U-Boot

// SPDX-License-Identifier: GPL-2.0+

/dts-v1/;

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

	binman {
		multiple-images;

		ti_spl_template: template-1 {
			fit {
				description = "test-desc";
				#address-cells = <1>;
				images {
					atf {
						description = "atf";
						ti-secure {
							type = "collection";
							content = <&atf>;
							keyfile = "key.pem";
						};
						atf: atf-bl31 {
							description = "atf";
						};
					};
				};
			};
		};

		image {
			insert-template = <&ti_spl_template>;
			fit {
				images {
					fdt-0 {
						description = "fdt";
						ti-secure {
							type = "collection";
							content = <&foo_dtb>;
							keyfile = "key.pem";
						};
						foo_dtb: blob-ext {
							filename = "vga.bin";
						};
					};
				};
			};
		};
	};
};