arch/arm/boot/dts/broadcom/bcm2709-rpi-2-b.dts

   1 /dts-v1/;
   2
   3 #include "bcm2709.dtsi"
   4 #include "bcm2709-rpi.dtsi"
   5 #include "bcm283x-rpi-smsc9514.dtsi"
   6 #include "bcm283x-rpi-csi1-2lane.dtsi"
   7 #include "bcm283x-rpi-i2c0mux_0_28.dtsi"
   8 #include "bcm283x-rpi-led-deprecated.dtsi"
   9
  10 / {
  11         compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
  12         model = "Raspberry Pi 2 Model B";
  13 };
  14
  15 &gpio {
  16         /*
  17          * Taken from rpi_SCH_2b_1p2_reduced.pdf and
  18          * the official GPU firmware DT blob.
  19          *
  20          * Legend:
  21          * "NC" = not connected (no rail from the SoC)
  22          * "FOO" = GPIO line named "FOO" on the schematic
  23          * "FOO_N" = GPIO line named "FOO" on schematic, active low
  24          */
  25         gpio-line-names = "ID_SDA",
  26                           "ID_SCL",
  27                           "SDA1",
  28                           "SCL1",
  29                           "GPIO_GCLK",
  30                           "GPIO5",
  31                           "GPIO6",
  32                           "SPI_CE1_N",
  33                           "SPI_CE0_N",
  34                           "SPI_MISO",
  35                           "SPI_MOSI",
  36                           "SPI_SCLK",
  37                           "GPIO12",
  38                           "GPIO13",
  39                           /* Serial port */
  40                           "TXD0",
  41                           "RXD0",
  42                           "GPIO16",
  43                           "GPIO17",
  44                           "GPIO18",
  45                           "GPIO19",
  46                           "GPIO20",
  47                           "GPIO21",
  48                           "GPIO22",
  49                           "GPIO23",
  50                           "GPIO24",
  51                           "GPIO25",
  52                           "GPIO26",
  53                           "GPIO27",
  54                           "SDA0",
  55                           "SCL0",
  56                           "NC", /* GPIO30 */
  57                           "LAN_RUN",
  58                           "CAM_GPIO1",
  59                           "NC", /* GPIO33 */
  60                           "NC", /* GPIO34 */
  61                           "PWR_LOW_N",
  62                           "NC", /* GPIO36 */
  63                           "NC", /* GPIO37 */
  64                           "USB_LIMIT",
  65                           "NC", /* GPIO39 */
  66                           "PWM0_OUT",
  67                           "CAM_GPIO0",
  68                           "SMPS_SCL",
  69                           "SMPS_SDA",
  70                           "ETH_CLK",
  71                           "PWM1_OUT",
  72                           "HDMI_HPD_N",
  73                           "STATUS_LED",
  74                           /* Used by SD Card */
  75                           "SD_CLK_R",
  76                           "SD_CMD_R",
  77                           "SD_DATA0_R",
  78                           "SD_DATA1_R",
  79                           "SD_DATA2_R",
  80                           "SD_DATA3_R";
  81
  82         spi0_pins: spi0_pins {
  83                 brcm,pins = <9 10 11>;
  84                 brcm,function = <4>; /* alt0 */
  85         };
  86
  87         spi0_cs_pins: spi0_cs_pins {
  88                 brcm,pins = <8 7>;
  89                 brcm,function = <1>; /* output */
  90         };
  91
  92         i2c0_pins: i2c0 {
  93                 brcm,pins = <0 1>;
  94                 brcm,function = <4>;
  95         };
  96
  97         i2c1_pins: i2c1 {
  98                 brcm,pins = <2 3>;
  99                 brcm,function = <4>;
 100         };
 101
 102         i2s_pins: i2s {
 103                 brcm,pins = <18 19 20 21>;
 104                 brcm,function = <4>; /* alt0 */
 105         };
 106
 107         audio_pins: audio_pins {
 108                 brcm,pins = <40 45>;
 109                 brcm,function = <4>;
 110                 brcm,pull = <0>;
 111         };
 112 };
 113
 114 &uart0 {
 115         status = "okay";
 116 };
 117
 118 &spi0 {
 119         pinctrl-names = "default";
 120         pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 121         cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 122
 123         spidev0: spidev@0{
 124                 compatible = "spidev";
 125                 reg = <0>;      /* CE0 */
 126                 #address-cells = <1>;
 127                 #size-cells = <0>;
 128                 spi-max-frequency = <125000000>;
 129         };
 130
 131         spidev1: spidev@1{
 132                 compatible = "spidev";
 133                 reg = <1>;      /* CE1 */
 134                 #address-cells = <1>;
 135                 #size-cells = <0>;
 136                 spi-max-frequency = <125000000>;
 137         };
 138 };
 139
 140 &i2c0if {
 141         clock-frequency = <100000>;
 142 };
 143
 144 &i2c1 {
 145         pinctrl-names = "default";
 146         pinctrl-0 = <&i2c1_pins>;
 147         clock-frequency = <100000>;
 148 };
 149
 150 &i2c2 {
 151         clock-frequency = <100000>;
 152 };
 153
 154 &i2s {
 155         pinctrl-names = "default";
 156         pinctrl-0 = <&i2s_pins>;
 157 };
 158
 159 &led_act {
 160         gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
 161         default-state = "off";
 162         linux,default-trigger = "mmc0";
 163 };
 164
 165 &leds {
 166         led_pwr: led-pwr {
 167                 label = "PWR";
 168                 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
 169                 default-state = "off";
 170                 linux,default-trigger = "input";
 171         };
 172 };
 173
 174 &hdmi {
 175         hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
 176 };
 177
 178 &vchiq {
 179         pinctrl-names = "default";
 180         pinctrl-0 = <&audio_pins>;
 181 };
 182
 183 &cam1_reg {
 184         gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
 185 };
 186
 187 cam0_reg: &cam_dummy_reg {
 188 };
 189
 190 / {
 191         __overrides__ {
 192                 audio = <&chosen>,"bootargs{on='snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1',off='snd_bcm2835.enable_headphones=0 snd_bcm2835.enable_hdmi=0'}";
 193
 194                 act_led_gpio = <&led_act>,"gpios:4";
 195                 act_led_activelow = <&led_act>,"gpios:8";
 196                 act_led_trigger = <&led_act>,"linux,default-trigger";
 197
 198                 pwr_led_gpio = <&led_pwr>,"gpios:4";
 199                 pwr_led_activelow = <&led_pwr>,"gpios:8";
 200                 pwr_led_trigger = <&led_pwr>,"linux,default-trigger";
 201         };
 202 };