arch/arm/boot/dts/skeleton64.dtsi

/*
 * Skeleton device tree; the bare minimum needed to boot; just include and
 * add a compatible value.  The bootloader will typically populate the memory
 * node.
 */

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	chosen { };
	aliases { };
	memory {
		#address-cells = <2>;
		#size-cells = <2>;
		device_type = "memory";
		reg = <0 0 0 0>;
	};
};