u-boot-brain/tools/binman/test/099_hash_section.dts

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

/ {
	binman {
		section {
			u-boot {
			};
			fill {
				size = <0x10>;
				fill-byte = [61];
			};
			hash {
				algo = "sha256";
			};
		};
	};
};