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0330d9adf2
Minimuffin is identical to zinger, same MCU, same gpio, same circuitry aroundt the MCU with two differences: - Rated current is 2.25A instead of 3A - USB PD hardware device ID needs to be different so that host can differentiate between the two. Due to the similarity between the two, minimuffin is defined as a symlink to the zinger board. BUG=none BRANCH=samus TEST=make BOARD=minimuffin load onto a zinger and verify that samus reads device ID correctly and limits input current limit to 2.25mA. Change-Id: Ie39ec43262c7d14663eb68abff073bfeec451a24 Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/220689 Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit