target/linux/brcm2708/patches-4.4/0160-BCM270X_DT-Add-Pi3-support.patch

   1 From 043927e5556d65b6e40d21a0b53bca06aa9b2d43 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 160/304] BCM270X_DT: Add Pi3 support
   5
   6 ---
   7  arch/arm/boot/dts/Makefile            |   1 +
   8  arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 192 ++++++++++++++++++++++++++++++++++
   9  arch/arm/boot/dts/bcm2710.dtsi        | 102 ++++++++++++++++++
  10  3 files changed, 295 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 +1,192 @@
  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 43>;
  75 +               brcm,function = <6 6 6 6 4>;   /* alt2:PCM alt0:GPCLK2 */
  76 +               brcm,pull =     <0 0 0 0 0>;
  77 +       };
  78 +
  79 +       uart0_pins: uart0_pins {
  80 +               brcm,pins = <32 33>;
  81 +               brcm,function = <7>; /* alt3=UART0 */
  82 +               brcm,pull = <0 0>;
  83 +       };
  84 +
  85 +       uart1_pins: uart1_pins {
  86 +               brcm,pins = <14 15>;
  87 +               brcm,function = <2>; /* alt5=UART1 */
  88 +               brcm,pull = <0 0>;
  89 +       };
  90 +};
  91 +
  92 +&sdhost {
  93 +       pinctrl-names = "default";
  94 +       pinctrl-0 = <&sdhost_pins>;
  95 +       bus-width = <4>;
  96 +       status = "okay";
  97 +};
  98 +
  99 +&mmc {
 100 +       pinctrl-names = "default";
 101 +       pinctrl-0 = <&sdio_pins>;
 102 +       non-removable;
 103 +       bus-width = <4>;
 104 +       status = "okay";
 105 +       brcm,overclock-50 = <0>;
 106 +};
 107 +
 108 +&soc {
 109 +       virtgpio: virtgpio {
 110 +               compatible = "brcm,bcm2835-virtgpio";
 111 +               gpio-controller;
 112 +               #gpio-cells = <2>;
 113 +               firmware = <&firmware>;
 114 +               status = "okay";
 115 +       };
 116 +};
 117 +
 118 +&fb {
 119 +       status = "okay";
 120 +};
 121 +
 122 +&uart0 {
 123 +       pinctrl-names = "default";
 124 +       pinctrl-0 = <&uart0_pins &bt_pins>;
 125 +       status = "okay";
 126 +};
 127 +
 128 +&uart1 {
 129 +       pinctrl-names = "default";
 130 +       pinctrl-0 = <&uart1_pins>;
 131 +       status = "okay";
 132 +};
 133 +
 134 +&spi0 {
 135 +       pinctrl-names = "default";
 136 +       pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 137 +       cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 138 +
 139 +       spidev@0{
 140 +               compatible = "spidev";
 141 +               reg = <0>;      /* CE0 */
 142 +               #address-cells = <1>;
 143 +               #size-cells = <0>;
 144 +               spi-max-frequency = <500000>;
 145 +       };
 146 +
 147 +       spidev@1{
 148 +               compatible = "spidev";
 149 +               reg = <1>;      /* CE1 */
 150 +               #address-cells = <1>;
 151 +               #size-cells = <0>;
 152 +               spi-max-frequency = <500000>;
 153 +       };
 154 +};
 155 +
 156 +&i2c0 {
 157 +       pinctrl-names = "default";
 158 +       pinctrl-0 = <&i2c0_pins>;
 159 +       clock-frequency = <100000>;
 160 +};
 161 +
 162 +&i2c1 {
 163 +       pinctrl-names = "default";
 164 +       pinctrl-0 = <&i2c1_pins>;
 165 +       clock-frequency = <100000>;
 166 +};
 167 +
 168 +&i2c2 {
 169 +       clock-frequency = <100000>;
 170 +};
 171 +
 172 +&i2s {
 173 +       #sound-dai-cells = <0>;
 174 +       pinctrl-names = "default";
 175 +       pinctrl-0 = <&i2s_pins>;
 176 +};
 177 +
 178 +&random {
 179 +       status = "okay";
 180 +};
 181 +
 182 +&leds {
 183 +       act_led: act {
 184 +               label = "led0";
 185 +               linux,default-trigger = "mmc0";
 186 +               gpios = <&virtgpio 0 0>;
 187 +       };
 188 +};
 189 +
 190 +/ {
 191 +       chosen {
 192 +               bootargs = "8250.nr_uarts=1";
 193 +       };
 194 +};
 195 +
 196 +/ {
 197 +       __overrides__ {
 198 +               uart0 = <&uart0>,"status";
 199 +               uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
 200 +               i2s = <&i2s>,"status";
 201 +               spi = <&spi0>,"status";
 202 +               i2c0 = <&i2c0>,"status";
 203 +               i2c1 = <&i2c1>,"status";
 204 +               i2c2_iknowwhatimdoing = <&i2c2>,"status";
 205 +               i2c0_baudrate = <&i2c0>,"clock-frequency:0";
 206 +               i2c1_baudrate = <&i2c1>,"clock-frequency:0";
 207 +               i2c2_baudrate = <&i2c2>,"clock-frequency:0";
 208 +               core_freq = <&clk_core>,"clock-frequency:0";
 209 +
 210 +               act_led_gpio = <&act_led>,"gpios:4";
 211 +               act_led_activelow = <&act_led>,"gpios:8";
 212 +               act_led_trigger = <&act_led>,"linux,default-trigger";
 213 +
 214 +               audio = <&audio>,"status";
 215 +               watchdog = <&watchdog>,"status";
 216 +               random = <&random>,"status";
 217 +       };
 218 +};
 219 --- /dev/null
 220 +++ b/arch/arm/boot/dts/bcm2710.dtsi
 221 @@ -0,0 +1,102 @@
 222 +#include "bcm2708_common.dtsi"
 223 +
 224 +/ {
 225 +       compatible = "brcm,bcm2710","brcm,bcm2709";
 226 +       model = "BCM2710";
 227 +
 228 +       chosen {
 229 +               /* No padding required - the boot loader can do that. */
 230 +               bootargs = "";
 231 +       };
 232 +
 233 +       soc {
 234 +               ranges = <0x7e000000 0x3f000000 0x01000000>,
 235 +                        <0x40000000 0x40000000 0x00040000>;
 236 +
 237 +               local_intc: local_intc {
 238 +                       compatible = "brcm,bcm2836-l1-intc";
 239 +                       reg = <0x40000000 0x100>;
 240 +                       interrupt-controller;
 241 +                       #interrupt-cells = <1>;
 242 +                       interrupt-parent = <&local_intc>;
 243 +               };
 244 +
 245 +               arm-pmu {
 246 +                       compatible = "arm,cortex-a7-pmu";
 247 +                       interrupt-parent = <&local_intc>;
 248 +                       interrupts = <9>;
 249 +               };
 250 +
 251 +               gpiomem {
 252 +                       compatible = "brcm,bcm2835-gpiomem";
 253 +                       reg = <0x7e200000 0x1000>;
 254 +                       status = "okay";
 255 +               };
 256 +
 257 +               timer {
 258 +                       compatible = "arm,armv7-timer";
 259 +                       clock-frequency = <19200000>;
 260 +                       interrupt-parent = <&local_intc>;
 261 +                       interrupts = <0>, // PHYS_SECURE_PPI
 262 +                                    <1>, // PHYS_NONSECURE_PPI
 263 +                                    <3>, // VIRT_PPI
 264 +                                    <2>; // HYP_PPI
 265 +                       always-on;
 266 +               };
 267 +
 268 +               syscon@40000000 {
 269 +                       compatible = "brcm,bcm2836-arm-local", "syscon";
 270 +                       reg = <0x40000000 0x100>;
 271 +               };
 272 +       };
 273 +
 274 +       cpus: cpus {
 275 +               #address-cells = <1>;
 276 +               #size-cells = <0>;
 277 +
 278 +               v7_cpu0: cpu@0 {
 279 +                       device_type = "cpu";
 280 +                       compatible = "arm,cortex-a7";
 281 +                       reg = <0x000>;
 282 +                       clock-frequency = <800000000>;
 283 +               };
 284 +
 285 +               v7_cpu1: cpu@1 {
 286 +                       device_type = "cpu";
 287 +                       compatible = "arm,cortex-a7";
 288 +                       reg = <0x001>;
 289 +                       clock-frequency = <800000000>;
 290 +               };
 291 +
 292 +               v7_cpu2: cpu@2 {
 293 +                       device_type = "cpu";
 294 +                       compatible = "arm,cortex-a7";
 295 +                       reg = <0x002>;
 296 +                       clock-frequency = <800000000>;
 297 +               };
 298 +
 299 +               v7_cpu3: cpu@3 {
 300 +                       device_type = "cpu";
 301 +                       compatible = "arm,cortex-a7";
 302 +                       reg = <0x003>;
 303 +                       clock-frequency = <800000000>;
 304 +               };
 305 +       };
 306 +
 307 +       __overrides__ {
 308 +               arm_freq = <&v7_cpu0>, "clock-frequency:0",
 309 +                      <&v7_cpu1>, "clock-frequency:0",
 310 +                      <&v7_cpu2>, "clock-frequency:0",
 311 +                      <&v7_cpu3>, "clock-frequency:0";
 312 +       };
 313 +};
 314 +
 315 +&watchdog {
 316 +       status = "okay";
 317 +};
 318 +
 319 +&intc {
 320 +        compatible = "brcm,bcm2836-armctrl-ic";
 321 +        interrupt-parent = <&local_intc>;
 322 +        interrupts = <8>;
 323 +};