The only change needed is to update get_value() to support the 'bytes' type correctly with Python 3. With this the dtoc unit tests pass with both Python 2 and 3: PYTHONPATH=/tmp/b/sandbox_spl/scripts/dtc/pylibfdt python \ ./tools/dtoc/dtoc -t PYTHONPATH=~/cosarm/dtc/pylibfdt:tools/patman python3 \ ./tools/dtoc/dtoc -t Signed-off-by: Simon Glass <sjg@chromium.org>