target/linux/brcm2708/patches-4.4/0167-BCM270X_DT-Add-Pi3-support.patch

   1 From 6aa2c847f76f21c830544e8c79f9030a170ef475 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Thu, 21 Jan 2016 17:57:49 +0000
   4 Subject: [PATCH 167/170] BCM270X_DT: Add Pi3 support
   5
   6 ---
   7  arch/arm/boot/dts/Makefile            |   1 +
   8  arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 174 ++++++++++++++++++++++++++++++++++
   9  arch/arm/boot/dts/bcm2710.dtsi        | 102 ++++++++++++++++++++
  10  3 files changed, 277 insertions(+)
  11  create mode 100644 arch/arm/boot/dts/bcm2710-rpi-3-b.dts
  12  create mode 100644 arch/arm/boot/dts/bcm2710.dtsi
  13
  14 --- a/arch/arm/boot/dts/Makefile
  15 +++ b/arch/arm/boot/dts/Makefile
  16 @@ -5,6 +5,7 @@ dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rp
  17  dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-cm.dtb
  18  dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-cm.dtb
  19  dtb-$(CONFIG_ARCH_BCM2709) += bcm2709-rpi-2-b.dtb
  20 +dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-3-b.dtb
  21
  22  # Raspberry Pi
  23  ifeq ($(CONFIG_ARCH_BCM2708),y)
  24 --- /dev/null
  25 +++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
  26 @@ -0,0 +1,174 @@
  27 +/dts-v1/;
  28 +
  29 +#include "bcm2710.dtsi"
  30 +
  31 +/ {
  32 +       compatible = "brcm,bcm2710","brcm,bcm2709";
  33 +       model = "Raspberry Pi 3 Model B";
  34 +};
  35 +
  36 +&gpio {
  37 +       sdhost_pins: sdhost_pins {
  38 +               brcm,pins = <48 49 50 51 52 53>;
  39 +               brcm,function = <4>; /* alt0 */
  40 +       };
  41 +
  42 +       spi0_pins: spi0_pins {
  43 +               brcm,pins = <9 10 11>;
  44 +               brcm,function = <4>; /* alt0 */
  45 +       };
  46 +
  47 +       spi0_cs_pins: spi0_cs_pins {
  48 +               brcm,pins = <8 7>;
  49 +               brcm,function = <1>; /* output */
  50 +       };
  51 +
  52 +       i2c0_pins: i2c0 {
  53 +               brcm,pins = <0 1>;
  54 +               brcm,function = <4>;
  55 +       };
  56 +
  57 +       i2c1_pins: i2c1 {
  58 +               brcm,pins = <2 3>;
  59 +               brcm,function = <4>;
  60 +       };
  61 +
  62 +       i2s_pins: i2s {
  63 +               brcm,pins = <18 19 20 21>;
  64 +               brcm,function = <4>; /* alt0 */
  65 +       };
  66 +
  67 +       sdio_pins: sdio_pins {
  68 +               brcm,pins =     <34 35 36 37 38 39>;
  69 +               brcm,function = <7>; // alt3 = SD1
  70 +               brcm,pull =     <0 2 2 2 2 2>;
  71 +       };
  72 +
  73 +       bt_pins: bt_pins {
  74 +               brcm,pins =     <28 29 30 31 14 15 43>;
  75 +               brcm,function = <6 6 6 6 2 2 4>;
  76 +                       // alt2:PCM alt5:UART1 alt0:GPCLK2
  77 +               brcm,pull =     <0 0 0 0 0 2 0>;
  78 +       };
  79 +
  80 +       uart1_pins: uart1_pins {
  81 +               brcm,pins = <32 33>;
  82 +               brcm,function = <7>; /* alt3=UART0 */
  83 +               brcm,pull = <0>;
  84 +       };
  85 +};
  86 +
  87 +&sdhost {
  88 +       pinctrl-names = "default";
  89 +       pinctrl-0 = <&sdhost_pins>;
  90 +       bus-width = <4>;
  91 +       status = "okay";
  92 +};
  93 +
  94 +&mmc {
  95 +       pinctrl-names = "default";
  96 +       pinctrl-0 = <&sdio_pins>;
  97 +       non-removable;
  98 +       bus-width = <4>;
  99 +       status = "okay";
 100 +};
 101 +
 102 +&fb {
 103 +       status = "okay";
 104 +};
 105 +
 106 +&uart0 {
 107 +       status = "okay";
 108 +};
 109 +
 110 +&uart1 {
 111 +       pinctrl-names = "default";
 112 +       pinctrl-0 = <&uart1_pins &bt_pins>;
 113 +       status = "okay";
 114 +};
 115 +
 116 +&spi0 {
 117 +       pinctrl-names = "default";
 118 +       pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 119 +       cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 120 +
 121 +       spidev@0{
 122 +               compatible = "spidev";
 123 +               reg = <0>;      /* CE0 */
 124 +               #address-cells = <1>;
 125 +               #size-cells = <0>;
 126 +               spi-max-frequency = <500000>;
 127 +       };
 128 +
 129 +       spidev@1{
 130 +               compatible = "spidev";
 131 +               reg = <1>;      /* CE1 */
 132 +               #address-cells = <1>;
 133 +               #size-cells = <0>;
 134 +               spi-max-frequency = <500000>;
 135 +       };
 136 +};
 137 +
 138 +&i2c0 {
 139 +       pinctrl-names = "default";
 140 +       pinctrl-0 = <&i2c0_pins>;
 141 +       clock-frequency = <100000>;
 142 +};
 143 +
 144 +&i2c1 {
 145 +       pinctrl-names = "default";
 146 +       pinctrl-0 = <&i2c1_pins>;
 147 +       clock-frequency = <100000>;
 148 +};
 149 +
 150 +&i2c2 {
 151 +       clock-frequency = <100000>;
 152 +};
 153 +
 154 +&i2s {
 155 +       #sound-dai-cells = <0>;
 156 +       pinctrl-names = "default";
 157 +       pinctrl-0 = <&i2s_pins>;
 158 +};
 159 +
 160 +&random {
 161 +       status = "okay";
 162 +};
 163 +
 164 +&leds {
 165 +       act_led: act {
 166 +               label = "led0";
 167 +               linux,default-trigger = "mmc0";
 168 +               gpios = <&gpio 47 0>;
 169 +       };
 170 +};
 171 +
 172 +/ {
 173 +       chosen {
 174 +               bootargs = "8250.nr_uarts=1";
 175 +       };
 176 +};
 177 +
 178 +/ {
 179 +       __overrides__ {
 180 +               uart0 = <&uart0>,"status";
 181 +               uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
 182 +               i2s = <&i2s>,"status";
 183 +               spi = <&spi0>,"status";
 184 +               i2c0 = <&i2c0>,"status";
 185 +               i2c1 = <&i2c1>,"status";
 186 +               i2c2_iknowwhatimdoing = <&i2c2>,"status";
 187 +               i2c0_baudrate = <&i2c0>,"clock-frequency:0";
 188 +               i2c1_baudrate = <&i2c1>,"clock-frequency:0";
 189 +               i2c2_baudrate = <&i2c2>,"clock-frequency:0";
 190 +               core_freq = <&clk_core>,"clock-frequency:0";
 191 +
 192 +               act_led_gpio = <&act_led>,"gpios:4";
 193 +               act_led_activelow = <&act_led>,"gpios:8";
 194 +               act_led_trigger = <&act_led>,"linux,default-trigger";
 195 +
 196 +               audio = <&audio>,"status";
 197 +               watchdog = <&watchdog>,"status";
 198 +               random = <&random>,"status";
 199 +       };
 200 +};
 201 --- /dev/null
 202 +++ b/arch/arm/boot/dts/bcm2710.dtsi
 203 @@ -0,0 +1,102 @@
 204 +#include "bcm2708_common.dtsi"
 205 +
 206 +/ {
 207 +       compatible = "brcm,bcm2710","brcm,bcm2709";
 208 +       model = "BCM2710";
 209 +
 210 +       chosen {
 211 +               /* No padding required - the boot loader can do that. */
 212 +               bootargs = "";
 213 +       };
 214 +
 215 +       soc {
 216 +               ranges = <0x7e000000 0x3f000000 0x01000000>,
 217 +                        <0x40000000 0x40000000 0x00040000>;
 218 +
 219 +               local_intc: local_intc {
 220 +                       compatible = "brcm,bcm2836-l1-intc";
 221 +                       reg = <0x40000000 0x100>;
 222 +                       interrupt-controller;
 223 +                       #interrupt-cells = <1>;
 224 +                       interrupt-parent = <&local_intc>;
 225 +               };
 226 +
 227 +               arm-pmu {
 228 +                       compatible = "arm,cortex-a7-pmu";
 229 +                       interrupt-parent = <&local_intc>;
 230 +                       interrupts = <9>;
 231 +               };
 232 +
 233 +               gpiomem {
 234 +                       compatible = "brcm,bcm2835-gpiomem";
 235 +                       reg = <0x7e200000 0x1000>;
 236 +                       status = "okay";
 237 +               };
 238 +
 239 +               timer {
 240 +                       compatible = "arm,armv7-timer";
 241 +                       clock-frequency = <19200000>;
 242 +                       interrupt-parent = <&local_intc>;
 243 +                       interrupts = <0>, // PHYS_SECURE_PPI
 244 +                                    <1>, // PHYS_NONSECURE_PPI
 245 +                                    <3>, // VIRT_PPI
 246 +                                    <2>; // HYP_PPI
 247 +                       always-on;
 248 +               };
 249 +
 250 +               syscon@40000000 {
 251 +                       compatible = "brcm,bcm2836-arm-local", "syscon";
 252 +                       reg = <0x40000000 0x100>;
 253 +               };
 254 +       };
 255 +
 256 +       cpus: cpus {
 257 +               #address-cells = <1>;
 258 +               #size-cells = <0>;
 259 +
 260 +               v7_cpu0: cpu@0 {
 261 +                       device_type = "cpu";
 262 +                       compatible = "arm,cortex-a7";
 263 +                       reg = <0x000>;
 264 +                       clock-frequency = <800000000>;
 265 +               };
 266 +
 267 +               v7_cpu1: cpu@1 {
 268 +                       device_type = "cpu";
 269 +                       compatible = "arm,cortex-a7";
 270 +                       reg = <0x001>;
 271 +                       clock-frequency = <800000000>;
 272 +               };
 273 +
 274 +               v7_cpu2: cpu@2 {
 275 +                       device_type = "cpu";
 276 +                       compatible = "arm,cortex-a7";
 277 +                       reg = <0x002>;
 278 +                       clock-frequency = <800000000>;
 279 +               };
 280 +
 281 +               v7_cpu3: cpu@3 {
 282 +                       device_type = "cpu";
 283 +                       compatible = "arm,cortex-a7";
 284 +                       reg = <0x003>;
 285 +                       clock-frequency = <800000000>;
 286 +               };
 287 +       };
 288 +
 289 +       __overrides__ {
 290 +               arm_freq = <&v7_cpu0>, "clock-frequency:0",
 291 +                      <&v7_cpu1>, "clock-frequency:0",
 292 +                      <&v7_cpu2>, "clock-frequency:0",
 293 +                      <&v7_cpu3>, "clock-frequency:0";
 294 +       };
 295 +};
 296 +
 297 +&watchdog {
 298 +       status = "okay";
 299 +};
 300 +
 301 +&intc {
 302 +        compatible = "brcm,bcm2836-armctrl-ic";
 303 +        interrupt-parent = <&local_intc>;
 304 +        interrupts = <8>;
 305 +};