The system device-tree compiler may not be new enough to run the tests we use in U-Boot (e.g. with binman). Allow use of a DTC environment variable to point to the correct dtc. If not defined, the dtc on the default PATH is used.
Signed-off-by: Simon Glass sjg@chromium.org ---
tools/binman/README | 4 ++++ tools/dtoc/fdt_util.py | 3 ++- 2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/tools/binman/README b/tools/binman/README index 08c3e56bde..7f558ec6a9 100644 --- a/tools/binman/README +++ b/tools/binman/README @@ -536,6 +536,10 @@ entry contents. Most of the time such essoteric behaviour is not needed, but it can be essential for complex images.
+If you need to specify a particular device-tree compiler to use, you can define +the DTC environment variable. This can be useful when the system dtc is too +old. +
History / Credits ----------------- diff --git a/tools/dtoc/fdt_util.py b/tools/dtoc/fdt_util.py index ba0b6cc381..ad06245b42 100644 --- a/tools/dtoc/fdt_util.py +++ b/tools/dtoc/fdt_util.py @@ -79,7 +79,8 @@ def EnsureCompiled(fname): '-W', 'no-unit_address_vs_reg'] args.extend(search_list) args.append(dts_input) - command.Run('dtc', *args) + dtc = os.environ.get('DTC') or 'dtc' + command.Run(dtc, *args) return dtb_output
def GetInt(node, propname, default=None):