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authorPantelis Antoniou <pantelis.antoniou@konsulko.com>2017-06-14 17:51:11 +0300
committerDavid Gibson <david@gibson.dropbear.id.au>2017-06-15 15:37:07 +0800
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fdtoverlay: A tool that applies overlays
Since libfdt support overlay application on FDT blobs, provide a command line tool that applies an arbitrary number of overlays, one after another to a base fdt blob and output the result in the given file. Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@@ -679,3 +679,17 @@ The syntax of the fdtdump command line is:
Where options are:
-d,--debug Dump debug information while decoding the file
-s,--scan Scan for an embedded fdt in given file
+
+3) fdtoverlay -- Flat Device Tree overlay applicator
+
+The fdtoverlay applies an arbitrary number of FDT overlays to a base FDT blob
+to a given output file.
+
+The syntax of the fdtoverlay command line is:
+
+ fdtoverlay -i <base-blob> -o <output-blob> <overlay-blob0> [<overlay-blob1> ...]
+
+Where options are:
+ -i, --input Input base DT blob
+ -o, --output Output DT blob
+ -v, --verbose Verbose message output