.. SPDX-License-Identifier: GPL-2.0+ Kernel and multiple compressed FDT blobs ======================================== Since the FDTs are compressed, configurations must provide a compatible string to match directly. :: /dts-v1/; / { description = "Image with single Linux kernel and compressed FDT blobs"; #address-cells = <1>; images { kernel { description = "Vanilla Linux kernel"; data = /incbin/("./vmlinux.bin.gz"); type = "kernel"; arch = "ppc"; os = "linux"; compression = "gzip"; load = <00000000>; entry = <00000000>; hash-1 { algo = "crc32"; }; hash-2 { algo = "sha1"; }; }; fdt@1 { description = "Flattened Device Tree blob 1"; data = /incbin/("./myboard-var1.dtb"); type = "flat_dt"; arch = "ppc"; compression = "gzip"; hash-1 { algo = "crc32"; }; hash-2 { algo = "sha1"; }; }; fdt@2 { description = "Flattened Device Tree blob 2"; data = /incbin/("./myboard-var2.dtb"); type = "flat_dt"; arch = "ppc"; compression = "lzma"; hash-1 { algo = "crc32"; }; hash-2 { algo = "sha1"; }; }; }; configurations { default = "conf@1"; conf@1 { description = "Boot Linux kernel with FDT blob 1"; kernel = "kernel"; fdt = "fdt@1"; compatible = "myvendor,myboard-variant1"; }; conf@2 { description = "Boot Linux kernel with FDT blob 2"; kernel = "kernel"; fdt = "fdt@2"; compatible = "myvendor,myboard-variant2"; }; }; };