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 diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
  17 index 14a491c..bd963ef 100644
  18 --- a/arch/arm/boot/dts/Makefile
  19 +++ b/arch/arm/boot/dts/Makefile
  20 @@ -2,6 +2,7 @@ ifeq ($(CONFIG_OF),y)
  21
  22  dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b.dtb
  23  dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b-plus.dtb
  24 +dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-0-w.dtb
  25  dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-cm.dtb
  26  dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-cm.dtb
  27  dtb-$(CONFIG_ARCH_BCM2709) += bcm2709-rpi-2-b.dtb
  28 diff --git a/arch/arm/boot/dts/bcm2708-rpi-0-w.dts b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
  29 new file mode 100644
  30 index 0000000..9f7de60
  31 --- /dev/null
  32 +++ b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
  33 @@ -0,0 +1,200 @@
  34 +/dts-v1/;
  35 +
  36 +#include "bcm2708.dtsi"
  37 +
  38 +/ {
  39 +       compatible = "brcm,bcm2708";
  40 +       model = "Raspberry Pi Zero W";
  41 +};
  42 +
  43 +&gpio {
  44 +       sdhost_pins: sdhost_pins {
  45 +               brcm,pins = <48 49 50 51 52 53>;
  46 +               brcm,function = <4>; /* alt0 */
  47 +       };
  48 +
  49 +       spi0_pins: spi0_pins {
  50 +               brcm,pins = <9 10 11>;
  51 +               brcm,function = <4>; /* alt0 */
  52 +       };
  53 +
  54 +       spi0_cs_pins: spi0_cs_pins {
  55 +               brcm,pins = <8 7>;
  56 +               brcm,function = <1>; /* output */
  57 +       };
  58 +
  59 +       i2c0_pins: i2c0 {
  60 +               brcm,pins = <0 1>;
  61 +               brcm,function = <4>;
  62 +       };
  63 +
  64 +       i2c1_pins: i2c1 {
  65 +               brcm,pins = <2 3>;
  66 +               brcm,function = <4>;
  67 +       };
  68 +
  69 +       i2s_pins: i2s {
  70 +               brcm,pins = <18 19 20 21>;
  71 +               brcm,function = <4>; /* alt0 */
  72 +       };
  73 +
  74 +       sdio_pins: sdio_pins {
  75 +               brcm,pins = <34 35 36 37 38 39>;
  76 +               brcm,function = <7 7 7 7 7 7>; /* ALT3 = SD1 */
  77 +               brcm,pull = <0 2 2 2 2 2>;
  78 +       };
  79 +
  80 +       bt_pins: bt_pins {
  81 +               brcm,pins = <43>;
  82 +               brcm,function = <4>; /* alt0:GPCLK2 */
  83 +               brcm,pull = <0>; /* none */
  84 +       };
  85 +
  86 +       uart0_pins: uart0_pins {
  87 +               brcm,pins = <30 31 32 33>;
  88 +               brcm,function = <7>; /* alt3=UART0 */
  89 +               brcm,pull = <2 0 0 2>; /* up none none up */
  90 +       };
  91 +
  92 +       uart1_pins: uart1_pins {
  93 +               brcm,pins;
  94 +               brcm,function;
  95 +               brcm,pull;
  96 +       };
  97 +
  98 +       audio_pins: audio_pins {
  99 +               brcm,pins = <>;
 100 +               brcm,function = <>;
 101 +       };
 102 +};
 103 +
 104 +&sdhost {
 105 +       pinctrl-names = "default";
 106 +       pinctrl-0 = <&sdhost_pins>;
 107 +       bus-width = <4>;
 108 +       status = "okay";
 109 +};
 110 +
 111 +&mmc {
 112 +       pinctrl-names = "default";
 113 +       pinctrl-0 = <&sdio_pins>;
 114 +       non-removable;
 115 +       bus-width = <4>;
 116 +       status = "okay";
 117 +};
 118 +
 119 +&fb {
 120 +       status = "okay";
 121 +};
 122 +
 123 +&uart0 {
 124 +       pinctrl-names = "default";
 125 +       pinctrl-0 = <&uart0_pins &bt_pins>;
 126 +       status = "okay";
 127 +};
 128 +
 129 +&uart1 {
 130 +       pinctrl-names = "default";
 131 +       pinctrl-0 = <&uart1_pins>;
 132 +       status = "okay";
 133 +};
 134 +
 135 +&spi0 {
 136 +       pinctrl-names = "default";
 137 +       pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 138 +       cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 139 +
 140 +       spidev0: spidev@0{
 141 +               compatible = "spidev";
 142 +               reg = <0>;      /* CE0 */
 143 +               #address-cells = <1>;
 144 +               #size-cells = <0>;
 145 +               spi-max-frequency = <500000>;
 146 +       };
 147 +
 148 +       spidev1: spidev@1{
 149 +               compatible = "spidev";
 150 +               reg = <1>;      /* CE1 */
 151 +               #address-cells = <1>;
 152 +               #size-cells = <0>;
 153 +               spi-max-frequency = <500000>;
 154 +       };
 155 +};
 156 +
 157 +&i2c0 {
 158 +       pinctrl-names = "default";
 159 +       pinctrl-0 = <&i2c0_pins>;
 160 +       clock-frequency = <100000>;
 161 +};
 162 +
 163 +&i2c1 {
 164 +       pinctrl-names = "default";
 165 +       pinctrl-0 = <&i2c1_pins>;
 166 +       clock-frequency = <100000>;
 167 +};
 168 +
 169 +&i2c2 {
 170 +       clock-frequency = <100000>;
 171 +};
 172 +
 173 +&i2s {
 174 +       #sound-dai-cells = <0>;
 175 +       pinctrl-names = "default";
 176 +       pinctrl-0 = <&i2s_pins>;
 177 +};
 178 +
 179 +&random {
 180 +       status = "okay";
 181 +};
 182 +
 183 +&leds {
 184 +       act_led: act {
 185 +               label = "led0";
 186 +               linux,default-trigger = "mmc0";
 187 +               gpios = <&gpio 47 0>;
 188 +       };
 189 +};
 190 +
 191 +&hdmi {
 192 +       hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
 193 +};
 194 +
 195 +&audio {
 196 +       pinctrl-names = "default";
 197 +       pinctrl-0 = <&audio_pins>;
 198 +};
 199 +
 200 +/ {
 201 +       chosen {
 202 +               bootargs = "8250.nr_uarts=1";
 203 +       };
 204 +};
 205 +
 206 +/ {
 207 +       __overrides__ {
 208 +               uart0 = <&uart0>,"status";
 209 +               uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
 210 +               uart1 = <&uart1>,"status";
 211 +               i2s = <&i2s>,"status";
 212 +               spi = <&spi0>,"status";
 213 +               i2c0 = <&i2c0>,"status";
 214 +               i2c1 = <&i2c1>,"status";
 215 +               i2c2_iknowwhatimdoing = <&i2c2>,"status";
 216 +               i2c0_baudrate = <&i2c0>,"clock-frequency:0";
 217 +               i2c1_baudrate = <&i2c1>,"clock-frequency:0";
 218 +               i2c2_baudrate = <&i2c2>,"clock-frequency:0";
 219 +               core_freq = <&clk_core>,"clock-frequency:0";
 220 +
 221 +               act_led_gpio = <&act_led>,"gpios:4";
 222 +               act_led_activelow = <&act_led>,"gpios:8";
 223 +               act_led_trigger = <&act_led>,"linux,default-trigger";
 224 +
 225 +               audio = <&audio>,"status";
 226 +               watchdog = <&watchdog>,"status";
 227 +               random = <&random>,"status";
 228 +               sd_overclock = <&sdhost>,"brcm,overclock-50:0";
 229 +               sd_force_pio = <&sdhost>,"brcm,force-pio?";
 230 +               sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
 231 +               sd_debug     = <&sdhost>,"brcm,debug";
 232 +       };
 233 +};
 234 --
 235 2.1.4
 236