/dts-v1/; /include/ "bcm2835-rpi.dtsi" / { compatible = "raspberrypi,model-b-plus", "brcm,bcm2835"; model = "Raspberry Pi Model B+"; leds { act { gpios = <&gpio 47 0>; }; pwr { label = "PWR"; gpios = <&gpio 35 0>; default-state = "keep"; linux,default-trigger = "default-on"; }; }; }; &gpio { pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>; /* I2S interface */ i2s_alt0: i2s_alt0 { brcm,pins = <18 19 20 21>; brcm,function = <4>; /* alt0 */ }; };