cros_fdt/test-files/external_refs_base.dts

/dts-v1/;

/ {
    ext1: node_ext1 {
        prop1;
        prop2 = <0x00000010>;
        phandle = <0x00000001>;

        ext2: node_ext2 {
            prop1;
            phandle = <0x00000002>;
        };
    };

    ext3: node_ext3 {
        prop1;
        phandle = <0x00000003>;
    };
};