arch/arm/boot/dts/bcm2835-rpi.dtsi

   1 / {
   2         memory {
   3                 reg = <0 0x10000000>;
   4         };
   5
   6         leds {
   7                 compatible = "gpio-leds";
   8
   9                 act {
  10                         label = "ACT";
  11                         default-state = "keep";
  12                         linux,default-trigger = "heartbeat";
  13                 };
  14         };
  15
  16         soc {
  17                 firmware: firmware {
  18                         compatible = "raspberrypi,bcm2835-firmware";
  19                         mboxes = <&mailbox>;
  20                 };
  21         };
  22 };
  23
  24 &gpio {
  25         pinctrl-names = "default";
  26
  27         gpioout: gpioout {
  28                 brcm,pins = <6>;
  29                 brcm,function = <BCM2835_FSEL_GPIO_OUT>;
  30         };
  31
  32         alt0: alt0 {
  33                 brcm,pins = <0 1 2 3 4 5 7 8 9 10 11 14 15 40 45>;
  34                 brcm,function = <BCM2835_FSEL_ALT0>;
  35         };
  36
  37         alt3: alt3 {
  38                 brcm,pins = <48 49 50 51 52 53>;
  39                 brcm,function = <BCM2835_FSEL_ALT3>;
  40         };
  41 };
  42
  43 &i2c0 {
  44         status = "okay";
  45         clock-frequency = <100000>;
  46 };
  47
  48 &i2c1 {
  49         status = "okay";
  50         clock-frequency = <100000>;
  51 };
  52
  53 &i2c2 {
  54         status = "okay";
  55 };
  56
  57 &sdhci {
  58         status = "okay";
  59         bus-width = <4>;
  60 };