target/linux/brcm2708/patches-4.4/0591-BCM270X_DT-Add-bcm2708-rpi-0-w.dts.patch

   1 From 97425acaefeeb2bf4a704225b544cdd863bc5bc6 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Tue, 24 May 2016 16:30:05 +0100
   4 Subject: [PATCH] BCM270X_DT: Add bcm2708-rpi-0-w.dts
   5
   6 Add DT support for the Pi Zero W. N.B. It will not be loaded
   7 automatically without a corresponding change to the firmware.
   8
   9 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  10 ---
  11  arch/arm/boot/dts/Makefile            |   1 +
  12  arch/arm/boot/dts/bcm2708-rpi-0-w.dts | 200 ++++++++++++++++++++++++++++++++++
  13  2 files changed, 201 insertions(+)
  14  create mode 100644 arch/arm/boot/dts/bcm2708-rpi-0-w.dts
  15
  16 --- a/arch/arm/boot/dts/Makefile
  17 +++ b/arch/arm/boot/dts/Makefile
  18 @@ -2,6 +2,7 @@ ifeq ($(CONFIG_OF),y)
  19
  20  dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b.dtb
  21  dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b-plus.dtb
  22 +dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-0-w.dtb
  23  dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-cm.dtb
  24  dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-cm.dtb
  25  dtb-$(CONFIG_ARCH_BCM2709) += bcm2709-rpi-2-b.dtb
  26 --- /dev/null
  27 +++ b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
  28 @@ -0,0 +1,200 @@
  29 +/dts-v1/;
  30 +
  31 +#include "bcm2708.dtsi"
  32 +
  33 +/ {
  34 +       compatible = "brcm,bcm2708";
  35 +       model = "Raspberry Pi Zero W";
  36 +};
  37 +
  38 +&gpio {
  39 +       sdhost_pins: sdhost_pins {
  40 +               brcm,pins = <48 49 50 51 52 53>;
  41 +               brcm,function = <4>; /* alt0 */
  42 +       };
  43 +
  44 +       spi0_pins: spi0_pins {
  45 +               brcm,pins = <9 10 11>;
  46 +               brcm,function = <4>; /* alt0 */
  47 +       };
  48 +
  49 +       spi0_cs_pins: spi0_cs_pins {
  50 +               brcm,pins = <8 7>;
  51 +               brcm,function = <1>; /* output */
  52 +       };
  53 +
  54 +       i2c0_pins: i2c0 {
  55 +               brcm,pins = <0 1>;
  56 +               brcm,function = <4>;
  57 +       };
  58 +
  59 +       i2c1_pins: i2c1 {
  60 +               brcm,pins = <2 3>;
  61 +               brcm,function = <4>;
  62 +       };
  63 +
  64 +       i2s_pins: i2s {
  65 +               brcm,pins = <18 19 20 21>;
  66 +               brcm,function = <4>; /* alt0 */
  67 +       };
  68 +
  69 +       sdio_pins: sdio_pins {
  70 +               brcm,pins = <34 35 36 37 38 39>;
  71 +               brcm,function = <7 7 7 7 7 7>; /* ALT3 = SD1 */
  72 +               brcm,pull = <0 2 2 2 2 2>;
  73 +       };
  74 +
  75 +       bt_pins: bt_pins {
  76 +               brcm,pins = <43>;
  77 +               brcm,function = <4>; /* alt0:GPCLK2 */
  78 +               brcm,pull = <0>; /* none */
  79 +       };
  80 +
  81 +       uart0_pins: uart0_pins {
  82 +               brcm,pins = <30 31 32 33>;
  83 +               brcm,function = <7>; /* alt3=UART0 */
  84 +               brcm,pull = <2 0 0 2>; /* up none none up */
  85 +       };
  86 +
  87 +       uart1_pins: uart1_pins {
  88 +               brcm,pins;
  89 +               brcm,function;
  90 +               brcm,pull;
  91 +       };
  92 +
  93 +       audio_pins: audio_pins {
  94 +               brcm,pins = <>;
  95 +               brcm,function = <>;
  96 +       };
  97 +};
  98 +
  99 +&sdhost {
 100 +       pinctrl-names = "default";
 101 +       pinctrl-0 = <&sdhost_pins>;
 102 +       bus-width = <4>;
 103 +       status = "okay";
 104 +};
 105 +
 106 +&mmc {
 107 +       pinctrl-names = "default";
 108 +       pinctrl-0 = <&sdio_pins>;
 109 +       non-removable;
 110 +       bus-width = <4>;
 111 +       status = "okay";
 112 +};
 113 +
 114 +&fb {
 115 +       status = "okay";
 116 +};
 117 +
 118 +&uart0 {
 119 +       pinctrl-names = "default";
 120 +       pinctrl-0 = <&uart0_pins &bt_pins>;
 121 +       status = "okay";
 122 +};
 123 +
 124 +&uart1 {
 125 +       pinctrl-names = "default";
 126 +       pinctrl-0 = <&uart1_pins>;
 127 +       status = "okay";
 128 +};
 129 +
 130 +&spi0 {
 131 +       pinctrl-names = "default";
 132 +       pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 133 +       cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 134 +
 135 +       spidev0: spidev@0{
 136 +               compatible = "spidev";
 137 +               reg = <0>;      /* CE0 */
 138 +               #address-cells = <1>;
 139 +               #size-cells = <0>;
 140 +               spi-max-frequency = <500000>;
 141 +       };
 142 +
 143 +       spidev1: spidev@1{
 144 +               compatible = "spidev";
 145 +               reg = <1>;      /* CE1 */
 146 +               #address-cells = <1>;
 147 +               #size-cells = <0>;
 148 +               spi-max-frequency = <500000>;
 149 +       };
 150 +};
 151 +
 152 +&i2c0 {
 153 +       pinctrl-names = "default";
 154 +       pinctrl-0 = <&i2c0_pins>;
 155 +       clock-frequency = <100000>;
 156 +};
 157 +
 158 +&i2c1 {
 159 +       pinctrl-names = "default";
 160 +       pinctrl-0 = <&i2c1_pins>;
 161 +       clock-frequency = <100000>;
 162 +};
 163 +
 164 +&i2c2 {
 165 +       clock-frequency = <100000>;
 166 +};
 167 +
 168 +&i2s {
 169 +       #sound-dai-cells = <0>;
 170 +       pinctrl-names = "default";
 171 +       pinctrl-0 = <&i2s_pins>;
 172 +};
 173 +
 174 +&random {
 175 +       status = "okay";
 176 +};
 177 +
 178 +&leds {
 179 +       act_led: act {
 180 +               label = "led0";
 181 +               linux,default-trigger = "mmc0";
 182 +               gpios = <&gpio 47 0>;
 183 +       };
 184 +};
 185 +
 186 +&hdmi {
 187 +       hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
 188 +};
 189 +
 190 +&audio {
 191 +       pinctrl-names = "default";
 192 +       pinctrl-0 = <&audio_pins>;
 193 +};
 194 +
 195 +/ {
 196 +       chosen {
 197 +               bootargs = "8250.nr_uarts=1";
 198 +       };
 199 +};
 200 +
 201 +/ {
 202 +       __overrides__ {
 203 +               uart0 = <&uart0>,"status";
 204 +               uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
 205 +               uart1 = <&uart1>,"status";
 206 +               i2s = <&i2s>,"status";
 207 +               spi = <&spi0>,"status";
 208 +               i2c0 = <&i2c0>,"status";
 209 +               i2c1 = <&i2c1>,"status";
 210 +               i2c2_iknowwhatimdoing = <&i2c2>,"status";
 211 +               i2c0_baudrate = <&i2c0>,"clock-frequency:0";
 212 +               i2c1_baudrate = <&i2c1>,"clock-frequency:0";
 213 +               i2c2_baudrate = <&i2c2>,"clock-frequency:0";
 214 +               core_freq = <&clk_core>,"clock-frequency:0";
 215 +
 216 +               act_led_gpio = <&act_led>,"gpios:4";
 217 +               act_led_activelow = <&act_led>,"gpios:8";
 218 +               act_led_trigger = <&act_led>,"linux,default-trigger";
 219 +
 220 +               audio = <&audio>,"status";
 221 +               watchdog = <&watchdog>,"status";
 222 +               random = <&random>,"status";
 223 +               sd_overclock = <&sdhost>,"brcm,overclock-50:0";
 224 +               sd_force_pio = <&sdhost>,"brcm,force-pio?";
 225 +               sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
 226 +               sd_debug     = <&sdhost>,"brcm,debug";
 227 +       };
 228 +};