/dts-v1/; #include "jz4755.dtsi" / { model = "Ritmix RZX-50"; compatible = "ritmix,rzx50"; memory@0 { device_type = "memory"; reg = <0x00000000 0x4000000>; }; gpio-leds { compatible = "gpio-leds"; lcd-backlight-enable { label = "lcd backlight"; gpios = <&gpio4 22 0>; linux,default-trigger = "default-on"; }; }; }; &serial1 { status = "okay"; };