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The 5V power good signal is being removed from the PMIC power good tree, however, if the 5V power good is not asserted, we should not try booting to S0. This is because the 1050_STG rail load switch is powered off of the 5V rail. Since wireless power control is being moved to the AP, these pins are now repurposed to control the PMIC enable and for the 5V power good signal. This commit adds the 5V power good pin to the EC and makes it a required power signal for S0. BUG=b:66000679 BRANCH=None TEST=make -j buildall TEST=flash zoombini; Verify EC boots up okay. Change-Id: I8924320030a00b8808aea27fb668451e6e41d590 Signed-off-by: Aseda Aboagye <aaboagye@google.com> Reviewed-on: https://chromium-review.googlesource.com/736312 Commit-Ready: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Shawn N <shawnn@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly