target/linux/brcm2708/patches-4.9/0199-BCM270X_DT-Add-bcm2708-rpi-0-w.dts.patch

   1 From 41620ad7f4b059be162f615a7be423df78406d29 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 | 197 ++++++++++++++++++++++++++++++++++
  13  2 files changed, 198 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 @@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
  19         bcm2708-rpi-b.dtb \
  20         bcm2708-rpi-b-plus.dtb \
  21         bcm2708-rpi-cm.dtb \
  22 +       bcm2708-rpi-0-w.dtb \
  23         bcm2709-rpi-2-b.dtb \
  24         bcm2710-rpi-3-b.dtb \
  25         bcm2710-rpi-cm3.dtb
  26 --- /dev/null
  27 +++ b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
  28 @@ -0,0 +1,197 @@
  29 +/dts-v1/;
  30 +
  31 +#include "bcm2708.dtsi"
  32 +
  33 +/ {
  34 +       model = "Raspberry Pi Zero W";
  35 +};
  36 +
  37 +&gpio {
  38 +       sdhost_pins: sdhost_pins {
  39 +               brcm,pins = <48 49 50 51 52 53>;
  40 +               brcm,function = <4>; /* alt0 */
  41 +       };
  42 +
  43 +       spi0_pins: spi0_pins {
  44 +               brcm,pins = <9 10 11>;
  45 +               brcm,function = <4>; /* alt0 */
  46 +       };
  47 +
  48 +       spi0_cs_pins: spi0_cs_pins {
  49 +               brcm,pins = <8 7>;
  50 +               brcm,function = <1>; /* output */
  51 +       };
  52 +
  53 +       i2c0_pins: i2c0 {
  54 +               brcm,pins = <0 1>;
  55 +               brcm,function = <4>;
  56 +       };
  57 +
  58 +       i2c1_pins: i2c1 {
  59 +               brcm,pins = <2 3>;
  60 +               brcm,function = <4>;
  61 +       };
  62 +
  63 +       i2s_pins: i2s {
  64 +               brcm,pins = <18 19 20 21>;
  65 +               brcm,function = <4>; /* alt0 */
  66 +       };
  67 +
  68 +       sdio_pins: sdio_pins {
  69 +               brcm,pins = <34 35 36 37 38 39>;
  70 +               brcm,function = <7>; /* ALT3 = SD1 */
  71 +               brcm,pull = <0 2 2 2 2 2>;
  72 +       };
  73 +
  74 +       bt_pins: bt_pins {
  75 +               brcm,pins = <43>;
  76 +               brcm,function = <4>; /* alt0:GPCLK2 */
  77 +               brcm,pull = <0>; /* none */
  78 +       };
  79 +
  80 +       uart0_pins: uart0_pins {
  81 +               brcm,pins = <30 31 32 33>;
  82 +               brcm,function = <7>; /* alt3=UART0 */
  83 +               brcm,pull = <2 0 0 2>; /* up none none up */
  84 +       };
  85 +
  86 +       uart1_pins: uart1_pins {
  87 +               brcm,pins;
  88 +               brcm,function;
  89 +               brcm,pull;
  90 +       };
  91 +
  92 +       audio_pins: audio_pins {
  93 +               brcm,pins = <>;
  94 +               brcm,function = <>;
  95 +       };
  96 +};
  97 +
  98 +&sdhost {
  99 +       pinctrl-names = "default";
 100 +       pinctrl-0 = <&sdhost_pins>;
 101 +       bus-width = <4>;
 102 +       status = "okay";
 103 +};
 104 +
 105 +&mmc {
 106 +       pinctrl-names = "default";
 107 +       pinctrl-0 = <&sdio_pins>;
 108 +       non-removable;
 109 +       bus-width = <4>;
 110 +       status = "okay";
 111 +};
 112 +
 113 +&fb {
 114 +       status = "okay";
 115 +};
 116 +
 117 +&uart0 {
 118 +       pinctrl-names = "default";
 119 +       pinctrl-0 = <&uart0_pins &bt_pins>;
 120 +       status = "okay";
 121 +};
 122 +
 123 +&uart1 {
 124 +       pinctrl-names = "default";
 125 +       pinctrl-0 = <&uart1_pins>;
 126 +       status = "okay";
 127 +};
 128 +
 129 +&spi0 {
 130 +       pinctrl-names = "default";
 131 +       pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 132 +       cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 133 +
 134 +       spidev0: spidev@0{
 135 +               compatible = "spidev";
 136 +               reg = <0>;      /* CE0 */
 137 +               #address-cells = <1>;
 138 +               #size-cells = <0>;
 139 +               spi-max-frequency = <500000>;
 140 +       };
 141 +
 142 +       spidev1: spidev@1{
 143 +               compatible = "spidev";
 144 +               reg = <1>;      /* CE1 */
 145 +               #address-cells = <1>;
 146 +               #size-cells = <0>;
 147 +               spi-max-frequency = <500000>;
 148 +       };
 149 +};
 150 +
 151 +&i2c0 {
 152 +       pinctrl-names = "default";
 153 +       pinctrl-0 = <&i2c0_pins>;
 154 +       clock-frequency = <100000>;
 155 +};
 156 +
 157 +&i2c1 {
 158 +       pinctrl-names = "default";
 159 +       pinctrl-0 = <&i2c1_pins>;
 160 +       clock-frequency = <100000>;
 161 +};
 162 +
 163 +&i2c2 {
 164 +       clock-frequency = <100000>;
 165 +};
 166 +
 167 +&i2s {
 168 +       #sound-dai-cells = <0>;
 169 +       pinctrl-names = "default";
 170 +       pinctrl-0 = <&i2s_pins>;
 171 +};
 172 +
 173 +&random {
 174 +       status = "okay";
 175 +};
 176 +
 177 +&leds {
 178 +       act_led: act {
 179 +               label = "led0";
 180 +               linux,default-trigger = "mmc0";
 181 +               gpios = <&gpio 47 0>;
 182 +       };
 183 +};
 184 +
 185 +&hdmi {
 186 +       hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
 187 +};
 188 +
 189 +&audio {
 190 +       pinctrl-names = "default";
 191 +       pinctrl-0 = <&audio_pins>;
 192 +};
 193 +
 194 +/ {
 195 +       chosen {
 196 +               bootargs = "8250.nr_uarts=1";
 197 +       };
 198 +};
 199 +
 200 +/ {
 201 +       __overrides__ {
 202 +               uart0 = <&uart0>,"status";
 203 +               uart1 = <&uart1>,"status";
 204 +               i2s = <&i2s>,"status";
 205 +               spi = <&spi0>,"status";
 206 +               i2c0 = <&i2c0>,"status";
 207 +               i2c1 = <&i2c1>,"status";
 208 +               i2c2_iknowwhatimdoing = <&i2c2>,"status";
 209 +               i2c0_baudrate = <&i2c0>,"clock-frequency:0";
 210 +               i2c1_baudrate = <&i2c1>,"clock-frequency:0";
 211 +               i2c2_baudrate = <&i2c2>,"clock-frequency:0";
 212 +
 213 +               act_led_gpio = <&act_led>,"gpios:4";
 214 +               act_led_activelow = <&act_led>,"gpios:8";
 215 +               act_led_trigger = <&act_led>,"linux,default-trigger";
 216 +
 217 +               audio = <&audio>,"status";
 218 +               watchdog = <&watchdog>,"status";
 219 +               random = <&random>,"status";
 220 +               sd_overclock = <&sdhost>,"brcm,overclock-50:0";
 221 +               sd_force_pio = <&sdhost>,"brcm,force-pio?";
 222 +               sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
 223 +               sd_debug     = <&sdhost>,"brcm,debug";
 224 +       };
 225 +};