Coffeecake can charge 5V at 3A current. Host high pullup should be
Rp3000 instead of Rp1500. This change sets USB_C_CC1_DEVICE_ODL to
push-pull mode.
BRANCH=none
BUG=b:67910633
TEST=manual
connect Twinkie sink and measure the CC adc
Signed-off-by: Rong Chang <rongchang@chromium.org>
Change-Id: I471c2f2269ad412851096acb23daf1a5b7dab437
Reviewed-on: https://chromium-review.googlesource.com/758319
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
EN_USB_PD leaks ~1V to C0_VBUS. This change turns on PD_DISCHARGE when
C0_VBUS is low.
BRANCH=none
BUG=b:67910512
TEST=manual
load on coffeecake, boot into SRC mode, check C0_VBUS voltage.
Change-Id: Ia650ee83c8fef4228d3bb2f7ec5f9eab3e16bf4d
Signed-off-by: Rong Chang <rongchang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/758318
Reviewed-by: Benson Leung <bleung@chromium.org>
Allocated a new PID from the spreadsheet. Change to it so that we're
different from Hoho (and don't get pushed Hoho's firmware by CrOS).
Signed-off-by: Benson Leung <bleung@chromium.org>
BRANCH=none
BUG=b:67953564
TEST=build, flash, test that Chromebooks don't try to update Coffee Cake
with Hoho's firmware.
Change-Id: Ifa7e80b38016bccdf9c797008078ee951d5e05d9
Reviewed-on: https://chromium-review.googlesource.com/726466
Commit-Ready: Rong Chang <rongchang@chromium.org>
Tested-by: Rong Chang <rongchang@chromium.org>
Reviewed-by: Rong Chang <rongchang@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
This will prevent not allowed voltages (9V) applied on Vbus on initial
attach, where the voltage needs to be vSafe5V.
Signed-off-by: Benson Leung <bleung@chromium.org>
BRANCH=none
BUG=b:67910051
TEST=Plug in Yeeco loader, then walleye, then Yeeco loader. Confirm
5V when loader is attached.
Change-Id: Ic9d40b093d96a4eb8a7ac4649701269f7f55bb33
Reviewed-on: https://chromium-review.googlesource.com/724270
Commit-Ready: Rong Chang <rongchang@chromium.org>
Tested-by: Rong Chang <rongchang@chromium.org>
Reviewed-by: Rong Chang <rongchang@chromium.org>
This bit needs to be set to allow Chromebooks to determine that the dock
is an externally powered DRP, so they'll try to charge from it instead of
sitting there with 5V 0A.
BRANCH=none
BUG=b:69056645
TEST=make buildall -j
Check that Chromebooks successfully charge from Coffee Cake.
Signed-off-by: Benson Leung <bleung@chromium.org>
Change-Id: I9b1f207d976ef55b4a3016ba35c99522d4d1fce6
Reviewed-on: https://chromium-review.googlesource.com/723979
Commit-Ready: Rong Chang <rongchang@chromium.org>
Tested-by: Rong Chang <rongchang@chromium.org>
Reviewed-by: Rong Chang <rongchang@chromium.org>
This change applies the diff between hoho and coffeecake. I2C master
configuration is added to control buck-boost converter.
BRANCH=none
BUG=none
TEST=make buildall -j
Signed-off-by: Rong Chang <rongchang@chromium.org>
Change-Id: Ia700404ccc4e8d2bd8368a823a0cae911257cf7d
Reviewed-on: https://chromium-review.googlesource.com/673965
Reviewed-by: Benson Leung <bleung@chromium.org>
