_regmap_config = {
++ .reg_bits = 32,
++ .reg_stride = 4,
++ .val_bits = 32,
++ .writeable_reg = ralink_i2s_writeable_reg,
++ .readable_reg = ralink_i2s_readable_reg,
++ .volatile_reg = ralink_i2s_volatile_reg,
++ .max_register = I2S_REG_DIVINT,
++};
++
++#if (RALINK_I2S_INT_EN)
++static irqreturn_t ralink_i2s_irq(int irq, void *devid)
++{
++ struct ralink_i2s *i2s = devid;
++ u32 status;
++
++ regmap_read(i2s->regmap, I2S_REG_INT_STATUS, &status);
++ if (unlikely(!status))
++ return IRQ_NONE;
++
++ /* tx stats */
++ if (status & I2S_REG_INT_TX_MASK) {
++ if (status & I2S_REG_INT_TX_THRES)
++ i2s->txstats.belowthres++;
++ if (status & I2S_REG_INT_TX_UNRUN)
++ i2s->txstats.underrun++;
++ if (status & I2S_REG_INT_TX_OVRUN)
++ i2s->txstats.overrun++;
++ if (status & I2S_REG_INT_TX_FAULT)
++ i2s->txstats.dmafault++;
++ }
++
++ /* rx stats */
++ if (status & I2S_REG_INT_RX_MASK) {
++ if (status & I2S_REG_INT_RX_THRES)
++ i2s->rxstats.belowthres++;
++ if (status & I2S_REG_INT_RX_UNRUN)
++ i2s->rxstats.underrun++;
++ if (status & I2S_REG_INT_RX_OVRUN)
++ i2s->rxstats.overrun++;
++ if (status & I2S_REG_INT_RX_FAULT)
++ i2s->rxstats.dmafault++;
++ }
++
++ /* clean status bits */
++ regmap_write(i2s->regmap, I2S_REG_INT_STATUS, status);
++
++ return IRQ_HANDLED;
++}
++#endif
++
++#if IS_ENABLED(CONFIG_DEBUG_FS)
++static int ralink_i2s_stats_show(struct seq_file *s, void *unused)
++{
++ struct ralink_i2s *i2s = s->private;
++
++ seq_printf(s, "tx stats\n");
++ seq_printf(s, "\tbelow threshold\t%u\n", i2s->txstats.belowthres);
++ seq_printf(s, "\tunder run\t%u\n", i2s->txstats.underrun);
++ seq_printf(s, "\tover run\t%u\n", i2s->txstats.overrun);
++ seq_printf(s, "\tdma fault\t%u\n", i2s->txstats.dmafault);
++
++ seq_printf(s, "rx stats\n");
++ seq_printf(s, "\tbelow threshold\t%u\n", i2s->rxstats.belowthres);
++ seq_printf(s, "\tunder run\t%u\n", i2s->rxstats.underrun);
++ seq_printf(s, "\tover run\t%u\n", i2s->rxstats.overrun);
++ seq_printf(s, "\tdma fault\t%u\n", i2s->rxstats.dmafault);
++
++ ralink_i2s_dump_regs(i2s);
++
++ return 0;
++}
++
++static int ralink_i2s_stats_open(struct inode *inode, struct file *file)
++{
++ return single_open(file, ralink_i2s_stats_show, inode->i_private);
++}
++
++static const struct file_operations ralink_i2s_stats_ops = {
++ .open = ralink_i2s_stats_open,
++ .read = seq_read,
++ .llseek = seq_lseek,
++ .release = single_release,
++};
++
++static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s)
++{
++ i2s->dbg_dir = debugfs_create_dir(dev_name(i2s->dev), NULL);
++ if (!i2s->dbg_dir)
++ return -ENOMEM;
++
++ i2s->dbg_stats = debugfs_create_file("stats", S_IRUGO,
++ i2s->dbg_dir, i2s, &ralink_i2s_stats_ops);
++ if (!i2s->dbg_stats) {
++ debugfs_remove(i2s->dbg_dir);
++ return -ENOMEM;
++ }
++
++ return 0;
++}
++
++static inline void ralink_i2s_debugfs_remove(struct ralink_i2s *i2s)
++{
++ debugfs_remove(i2s->dbg_stats);
++ debugfs_remove(i2s->dbg_dir);
++}
++#else
++static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s)
++{
++ return 0;
++}
++
++static inline void ralink_i2s_debugfs_remove(struct ralink_i2s *i2s)
++{
++}
++#endif
++
++/*
++ * TODO: these refclk setup functions should use
++ * clock framework instead. hardcode it now.
++ */
++static void rt3350_refclk_setup(void)
++{
++ uint32_t data;
++
++ /* set refclk output 12Mhz clock */
++ data = rt_sysc_r32(0x2c);
++ data |= (0x1 << 8);
++ rt_sysc_w32(data, 0x2c);
++}
++
++static void rt3883_refclk_setup(void)
++{
++ uint32_t data;
++
++ /* set refclk output 12Mhz clock */
++ data = rt_sysc_r32(0x2c);
++ data &= ~(0x3 << 13);
++ data |= (0x1 << 13);
++ rt_sysc_w32(data, 0x2c);
++}
++
++static void rt3552_refclk_setup(void)
++{
++ uint32_t data;
++
++ /* set refclk output 12Mhz clock */
++ data = rt_sysc_r32(0x2c);
++ data &= ~(0xf << 8);
++ data |= (0x3 << 8);
++ rt_sysc_w32(data, 0x2c);
++}
++
++static void mt7620_refclk_setup(void)
++{
++ uint32_t data;
++
++ /* set refclk output 12Mhz clock */
++ data = rt_sysc_r32(0x2c);
++ data &= ~(0x7 << 9);
++ data |= 0x1 << 9;
++ rt_sysc_w32(data, 0x2c);
++}
++
++static void mt7621_refclk_setup(void)
++{
++ uint32_t data;
++
++ /* set refclk output 12Mhz clock */
++ data = rt_sysc_r32(0x2c);
++ data &= ~(0x1f << 18);
++ data |= (0x19 << 18);
++ data &= ~(0x1f << 12);
++ data |= (0x1 << 12);
++ data &= ~(0x7 << 9);
++ data |= (0x5 << 9);
++ rt_sysc_w32(data, 0x2c);
++}
++
++static void mt7628_refclk_setup(void)
++{
++ uint32_t data;
++
++ /* set i2s and refclk digital pad */
++ data = rt_sysc_r32(0x3c);
++ data |= 0x1f;
++ rt_sysc_w32(data, 0x3c);
++
++ /* Adjust REFCLK0's driving strength */
++ data = rt_sysc_r32(0x1354);
++ data &= ~(0x1 << 5);
++ rt_sysc_w32(data, 0x1354);
++ data = rt_sysc_r32(0x1364);
++ data |= ~(0x1 << 5);
++ rt_sysc_w32(data, 0x1364);
++
++ /* set refclk output 12Mhz clock */
++ data = rt_sysc_r32(0x2c);
++ data &= ~(0x7 << 9);
++ data |= 0x1 << 9;
++ rt_sysc_w32(data, 0x2c);
++}
++
++struct rt_i2s_data {
++ u32 flags;
++ void (*refclk_setup)(void);
++};
++
++struct rt_i2s_data rt3050_i2s_data = { .flags = RALINK_FLAGS_TXONLY };
++struct rt_i2s_data rt3350_i2s_data = { .flags = RALINK_FLAGS_TXONLY,
++ .refclk_setup = rt3350_refclk_setup };
++struct rt_i2s_data rt3883_i2s_data = {
++ .flags = (RALINK_FLAGS_LEFT_J | RALINK_FLAGS_RIGHT_J),
++ .refclk_setup = rt3883_refclk_setup };
++struct rt_i2s_data rt3352_i2s_data = { .refclk_setup = rt3552_refclk_setup};
++struct rt_i2s_data mt7620_i2s_data = { .refclk_setup = mt7620_refclk_setup};
++struct rt_i2s_data mt7621_i2s_data = { .refclk_setup = mt7621_refclk_setup};
++struct rt_i2s_data mt7628_i2s_data = {
++ .flags = (RALINK_FLAGS_ENDIAN | RALINK_FLAGS_24BIT |
++ RALINK_FLAGS_LEFT_J),
++ .refclk_setup = mt7628_refclk_setup};
++
++static const struct of_device_id ralink_i2s_match_table[] = {
++ { .compatible = "ralink,rt3050-i2s",
++ .data = (void *)&rt3050_i2s_data },
++ { .compatible = "ralink,rt3350-i2s",
++ .data = (void *)&rt3350_i2s_data },
++ { .compatible = "ralink,rt3883-i2s",
++ .data = (void *)&rt3883_i2s_data },
++ { .compatible = "ralink,rt3352-i2s",
++ .data = (void *)&rt3352_i2s_data },
++ { .compatible = "mediatek,mt7620-i2s",
++ .data = (void *)&mt7620_i2s_data },
++ { .compatible = "mediatek,mt7621-i2s",
++ .data = (void *)&mt7621_i2s_data },
++ { .compatible = "mediatek,mt7628-i2s",
++ .data = (void *)&mt7628_i2s_data },
++ {},
++};
++MODULE_DEVICE_TABLE(of, ralink_i2s_match_table);
++
++static int ralink_i2s_probe(struct platform_device *pdev)
++{
++ const struct of_device_id *match;
++ struct device_node *np = pdev->dev.of_node;
++ struct ralink_i2s *i2s;
++ struct resource *res;
++ int irq, ret;
++ u32 dma_req;
++ struct rt_i2s_data *data;
++
++ i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
++ if (!i2s)
++ return -ENOMEM;
++
++ platform_set_drvdata(pdev, i2s);
++ i2s->dev = &pdev->dev;
++
++ match = of_match_device(ralink_i2s_match_table, &pdev->dev);
++ if (!match)
++ return -EINVAL;
++ data = (struct rt_i2s_data *)match->data;
++ i2s->flags = data->flags;
++ /* setup out 12Mhz refclk to codec as mclk */
++ if (data->refclk_setup)
++ data->refclk_setup();
++
++ if (of_property_read_u32(np, "txdma-req", &dma_req)) {
++ dev_err(&pdev->dev, "no txdma-req define\n");
++ return -EINVAL;
++ }
++ i2s->txdma_req = (u16)dma_req;
++ if (!(i2s->flags & RALINK_FLAGS_TXONLY)) {
++ if (of_property_read_u32(np, "rxdma-req", &dma_req)) {
++ dev_err(&pdev->dev, "no rxdma-req define\n");
++ return -EINVAL;
++ }
++ i2s->rxdma_req = (u16)dma_req;
++ }
++
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ i2s->regs = devm_ioremap_resource(&pdev->dev, res);
++ if (IS_ERR(i2s->regs))
++ return PTR_ERR(i2s->regs);
++
++ i2s->regmap = devm_regmap_init_mmio(&pdev->dev, i2s->regs,
++ &ralink_i2s_regmap_config);
++ if (IS_ERR(i2s->regmap)) {
++ dev_err(&pdev->dev, "regmap init failed\n");
++ return PTR_ERR(i2s->regmap);
++ }
++
++ irq = platform_get_irq(pdev, 0);
++ if (irq < 0) {
++ dev_err(&pdev->dev, "failed to get irq\n");
++ return -EINVAL;
++ }
++
++#if (RALINK_I2S_INT_EN)
++ ret = devm_request_irq(&pdev->dev, irq, ralink_i2s_irq,
++ 0, dev_name(&pdev->dev), i2s);
++ if (ret) {
++ dev_err(&pdev->dev, "failed to request irq\n");
++ return ret;
++ }
++#endif
++
++ i2s->clk = devm_clk_get(&pdev->dev, NULL);
++ if (IS_ERR(i2s->clk)) {
++ dev_err(&pdev->dev, "no clock defined\n");
++ return PTR_ERR(i2s->clk);
++ }
++
++ ret = clk_prepare_enable(i2s->clk);
++ if (ret)
++ return ret;
++
++ ralink_i2s_init_dma_data(i2s, res);
++
++ ret = device_reset(&pdev->dev);
++ if (ret) {
++ dev_err(&pdev->dev, "failed to reset device\n");
++ goto err_clk_disable;
++ }
++
++ ret = ralink_i2s_debugfs_create(i2s);
++ if (ret) {
++ dev_err(&pdev->dev, "create debugfs failed\n");
++ goto err_clk_disable;
++ }
++
++ /* enable 24bits support */
++ if (i2s->flags & RALINK_FLAGS_24BIT) {
++ ralink_i2s_dai.capture.formats |= SNDRV_PCM_FMTBIT_S24_LE;
++ ralink_i2s_dai.playback.formats |= SNDRV_PCM_FMTBIT_S24_LE;
++ }
++
++ /* enable big endian support */
++ if (i2s->flags & RALINK_FLAGS_ENDIAN) {
++ ralink_i2s_dai.capture.formats |= SNDRV_PCM_FMTBIT_S16_BE;
++ ralink_i2s_dai.playback.formats |= SNDRV_PCM_FMTBIT_S16_BE;
++ ralink_pcm_hardware.formats |= SNDRV_PCM_FMTBIT_S16_BE;
++ if (i2s->flags & RALINK_FLAGS_24BIT) {
++ ralink_i2s_dai.capture.formats |=
++ SNDRV_PCM_FMTBIT_S24_BE;
++ ralink_i2s_dai.playback.formats |=
++ SNDRV_PCM_FMTBIT_S24_BE;
++ ralink_pcm_hardware.formats |=
++ SNDRV_PCM_FMTBIT_S24_BE;
++ }
++ }
++
++ /* disable capture support */
++ if (i2s->flags & RALINK_FLAGS_TXONLY)
++ memset(&ralink_i2s_dai.capture, sizeof(ralink_i2s_dai.capture),
++ 0);
++
++ ret = devm_snd_soc_register_component(&pdev->dev, &ralink_i2s_component,
++ &ralink_i2s_dai, 1);
++ if (ret)
++ goto err_debugfs;
++
++ ret = devm_snd_dmaengine_pcm_register(&pdev->dev,
++ &ralink_dmaengine_pcm_config,
++ SND_DMAENGINE_PCM_FLAG_COMPAT);
++ if (ret)
++ goto err_debugfs;
++
++ dev_info(i2s->dev, "mclk %luMHz\n", clk_get_rate(i2s->clk) / 1000000);
++
++ return 0;
++
++err_debugfs:
++ ralink_i2s_debugfs_remove(i2s);
++
++err_clk_disable:
++ clk_disable_unprepare(i2s->clk);
++
++ return ret;
++}
++
++static int ralink_i2s_remove(struct platform_device *pdev)
++{
++ struct ralink_i2s *i2s = platform_get_drvdata(pdev);
++
++ ralink_i2s_debugfs_remove(i2s);
++ clk_disable_unprepare(i2s->clk);
++
++ return 0;
++}
++
++static struct platform_driver ralink_i2s_driver = {
++ .probe = ralink_i2s_probe,
++ .remove = ralink_i2s_remove,
++ .driver = {
++ .name = DRV_NAME,
++ .of_match_table = ralink_i2s_match_table,
++ },
++};
++module_platform_driver(ralink_i2s_driver);
++
++MODULE_AUTHOR("Lars-Peter Clausen, <lars@metafoo.de>");
++MODULE_DESCRIPTION("Ralink/MediaTek I2S driver");
++MODULE_LICENSE("GPL");
++MODULE_ALIAS("platform:" DRV_NAME);
--- /dev/null
+From a7eb46e0ea4a11e4dfb56ab129bf816d1059a6c5 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 7 Dec 2015 17:31:08 +0100
+Subject: [PATCH 51/53] serial: add ugly custom baud rate hack
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/tty/serial/serial_core.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+--- a/drivers/tty/serial/serial_core.c
++++ b/drivers/tty/serial/serial_core.c
+@@ -445,6 +445,9 @@ uart_get_baud_rate(struct uart_port *por
+ break;
+ }
+
++ if (tty_termios_baud_rate(termios) == 2500000)
++ return 250000;
++
+ for (try = 0; try < 2; try++) {
+ baud = tty_termios_baud_rate(termios);
+
--- /dev/null
+From fc8f96309c21c1bc3276427309cd7d361347d66e Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 7 Dec 2015 17:16:50 +0100
+Subject: [PATCH 52/53] pwm: add mediatek support
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/pwm/Kconfig | 9 +++
+ drivers/pwm/Makefile | 1 +
+ drivers/pwm/pwm-mediatek.c | 173 ++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 183 insertions(+)
+ create mode 100644 drivers/pwm/pwm-mediatek.c
+
+--- a/drivers/pwm/Kconfig
++++ b/drivers/pwm/Kconfig
+@@ -393,6 +393,15 @@ config PWM_MEDIATEK
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-mediatek.
+
++config PWM_MEDIATEK_RAMIPS
++ tristate "Mediatek PWM support"
++ depends on RALINK && OF
++ help
++ Generic PWM framework driver for Mediatek ARM SoC.
++
++ To compile this driver as a module, choose M here: the module
++ will be called pwm-mxs.
++
+ config PWM_MXS
+ tristate "Freescale MXS PWM support"
+ depends on ARCH_MXS || COMPILE_TEST
+--- a/drivers/pwm/Makefile
++++ b/drivers/pwm/Makefile
+@@ -34,6 +34,7 @@ obj-$(CONFIG_PWM_LPSS_PCI) += pwm-lpss-p
+ obj-$(CONFIG_PWM_LPSS_PLATFORM) += pwm-lpss-platform.o
+ obj-$(CONFIG_PWM_MESON) += pwm-meson.o
+ obj-$(CONFIG_PWM_MEDIATEK) += pwm-mediatek.o
++obj-$(CONFIG_PWM_MEDIATEK_RAMIPS) += pwm-mediatek-ramips.o
+ obj-$(CONFIG_PWM_MTK_DISP) += pwm-mtk-disp.o
+ obj-$(CONFIG_PWM_MXS) += pwm-mxs.o
+ obj-$(CONFIG_PWM_NTXEC) += pwm-ntxec.o
+--- /dev/null
++++ b/drivers/pwm/pwm-mediatek-ramips.c
+@@ -0,0 +1,197 @@
++/*
++ * Mediatek Pulse Width Modulator driver
++ *
++ * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
++ *
++ * This file is licensed under the terms of the GNU General Public
++ * License version 2. This program is licensed "as is" without any
++ * warranty of any kind, whether express or implied.
++ */
++
++#include <linux/err.h>
++#include <linux/io.h>
++#include <linux/ioport.h>
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/of.h>
++#include <linux/platform_device.h>
++#include <linux/pwm.h>
++#include <linux/slab.h>
++#include <linux/types.h>
++
++#define NUM_PWM 4
++
++/* PWM registers and bits definitions */
++#define PWMCON 0x00
++#define PWMHDUR 0x04
++#define PWMLDUR 0x08
++#define PWMGDUR 0x0c
++#define PWMWAVENUM 0x28
++#define PWMDWIDTH 0x2c
++#define PWMTHRES 0x30
++
++/**
++ * struct mtk_pwm_chip - struct representing pwm chip
++ *
++ * @mmio_base: base address of pwm chip
++ * @chip: linux pwm chip representation
++ */
++struct mtk_pwm_chip {
++ void __iomem *mmio_base;
++ struct pwm_chip chip;
++};
++
++static inline struct mtk_pwm_chip *to_mtk_pwm_chip(struct pwm_chip *chip)
++{
++ return container_of(chip, struct mtk_pwm_chip, chip);
++}
++
++static inline u32 mtk_pwm_readl(struct mtk_pwm_chip *chip, unsigned int num,
++ unsigned long offset)
++{
++ return ioread32(chip->mmio_base + 0x10 + (num * 0x40) + offset);
++}
++
++static inline void mtk_pwm_writel(struct mtk_pwm_chip *chip,
++ unsigned int num, unsigned long offset,
++ unsigned long val)
++{
++ iowrite32(val, chip->mmio_base + 0x10 + (num * 0x40) + offset);
++}
++
++static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
++ int duty_ns, int period_ns)
++{
++ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
++ u32 resolution = 100 / 4;
++ u32 clkdiv = 0;
++
++ while (period_ns / resolution > 8191) {
++ clkdiv++;
++ resolution *= 2;
++ }
++
++ if (clkdiv > 7)
++ return -1;
++
++ mtk_pwm_writel(pc, pwm->hwpwm, PWMCON, BIT(15) | BIT(3) | clkdiv);
++ mtk_pwm_writel(pc, pwm->hwpwm, PWMDWIDTH, period_ns / resolution);
++ mtk_pwm_writel(pc, pwm->hwpwm, PWMTHRES, duty_ns / resolution);
++ return 0;
++}
++
++static int mtk_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
++{
++ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
++ u32 val;
++
++ val = ioread32(pc->mmio_base);
++ val |= BIT(pwm->hwpwm);
++ iowrite32(val, pc->mmio_base);
++
++ return 0;
++}
++
++static void mtk_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
++{
++ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
++ u32 val;
++
++ val = ioread32(pc->mmio_base);
++ val &= ~BIT(pwm->hwpwm);
++ iowrite32(val, pc->mmio_base);
++}
++
++static int mtk_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
++ const struct pwm_state *state)
++{
++ int err;
++ bool enabled = pwm->state.enabled;
++
++ if (!state->enabled) {
++ if (enabled)
++ mtk_pwm_disable(chip, pwm);
++
++ return 0;
++ }
++
++ err = mtk_pwm_config(pwm->chip, pwm,
++ state->duty_cycle, state->period);
++ if (err)
++ return err;
++
++ if (!enabled)
++ err = mtk_pwm_enable(chip, pwm);
++
++ return err;
++}
++
++static const struct pwm_ops mtk_pwm_ops = {
++ .apply = mtk_pwm_apply,
++ .owner = THIS_MODULE,
++};
++
++static int mtk_pwm_probe(struct platform_device *pdev)
++{
++ struct mtk_pwm_chip *pc;
++ struct resource *r;
++ int ret;
++
++ pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);
++ if (!pc)
++ return -ENOMEM;
++
++ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ pc->mmio_base = devm_ioremap_resource(&pdev->dev, r);
++ if (IS_ERR(pc->mmio_base))
++ return PTR_ERR(pc->mmio_base);
++
++ platform_set_drvdata(pdev, pc);
++
++ pc->chip.dev = &pdev->dev;
++ pc->chip.ops = &mtk_pwm_ops;
++ pc->chip.base = -1;
++ pc->chip.npwm = NUM_PWM;
++
++ ret = pwmchip_add(&pc->chip);
++ if (ret < 0)
++ dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
++
++ return ret;
++}
++
++static int mtk_pwm_remove(struct platform_device *pdev)
++{
++ struct mtk_pwm_chip *pc = platform_get_drvdata(pdev);
++ int i;
++
++ for (i = 0; i < NUM_PWM; i++)
++ pwm_disable(&pc->chip.pwms[i]);
++
++ pwmchip_remove(&pc->chip);
++
++ return 0;
++}
++
++static const struct of_device_id mtk_pwm_of_match[] = {
++ { .compatible = "mediatek,mt7628-pwm" },
++ { }
++};
++
++MODULE_DEVICE_TABLE(of, mtk_pwm_of_match);
++
++static struct platform_driver mtk_pwm_driver = {
++ .driver = {
++ .name = "mtk-pwm",
++ .owner = THIS_MODULE,
++ .of_match_table = mtk_pwm_of_match,
++ },
++ .probe = mtk_pwm_probe,
++ .remove = mtk_pwm_remove,
++};
++
++module_platform_driver(mtk_pwm_driver);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
++MODULE_ALIAS("platform:mtk-pwm");
--- /dev/null
+--- a/drivers/usb/dwc2/platform.c
++++ b/drivers/usb/dwc2/platform.c
+@@ -462,6 +462,12 @@ static int dwc2_driver_probe(struct plat
+ if (retval)
+ return retval;
+
++ /* Enable USB port before any regs access */
++ if (readl(hsotg->regs + PCGCTL) & 0x0f) {
++ writel(0x00, hsotg->regs + PCGCTL);
++ /* TODO: mdelay(25) here? vendor driver don't use it */
++ }
++
+ hsotg->needs_byte_swap = dwc2_check_core_endianness(hsotg);
+
+ retval = dwc2_get_dr_mode(hsotg);
--- /dev/null
+--- a/drivers/misc/Makefile
++++ b/drivers/misc/Makefile
+@@ -50,6 +50,7 @@ obj-$(CONFIG_ECHO) += echo/
+ obj-$(CONFIG_CXL_BASE) += cxl/
+ obj-$(CONFIG_DW_XDATA_PCIE) += dw-xdata-pcie.o
+ obj-$(CONFIG_PCI_ENDPOINT_TEST) += pci_endpoint_test.o
++obj-$(CONFIG_SOC_MT7620) += linkit.o
+ obj-$(CONFIG_OCXL) += ocxl/
+ obj-$(CONFIG_BCM_VK) += bcm-vk/
+ obj-y += cardreader/
+--- /dev/null
++++ b/drivers/misc/linkit.c
+@@ -0,0 +1,84 @@
++/*
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * publishhed by the Free Software Foundation.
++ *
++ * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
++ */
++
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/of.h>
++#include <linux/mtd/mtd.h>
++#include <linux/gpio.h>
++
++#define LINKIT_LATCH_GPIO 11
++
++struct linkit_hw_data {
++ char board[16];
++ char rev[16];
++};
++
++static void sanify_string(char *s)
++{
++ int i;
++
++ for (i = 0; i < 15; i++)
++ if (s[i] <= 0x20)
++ s[i] = '\0';
++ s[15] = '\0';
++}
++
++static int linkit_probe(struct platform_device *pdev)
++{
++ struct linkit_hw_data hw;
++ struct mtd_info *mtd;
++ size_t retlen;
++ int ret;
++
++ mtd = get_mtd_device_nm("factory");
++ if (IS_ERR(mtd))
++ return PTR_ERR(mtd);
++
++ ret = mtd_read(mtd, 0x400, sizeof(hw), &retlen, (u_char *) &hw);
++ put_mtd_device(mtd);
++
++ sanify_string(hw.board);
++ sanify_string(hw.rev);
++
++ dev_info(&pdev->dev, "Version : %s\n", hw.board);
++ dev_info(&pdev->dev, "Revision : %s\n", hw.rev);
++
++ if (!strcmp(hw.board, "LINKITS7688")) {
++ dev_info(&pdev->dev, "setting up bootstrap latch\n");
++
++ if (devm_gpio_request(&pdev->dev, LINKIT_LATCH_GPIO, "bootstrap")) {
++ dev_err(&pdev->dev, "failed to setup bootstrap gpio\n");
++ return -1;
++ }
++ gpio_direction_output(LINKIT_LATCH_GPIO, 0);
++ }
++
++ return 0;
++}
++
++static const struct of_device_id linkit_match[] = {
++ { .compatible = "mediatek,linkit" },
++ {},
++};
++MODULE_DEVICE_TABLE(of, linkit_match);
++
++static struct platform_driver linkit_driver = {
++ .probe = linkit_probe,
++ .driver = {
++ .name = "mtk-linkit",
++ .owner = THIS_MODULE,
++ .of_match_table = linkit_match,
++ },
++};
++
++int __init linkit_init(void)
++{
++ return platform_driver_register(&linkit_driver);
++}
++late_initcall_sync(linkit_init);
--- /dev/null
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/Kconfig
+@@ -0,0 +1,64 @@
++# SPDX-License-Identifier: GPL-2.0
++config CRYPTO_DEV_EIP93_SKCIPHER
++ tristate
++
++config CRYPTO_DEV_EIP93_HMAC
++ tristate
++
++config CRYPTO_DEV_EIP93
++ tristate "Support for EIP93 crypto HW accelerators"
++ depends on SOC_MT7621 || COMPILE_TEST
++ help
++ EIP93 have various crypto HW accelerators. Select this if
++ you want to use the EIP93 modules for any of the crypto algorithms.
++
++if CRYPTO_DEV_EIP93
++
++config CRYPTO_DEV_EIP93_AES
++ bool "Register AES algorithm implementations with the Crypto API"
++ default y
++ select CRYPTO_DEV_EIP93_SKCIPHER
++ select CRYPTO_LIB_AES
++ select CRYPTO_SKCIPHER
++ help
++ Selecting this will offload AES - ECB, CBC and CTR crypto
++ to the EIP-93 crypto engine.
++
++config CRYPTO_DEV_EIP93_DES
++ bool "Register legacy DES / 3DES algorithm with the Crypto API"
++ default y
++ select CRYPTO_DEV_EIP93_SKCIPHER
++ select CRYPTO_LIB_DES
++ select CRYPTO_SKCIPHER
++ help
++ Selecting this will offload DES and 3DES ECB and CBC
++ crypto to the EIP-93 crypto engine.
++
++config CRYPTO_DEV_EIP93_AEAD
++ bool "Register AEAD algorithm with the Crypto API"
++ default y
++ select CRYPTO_DEV_EIP93_HMAC
++ select CRYPTO_AEAD
++ select CRYPTO_AUTHENC
++ select CRYPTO_MD5
++ select CRYPTO_SHA1
++ select CRYPTO_SHA256
++ help
++ Selecting this will offload AEAD authenc(hmac(x), cipher(y))
++ crypto to the EIP-93 crypto engine.
++
++config CRYPTO_DEV_EIP93_GENERIC_SW_MAX_LEN
++ int "Max skcipher software fallback length"
++ default 256
++ help
++ Max length of crypt request which
++ will fallback to software crypt of skcipher *except* AES-128.
++
++config CRYPTO_DEV_EIP93_AES_128_SW_MAX_LEN
++ int "Max AES-128 skcipher software fallback length"
++ default 512
++ help
++ Max length of crypt request which
++ will fallback to software crypt of AES-128 skcipher.
++
++endif
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/Makefile
+@@ -0,0 +1,7 @@
++obj-$(CONFIG_CRYPTO_DEV_EIP93) += crypto-hw-eip93.o
++
++crypto-hw-eip93-y += eip93-main.o eip93-common.o
++
++crypto-hw-eip93-$(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER) += eip93-cipher.o
++crypto-hw-eip93-$(CONFIG_CRYPTO_DEV_EIP93_AEAD) += eip93-aead.o
++
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-aead.c
+@@ -0,0 +1,768 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++
++#include <crypto/aead.h>
++#include <crypto/aes.h>
++#include <crypto/authenc.h>
++#include <crypto/ctr.h>
++#include <crypto/hmac.h>
++#include <crypto/internal/aead.h>
++#include <crypto/md5.h>
++#include <crypto/null.h>
++#include <crypto/sha1.h>
++#include <crypto/sha2.h>
++
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++#include <crypto/internal/des.h>
++#endif
++
++#include <linux/crypto.h>
++#include <linux/dma-mapping.h>
++
++#include "eip93-aead.h"
++#include "eip93-cipher.h"
++#include "eip93-common.h"
++#include "eip93-regs.h"
++
++void mtk_aead_handle_result(struct crypto_async_request *async, int err)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm);
++ struct mtk_device *mtk = ctx->mtk;
++ struct aead_request *req = aead_request_cast(async);
++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
++
++ mtk_unmap_dma(mtk, rctx, req->src, req->dst);
++ mtk_handle_result(mtk, rctx, req->iv);
++
++ if (err == 1)
++ err = -EBADMSG;
++ /* let software handle anti-replay errors */
++ if (err == 4)
++ err = 0;
++
++ aead_request_complete(req, err);
++}
++
++static int mtk_aead_send_req(struct crypto_async_request *async)
++{
++ struct aead_request *req = aead_request_cast(async);
++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
++ int err;
++
++ err = check_valid_request(rctx);
++ if (err) {
++ aead_request_complete(req, err);
++ return err;
++ }
++
++ return mtk_send_req(async, req->iv, rctx);
++}
++
++/* Crypto aead API functions */
++static int mtk_aead_cra_init(struct crypto_tfm *tfm)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
++ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
++ struct mtk_alg_template, alg.aead.base);
++ u32 flags = tmpl->flags;
++ char *alg_base;
++
++ crypto_aead_set_reqsize(__crypto_aead_cast(tfm),
++ sizeof(struct mtk_cipher_reqctx));
++
++ ctx->mtk = tmpl->mtk;
++ ctx->in_first = true;
++ ctx->out_first = true;
++
++ ctx->sa_in = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
++ if (!ctx->sa_in)
++ return -ENOMEM;
++
++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++
++ ctx->sa_out = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
++ if (!ctx->sa_out)
++ return -ENOMEM;
++
++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++
++ /* software workaround for now */
++ if (IS_HASH_MD5(flags))
++ alg_base = "md5";
++ if (IS_HASH_SHA1(flags))
++ alg_base = "sha1";
++ if (IS_HASH_SHA224(flags))
++ alg_base = "sha224";
++ if (IS_HASH_SHA256(flags))
++ alg_base = "sha256";
++
++ ctx->shash = crypto_alloc_shash(alg_base, 0, CRYPTO_ALG_NEED_FALLBACK);
++
++ if (IS_ERR(ctx->shash)) {
++ dev_err(ctx->mtk->dev, "base driver %s could not be loaded.\n",
++ alg_base);
++ return PTR_ERR(ctx->shash);
++ }
++
++ return 0;
++}
++
++static void mtk_aead_cra_exit(struct crypto_tfm *tfm)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
++
++ if (ctx->shash)
++ crypto_free_shash(ctx->shash);
++
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ kfree(ctx->sa_in);
++ kfree(ctx->sa_out);
++}
++
++static int mtk_aead_setkey(struct crypto_aead *ctfm, const u8 *key,
++ unsigned int len)
++{
++ struct crypto_tfm *tfm = crypto_aead_tfm(ctfm);
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
++ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
++ struct mtk_alg_template, alg.skcipher.base);
++ u32 flags = tmpl->flags;
++ u32 nonce = 0;
++ struct crypto_authenc_keys keys;
++ struct crypto_aes_ctx aes;
++ struct saRecord_s *saRecord = ctx->sa_out;
++ int sa_size = sizeof(struct saRecord_s);
++ int err = -EINVAL;
++
++
++ if (crypto_authenc_extractkeys(&keys, key, len))
++ return err;
++
++ if (IS_RFC3686(flags)) {
++ if (keys.enckeylen < CTR_RFC3686_NONCE_SIZE)
++ return err;
++
++ keys.enckeylen -= CTR_RFC3686_NONCE_SIZE;
++ memcpy(&nonce, keys.enckey + keys.enckeylen,
++ CTR_RFC3686_NONCE_SIZE);
++ }
++
++ switch ((flags & MTK_ALG_MASK)) {
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++ case MTK_ALG_DES:
++ err = verify_aead_des_key(ctfm, keys.enckey, keys.enckeylen);
++ break;
++ case MTK_ALG_3DES:
++ if (keys.enckeylen != DES3_EDE_KEY_SIZE)
++ return -EINVAL;
++
++ err = verify_aead_des3_key(ctfm, keys.enckey, keys.enckeylen);
++ break;
++#endif
++ case MTK_ALG_AES:
++ err = aes_expandkey(&aes, keys.enckey, keys.enckeylen);
++ }
++ if (err)
++ return err;
++
++ ctx->blksize = crypto_aead_blocksize(ctfm);
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, sa_size,
++ DMA_TO_DEVICE);
++
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, sa_size,
++ DMA_TO_DEVICE);
++ /* Encryption key */
++ mtk_set_saRecord(saRecord, keys.enckeylen, flags);
++ saRecord->saCmd0.bits.opCode = 1;
++ saRecord->saCmd0.bits.digestLength = ctx->authsize >> 2;
++
++ memcpy(saRecord->saKey, keys.enckey, keys.enckeylen);
++ ctx->saNonce = nonce;
++ saRecord->saNonce = nonce;
++
++ /* authentication key */
++ err = mtk_authenc_setkey(ctx->shash, saRecord, keys.authkey,
++ keys.authkeylen);
++
++ saRecord->saCmd0.bits.direction = 0;
++ memcpy(ctx->sa_in, saRecord, sa_size);
++ ctx->sa_in->saCmd0.bits.direction = 1;
++ ctx->sa_in->saCmd1.bits.copyDigest = 0;
++
++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, sa_size,
++ DMA_TO_DEVICE);
++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, sa_size,
++ DMA_TO_DEVICE);
++ ctx->in_first = true;
++ ctx->out_first = true;
++
++ return err;
++}
++
++static int mtk_aead_setauthsize(struct crypto_aead *ctfm,
++ unsigned int authsize)
++{
++ struct crypto_tfm *tfm = crypto_aead_tfm(ctfm);
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
++
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++
++ ctx->authsize = authsize;
++ ctx->sa_in->saCmd0.bits.digestLength = ctx->authsize >> 2;
++ ctx->sa_out->saCmd0.bits.digestLength = ctx->authsize >> 2;
++
++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ return 0;
++}
++
++static void mtk_aead_setassoc(struct mtk_crypto_ctx *ctx,
++ struct aead_request *req, bool in)
++{
++ struct saRecord_s *saRecord;
++
++ if (in) {
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ saRecord = ctx->sa_in;
++ saRecord->saCmd1.bits.hashCryptOffset = req->assoclen >> 2;
++
++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ ctx->assoclen_in = req->assoclen;
++ } else {
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ saRecord = ctx->sa_out;
++ saRecord->saCmd1.bits.hashCryptOffset = req->assoclen >> 2;
++
++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ ctx->assoclen_out = req->assoclen;
++ }
++}
++
++static int mtk_aead_crypt(struct aead_request *req)
++{
++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
++ struct crypto_async_request *async = &req->base;
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
++ struct crypto_aead *aead = crypto_aead_reqtfm(req);
++
++ rctx->textsize = req->cryptlen;
++ rctx->blksize = ctx->blksize;
++ rctx->assoclen = req->assoclen;
++ rctx->authsize = ctx->authsize;
++ rctx->sg_src = req->src;
++ rctx->sg_dst = req->dst;
++ rctx->ivsize = crypto_aead_ivsize(aead);
++ rctx->flags |= MTK_DESC_AEAD;
++
++ if IS_DECRYPT(rctx->flags)
++ rctx->textsize -= rctx->authsize;
++
++ return mtk_aead_send_req(async);
++}
++
++static int mtk_aead_encrypt(struct aead_request *req)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
++ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
++ struct mtk_alg_template, alg.aead.base);
++
++ rctx->flags = tmpl->flags;
++ rctx->flags |= MTK_ENCRYPT;
++ if (ctx->out_first) {
++ mtk_aead_setassoc(ctx, req, false);
++ ctx->out_first = false;
++ }
++
++ if (req->assoclen != ctx->assoclen_out) {
++ dev_err(ctx->mtk->dev, "Request AAD length error\n");
++ return -EINVAL;
++ }
++
++ rctx->saRecord_base = ctx->sa_base_out;
++
++ return mtk_aead_crypt(req);
++}
++
++static int mtk_aead_decrypt(struct aead_request *req)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req);
++ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
++ struct mtk_alg_template, alg.aead.base);
++
++ rctx->flags = tmpl->flags;
++ rctx->flags |= MTK_DECRYPT;
++ if (ctx->in_first) {
++ mtk_aead_setassoc(ctx, req, true);
++ ctx->in_first = false;
++ }
++
++ if (req->assoclen != ctx->assoclen_in) {
++ dev_err(ctx->mtk->dev, "Request AAD length error\n");
++ return -EINVAL;
++ }
++
++ rctx->saRecord_base = ctx->sa_base_in;
++
++ return mtk_aead_crypt(req);
++}
++
++/* Available authenc algorithms in this module */
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
++struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_aes = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_AES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = AES_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = MD5_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(md5),cbc(aes))",
++ .cra_driver_name =
++ "authenc(hmac(md5-eip93), cbc(aes-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = AES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_aes = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_AES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = AES_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA1_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha1),cbc(aes))",
++ .cra_driver_name =
++ "authenc(hmac(sha1-eip93),cbc(aes-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = AES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_aes = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_AES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = AES_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA224_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha224),cbc(aes))",
++ .cra_driver_name =
++ "authenc(hmac(sha224-eip93),cbc(aes-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = AES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_aes = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_AES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = AES_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA256_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha256),cbc(aes))",
++ .cra_driver_name =
++ "authenc(hmac(sha256-eip93),cbc(aes-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = AES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_md5_rfc3686_aes = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 |
++ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = CTR_RFC3686_IV_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = MD5_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(md5),rfc3686(ctr(aes)))",
++ .cra_driver_name =
++ "authenc(hmac(md5-eip93),rfc3686(ctr(aes-eip93)))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = 1,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha1_rfc3686_aes = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 |
++ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = CTR_RFC3686_IV_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA1_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
++ .cra_driver_name =
++ "authenc(hmac(sha1-eip93),rfc3686(ctr(aes-eip93)))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = 1,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha224_rfc3686_aes = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 |
++ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = CTR_RFC3686_IV_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA224_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha224),rfc3686(ctr(aes)))",
++ .cra_driver_name =
++ "authenc(hmac(sha224-eip93),rfc3686(ctr(aes-eip93)))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = 1,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha256_rfc3686_aes = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 |
++ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = CTR_RFC3686_IV_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA256_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
++ .cra_driver_name =
++ "authenc(hmac(sha256-eip93),rfc3686(ctr(aes-eip93)))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = 1,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_DES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = DES_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = MD5_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(md5),cbc(des))",
++ .cra_driver_name =
++ "authenc(hmac(md5-eip93),cbc(des-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_DES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = DES_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA1_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha1),cbc(des))",
++ .cra_driver_name =
++ "authenc(hmac(sha1-eip93),cbc(des-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_DES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = DES_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA224_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha224),cbc(des))",
++ .cra_driver_name =
++ "authenc(hmac(sha224-eip93),cbc(des-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_DES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = DES_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA256_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha256),cbc(des))",
++ .cra_driver_name =
++ "authenc(hmac(sha256-eip93),cbc(des-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des3_ede = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_3DES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = DES3_EDE_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = MD5_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(md5),cbc(des3_ede))",
++ .cra_driver_name =
++ "authenc(hmac(md5-eip93),cbc(des3_ede-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0x0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des3_ede = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_3DES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = DES3_EDE_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA1_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
++ .cra_driver_name =
++ "authenc(hmac(sha1-eip93),cbc(des3_ede-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0x0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des3_ede = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_3DES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = DES3_EDE_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA224_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha224),cbc(des3_ede))",
++ .cra_driver_name =
++ "authenc(hmac(sha224-eip93),cbc(des3_ede-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0x0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des3_ede = {
++ .type = MTK_ALG_TYPE_AEAD,
++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_3DES,
++ .alg.aead = {
++ .setkey = mtk_aead_setkey,
++ .encrypt = mtk_aead_encrypt,
++ .decrypt = mtk_aead_decrypt,
++ .ivsize = DES3_EDE_BLOCK_SIZE,
++ .setauthsize = mtk_aead_setauthsize,
++ .maxauthsize = SHA256_DIGEST_SIZE,
++ .base = {
++ .cra_name = "authenc(hmac(sha256),cbc(des3_ede))",
++ .cra_driver_name =
++ "authenc(hmac(sha256-eip93),cbc(des3_ede-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0x0,
++ .cra_init = mtk_aead_cra_init,
++ .cra_exit = mtk_aead_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++#endif
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-aead.h
+@@ -0,0 +1,31 @@
++/* SPDX-License-Identifier: GPL-2.0
++ *
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++#ifndef _EIP93_AEAD_H_
++#define _EIP93_AEAD_H_
++
++extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_aes;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_aes;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_aes;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_aes;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_rfc3686_aes;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_rfc3686_aes;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_rfc3686_aes;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_rfc3686_aes;
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des3_ede;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des3_ede;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des3_ede;
++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des3_ede;
++#endif
++
++void mtk_aead_handle_result(struct crypto_async_request *async, int err);
++
++#endif /* _EIP93_AEAD_H_ */
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-aes.h
+@@ -0,0 +1,15 @@
++/* SPDX-License-Identifier: GPL-2.0
++ *
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++#ifndef _EIP93_AES_H_
++#define _EIP93_AES_H_
++
++extern struct mtk_alg_template mtk_alg_ecb_aes;
++extern struct mtk_alg_template mtk_alg_cbc_aes;
++extern struct mtk_alg_template mtk_alg_ctr_aes;
++extern struct mtk_alg_template mtk_alg_rfc3686_aes;
++
++#endif /* _EIP93_AES_H_ */
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-cipher.c
+@@ -0,0 +1,483 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
++#include <crypto/aes.h>
++#include <crypto/ctr.h>
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++#include <crypto/internal/des.h>
++#endif
++#include <linux/dma-mapping.h>
++
++#include "eip93-cipher.h"
++#include "eip93-common.h"
++#include "eip93-regs.h"
++
++void mtk_skcipher_handle_result(struct crypto_async_request *async, int err)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm);
++ struct mtk_device *mtk = ctx->mtk;
++ struct skcipher_request *req = skcipher_request_cast(async);
++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
++
++ mtk_unmap_dma(mtk, rctx, req->src, req->dst);
++ mtk_handle_result(mtk, rctx, req->iv);
++
++ skcipher_request_complete(req, err);
++}
++
++static inline bool mtk_skcipher_is_fallback(const struct crypto_tfm *tfm,
++ u32 flags)
++{
++ return (tfm->__crt_alg->cra_flags & CRYPTO_ALG_NEED_FALLBACK) &&
++ !IS_RFC3686(flags);
++}
++
++static int mtk_skcipher_send_req(struct crypto_async_request *async)
++{
++ struct skcipher_request *req = skcipher_request_cast(async);
++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
++ int err;
++
++ err = check_valid_request(rctx);
++
++ if (err) {
++ skcipher_request_complete(req, err);
++ return err;
++ }
++
++ return mtk_send_req(async, req->iv, rctx);
++}
++
++/* Crypto skcipher API functions */
++static int mtk_skcipher_cra_init(struct crypto_tfm *tfm)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
++ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
++ struct mtk_alg_template, alg.skcipher.base);
++ bool fallback = mtk_skcipher_is_fallback(tfm, tmpl->flags);
++
++ if (fallback) {
++ ctx->fallback = crypto_alloc_skcipher(
++ crypto_tfm_alg_name(tfm), 0, CRYPTO_ALG_NEED_FALLBACK);
++ if (IS_ERR(ctx->fallback))
++ return PTR_ERR(ctx->fallback);
++ }
++
++ crypto_skcipher_set_reqsize(
++ __crypto_skcipher_cast(tfm),
++ sizeof(struct mtk_cipher_reqctx) +
++ (fallback ? crypto_skcipher_reqsize(ctx->fallback) :
++ 0));
++
++ ctx->mtk = tmpl->mtk;
++
++ ctx->sa_in = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
++ if (!ctx->sa_in)
++ return -ENOMEM;
++
++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++
++ ctx->sa_out = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL);
++ if (!ctx->sa_out)
++ return -ENOMEM;
++
++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ return 0;
++}
++
++static void mtk_skcipher_cra_exit(struct crypto_tfm *tfm)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
++
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out,
++ sizeof(struct saRecord_s), DMA_TO_DEVICE);
++ kfree(ctx->sa_in);
++ kfree(ctx->sa_out);
++
++ crypto_free_skcipher(ctx->fallback);
++}
++
++static int mtk_skcipher_setkey(struct crypto_skcipher *ctfm, const u8 *key,
++ unsigned int len)
++{
++ struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm);
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
++ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg,
++ struct mtk_alg_template, alg.skcipher.base);
++ struct saRecord_s *saRecord = ctx->sa_out;
++ u32 flags = tmpl->flags;
++ u32 nonce = 0;
++ unsigned int keylen = len;
++ int sa_size = sizeof(struct saRecord_s);
++ int err = -EINVAL;
++
++ if (!key || !keylen)
++ return err;
++
++ ctx->keylen = keylen;
++
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
++ if (IS_RFC3686(flags)) {
++ if (len < CTR_RFC3686_NONCE_SIZE)
++ return err;
++
++ keylen = len - CTR_RFC3686_NONCE_SIZE;
++ memcpy(&nonce, key + keylen, CTR_RFC3686_NONCE_SIZE);
++ }
++#endif
++
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++ if (flags & MTK_ALG_DES) {
++ ctx->blksize = DES_BLOCK_SIZE;
++ err = verify_skcipher_des_key(ctfm, key);
++ }
++ if (flags & MTK_ALG_3DES) {
++ ctx->blksize = DES3_EDE_BLOCK_SIZE;
++ err = verify_skcipher_des3_key(ctfm, key);
++ }
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
++ if (flags & MTK_ALG_AES) {
++ struct crypto_aes_ctx aes;
++ bool fallback = mtk_skcipher_is_fallback(tfm, flags);
++
++ if (fallback && !IS_RFC3686(flags)) {
++ err = crypto_skcipher_setkey(ctx->fallback, key,
++ keylen);
++ if (err)
++ return err;
++ }
++
++ ctx->blksize = AES_BLOCK_SIZE;
++ err = aes_expandkey(&aes, key, keylen);
++ }
++#endif
++ if (err)
++ return err;
++
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, sa_size,
++ DMA_TO_DEVICE);
++
++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, sa_size,
++ DMA_TO_DEVICE);
++
++ mtk_set_saRecord(saRecord, keylen, flags);
++
++ memcpy(saRecord->saKey, key, keylen);
++ ctx->saNonce = nonce;
++ saRecord->saNonce = nonce;
++ saRecord->saCmd0.bits.direction = 0;
++
++ memcpy(ctx->sa_in, saRecord, sa_size);
++ ctx->sa_in->saCmd0.bits.direction = 1;
++
++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, sa_size,
++ DMA_TO_DEVICE);
++
++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, sa_size,
++ DMA_TO_DEVICE);
++ return err;
++}
++
++static int mtk_skcipher_crypt(struct skcipher_request *req, bool encrypt)
++{
++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
++ struct crypto_async_request *async = &req->base;
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
++ struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
++ bool fallback = mtk_skcipher_is_fallback(req->base.tfm, rctx->flags);
++
++ if (!req->cryptlen)
++ return 0;
++
++ /*
++ * ECB and CBC algorithms require message lengths to be
++ * multiples of block size.
++ */
++ if (IS_ECB(rctx->flags) || IS_CBC(rctx->flags))
++ if (!IS_ALIGNED(req->cryptlen,
++ crypto_skcipher_blocksize(skcipher)))
++ return -EINVAL;
++
++ if (fallback &&
++ req->cryptlen <= (AES_KEYSIZE_128 ?
++ CONFIG_CRYPTO_DEV_EIP93_AES_128_SW_MAX_LEN :
++ CONFIG_CRYPTO_DEV_EIP93_GENERIC_SW_MAX_LEN)) {
++ skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback);
++ skcipher_request_set_callback(&rctx->fallback_req,
++ req->base.flags,
++ req->base.complete,
++ req->base.data);
++ skcipher_request_set_crypt(&rctx->fallback_req, req->src,
++ req->dst, req->cryptlen, req->iv);
++ return encrypt ? crypto_skcipher_encrypt(&rctx->fallback_req) :
++ crypto_skcipher_decrypt(&rctx->fallback_req);
++ }
++
++ rctx->assoclen = 0;
++ rctx->textsize = req->cryptlen;
++ rctx->authsize = 0;
++ rctx->sg_src = req->src;
++ rctx->sg_dst = req->dst;
++ rctx->ivsize = crypto_skcipher_ivsize(skcipher);
++ rctx->blksize = ctx->blksize;
++ rctx->flags |= MTK_DESC_SKCIPHER;
++ if (!IS_ECB(rctx->flags))
++ rctx->flags |= MTK_DESC_DMA_IV;
++
++ return mtk_skcipher_send_req(async);
++}
++
++static int mtk_skcipher_encrypt(struct skcipher_request *req)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
++ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
++ struct mtk_alg_template, alg.skcipher.base);
++
++ rctx->flags = tmpl->flags;
++ rctx->flags |= MTK_ENCRYPT;
++ rctx->saRecord_base = ctx->sa_base_out;
++
++ return mtk_skcipher_crypt(req, true);
++}
++
++static int mtk_skcipher_decrypt(struct skcipher_request *req)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req);
++ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg,
++ struct mtk_alg_template, alg.skcipher.base);
++
++ rctx->flags = tmpl->flags;
++ rctx->flags |= MTK_DECRYPT;
++ rctx->saRecord_base = ctx->sa_base_in;
++
++ return mtk_skcipher_crypt(req, false);
++}
++
++/* Available algorithms in this module */
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
++struct mtk_alg_template mtk_alg_ecb_aes = {
++ .type = MTK_ALG_TYPE_SKCIPHER,
++ .flags = MTK_MODE_ECB | MTK_ALG_AES,
++ .alg.skcipher = {
++ .setkey = mtk_skcipher_setkey,
++ .encrypt = mtk_skcipher_encrypt,
++ .decrypt = mtk_skcipher_decrypt,
++ .min_keysize = AES_MIN_KEY_SIZE,
++ .max_keysize = AES_MAX_KEY_SIZE,
++ .ivsize = 0,
++ .base = {
++ .cra_name = "ecb(aes)",
++ .cra_driver_name = "ecb(aes-eip93)",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_NEED_FALLBACK |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = AES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0xf,
++ .cra_init = mtk_skcipher_cra_init,
++ .cra_exit = mtk_skcipher_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_cbc_aes = {
++ .type = MTK_ALG_TYPE_SKCIPHER,
++ .flags = MTK_MODE_CBC | MTK_ALG_AES,
++ .alg.skcipher = {
++ .setkey = mtk_skcipher_setkey,
++ .encrypt = mtk_skcipher_encrypt,
++ .decrypt = mtk_skcipher_decrypt,
++ .min_keysize = AES_MIN_KEY_SIZE,
++ .max_keysize = AES_MAX_KEY_SIZE,
++ .ivsize = AES_BLOCK_SIZE,
++ .base = {
++ .cra_name = "cbc(aes)",
++ .cra_driver_name = "cbc(aes-eip93)",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_NEED_FALLBACK |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = AES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0xf,
++ .cra_init = mtk_skcipher_cra_init,
++ .cra_exit = mtk_skcipher_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_ctr_aes = {
++ .type = MTK_ALG_TYPE_SKCIPHER,
++ .flags = MTK_MODE_CTR | MTK_ALG_AES,
++ .alg.skcipher = {
++ .setkey = mtk_skcipher_setkey,
++ .encrypt = mtk_skcipher_encrypt,
++ .decrypt = mtk_skcipher_decrypt,
++ .min_keysize = AES_MIN_KEY_SIZE,
++ .max_keysize = AES_MAX_KEY_SIZE,
++ .ivsize = AES_BLOCK_SIZE,
++ .base = {
++ .cra_name = "ctr(aes)",
++ .cra_driver_name = "ctr(aes-eip93)",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_NEED_FALLBACK |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = 1,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0xf,
++ .cra_init = mtk_skcipher_cra_init,
++ .cra_exit = mtk_skcipher_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_rfc3686_aes = {
++ .type = MTK_ALG_TYPE_SKCIPHER,
++ .flags = MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES,
++ .alg.skcipher = {
++ .setkey = mtk_skcipher_setkey,
++ .encrypt = mtk_skcipher_encrypt,
++ .decrypt = mtk_skcipher_decrypt,
++ .min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
++ .max_keysize = AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
++ .ivsize = CTR_RFC3686_IV_SIZE,
++ .base = {
++ .cra_name = "rfc3686(ctr(aes))",
++ .cra_driver_name = "rfc3686(ctr(aes-eip93))",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_NEED_FALLBACK |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = 1,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0xf,
++ .cra_init = mtk_skcipher_cra_init,
++ .cra_exit = mtk_skcipher_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++struct mtk_alg_template mtk_alg_ecb_des = {
++ .type = MTK_ALG_TYPE_SKCIPHER,
++ .flags = MTK_MODE_ECB | MTK_ALG_DES,
++ .alg.skcipher = {
++ .setkey = mtk_skcipher_setkey,
++ .encrypt = mtk_skcipher_encrypt,
++ .decrypt = mtk_skcipher_decrypt,
++ .min_keysize = DES_KEY_SIZE,
++ .max_keysize = DES_KEY_SIZE,
++ .ivsize = 0,
++ .base = {
++ .cra_name = "ecb(des)",
++ .cra_driver_name = "ebc(des-eip93)",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_skcipher_cra_init,
++ .cra_exit = mtk_skcipher_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_cbc_des = {
++ .type = MTK_ALG_TYPE_SKCIPHER,
++ .flags = MTK_MODE_CBC | MTK_ALG_DES,
++ .alg.skcipher = {
++ .setkey = mtk_skcipher_setkey,
++ .encrypt = mtk_skcipher_encrypt,
++ .decrypt = mtk_skcipher_decrypt,
++ .min_keysize = DES_KEY_SIZE,
++ .max_keysize = DES_KEY_SIZE,
++ .ivsize = DES_BLOCK_SIZE,
++ .base = {
++ .cra_name = "cbc(des)",
++ .cra_driver_name = "cbc(des-eip93)",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_skcipher_cra_init,
++ .cra_exit = mtk_skcipher_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_ecb_des3_ede = {
++ .type = MTK_ALG_TYPE_SKCIPHER,
++ .flags = MTK_MODE_ECB | MTK_ALG_3DES,
++ .alg.skcipher = {
++ .setkey = mtk_skcipher_setkey,
++ .encrypt = mtk_skcipher_encrypt,
++ .decrypt = mtk_skcipher_decrypt,
++ .min_keysize = DES3_EDE_KEY_SIZE,
++ .max_keysize = DES3_EDE_KEY_SIZE,
++ .ivsize = 0,
++ .base = {
++ .cra_name = "ecb(des3_ede)",
++ .cra_driver_name = "ecb(des3_ede-eip93)",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_skcipher_cra_init,
++ .cra_exit = mtk_skcipher_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++
++struct mtk_alg_template mtk_alg_cbc_des3_ede = {
++ .type = MTK_ALG_TYPE_SKCIPHER,
++ .flags = MTK_MODE_CBC | MTK_ALG_3DES,
++ .alg.skcipher = {
++ .setkey = mtk_skcipher_setkey,
++ .encrypt = mtk_skcipher_encrypt,
++ .decrypt = mtk_skcipher_decrypt,
++ .min_keysize = DES3_EDE_KEY_SIZE,
++ .max_keysize = DES3_EDE_KEY_SIZE,
++ .ivsize = DES3_EDE_BLOCK_SIZE,
++ .base = {
++ .cra_name = "cbc(des3_ede)",
++ .cra_driver_name = "cbc(des3_ede-eip93)",
++ .cra_priority = MTK_CRA_PRIORITY,
++ .cra_flags = CRYPTO_ALG_ASYNC |
++ CRYPTO_ALG_KERN_DRIVER_ONLY,
++ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx),
++ .cra_alignmask = 0,
++ .cra_init = mtk_skcipher_cra_init,
++ .cra_exit = mtk_skcipher_cra_exit,
++ .cra_module = THIS_MODULE,
++ },
++ },
++};
++#endif
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-cipher.h
+@@ -0,0 +1,66 @@
++/* SPDX-License-Identifier: GPL-2.0
++ *
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++#ifndef _EIP93_CIPHER_H_
++#define _EIP93_CIPHER_H_
++
++#include "eip93-main.h"
++
++struct mtk_crypto_ctx {
++ struct mtk_device *mtk;
++ struct saRecord_s *sa_in;
++ dma_addr_t sa_base_in;
++ struct saRecord_s *sa_out;
++ dma_addr_t sa_base_out;
++ uint32_t saNonce;
++ int blksize;
++ /* AEAD specific */
++ unsigned int authsize;
++ unsigned int assoclen_in;
++ unsigned int assoclen_out;
++ bool in_first;
++ bool out_first;
++ struct crypto_shash *shash;
++ unsigned int keylen;
++ struct crypto_skcipher *fallback;
++};
++
++struct mtk_cipher_reqctx {
++ unsigned long flags;
++ unsigned int blksize;
++ unsigned int ivsize;
++ unsigned int textsize;
++ unsigned int assoclen;
++ unsigned int authsize;
++ dma_addr_t saRecord_base;
++ struct saState_s *saState;
++ dma_addr_t saState_base;
++ uint32_t saState_idx;
++ struct eip93_descriptor_s *cdesc;
++ struct scatterlist *sg_src;
++ struct scatterlist *sg_dst;
++ int src_nents;
++ int dst_nents;
++ struct saState_s *saState_ctr;
++ dma_addr_t saState_base_ctr;
++ uint32_t saState_ctr_idx;
++ struct skcipher_request fallback_req; // keep at the end
++};
++
++int check_valid_request(struct mtk_cipher_reqctx *rctx);
++
++void mtk_unmap_dma(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
++ struct scatterlist *reqsrc, struct scatterlist *reqdst);
++
++void mtk_skcipher_handle_result(struct crypto_async_request *async, int err);
++
++int mtk_send_req(struct crypto_async_request *async,
++ const u8 *reqiv, struct mtk_cipher_reqctx *rctx);
++
++void mtk_handle_result(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
++ u8 *reqiv);
++
++#endif /* _EIP93_CIPHER_H_ */
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-common.c
+@@ -0,0 +1,749 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++
++#include <crypto/aes.h>
++#include <crypto/ctr.h>
++#include <crypto/hmac.h>
++#include <crypto/sha1.h>
++#include <crypto/sha2.h>
++#include <linux/delay.h>
++#include <linux/dma-mapping.h>
++#include <linux/scatterlist.h>
++
++#include "eip93-cipher.h"
++#include "eip93-common.h"
++#include "eip93-main.h"
++#include "eip93-regs.h"
++
++inline void *mtk_ring_next_wptr(struct mtk_device *mtk,
++ struct mtk_desc_ring *ring)
++{
++ void *ptr = ring->write;
++
++ if ((ring->write == ring->read - ring->offset) ||
++ (ring->read == ring->base && ring->write == ring->base_end))
++ return ERR_PTR(-ENOMEM);
++
++ if (ring->write == ring->base_end)
++ ring->write = ring->base;
++ else
++ ring->write += ring->offset;
++
++ return ptr;
++}
++
++inline void *mtk_ring_next_rptr(struct mtk_device *mtk,
++ struct mtk_desc_ring *ring)
++{
++ void *ptr = ring->read;
++
++ if (ring->write == ring->read)
++ return ERR_PTR(-ENOENT);
++
++ if (ring->read == ring->base_end)
++ ring->read = ring->base;
++ else
++ ring->read += ring->offset;
++
++ return ptr;
++}
++
++inline int mtk_put_descriptor(struct mtk_device *mtk,
++ struct eip93_descriptor_s *desc)
++{
++ struct eip93_descriptor_s *cdesc;
++ struct eip93_descriptor_s *rdesc;
++ unsigned long irqflags;
++
++ spin_lock_irqsave(&mtk->ring->write_lock, irqflags);
++
++ rdesc = mtk_ring_next_wptr(mtk, &mtk->ring->rdr);
++
++ if (IS_ERR(rdesc)) {
++ spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags);
++ return -ENOENT;
++ }
++
++ cdesc = mtk_ring_next_wptr(mtk, &mtk->ring->cdr);
++
++ if (IS_ERR(cdesc)) {
++ spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags);
++ return -ENOENT;
++ }
++
++ memset(rdesc, 0, sizeof(struct eip93_descriptor_s));
++ memcpy(cdesc, desc, sizeof(struct eip93_descriptor_s));
++
++ atomic_dec(&mtk->ring->free);
++ spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags);
++
++ return 0;
++}
++
++inline void *mtk_get_descriptor(struct mtk_device *mtk)
++{
++ struct eip93_descriptor_s *cdesc;
++ void *ptr;
++ unsigned long irqflags;
++
++ spin_lock_irqsave(&mtk->ring->read_lock, irqflags);
++
++ cdesc = mtk_ring_next_rptr(mtk, &mtk->ring->cdr);
++
++ if (IS_ERR(cdesc)) {
++ spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags);
++ return ERR_PTR(-ENOENT);
++ }
++
++ memset(cdesc, 0, sizeof(struct eip93_descriptor_s));
++
++ ptr = mtk_ring_next_rptr(mtk, &mtk->ring->rdr);
++ if (IS_ERR(ptr)) {
++ spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags);
++ return ERR_PTR(-ENOENT);
++ }
++
++ atomic_inc(&mtk->ring->free);
++ spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags);
++
++ return ptr;
++}
++
++inline int mtk_get_free_saState(struct mtk_device *mtk)
++{
++ struct mtk_state_pool *saState_pool;
++ int i;
++
++ for (i = 0; i < MTK_RING_SIZE; i++) {
++ saState_pool = &mtk->ring->saState_pool[i];
++ if (saState_pool->in_use == false) {
++ saState_pool->in_use = true;
++ return i;
++ }
++
++ }
++
++ return -ENOENT;
++}
++
++static inline void mtk_free_sg_copy(const int len, struct scatterlist **sg)
++{
++ if (!*sg || !len)
++ return;
++
++ free_pages((unsigned long)sg_virt(*sg), get_order(len));
++ kfree(*sg);
++ *sg = NULL;
++}
++
++static inline int mtk_make_sg_copy(struct scatterlist *src,
++ struct scatterlist **dst,
++ const uint32_t len, const bool copy)
++{
++ void *pages;
++
++ *dst = kmalloc(sizeof(**dst), GFP_KERNEL);
++ if (!*dst)
++ return -ENOMEM;
++
++
++ pages = (void *)__get_free_pages(GFP_KERNEL | GFP_DMA,
++ get_order(len));
++
++ if (!pages) {
++ kfree(*dst);
++ *dst = NULL;
++ return -ENOMEM;
++ }
++
++ sg_init_table(*dst, 1);
++ sg_set_buf(*dst, pages, len);
++
++ /* copy only as requested */
++ if (copy)
++ sg_copy_to_buffer(src, sg_nents(src), pages, len);
++
++ return 0;
++}
++
++static inline bool mtk_is_sg_aligned(struct scatterlist *sg, u32 len,
++ const int blksize)
++{
++ int nents;
++
++ for (nents = 0; sg; sg = sg_next(sg), ++nents) {
++ if (!IS_ALIGNED(sg->offset, 4))
++ return false;
++
++ if (len <= sg->length) {
++ if (!IS_ALIGNED(len, blksize))
++ return false;
++
++ return true;
++ }
++
++ if (!IS_ALIGNED(sg->length, blksize))
++ return false;
++
++ len -= sg->length;
++ }
++ return false;
++}
++
++int check_valid_request(struct mtk_cipher_reqctx *rctx)
++{
++ struct scatterlist *src = rctx->sg_src;
++ struct scatterlist *dst = rctx->sg_dst;
++ uint32_t src_nents, dst_nents;
++ u32 textsize = rctx->textsize;
++ u32 authsize = rctx->authsize;
++ u32 blksize = rctx->blksize;
++ u32 totlen_src = rctx->assoclen + rctx->textsize;
++ u32 totlen_dst = rctx->assoclen + rctx->textsize;
++ u32 copy_len;
++ bool src_align, dst_align;
++ int err = -EINVAL;
++
++ if (!IS_CTR(rctx->flags)) {
++ if (!IS_ALIGNED(textsize, blksize))
++ return err;
++ }
++
++ if (authsize) {
++ if (IS_ENCRYPT(rctx->flags))
++ totlen_dst += authsize;
++ else
++ totlen_src += authsize;
++ }
++
++ src_nents = sg_nents_for_len(src, totlen_src);
++ dst_nents = sg_nents_for_len(dst, totlen_dst);
++
++ if (src == dst) {
++ src_nents = max(src_nents, dst_nents);
++ dst_nents = src_nents;
++ if (unlikely((totlen_src || totlen_dst) && (src_nents <= 0)))
++ return err;
++
++ } else {
++ if (unlikely(totlen_src && (src_nents <= 0)))
++ return err;
++
++ if (unlikely(totlen_dst && (dst_nents <= 0)))
++ return err;
++ }
++
++ if (authsize) {
++ if (dst_nents == 1 && src_nents == 1) {
++ src_align = mtk_is_sg_aligned(src, totlen_src, blksize);
++ if (src == dst)
++ dst_align = src_align;
++ else
++ dst_align = mtk_is_sg_aligned(dst,
++ totlen_dst, blksize);
++ } else {
++ src_align = false;
++ dst_align = false;
++ }
++ } else {
++ src_align = mtk_is_sg_aligned(src, totlen_src, blksize);
++ if (src == dst)
++ dst_align = src_align;
++ else
++ dst_align = mtk_is_sg_aligned(dst, totlen_dst, blksize);
++ }
++
++ copy_len = max(totlen_src, totlen_dst);
++ if (!src_align) {
++ err = mtk_make_sg_copy(src, &rctx->sg_src, copy_len, true);
++ if (err)
++ return err;
++ }
++
++ if (!dst_align) {
++ err = mtk_make_sg_copy(dst, &rctx->sg_dst, copy_len, false);
++ if (err)
++ return err;
++ }
++
++ rctx->src_nents = sg_nents_for_len(rctx->sg_src, totlen_src);
++ rctx->dst_nents = sg_nents_for_len(rctx->sg_dst, totlen_dst);
++
++ return 0;
++}
++/*
++ * Set saRecord function:
++ * Even saRecord is set to "0", keep " = 0" for readability.
++ */
++void mtk_set_saRecord(struct saRecord_s *saRecord, const unsigned int keylen,
++ const u32 flags)
++{
++ saRecord->saCmd0.bits.ivSource = 2;
++ if (IS_ECB(flags))
++ saRecord->saCmd0.bits.saveIv = 0;
++ else
++ saRecord->saCmd0.bits.saveIv = 1;
++
++ saRecord->saCmd0.bits.opGroup = 0;
++ saRecord->saCmd0.bits.opCode = 0;
++
++ switch ((flags & MTK_ALG_MASK)) {
++ case MTK_ALG_AES:
++ saRecord->saCmd0.bits.cipher = 3;
++ saRecord->saCmd1.bits.aesKeyLen = keylen >> 3;
++ break;
++ case MTK_ALG_3DES:
++ saRecord->saCmd0.bits.cipher = 1;
++ break;
++ case MTK_ALG_DES:
++ saRecord->saCmd0.bits.cipher = 0;
++ break;
++ default:
++ saRecord->saCmd0.bits.cipher = 15;
++ }
++
++ switch ((flags & MTK_HASH_MASK)) {
++ case MTK_HASH_SHA256:
++ saRecord->saCmd0.bits.hash = 3;
++ break;
++ case MTK_HASH_SHA224:
++ saRecord->saCmd0.bits.hash = 2;
++ break;
++ case MTK_HASH_SHA1:
++ saRecord->saCmd0.bits.hash = 1;
++ break;
++ case MTK_HASH_MD5:
++ saRecord->saCmd0.bits.hash = 0;
++ break;
++ default:
++ saRecord->saCmd0.bits.hash = 15;
++ }
++
++ saRecord->saCmd0.bits.hdrProc = 0;
++ saRecord->saCmd0.bits.padType = 3;
++ saRecord->saCmd0.bits.extPad = 0;
++ saRecord->saCmd0.bits.scPad = 0;
++
++ switch ((flags & MTK_MODE_MASK)) {
++ case MTK_MODE_CBC:
++ saRecord->saCmd1.bits.cipherMode = 1;
++ break;
++ case MTK_MODE_CTR:
++ saRecord->saCmd1.bits.cipherMode = 2;
++ break;
++ case MTK_MODE_ECB:
++ saRecord->saCmd1.bits.cipherMode = 0;
++ break;
++ }
++
++ saRecord->saCmd1.bits.byteOffset = 0;
++ saRecord->saCmd1.bits.hashCryptOffset = 0;
++ saRecord->saCmd0.bits.digestLength = 0;
++ saRecord->saCmd1.bits.copyPayload = 0;
++
++ if (IS_HMAC(flags)) {
++ saRecord->saCmd1.bits.hmac = 1;
++ saRecord->saCmd1.bits.copyDigest = 1;
++ saRecord->saCmd1.bits.copyHeader = 1;
++ } else {
++ saRecord->saCmd1.bits.hmac = 0;
++ saRecord->saCmd1.bits.copyDigest = 0;
++ saRecord->saCmd1.bits.copyHeader = 0;
++ }
++
++ saRecord->saCmd1.bits.seqNumCheck = 0;
++ saRecord->saSpi = 0x0;
++ saRecord->saSeqNumMask[0] = 0xFFFFFFFF;
++ saRecord->saSeqNumMask[1] = 0x0;
++}
++
++/*
++ * Poor mans Scatter/gather function:
++ * Create a Descriptor for every segment to avoid copying buffers.
++ * For performance better to wait for hardware to perform multiple DMA
++ *
++ */
++static inline int mtk_scatter_combine(struct mtk_device *mtk,
++ struct mtk_cipher_reqctx *rctx,
++ u32 datalen, u32 split, int offsetin)
++{
++ struct eip93_descriptor_s *cdesc = rctx->cdesc;
++ struct scatterlist *sgsrc = rctx->sg_src;
++ struct scatterlist *sgdst = rctx->sg_dst;
++ unsigned int remainin = sg_dma_len(sgsrc);
++ unsigned int remainout = sg_dma_len(sgdst);
++ dma_addr_t saddr = sg_dma_address(sgsrc);
++ dma_addr_t daddr = sg_dma_address(sgdst);
++ dma_addr_t stateAddr;
++ u32 srcAddr, dstAddr, len, n;
++ bool nextin = false;
++ bool nextout = false;
++ int offsetout = 0;
++ int ndesc_cdr = 0, err;
++
++ if (IS_ECB(rctx->flags))
++ rctx->saState_base = 0;
++
++ if (split < datalen) {
++ stateAddr = rctx->saState_base_ctr;
++ n = split;
++ } else {
++ stateAddr = rctx->saState_base;
++ n = datalen;
++ }
++
++ do {
++ if (nextin) {
++ sgsrc = sg_next(sgsrc);
++ remainin = sg_dma_len(sgsrc);
++ if (remainin == 0)
++ continue;
++
++ saddr = sg_dma_address(sgsrc);
++ offsetin = 0;
++ nextin = false;
++ }
++
++ if (nextout) {
++ sgdst = sg_next(sgdst);
++ remainout = sg_dma_len(sgdst);
++ if (remainout == 0)
++ continue;
++
++ daddr = sg_dma_address(sgdst);
++ offsetout = 0;
++ nextout = false;
++ }
++ srcAddr = saddr + offsetin;
++ dstAddr = daddr + offsetout;
++
++ if (remainin == remainout) {
++ len = remainin;
++ if (len > n) {
++ len = n;
++ remainin -= n;
++ remainout -= n;
++ offsetin += n;
++ offsetout += n;
++ } else {
++ nextin = true;
++ nextout = true;
++ }
++ } else if (remainin < remainout) {
++ len = remainin;
++ if (len > n) {
++ len = n;
++ remainin -= n;
++ remainout -= n;
++ offsetin += n;
++ offsetout += n;
++ } else {
++ offsetout += len;
++ remainout -= len;
++ nextin = true;
++ }
++ } else {
++ len = remainout;
++ if (len > n) {
++ len = n;
++ remainin -= n;
++ remainout -= n;
++ offsetin += n;
++ offsetout += n;
++ } else {
++ offsetin += len;
++ remainin -= len;
++ nextout = true;
++ }
++ }
++ n -= len;
++
++ cdesc->srcAddr = srcAddr;
++ cdesc->dstAddr = dstAddr;
++ cdesc->stateAddr = stateAddr;
++ cdesc->peLength.bits.peReady = 0;
++ cdesc->peLength.bits.byPass = 0;
++ cdesc->peLength.bits.length = len;
++ cdesc->peLength.bits.hostReady = 1;
++
++ if (n == 0) {
++ n = datalen - split;
++ split = datalen;
++ stateAddr = rctx->saState_base;
++ }
++
++ if (n == 0)
++ cdesc->userId |= MTK_DESC_LAST;
++
++ /* Loop - Delay - No need to rollback
++ * Maybe refine by slowing down at MTK_RING_BUSY
++ */
++again:
++ err = mtk_put_descriptor(mtk, cdesc);
++ if (err) {
++ udelay(500);
++ goto again;
++ }
++ /* Writing new descriptor count starts DMA action */
++ writel(1, mtk->base + EIP93_REG_PE_CD_COUNT);
++
++ ndesc_cdr++;
++ } while (n);
++
++ return -EINPROGRESS;
++}
++
++int mtk_send_req(struct crypto_async_request *async,
++ const u8 *reqiv, struct mtk_cipher_reqctx *rctx)
++{
++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm);
++ struct mtk_device *mtk = ctx->mtk;
++ struct scatterlist *src = rctx->sg_src;
++ struct scatterlist *dst = rctx->sg_dst;
++ struct saState_s *saState;
++ struct mtk_state_pool *saState_pool;
++ struct eip93_descriptor_s cdesc;
++ u32 flags = rctx->flags;
++ int idx;
++ int offsetin = 0, err = -ENOMEM;
++ u32 datalen = rctx->assoclen + rctx->textsize;
++ u32 split = datalen;
++ u32 start, end, ctr, blocks;
++ u32 iv[AES_BLOCK_SIZE / sizeof(u32)];
++
++ rctx->saState_ctr = NULL;
++ rctx->saState = NULL;
++
++ if (IS_ECB(flags))
++ goto skip_iv;
++
++ memcpy(iv, reqiv, rctx->ivsize);
++
++ if (!IS_ALIGNED((u32)reqiv, rctx->ivsize) || IS_RFC3686(flags)) {
++ rctx->flags &= ~MTK_DESC_DMA_IV;
++ flags = rctx->flags;
++ }
++
++ if (IS_DMA_IV(flags)) {
++ rctx->saState = (void *)reqiv;
++ } else {
++ idx = mtk_get_free_saState(mtk);
++ if (idx < 0)
++ goto send_err;
++ saState_pool = &mtk->ring->saState_pool[idx];
++ rctx->saState_idx = idx;
++ rctx->saState = saState_pool->base;
++ rctx->saState_base = saState_pool->base_dma;
++ memcpy(rctx->saState->stateIv, iv, rctx->ivsize);
++ }
++
++ saState = rctx->saState;
++
++ if (IS_RFC3686(flags)) {
++ saState->stateIv[0] = ctx->saNonce;
++ saState->stateIv[1] = iv[0];
++ saState->stateIv[2] = iv[1];
++ saState->stateIv[3] = cpu_to_be32(1);
++ } else if (!IS_HMAC(flags) && IS_CTR(flags)) {
++ /* Compute data length. */
++ blocks = DIV_ROUND_UP(rctx->textsize, AES_BLOCK_SIZE);
++ ctr = be32_to_cpu(iv[3]);
++ /* Check 32bit counter overflow. */
++ start = ctr;
++ end = start + blocks - 1;
++ if (end < start) {
++ split = AES_BLOCK_SIZE * -start;
++ /*
++ * Increment the counter manually to cope with
++ * the hardware counter overflow.
++ */
++ iv[3] = 0xffffffff;
++ crypto_inc((u8 *)iv, AES_BLOCK_SIZE);
++ idx = mtk_get_free_saState(mtk);
++ if (idx < 0)
++ goto free_state;
++ saState_pool = &mtk->ring->saState_pool[idx];
++ rctx->saState_ctr_idx = idx;
++ rctx->saState_ctr = saState_pool->base;
++ rctx->saState_base_ctr = saState_pool->base_dma;
++
++ memcpy(rctx->saState_ctr->stateIv, reqiv, rctx->ivsize);
++ memcpy(saState->stateIv, iv, rctx->ivsize);
++ }
++ }
++
++ if (IS_DMA_IV(flags)) {
++ rctx->saState_base = dma_map_single(mtk->dev, (void *)reqiv,
++ rctx->ivsize, DMA_TO_DEVICE);
++ if (dma_mapping_error(mtk->dev, rctx->saState_base))
++ goto free_state;
++ }
++skip_iv:
++ cdesc.peCrtlStat.bits.hostReady = 1;
++ cdesc.peCrtlStat.bits.prngMode = 0;
++ cdesc.peCrtlStat.bits.hashFinal = 0;
++ cdesc.peCrtlStat.bits.padCrtlStat = 0;
++ cdesc.peCrtlStat.bits.peReady = 0;
++ cdesc.saAddr = rctx->saRecord_base;
++ cdesc.arc4Addr = (uint32_t)async;
++ cdesc.userId = flags;
++ rctx->cdesc = &cdesc;
++
++ /* map DMA_BIDIRECTIONAL to invalidate cache on destination
++ * implies __dma_cache_wback_inv
++ */
++ dma_map_sg(mtk->dev, dst, rctx->dst_nents, DMA_BIDIRECTIONAL);
++ if (src != dst)
++ dma_map_sg(mtk->dev, src, rctx->src_nents, DMA_TO_DEVICE);
++
++ err = mtk_scatter_combine(mtk, rctx, datalen, split, offsetin);
++
++ return err;
++
++free_state:
++ if (rctx->saState) {
++ saState_pool = &mtk->ring->saState_pool[rctx->saState_idx];
++ saState_pool->in_use = false;
++ }
++
++ if (rctx->saState_ctr) {
++ saState_pool = &mtk->ring->saState_pool[rctx->saState_ctr_idx];
++ saState_pool->in_use = false;
++ }
++send_err:
++ return err;
++}
++
++void mtk_unmap_dma(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
++ struct scatterlist *reqsrc, struct scatterlist *reqdst)
++{
++ u32 len = rctx->assoclen + rctx->textsize;
++ u32 authsize = rctx->authsize;
++ u32 flags = rctx->flags;
++ u32 *otag;
++ int i;
++
++ if (rctx->sg_src == rctx->sg_dst) {
++ dma_unmap_sg(mtk->dev, rctx->sg_dst, rctx->dst_nents,
++ DMA_BIDIRECTIONAL);
++ goto process_tag;
++ }
++
++ dma_unmap_sg(mtk->dev, rctx->sg_src, rctx->src_nents,
++ DMA_TO_DEVICE);
++
++ if (rctx->sg_src != reqsrc)
++ mtk_free_sg_copy(len + rctx->authsize, &rctx->sg_src);
++
++ dma_unmap_sg(mtk->dev, rctx->sg_dst, rctx->dst_nents,
++ DMA_BIDIRECTIONAL);
++
++ /* SHA tags need conversion from net-to-host */
++process_tag:
++ if (IS_DECRYPT(flags))
++ authsize = 0;
++
++ if (authsize) {
++ if (!IS_HASH_MD5(flags)) {
++ otag = sg_virt(rctx->sg_dst) + len;
++ for (i = 0; i < (authsize / 4); i++)
++ otag[i] = ntohl(otag[i]);
++ }
++ }
++
++ if (rctx->sg_dst != reqdst) {
++ sg_copy_from_buffer(reqdst, sg_nents(reqdst),
++ sg_virt(rctx->sg_dst), len + authsize);
++ mtk_free_sg_copy(len + rctx->authsize, &rctx->sg_dst);
++ }
++}
++
++void mtk_handle_result(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx,
++ u8 *reqiv)
++{
++ struct mtk_state_pool *saState_pool;
++
++ if (IS_DMA_IV(rctx->flags))
++ dma_unmap_single(mtk->dev, rctx->saState_base, rctx->ivsize,
++ DMA_TO_DEVICE);
++
++ if (!IS_ECB(rctx->flags))
++ memcpy(reqiv, rctx->saState->stateIv, rctx->ivsize);
++
++ if ((rctx->saState) && !(IS_DMA_IV(rctx->flags))) {
++ saState_pool = &mtk->ring->saState_pool[rctx->saState_idx];
++ saState_pool->in_use = false;
++ }
++
++ if (rctx->saState_ctr) {
++ saState_pool = &mtk->ring->saState_pool[rctx->saState_ctr_idx];
++ saState_pool->in_use = false;
++ }
++}
++
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC)
++/* basically this is set hmac - key */
++int mtk_authenc_setkey(struct crypto_shash *cshash, struct saRecord_s *sa,
++ const u8 *authkey, unsigned int authkeylen)
++{
++ int bs = crypto_shash_blocksize(cshash);
++ int ds = crypto_shash_digestsize(cshash);
++ int ss = crypto_shash_statesize(cshash);
++ u8 *ipad, *opad;
++ unsigned int i, err;
++
++ SHASH_DESC_ON_STACK(shash, cshash);
++
++ shash->tfm = cshash;
++
++ /* auth key
++ *
++ * EIP93 can only authenticate with hash of the key
++ * do software shash until EIP93 hash function complete.
++ */
++ ipad = kcalloc(2, SHA256_BLOCK_SIZE + ss, GFP_KERNEL);
++ if (!ipad)
++ return -ENOMEM;
++
++ opad = ipad + SHA256_BLOCK_SIZE + ss;
++
++ if (authkeylen > bs) {
++ err = crypto_shash_digest(shash, authkey,
++ authkeylen, ipad);
++ if (err)
++ return err;
++
++ authkeylen = ds;
++ } else
++ memcpy(ipad, authkey, authkeylen);
++
++ memset(ipad + authkeylen, 0, bs - authkeylen);
++ memcpy(opad, ipad, bs);
++
++ for (i = 0; i < bs; i++) {
++ ipad[i] ^= HMAC_IPAD_VALUE;
++ opad[i] ^= HMAC_OPAD_VALUE;
++ }
++
++ err = crypto_shash_init(shash) ?:
++ crypto_shash_update(shash, ipad, bs) ?:
++ crypto_shash_export(shash, ipad) ?:
++ crypto_shash_init(shash) ?:
++ crypto_shash_update(shash, opad, bs) ?:
++ crypto_shash_export(shash, opad);
++
++ if (err)
++ return err;
++
++ /* add auth key */
++ memcpy(&sa->saIDigest, ipad, SHA256_DIGEST_SIZE);
++ memcpy(&sa->saODigest, opad, SHA256_DIGEST_SIZE);
++
++ kfree(ipad);
++ return 0;
++}
++#endif
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-common.h
+@@ -0,0 +1,28 @@
++/* SPDX-License-Identifier: GPL-2.0
++ *
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++
++#ifndef _EIP93_COMMON_H_
++#define _EIP93_COMMON_H_
++
++#include "eip93-main.h"
++
++inline int mtk_put_descriptor(struct mtk_device *mtk,
++ struct eip93_descriptor_s *desc);
++
++inline void *mtk_get_descriptor(struct mtk_device *mtk);
++
++inline int mtk_get_free_saState(struct mtk_device *mtk);
++
++void mtk_set_saRecord(struct saRecord_s *saRecord, const unsigned int keylen,
++ const u32 flags);
++
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC)
++int mtk_authenc_setkey(struct crypto_shash *cshash, struct saRecord_s *sa,
++ const u8 *authkey, unsigned int authkeylen);
++#endif
++
++#endif /* _EIP93_COMMON_H_ */
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-des.h
+@@ -0,0 +1,15 @@
++/* SPDX-License-Identifier: GPL-2.0
++ *
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++#ifndef _EIP93_DES_H_
++#define _EIP93_DES_H_
++
++extern struct mtk_alg_template mtk_alg_ecb_des;
++extern struct mtk_alg_template mtk_alg_cbc_des;
++extern struct mtk_alg_template mtk_alg_ecb_des3_ede;
++extern struct mtk_alg_template mtk_alg_cbc_des3_ede;
++
++#endif /* _EIP93_DES_H_ */
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-main.c
+@@ -0,0 +1,467 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++
++#include <linux/atomic.h>
++#include <linux/clk.h>
++#include <linux/delay.h>
++#include <linux/dma-mapping.h>
++#include <linux/interrupt.h>
++#include <linux/module.h>
++#include <linux/of_device.h>
++#include <linux/platform_device.h>
++#include <linux/spinlock.h>
++
++#include "eip93-main.h"
++#include "eip93-regs.h"
++#include "eip93-common.h"
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER)
++#include "eip93-cipher.h"
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
++#include "eip93-aes.h"
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++#include "eip93-des.h"
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD)
++#include "eip93-aead.h"
++#endif
++
++static struct mtk_alg_template *mtk_algs[] = {
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++ &mtk_alg_ecb_des,
++ &mtk_alg_cbc_des,
++ &mtk_alg_ecb_des3_ede,
++ &mtk_alg_cbc_des3_ede,
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
++ &mtk_alg_ecb_aes,
++ &mtk_alg_cbc_aes,
++ &mtk_alg_ctr_aes,
++ &mtk_alg_rfc3686_aes,
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD)
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++ &mtk_alg_authenc_hmac_md5_cbc_des,
++ &mtk_alg_authenc_hmac_sha1_cbc_des,
++ &mtk_alg_authenc_hmac_sha224_cbc_des,
++ &mtk_alg_authenc_hmac_sha256_cbc_des,
++ &mtk_alg_authenc_hmac_md5_cbc_des3_ede,
++ &mtk_alg_authenc_hmac_sha1_cbc_des3_ede,
++ &mtk_alg_authenc_hmac_sha224_cbc_des3_ede,
++ &mtk_alg_authenc_hmac_sha256_cbc_des3_ede,
++#endif
++ &mtk_alg_authenc_hmac_md5_cbc_aes,
++ &mtk_alg_authenc_hmac_sha1_cbc_aes,
++ &mtk_alg_authenc_hmac_sha224_cbc_aes,
++ &mtk_alg_authenc_hmac_sha256_cbc_aes,
++ &mtk_alg_authenc_hmac_md5_rfc3686_aes,
++ &mtk_alg_authenc_hmac_sha1_rfc3686_aes,
++ &mtk_alg_authenc_hmac_sha224_rfc3686_aes,
++ &mtk_alg_authenc_hmac_sha256_rfc3686_aes,
++#endif
++};
++
++inline void mtk_irq_disable(struct mtk_device *mtk, u32 mask)
++{
++ __raw_writel(mask, mtk->base + EIP93_REG_MASK_DISABLE);
++}
++
++inline void mtk_irq_enable(struct mtk_device *mtk, u32 mask)
++{
++ __raw_writel(mask, mtk->base + EIP93_REG_MASK_ENABLE);
++}
++
++inline void mtk_irq_clear(struct mtk_device *mtk, u32 mask)
++{
++ __raw_writel(mask, mtk->base + EIP93_REG_INT_CLR);
++}
++
++static void mtk_unregister_algs(unsigned int i)
++{
++ unsigned int j;
++
++ for (j = 0; j < i; j++) {
++ switch (mtk_algs[j]->type) {
++ case MTK_ALG_TYPE_SKCIPHER:
++ crypto_unregister_skcipher(&mtk_algs[j]->alg.skcipher);
++ break;
++ case MTK_ALG_TYPE_AEAD:
++ crypto_unregister_aead(&mtk_algs[j]->alg.aead);
++ break;
++ }
++ }
++}
++
++static int mtk_register_algs(struct mtk_device *mtk)
++{
++ unsigned int i;
++ int err = 0;
++
++ for (i = 0; i < ARRAY_SIZE(mtk_algs); i++) {
++ mtk_algs[i]->mtk = mtk;
++
++ switch (mtk_algs[i]->type) {
++ case MTK_ALG_TYPE_SKCIPHER:
++ err = crypto_register_skcipher(&mtk_algs[i]->alg.skcipher);
++ break;
++ case MTK_ALG_TYPE_AEAD:
++ err = crypto_register_aead(&mtk_algs[i]->alg.aead);
++ break;
++ }
++ if (err)
++ goto fail;
++ }
++
++ return 0;
++
++fail:
++ mtk_unregister_algs(i);
++
++ return err;
++}
++
++static void mtk_handle_result_descriptor(struct mtk_device *mtk)
++{
++ struct crypto_async_request *async;
++ struct eip93_descriptor_s *rdesc;
++ bool last_entry;
++ u32 flags;
++ int handled, ready, err;
++ union peCrtlStat_w done1;
++ union peLength_w done2;
++
++get_more:
++ handled = 0;
++
++ ready = readl(mtk->base + EIP93_REG_PE_RD_COUNT) & GENMASK(10, 0);
++
++ if (!ready) {
++ mtk_irq_clear(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
++ mtk_irq_enable(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
++ return;
++ }
++
++ last_entry = false;
++
++ while (ready) {
++ rdesc = mtk_get_descriptor(mtk);
++ if (IS_ERR(rdesc)) {
++ dev_err(mtk->dev, "Ndesc: %d nreq: %d\n",
++ handled, ready);
++ err = -EIO;
++ break;
++ }
++ /* make sure DMA is finished writing */
++ do {
++ done1.word = READ_ONCE(rdesc->peCrtlStat.word);
++ done2.word = READ_ONCE(rdesc->peLength.word);
++ } while ((!done1.bits.peReady) || (!done2.bits.peReady));
++
++ err = rdesc->peCrtlStat.bits.errStatus;
++
++ flags = rdesc->userId;
++ async = (struct crypto_async_request *)rdesc->arc4Addr;
++
++ writel(1, mtk->base + EIP93_REG_PE_RD_COUNT);
++ mtk_irq_clear(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
++
++ handled++;
++ ready--;
++
++ if (flags & MTK_DESC_LAST) {
++ last_entry = true;
++ break;
++ }
++ }
++
++ if (!last_entry)
++ goto get_more;
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER)
++ if (flags & MTK_DESC_SKCIPHER)
++ mtk_skcipher_handle_result(async, err);
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD)
++ if (flags & MTK_DESC_AEAD)
++ mtk_aead_handle_result(async, err);
++#endif
++ goto get_more;
++}
++
++static void mtk_done_task(unsigned long data)
++{
++ struct mtk_device *mtk = (struct mtk_device *)data;
++
++ mtk_handle_result_descriptor(mtk);
++}
++
++static irqreturn_t mtk_irq_handler(int irq, void *dev_id)
++{
++ struct mtk_device *mtk = (struct mtk_device *)dev_id;
++ u32 irq_status;
++
++ irq_status = readl(mtk->base + EIP93_REG_INT_MASK_STAT);
++
++ if (irq_status & EIP93_INT_PE_RDRTHRESH_REQ) {
++ mtk_irq_disable(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
++ tasklet_schedule(&mtk->ring->done_task);
++ return IRQ_HANDLED;
++ }
++
++ mtk_irq_clear(mtk, irq_status);
++ if (irq_status)
++ mtk_irq_disable(mtk, irq_status);
++
++ return IRQ_NONE;
++}
++
++static void mtk_initialize(struct mtk_device *mtk)
++{
++ union peConfig_w peConfig;
++ union peEndianCfg_w peEndianCfg;
++ union peIntCfg_w peIntCfg;
++ union peClockCfg_w peClockCfg;
++ union peBufThresh_w peBufThresh;
++ union peRingThresh_w peRingThresh;
++
++ /* Reset Engine and setup Mode */
++ peConfig.word = 0;
++ peConfig.bits.resetPE = 1;
++ peConfig.bits.resetRing = 1;
++ peConfig.bits.peMode = 3;
++ peConfig.bits.enCDRupdate = 1;
++
++ writel(peConfig.word, mtk->base + EIP93_REG_PE_CONFIG);
++
++ udelay(10);
++
++ peConfig.bits.resetPE = 0;
++ peConfig.bits.resetRing = 0;
++
++ writel(peConfig.word, mtk->base + EIP93_REG_PE_CONFIG);
++
++ /* Initialize the BYTE_ORDER_CFG register */
++ peEndianCfg.word = 0;
++ writel(peEndianCfg.word, mtk->base + EIP93_REG_PE_ENDIAN_CONFIG);
++
++ /* Initialize the INT_CFG register */
++ peIntCfg.word = 0;
++ writel(peIntCfg.word, mtk->base + EIP93_REG_INT_CFG);
++
++ /* Config Clocks */
++ peClockCfg.word = 0;
++ peClockCfg.bits.enPEclk = 1;
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES)
++ peClockCfg.bits.enDESclk = 1;
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES)
++ peClockCfg.bits.enAESclk = 1;
++#endif
++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC)
++ peClockCfg.bits.enHASHclk = 1;
++#endif
++ writel(peClockCfg.word, mtk->base + EIP93_REG_PE_CLOCK_CTRL);
++
++ /* Config DMA thresholds */
++ peBufThresh.word = 0;
++ peBufThresh.bits.inputBuffer = 128;
++ peBufThresh.bits.outputBuffer = 128;
++
++ writel(peBufThresh.word, mtk->base + EIP93_REG_PE_BUF_THRESH);
++
++ /* Clear/ack all interrupts before disable all */
++ mtk_irq_clear(mtk, 0xFFFFFFFF);
++ mtk_irq_disable(mtk, 0xFFFFFFFF);
++
++ /* Config Ring Threshold */
++ peRingThresh.word = 0;
++ peRingThresh.bits.CDRThresh = MTK_RING_SIZE - MTK_RING_BUSY;
++ peRingThresh.bits.RDRThresh = 0;
++ peRingThresh.bits.RDTimeout = 5;
++ peRingThresh.bits.enTimeout = 1;
++
++ writel(peRingThresh.word, mtk->base + EIP93_REG_PE_RING_THRESH);
++}
++
++static void mtk_desc_free(struct mtk_device *mtk)
++{
++ writel(0, mtk->base + EIP93_REG_PE_RING_CONFIG);
++ writel(0, mtk->base + EIP93_REG_PE_CDR_BASE);
++ writel(0, mtk->base + EIP93_REG_PE_RDR_BASE);
++}
++
++static int mtk_set_ring(struct mtk_device *mtk, struct mtk_desc_ring *ring,
++ int Offset)
++{
++ ring->offset = Offset;
++ ring->base = dmam_alloc_coherent(mtk->dev, Offset * MTK_RING_SIZE,
++ &ring->base_dma, GFP_KERNEL);
++ if (!ring->base)
++ return -ENOMEM;
++
++ ring->write = ring->base;
++ ring->base_end = ring->base + Offset * (MTK_RING_SIZE - 1);
++ ring->read = ring->base;
++
++ return 0;
++}
++
++static int mtk_desc_init(struct mtk_device *mtk)
++{
++ struct mtk_state_pool *saState_pool;
++ struct mtk_desc_ring *cdr = &mtk->ring->cdr;
++ struct mtk_desc_ring *rdr = &mtk->ring->rdr;
++ union peRingCfg_w peRingCfg;
++ int RingOffset, err, i;
++
++ RingOffset = sizeof(struct eip93_descriptor_s);
++
++ err = mtk_set_ring(mtk, cdr, RingOffset);
++ if (err)
++ return err;
++
++ err = mtk_set_ring(mtk, rdr, RingOffset);
++ if (err)
++ return err;
++
++ writel((u32)cdr->base_dma, mtk->base + EIP93_REG_PE_CDR_BASE);
++ writel((u32)rdr->base_dma, mtk->base + EIP93_REG_PE_RDR_BASE);
++
++ peRingCfg.word = 0;
++ peRingCfg.bits.ringSize = MTK_RING_SIZE - 1;
++ peRingCfg.bits.ringOffset = RingOffset / 4;
++
++ writel(peRingCfg.word, mtk->base + EIP93_REG_PE_RING_CONFIG);
++
++ atomic_set(&mtk->ring->free, MTK_RING_SIZE - 1);
++ /* Create State record DMA pool */
++ RingOffset = sizeof(struct saState_s);
++ mtk->ring->saState = dmam_alloc_coherent(mtk->dev,
++ RingOffset * MTK_RING_SIZE,
++ &mtk->ring->saState_dma, GFP_KERNEL);
++ if (!mtk->ring->saState)
++ return -ENOMEM;
++
++ mtk->ring->saState_pool = devm_kcalloc(mtk->dev, 1,
++ sizeof(struct mtk_state_pool) * MTK_RING_SIZE,
++ GFP_KERNEL);
++
++ for (i = 0; i < MTK_RING_SIZE; i++) {
++ saState_pool = &mtk->ring->saState_pool[i];
++ saState_pool->base = mtk->ring->saState + (i * RingOffset);
++ saState_pool->base_dma = mtk->ring->saState_dma + (i * RingOffset);
++ saState_pool->in_use = false;
++ }
++
++ return 0;
++}
++
++static void mtk_cleanup(struct mtk_device *mtk)
++{
++ tasklet_kill(&mtk->ring->done_task);
++
++ /* Clear/ack all interrupts before disable all */
++ mtk_irq_clear(mtk, 0xFFFFFFFF);
++ mtk_irq_disable(mtk, 0xFFFFFFFF);
++
++ writel(0, mtk->base + EIP93_REG_PE_CLOCK_CTRL);
++
++ mtk_desc_free(mtk);
++}
++
++static int mtk_crypto_probe(struct platform_device *pdev)
++{
++ struct device *dev = &pdev->dev;
++ struct mtk_device *mtk;
++ struct resource *res;
++ int err;
++
++ mtk = devm_kzalloc(dev, sizeof(*mtk), GFP_KERNEL);
++ if (!mtk)
++ return -ENOMEM;
++
++ mtk->dev = dev;
++ platform_set_drvdata(pdev, mtk);
++
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ mtk->base = devm_ioremap_resource(&pdev->dev, res);
++
++ if (IS_ERR(mtk->base))
++ return PTR_ERR(mtk->base);
++
++ mtk->irq = platform_get_irq(pdev, 0);
++
++ if (mtk->irq < 0)
++ return mtk->irq;
++
++ err = devm_request_threaded_irq(mtk->dev, mtk->irq, mtk_irq_handler,
++ NULL, IRQF_ONESHOT,
++ dev_name(mtk->dev), mtk);
++
++ mtk->ring = devm_kcalloc(mtk->dev, 1, sizeof(*mtk->ring), GFP_KERNEL);
++
++ if (!mtk->ring)
++ return -ENOMEM;
++
++ err = mtk_desc_init(mtk);
++ if (err)
++ return err;
++
++ tasklet_init(&mtk->ring->done_task, mtk_done_task, (unsigned long)mtk);
++
++ spin_lock_init(&mtk->ring->read_lock);
++ spin_lock_init(&mtk->ring->write_lock);
++
++ mtk_initialize(mtk);
++
++ /* Init. finished, enable RDR interupt */
++ mtk_irq_enable(mtk, EIP93_INT_PE_RDRTHRESH_REQ);
++
++ err = mtk_register_algs(mtk);
++ if (err) {
++ mtk_cleanup(mtk);
++ return err;
++ }
++
++ dev_info(mtk->dev, "EIP93 Crypto Engine Initialized.");
++
++ return 0;
++}
++
++static int mtk_crypto_remove(struct platform_device *pdev)
++{
++ struct mtk_device *mtk = platform_get_drvdata(pdev);
++
++ mtk_unregister_algs(ARRAY_SIZE(mtk_algs));
++ mtk_cleanup(mtk);
++ dev_info(mtk->dev, "EIP93 removed.\n");
++
++ return 0;
++}
++
++#if defined(CONFIG_OF)
++static const struct of_device_id mtk_crypto_of_match[] = {
++ { .compatible = "mediatek,mtk-eip93", },
++ {}
++};
++MODULE_DEVICE_TABLE(of, mtk_crypto_of_match);
++#endif
++
++static struct platform_driver mtk_crypto_driver = {
++ .probe = mtk_crypto_probe,
++ .remove = mtk_crypto_remove,
++ .driver = {
++ .name = "mtk-eip93",
++ .of_match_table = of_match_ptr(mtk_crypto_of_match),
++ },
++};
++module_platform_driver(mtk_crypto_driver);
++
++MODULE_AUTHOR("Richard van Schagen <vschagen@cs.com>");
++MODULE_ALIAS("platform:" KBUILD_MODNAME);
++MODULE_DESCRIPTION("Mediatek EIP-93 crypto engine driver");
++MODULE_LICENSE("GPL v2");
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-main.h
+@@ -0,0 +1,146 @@
++/* SPDX-License-Identifier: GPL-2.0
++ *
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++#ifndef _EIP93_MAIN_H_
++#define _EIP93_MAIN_H_
++
++#include <crypto/internal/aead.h>
++#include <crypto/internal/hash.h>
++#include <crypto/internal/rng.h>
++#include <crypto/internal/skcipher.h>
++#include <linux/device.h>
++#include <linux/interrupt.h>
++
++#define MTK_RING_SIZE 512
++#define MTK_RING_BUSY 32
++#define MTK_CRA_PRIORITY 1500
++
++/* cipher algorithms */
++#define MTK_ALG_DES BIT(0)
++#define MTK_ALG_3DES BIT(1)
++#define MTK_ALG_AES BIT(2)
++#define MTK_ALG_MASK GENMASK(2, 0)
++/* hash and hmac algorithms */
++#define MTK_HASH_MD5 BIT(3)
++#define MTK_HASH_SHA1 BIT(4)
++#define MTK_HASH_SHA224 BIT(5)
++#define MTK_HASH_SHA256 BIT(6)
++#define MTK_HASH_HMAC BIT(7)
++#define MTK_HASH_MASK GENMASK(6, 3)
++/* cipher modes */
++#define MTK_MODE_CBC BIT(8)
++#define MTK_MODE_ECB BIT(9)
++#define MTK_MODE_CTR BIT(10)
++#define MTK_MODE_RFC3686 BIT(11)
++#define MTK_MODE_MASK GENMASK(10, 8)
++
++/* cipher encryption/decryption operations */
++#define MTK_ENCRYPT BIT(12)
++#define MTK_DECRYPT BIT(13)
++
++#define MTK_BUSY BIT(14)
++
++/* descriptor flags */
++#define MTK_DESC_ASYNC BIT(31)
++#define MTK_DESC_SKCIPHER BIT(30)
++#define MTK_DESC_AEAD BIT(29)
++#define MTK_DESC_AHASH BIT(28)
++#define MTK_DESC_PRNG BIT(27)
++#define MTK_DESC_FAKE_HMAC BIT(26)
++#define MTK_DESC_LAST BIT(25)
++#define MTK_DESC_FINISH BIT(24)
++#define MTK_DESC_IPSEC BIT(23)
++#define MTK_DESC_DMA_IV BIT(22)
++
++#define IS_DES(flags) (flags & MTK_ALG_DES)
++#define IS_3DES(flags) (flags & MTK_ALG_3DES)
++#define IS_AES(flags) (flags & MTK_ALG_AES)
++
++#define IS_HASH_MD5(flags) (flags & MTK_HASH_MD5)
++#define IS_HASH_SHA1(flags) (flags & MTK_HASH_SHA1)
++#define IS_HASH_SHA224(flags) (flags & MTK_HASH_SHA224)
++#define IS_HASH_SHA256(flags) (flags & MTK_HASH_SHA256)
++#define IS_HMAC(flags) (flags & MTK_HASH_HMAC)
++
++#define IS_CBC(mode) (mode & MTK_MODE_CBC)
++#define IS_ECB(mode) (mode & MTK_MODE_ECB)
++#define IS_CTR(mode) (mode & MTK_MODE_CTR)
++#define IS_RFC3686(mode) (mode & MTK_MODE_RFC3686)
++
++#define IS_BUSY(flags) (flags & MTK_BUSY)
++#define IS_DMA_IV(flags) (flags & MTK_DESC_DMA_IV)
++
++#define IS_ENCRYPT(dir) (dir & MTK_ENCRYPT)
++#define IS_DECRYPT(dir) (dir & MTK_DECRYPT)
++
++#define IS_CIPHER(flags) (flags & (MTK_ALG_DES || \
++ MTK_ALG_3DES || \
++ MTK_ALG_AES))
++
++#define IS_HASH(flags) (flags & (MTK_HASH_MD5 || \
++ MTK_HASH_SHA1 || \
++ MTK_HASH_SHA224 || \
++ MTK_HASH_SHA256))
++
++/**
++ * struct mtk_device - crypto engine device structure
++ */
++struct mtk_device {
++ void __iomem *base;
++ struct device *dev;
++ struct clk *clk;
++ int irq;
++ struct mtk_ring *ring;
++ struct mtk_state_pool *saState_pool;
++};
++
++struct mtk_desc_ring {
++ void *base;
++ void *base_end;
++ dma_addr_t base_dma;
++ /* write and read pointers */
++ void *read;
++ void *write;
++ /* descriptor element offset */
++ u32 offset;
++};
++
++struct mtk_state_pool {
++ void *base;
++ dma_addr_t base_dma;
++ bool in_use;
++};
++
++struct mtk_ring {
++ struct tasklet_struct done_task;
++ /* command/result rings */
++ struct mtk_desc_ring cdr;
++ struct mtk_desc_ring rdr;
++ spinlock_t write_lock;
++ spinlock_t read_lock;
++ atomic_t free;
++ /* saState */
++ struct mtk_state_pool *saState_pool;
++ void *saState;
++ dma_addr_t saState_dma;
++};
++
++enum mtk_alg_type {
++ MTK_ALG_TYPE_AEAD,
++ MTK_ALG_TYPE_SKCIPHER,
++};
++
++struct mtk_alg_template {
++ struct mtk_device *mtk;
++ enum mtk_alg_type type;
++ u32 flags;
++ union {
++ struct aead_alg aead;
++ struct skcipher_alg skcipher;
++ } alg;
++};
++
++#endif /* _EIP93_MAIN_H_ */
+--- /dev/null
++++ b/drivers/crypto/mtk-eip93/eip93-regs.h
+@@ -0,0 +1,382 @@
++/* SPDX-License-Identifier: GPL-2.0 */
++/*
++ * Copyright (C) 2019 - 2021
++ *
++ * Richard van Schagen <vschagen@icloud.com>
++ */
++#ifndef REG_EIP93_H
++#define REG_EIP93_H
++
++#define EIP93_REG_WIDTH 4
++/*-----------------------------------------------------------------------------
++ * Register Map
++ */
++#define DESP_BASE 0x0000000
++#define EIP93_REG_PE_CTRL_STAT ((DESP_BASE)+(0x00 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_SOURCE_ADDR ((DESP_BASE)+(0x01 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_DEST_ADDR ((DESP_BASE)+(0x02 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_SA_ADDR ((DESP_BASE)+(0x03 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_ADDR ((DESP_BASE)+(0x04 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_USER_ID ((DESP_BASE)+(0x06 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_LENGTH ((DESP_BASE)+(0x07 * EIP93_REG_WIDTH))
++
++//PACKET ENGINE RING configuration registers
++#define PE_RNG_BASE 0x0000080
++
++#define EIP93_REG_PE_CDR_BASE ((PE_RNG_BASE)+(0x00 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_RDR_BASE ((PE_RNG_BASE)+(0x01 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_RING_CONFIG ((PE_RNG_BASE)+(0x02 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_RING_THRESH ((PE_RNG_BASE)+(0x03 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_CD_COUNT ((PE_RNG_BASE)+(0x04 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_RD_COUNT ((PE_RNG_BASE)+(0x05 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_RING_RW_PNTR ((PE_RNG_BASE)+(0x06 * EIP93_REG_WIDTH))
++
++//PACKET ENGINE configuration registers
++#define PE_CFG_BASE 0x0000100
++#define EIP93_REG_PE_CONFIG ((PE_CFG_BASE)+(0x00 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_STATUS ((PE_CFG_BASE)+(0x01 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_BUF_THRESH ((PE_CFG_BASE)+(0x03 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_INBUF_COUNT ((PE_CFG_BASE)+(0x04 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_OUTBUF_COUNT ((PE_CFG_BASE)+(0x05 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_BUF_RW_PNTR ((PE_CFG_BASE)+(0x06 * EIP93_REG_WIDTH))
++
++//PACKET ENGINE endian config
++#define EN_CFG_BASE 0x00001CC
++#define EIP93_REG_PE_ENDIAN_CONFIG ((EN_CFG_BASE)+(0x00 * EIP93_REG_WIDTH))
++
++//EIP93 CLOCK control registers
++#define CLOCK_BASE 0x01E8
++#define EIP93_REG_PE_CLOCK_CTRL ((CLOCK_BASE)+(0x00 * EIP93_REG_WIDTH))
++
++//EIP93 Device Option and Revision Register
++#define REV_BASE 0x01F4
++#define EIP93_REG_PE_OPTION_1 ((REV_BASE)+(0x00 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_OPTION_0 ((REV_BASE)+(0x01 * EIP93_REG_WIDTH))
++#define EIP93_REG_PE_REVISION ((REV_BASE)+(0x02 * EIP93_REG_WIDTH))
++
++//EIP93 Interrupt Control Register
++#define INT_BASE 0x0200
++#define EIP93_REG_INT_UNMASK_STAT ((INT_BASE)+(0x00 * EIP93_REG_WIDTH))
++#define EIP93_REG_INT_MASK_STAT ((INT_BASE)+(0x01 * EIP93_REG_WIDTH))
++#define EIP93_REG_INT_CLR ((INT_BASE)+(0x01 * EIP93_REG_WIDTH))
++#define EIP93_REG_INT_MASK ((INT_BASE)+(0x02 * EIP93_REG_WIDTH))
++#define EIP93_REG_INT_CFG ((INT_BASE)+(0x03 * EIP93_REG_WIDTH))
++#define EIP93_REG_MASK_ENABLE ((INT_BASE)+(0X04 * EIP93_REG_WIDTH))
++#define EIP93_REG_MASK_DISABLE ((INT_BASE)+(0X05 * EIP93_REG_WIDTH))
++
++//EIP93 SA Record register
++#define SA_BASE 0x0400
++#define EIP93_REG_SA_CMD_0 ((SA_BASE)+(0x00 * EIP93_REG_WIDTH))
++#define EIP93_REG_SA_CMD_1 ((SA_BASE)+(0x01 * EIP93_REG_WIDTH))
++
++//#define EIP93_REG_SA_READY ((SA_BASE)+(31 * EIP93_REG_WIDTH))
++
++//State save register
++#define STATE_BASE 0x0500
++#define EIP93_REG_STATE_IV_0 ((STATE_BASE)+(0x00 * EIP93_REG_WIDTH))
++#define EIP93_REG_STATE_IV_1 ((STATE_BASE)+(0x01 * EIP93_REG_WIDTH))
++
++#define EIP93_PE_ARC4STATE_BASEADDR_REG 0x0700
++
++//RAM buffer start address
++#define EIP93_INPUT_BUFFER 0x0800
++#define EIP93_OUTPUT_BUFFER 0x0800
++
++//EIP93 PRNG Configuration Register
++#define PRNG_BASE 0x0300
++#define EIP93_REG_PRNG_STAT ((PRNG_BASE)+(0x00 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_CTRL ((PRNG_BASE)+(0x01 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_SEED_0 ((PRNG_BASE)+(0x02 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_SEED_1 ((PRNG_BASE)+(0x03 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_SEED_2 ((PRNG_BASE)+(0x04 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_SEED_3 ((PRNG_BASE)+(0x05 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_KEY_0 ((PRNG_BASE)+(0x06 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_KEY_1 ((PRNG_BASE)+(0x07 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_KEY_2 ((PRNG_BASE)+(0x08 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_KEY_3 ((PRNG_BASE)+(0x09 * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_RES_0 ((PRNG_BASE)+(0x0A * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_RES_1 ((PRNG_BASE)+(0x0B * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_RES_2 ((PRNG_BASE)+(0x0C * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_RES_3 ((PRNG_BASE)+(0x0D * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_LFSR_0 ((PRNG_BASE)+(0x0E * EIP93_REG_WIDTH))
++#define EIP93_REG_PRNG_LFSR_1 ((PRNG_BASE)+(0x0F * EIP93_REG_WIDTH))
++
++/*-----------------------------------------------------------------------------
++ * Constants & masks
++ */
++
++#define EIP93_SUPPORTED_INTERRUPTS_MASK 0xffff7f00
++#define EIP93_PRNG_DT_TEXT_LOWERHALF 0xDEAD
++#define EIP93_PRNG_DT_TEXT_UPPERHALF 0xC0DE
++#define EIP93_10BITS_MASK 0X3FF
++#define EIP93_12BITS_MASK 0XFFF
++#define EIP93_4BITS_MASK 0X04
++#define EIP93_20BITS_MASK 0xFFFFF
++
++#define EIP93_MIN_DESC_DONE_COUNT 0
++#define EIP93_MAX_DESC_DONE_COUNT 15
++
++#define EIP93_MIN_DESC_PENDING_COUNT 0
++#define EIP93_MAX_DESC_PENDING_COUNT 1023
++
++#define EIP93_MIN_TIMEOUT_COUNT 0
++#define EIP93_MAX_TIMEOUT_COUNT 15
++
++#define EIP93_MIN_PE_INPUT_THRESHOLD 1
++#define EIP93_MAX_PE_INPUT_THRESHOLD 511
++
++#define EIP93_MIN_PE_OUTPUT_THRESHOLD 1
++#define EIP93_MAX_PE_OUTPUT_THRESHOLD 432
++
++#define EIP93_MIN_PE_RING_SIZE 1
++#define EIP93_MAX_PE_RING_SIZE 1023
++
++#define EIP93_MIN_PE_DESCRIPTOR_SIZE 7
++#define EIP93_MAX_PE_DESCRIPTOR_SIZE 15
++
++//3DES keys,seed,known data and its result
++#define EIP93_KEY_0 0x133b3454
++#define EIP93_KEY_1 0x5e5b890b
++#define EIP93_KEY_2 0x5eb30757
++#define EIP93_KEY_3 0x93ab15f7
++#define EIP93_SEED_0 0x62c4bf5e
++#define EIP93_SEED_1 0x972667c8
++#define EIP93_SEED_2 0x6345bf67
++#define EIP93_SEED_3 0xcb3482bf
++#define EIP93_LFSR_0 0xDEADC0DE
++#define EIP93_LFSR_1 0xBEEFF00D
++
++/*-----------------------------------------------------------------------------
++ * EIP93 device initialization specifics
++ */
++
++/*----------------------------------------------------------------------------
++ * Byte Order Reversal Mechanisms Supported in EIP93
++ * EIP93_BO_REVERSE_HALF_WORD : reverse the byte order within a half-word
++ * EIP93_BO_REVERSE_WORD : reverse the byte order within a word
++ * EIP93_BO_REVERSE_DUAL_WORD : reverse the byte order within a dual-word
++ * EIP93_BO_REVERSE_QUAD_WORD : reverse the byte order within a quad-word
++ */
++enum EIP93_Byte_Order_Value_t {
++ EIP93_BO_REVERSE_HALF_WORD = 1,
++ EIP93_BO_REVERSE_WORD = 2,
++ EIP93_BO_REVERSE_DUAL_WORD = 4,
++ EIP93_BO_REVERSE_QUAD_WORD = 8,
++};
++
++/*----------------------------------------------------------------------------
++ * Byte Order Reversal Mechanisms Supported in EIP93 for Target Data
++ * EIP93_BO_REVERSE_HALF_WORD : reverse the byte order within a half-word
++ * EIP93_BO_REVERSE_WORD : reverse the byte order within a word
++ */
++enum EIP93_Byte_Order_Value_TD_t {
++ EIP93_BO_REVERSE_HALF_WORD_TD = 1,
++ EIP93_BO_REVERSE_WORD_TD = 2,
++};
++
++// BYTE_ORDER_CFG register values
++#define EIP93_BYTE_ORDER_PD EIP93_BO_REVERSE_WORD
++#define EIP93_BYTE_ORDER_SA EIP93_BO_REVERSE_WORD
++#define EIP93_BYTE_ORDER_DATA EIP93_BO_REVERSE_WORD
++#define EIP93_BYTE_ORDER_TD EIP93_BO_REVERSE_WORD_TD
++
++// INT_CFG register values
++#define EIP93_INT_HOST_OUTPUT_TYPE 0
++#define EIP93_INT_PULSE_CLEAR 0
++
++/*
++ * Interrupts of EIP93
++ */
++
++enum EIP93_InterruptSource_t {
++ EIP93_INT_PE_CDRTHRESH_REQ = BIT(0),
++ EIP93_INT_PE_RDRTHRESH_REQ = BIT(1),
++ EIP93_INT_PE_OPERATION_DONE = BIT(9),
++ EIP93_INT_PE_INBUFTHRESH_REQ = BIT(10),
++ EIP93_INT_PE_OUTBURTHRSH_REQ = BIT(11),
++ EIP93_INT_PE_PRNG_IRQ = BIT(12),
++ EIP93_INT_PE_ERR_REG = BIT(13),
++ EIP93_INT_PE_RD_DONE_IRQ = BIT(16),
++};
++
++union peConfig_w {
++ u32 word;
++ struct {
++ u32 resetPE :1;
++ u32 resetRing :1;
++ u32 reserved :6;
++ u32 peMode :2;
++ u32 enCDRupdate :1;
++ u32 reserved2 :5;
++ u32 swapCDRD :1;
++ u32 swapSA :1;
++ u32 swapData :1;
++ u32 reserved3 :13;
++ } bits;
++} __packed;
++
++union peEndianCfg_w {
++ u32 word;
++ struct {
++ u32 masterByteSwap :8;
++ u32 reserved :8;
++ u32 targetByteSwap :8;
++ u32 reserved2 :8;
++ } bits;
++} __packed;
++
++union peIntCfg_w {
++ u32 word;
++ struct {
++ u32 PulseClear :1;
++ u32 IntType :1;
++ u32 reserved :30;
++ } bits;
++} __packed;
++
++union peClockCfg_w {
++ u32 word;
++ struct {
++ u32 enPEclk :1;
++ u32 enDESclk :1;
++ u32 enAESclk :1;
++ u32 reserved :1;
++ u32 enHASHclk :1;
++ u32 reserved2 :27;
++ } bits;
++} __packed;
++
++union peBufThresh_w {
++ u32 word;
++ struct {
++ u32 inputBuffer :8;
++ u32 reserved :8;
++ u32 outputBuffer :8;
++ u32 reserved2 :8;
++ } bits;
++} __packed;
++
++union peRingThresh_w {
++ u32 word;
++ struct {
++ u32 CDRThresh :10;
++ u32 reserved :6;
++ u32 RDRThresh :10;
++ u32 RDTimeout :4;
++ u32 reserved2 :1;
++ u32 enTimeout :1;
++ } bits;
++} __packed;
++
++union peRingCfg_w {
++ u32 word;
++ struct {
++ u32 ringSize :10;
++ u32 reserved :6;
++ u32 ringOffset :8;
++ u32 reserved2 :8;
++ } bits;
++} __packed;
++
++union saCmd0 {
++ u32 word;
++ struct {
++ u32 opCode :3;
++ u32 direction :1;
++ u32 opGroup :2;
++ u32 padType :2;
++ u32 cipher :4;
++ u32 hash :4;
++ u32 reserved2 :1;
++ u32 scPad :1;
++ u32 extPad :1;
++ u32 hdrProc :1;
++ u32 digestLength :4;
++ u32 ivSource :2;
++ u32 hashSource :2;
++ u32 saveIv :1;
++ u32 saveHash :1;
++ u32 reserved1 :2;
++ } bits;
++} __packed;
++
++union saCmd1 {
++ u32 word;
++ struct {
++ u32 copyDigest :1;
++ u32 copyHeader :1;
++ u32 copyPayload :1;
++ u32 copyPad :1;
++ u32 reserved4 :4;
++ u32 cipherMode :2;
++ u32 reserved3 :1;
++ u32 sslMac :1;
++ u32 hmac :1;
++ u32 byteOffset :1;
++ u32 reserved2 :2;
++ u32 hashCryptOffset :8;
++ u32 aesKeyLen :3;
++ u32 reserved1 :1;
++ u32 aesDecKey :1;
++ u32 seqNumCheck :1;
++ u32 reserved0 :2;
++ } bits;
++} __packed;
++
++struct saRecord_s {
++ union saCmd0 saCmd0;
++ union saCmd1 saCmd1;
++ u32 saKey[8];
++ u32 saIDigest[8];
++ u32 saODigest[8];
++ u32 saSpi;
++ u32 saSeqNum[2];
++ u32 saSeqNumMask[2];
++ u32 saNonce;
++} __packed;
++
++struct saState_s {
++ u32 stateIv[4];
++ u32 stateByteCnt[2];
++ u32 stateIDigest[8];
++} __packed;
++
++union peCrtlStat_w {
++ u32 word;
++ struct {
++ u32 hostReady :1;
++ u32 peReady :1;
++ u32 reserved :1;
++ u32 initArc4 :1;
++ u32 hashFinal :1;
++ u32 haltMode :1;
++ u32 prngMode :2;
++ u32 padValue :8;
++ u32 errStatus :8;
++ u32 padCrtlStat :8;
++ } bits;
++} __packed;
++
++union peLength_w {
++ u32 word;
++ struct {
++ u32 length :20;
++ u32 reserved :2;
++ u32 hostReady :1;
++ u32 peReady :1;
++ u32 byPass :8;
++ } bits;
++} __packed;
++
++struct eip93_descriptor_s {
++ union peCrtlStat_w peCrtlStat;
++ u32 srcAddr;
++ u32 dstAddr;
++ u32 saAddr;
++ u32 stateAddr;
++ u32 arc4Addr;
++ u32 userId;
++ union peLength_w peLength;
++} __packed;
++
++#endif
+--- a/drivers/crypto/Kconfig
++++ b/drivers/crypto/Kconfig
+@@ -824,4 +824,6 @@ config CRYPTO_DEV_SA2UL
+ source "drivers/crypto/keembay/Kconfig"
+ source "drivers/crypto/aspeed/Kconfig"
+
++source "drivers/crypto/mtk-eip93/Kconfig"
++
+ endif # CRYPTO_HW
+--- a/drivers/crypto/Makefile
++++ b/drivers/crypto/Makefile
+@@ -53,3 +53,4 @@ obj-y += xilinx/
+ obj-y += hisilicon/
+ obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic/
+ obj-y += keembay/
++obj-$(CONFIG_CRYPTO_DEV_EIP93) += mtk-eip93/
projects / openwrt / staging / stintel.git / commitdiff