u-boot/tools/binman/test/204_fip_other.dts

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

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

	binman {
		atf-fip {
			fip-hdr-flags = /bits/ 64 <0x123>;
			soc-fw {
				fip-flags = /bits/ 64 <0x123456789abcdef>;
				filename = "bl31.bin";
			};

			_testing {
				fip-type = "rot-cert";
				return-contents-later;
			};
		};
	};
};