arch/arm/boot/dts/bcm2835-rpi-b-plus.dts

   1 /dts-v1/;
   2 /include/ "bcm2835-rpi.dtsi"
   3
   4 / {
   5         compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
   6         model = "Raspberry Pi Model B+";
   7
   8         leds {
   9                 act {
  10                         gpios = <&gpio 47 0>;
  11                 };
  12
  13                 pwr {
  14                         label = "PWR";
  15                         gpios = <&gpio 35 0>;
  16                         default-state = "keep";
  17                         linux,default-trigger = "default-on";
  18                 };
  19         };
  20 };
  21
  22 &gpio {
  23         pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
  24
  25         /* I2S interface */
  26         i2s_alt0: i2s_alt0 {
  27                 brcm,pins = <18 19 20 21>;
  28                 brcm,function = <4>; /* alt0 */
  29         };
  30 };