ar71xx: add support for RB750UPr2

[openwrt/openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-rbspi.c

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rbspi.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rbspi.c
index 8f8a4f5a11dad851ca5c757258f6edee61f1cd29..81659ef5035611c3ef6fd3384668ee632a0f440a 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-rbspi.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rbspi.c
@@ -4,6 +4,7 @@
  *  - MikroTik RouterBOARD mAP L-2nD
  *  - MikroTik RouterBOARD 941L-2nD
  *  - MikroTik RouterBOARD 951Ui-2nD
+ *  - MikroTik RouterBOARD 750UP r2
  *
  *  Copyright (C) 2017 Thibaut VARENE <varenet@parisc-linux.org>
  *
@@ -45,6 +46,7 @@
 #define RBSPI_HAS_WLAN         BIT(1)
 #define RBSPI_HAS_WAN4         BIT(2)  /* has WAN port on PHY4 */
 #define RBSPI_HAS_SSR          BIT(3)  /* has an SSR on SPI bus 0 */
+#define RBSPI_HAS_POE          BIT(4)
 
 #define RB_ROUTERBOOT_OFFSET    0x0000
 #define RB_BIOS_SIZE            0x1000
@@ -418,6 +420,37 @@ static void __init rbhapl_setup(void)
                                        rbspi_gpio_keys_reset16);
 }
 
+/*
+ * The hAP, hEX lite and hEX PoE lite share the same platform
+ */
+static void __init rbspi_952_750r2_setup(u32 flags)
+{
+       if (flags & RBSPI_HAS_SSR)
+               rbspi_spi_cs_gpios[1] = RB952_GPIO_SSR_CS;
+
+       rbspi_peripherals_setup(flags);
+
+       /* GMAC1 is HW MAC + 1, WLAN MAC IS HW MAC + 5 */
+       rbspi_network_setup(flags, 1, 5);
+
+       if (flags & RBSPI_HAS_USB)
+               gpio_request_one(RB952_GPIO_USB_POWER,
+                               GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+                               "USB power");
+
+       if (flags & RBSPI_HAS_POE)
+               gpio_request_one(RB952_GPIO_POE_POWER,
+                               GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+                               "POE power");
+
+       ath79_register_leds_gpio(-1, ARRAY_SIZE(rb952_leds), rb952_leds);
+
+       /* These devices have a single reset button as gpio 16 */
+       ath79_register_gpio_keys_polled(-1, RBSPI_KEYS_POLL_INTERVAL,
+                                       ARRAY_SIZE(rbspi_gpio_keys_reset16),
+                                       rbspi_gpio_keys_reset16);
+}
+
 /*
  * Init the hAP hardware.
  * The 951Ui-2nD (hAP) has 5 ethernet ports, with ports 2-5 being assigned
@@ -430,34 +463,31 @@ static void __init rbhapl_setup(void)
 static void __init rb952_setup(void)
 {
        u32 flags = RBSPI_HAS_WLAN | RBSPI_HAS_WAN4 | RBSPI_HAS_USB |
-                       RBSPI_HAS_SSR;
+                       RBSPI_HAS_SSR | RBSPI_HAS_POE;
 
        if (rbspi_platform_setup())
                return;
 
-       rbspi_spi_cs_gpios[1] = RB952_GPIO_SSR_CS;
-
-       rbspi_peripherals_setup(flags);
-
-       /* GMAC1 is HW MAC + 1, WLAN MAC IS HW MAC + 5 */
-       rbspi_network_setup(flags, 1, 5);
-
-       gpio_request_one(RB952_GPIO_USB_POWER,
-                       GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
-                       "USB power");
+       rbspi_952_750r2_setup(flags);
+}
 
-       gpio_request_one(RB952_GPIO_POE_POWER,
-                       GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
-                       "POE power");
+/*
+ * Init the hEX PoE lite hardware.
+ * The 750UP r2 (hEX PoE lite) is nearly identical to the hAP, only without
+ * WLAN.
+ */
+static void __init rb750upr2_setup(void)
+{
+       u32 flags = RBSPI_HAS_WAN4 | RBSPI_HAS_USB |
+                       RBSPI_HAS_SSR | RBSPI_HAS_POE;
 
-       ath79_register_leds_gpio(-1, ARRAY_SIZE(rb952_leds), rb952_leds);
+       if (rbspi_platform_setup())
+               return;
 
-       /* hAP has a single reset button as gpio 16 */
-       ath79_register_gpio_keys_polled(-1, RBSPI_KEYS_POLL_INTERVAL,
-                                       ARRAY_SIZE(rbspi_gpio_keys_reset16),
-                                       rbspi_gpio_keys_reset16);
+       rbspi_952_750r2_setup(flags);
 }
 
 MIPS_MACHINE_NONAME(ATH79_MACH_RB_MAPL, "map-hb", rbmapl_setup);
 MIPS_MACHINE_NONAME(ATH79_MACH_RB_941, "H951L", rbhapl_setup);
 MIPS_MACHINE_NONAME(ATH79_MACH_RB_952, "952-hb", rb952_setup);
+MIPS_MACHINE_NONAME(ATH79_MACH_RB_750UPR2, "750-hb", rb750upr2_setup);