/dts-v1/; #include "bcm2835.dtsi" #include "bcm2835-rpi.dtsi" #include "bcm283x-rpi-usb-host.dtsi" / { compatible = "raspberrypi,model-a", "brcm,bcm2835"; model = "Raspberry Pi Model A"; leds { act { gpios = <&gpio 16 1>; }; }; }; &gpio { pinctrl-0 = <&gpioout &alt0 &i2s_alt2 &alt3>; /* I2S interface */ i2s_alt2: i2s_alt2 { brcm,pins = <28 29 30 31>; brcm,function = ; }; }; &hdmi { hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>; };