Allow boards to customize both the PWM frequency / period and the
enabling of complementary output signals.
BUG=chrome-os-partner:48044
TEST=Manual with snoball w/ subsequent commit. Run `pwm <ch> 50` for
each channel, verify with `adc` that each PD output voltage is
approximately VBUCK / 2.
BRANCH=None
Change-Id: I61cbb4a5b656f41ec7cec59339f5247902256295
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/315141
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
99c186b701