arch/arm/boot/dts/bcm2708-rpi-zero-w.dts

   1 /dts-v1/;
   2
   3 #include "bcm2708.dtsi"
   4 #include "bcm2708-rpi.dtsi"
   5 #include "bcm283x-rpi-csi1-2lane.dtsi"
   6 #include "bcm283x-rpi-i2c0mux_0_28.dtsi"
   7 #include "bcm2708-rpi-bt.dtsi"
   8
   9 / {
  10         compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
  11         model = "Raspberry Pi Zero W";
  12
  13         chosen {
  14                 bootargs = "coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1";
  15         };
  16
  17         aliases {
  18                 serial0 = &uart1;
  19                 serial1 = &uart0;
  20                 mmc1 = &mmcnr;
  21         };
  22 };
  23
  24 &gpio {
  25         /*
  26          * This is based on the official GPU firmware DT blob.
  27          *
  28          * Legend:
  29          * "NC" = not connected (no rail from the SoC)
  30          * "FOO" = GPIO line named "FOO" on the schematic
  31          * "FOO_N" = GPIO line named "FOO" on schematic, active low
  32          */
  33         gpio-line-names = "ID_SDA",
  34                           "ID_SCL",
  35                           "SDA1",
  36                           "SCL1",
  37                           "GPIO_GCLK",
  38                           "GPIO5",
  39                           "GPIO6",
  40                           "SPI_CE1_N",
  41                           "SPI_CE0_N",
  42                           "SPI_MISO",
  43                           "SPI_MOSI",
  44                           "SPI_SCLK",
  45                           "GPIO12",
  46                           "GPIO13",
  47                           /* Serial port */
  48                           "TXD1",
  49                           "RXD1",
  50                           "GPIO16",
  51                           "GPIO17",
  52                           "GPIO18",
  53                           "GPIO19",
  54                           "GPIO20",
  55                           "GPIO21",
  56                           "GPIO22",
  57                           "GPIO23",
  58                           "GPIO24",
  59                           "GPIO25",
  60                           "GPIO26",
  61                           "GPIO27",
  62                           "SDA0",
  63                           "SCL0",
  64                           /* Used by BT module */
  65                           "CTS0",
  66                           "RTS0",
  67                           "TXD0",
  68                           "RXD0",
  69                           /* Used by Wifi */
  70                           "SD1_CLK",
  71                           "SD1_CMD",
  72                           "SD1_DATA0",
  73                           "SD1_DATA1",
  74                           "SD1_DATA2",
  75                           "SD1_DATA3",
  76                           "CAM_GPIO1", /* GPIO40 */
  77                           "WL_ON", /* GPIO41 */
  78                           "NC", /* GPIO42 */
  79                           "WIFI_CLK", /* GPIO43 */
  80                           "CAM_GPIO0", /* GPIO44 */
  81                           "BT_ON", /* GPIO45 */
  82                           "HDMI_HPD_N",
  83                           "STATUS_LED_N",
  84                           /* Used by SD Card */
  85                           "SD_CLK_R",
  86                           "SD_CMD_R",
  87                           "SD_DATA0_R",
  88                           "SD_DATA1_R",
  89                           "SD_DATA2_R",
  90                           "SD_DATA3_R";
  91
  92         spi0_pins: spi0_pins {
  93                 brcm,pins = <9 10 11>;
  94                 brcm,function = <4>; /* alt0 */
  95         };
  96
  97         spi0_cs_pins: spi0_cs_pins {
  98                 brcm,pins = <8 7>;
  99                 brcm,function = <1>; /* output */
 100         };
 101
 102         i2c0_pins: i2c0 {
 103                 brcm,pins = <0 1>;
 104                 brcm,function = <4>;
 105         };
 106
 107         i2c1_pins: i2c1 {
 108                 brcm,pins = <2 3>;
 109                 brcm,function = <4>;
 110         };
 111
 112         i2s_pins: i2s {
 113                 brcm,pins = <18 19 20 21>;
 114                 brcm,function = <4>; /* alt0 */
 115         };
 116
 117         sdio_pins: sdio_pins {
 118                 brcm,pins = <34 35 36 37 38 39>;
 119                 brcm,function = <7>; /* ALT3 = SD1 */
 120                 brcm,pull = <0 2 2 2 2 2>;
 121         };
 122
 123         bt_pins: bt_pins {
 124                 brcm,pins = <43>;
 125                 brcm,function = <4>; /* alt0:GPCLK2 */
 126                 brcm,pull = <0>; /* none */
 127         };
 128
 129         uart0_pins: uart0_pins {
 130                 brcm,pins = <30 31 32 33>;
 131                 brcm,function = <7>; /* alt3=UART0 */
 132                 brcm,pull = <2 0 0 2>; /* up none none up */
 133         };
 134
 135         uart1_pins: uart1_pins {
 136                 brcm,pins;
 137                 brcm,function;
 138                 brcm,pull;
 139         };
 140
 141         audio_pins: audio_pins {
 142                 brcm,pins = <>;
 143                 brcm,function = <>;
 144         };
 145 };
 146
 147 &mmcnr {
 148         pinctrl-names = "default";
 149         pinctrl-0 = <&sdio_pins>;
 150         bus-width = <4>;
 151         status = "okay";
 152         #address-cells = <1>;
 153         #size-cells = <0>;
 154
 155         brcmf: wifi@1 {
 156                 reg = <1>;
 157                 compatible = "brcm,bcm4329-fmac";
 158         };
 159 };
 160
 161 &uart0 {
 162         pinctrl-names = "default";
 163         pinctrl-0 = <&uart0_pins &bt_pins>;
 164         status = "okay";
 165 };
 166
 167 &uart1 {
 168         pinctrl-names = "default";
 169         pinctrl-0 = <&uart1_pins>;
 170         status = "okay";
 171 };
 172
 173 &spi0 {
 174         pinctrl-names = "default";
 175         pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 176         cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 177
 178         spidev0: spidev@0{
 179                 compatible = "spidev";
 180                 reg = <0>;      /* CE0 */
 181                 #address-cells = <1>;
 182                 #size-cells = <0>;
 183                 spi-max-frequency = <125000000>;
 184         };
 185
 186         spidev1: spidev@1{
 187                 compatible = "spidev";
 188                 reg = <1>;      /* CE1 */
 189                 #address-cells = <1>;
 190                 #size-cells = <0>;
 191                 spi-max-frequency = <125000000>;
 192         };
 193 };
 194
 195 &i2c0if {
 196         clock-frequency = <100000>;
 197 };
 198
 199 &i2c1 {
 200         pinctrl-names = "default";
 201         pinctrl-0 = <&i2c1_pins>;
 202         clock-frequency = <100000>;
 203 };
 204
 205 &i2c2 {
 206         clock-frequency = <100000>;
 207 };
 208
 209 &i2s {
 210         pinctrl-names = "default";
 211         pinctrl-0 = <&i2s_pins>;
 212 };
 213
 214 &leds {
 215         act_led: led-act {
 216                 label = "led0";
 217                 linux,default-trigger = "actpwr";
 218                 gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
 219         };
 220 };
 221
 222 &hdmi {
 223         hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
 224 };
 225
 226 &audio {
 227         pinctrl-names = "default";
 228         pinctrl-0 = <&audio_pins>;
 229         brcm,disable-headphones = <1>;
 230 };
 231
 232 &cam1_reg {
 233         gpio = <&gpio 44 GPIO_ACTIVE_HIGH>;
 234 };
 235
 236 cam0_reg: &cam_dummy_reg {
 237 };
 238
 239 / {
 240         __overrides__ {
 241                 act_led_gpio = <&act_led>,"gpios:4";
 242                 act_led_activelow = <&act_led>,"gpios:8";
 243                 act_led_trigger = <&act_led>,"linux,default-trigger";
 244         };
 245 };