Brooklyn/kernel/u-boot-master/tools/binman/test/69_fill.dts

// SPDX-License-Identifier: GPL-2.0+
/dts-v1/;

/ {
	#address-cells = <1>;
	#size-cells = <1>;

	binman {
		size = <16>;
		fill {
			size = <8>;
			fill-byte = [ff];
		};
	};
};