u-boot-brain/tools/binman/test/174_env.dts

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

/dts-v1/;

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

	binman {
		u-boot {
		};
		u-boot-env {
			filename = "env.txt";
			size = <0x18>;
			fill-byte = [ff];
		};
		u-boot-nodtb {
		};
	};
};