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authorDuncan Laurie <dlaurie@chromium.org>2017-04-13 01:38:43 -0700
committerDuncan Laurie <dlaurie@chromium.org>2017-04-14 04:20:09 +0200
commit30783d84cffcb5a997e8d0f4061e3a7962b6417c (patch)
tree07cc7ffb4ca43ecbd92e31917643123d3bfffb47 /gnat.adc
parenta0729d9a561c335b9f7b179602da1c9ed8b34ba5 (diff)
downloadcoreboot-30783d84cffcb5a997e8d0f4061e3a7962b6417c.tar.xz
mainboard/google/eve: Enable internal pull-down on USB_C{0,1}_DP_HPD
These lines act as inputs to both EC and AP and when the corresponding TCPC mux is in low power mode the line is floating. Add an internal pull-down to each GPIO to prevent it from floating in this state. BUG=b:35775012 BRANCH=none TEST=Verify that the kernel does not see a device present on DP when the TCPC mux is in low power mode. Change-Id: Ie229f84871e9994467c0ab660cc7e271a51d9cbb Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/19263 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com>
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