diff options
| author | Rex-BC Chen <rex-bc.chen@mediatek.com> | 2021-09-14 19:26:22 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-09-20 12:08:56 +0000 |
| commit | 50eff1c083669fbcd78780e4e350ea771473c83c (patch) | |
| tree | f7c19e30fc56d72eb0f7eaca0a9124c6218ce006 /src/mainboard/google/cherry/devicetree.cb | |
| parent | 58d2943c3a5a76d3435f0973a5d278aed19f2ada (diff) | |
mb/google/cherry: Fix unusable USB3 HUB
To save the S3 power, USB3_HUB_RST_L is externally pulled up to a
weak resistor so we have to reset the hub via GPIO84 as early
as possible. Otherwise the USB3 hub may be not usable.
BUG=b:199822702
TEST=measure voltage of USB3_HUB_RST_L as 1.8V
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: Ie87d631e83ede819ee9f9951dfc6517beae50247
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57663
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/cherry/devicetree.cb')
0 files changed, 0 insertions, 0 deletions