diff options
| author | Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com> | 2021-12-09 11:35:02 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-12-14 17:06:24 +0000 |
| commit | ee56998a373e452bc1898a7a7fe6da61646f21fd (patch) | |
| tree | 0356c28b1a8189a2f7797d2c4870a76d116ba4e1 /src/arch/arm64/transition_asm.S | |
| parent | ac6070a79fb531975d83a32932f2ad66b5af7825 (diff) | |
mb/google/corsola: set up open-drain ChromeOS pins
Set open-drain GPIOs for ChromeOS as input and high-z mode.
After applying this patch, we can measure these pins from 1.0V to
correct voltage (1.8V) to prevent wrong judgement of low/high.
Reference document:
MT8186_SoC_Pinmux_V1_1
BUG=b:209342636
TEST=measure pins voltage 1.8V on kingler board
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: Ib55a773bb63404a1b952f7e7645eb7aba6638b00
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60002
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/arch/arm64/transition_asm.S')
0 files changed, 0 insertions, 0 deletions