arch/arm/boot/dts/kirkwood-ts219-6281.dts

/dts-v1/;

/include/ "kirkwood-ts219.dtsi"

/ {
	gpio_keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;
		button@1 {
			label = "USB Copy";
			linux,code = <133>;
			gpios = <&gpio0 15 1>;
		};
		button@2 {
			label = "Reset";
			linux,code = <0x198>;
			gpios = <&gpio0 16 1>;
		};
	};
};