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| author | Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com> | 2023-01-12 11:31:37 +0800 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2023-01-15 02:05:15 +0000 |
| commit | 429df8adbe91d0cf77369a3070b3d206d50a8890 (patch) | |
| tree | 52190f76bb2c30c07f5af359df9eeda4ab9cc740 /src/mainboard/roda/rk886ex | |
| parent | a4f85470f76de4892f3fe0dcd6eecfd84a841df5 (diff) | |
mb/google/skyrim/var/winterhold: Update I2C bus0 settings
Update settings for touchpad I2C frequency and data hold time.
I2C frequency and data hold time need to meet touchpad spec.
- I2C frequency: 380kHz - 400kHz
- Data hold time: 0.3us - 0.9us
BUG=b:262320419
TEST=On winterhold, touchpad i2c measurement from vendor,
Frequencies: 395 kHz, Data hold time: 0.66 us
Change-Id: I40fa6f9e88656d4ec02a4120f75a2a9413b5abaa
Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71853
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Diffstat (limited to 'src/mainboard/roda/rk886ex')
0 files changed, 0 insertions, 0 deletions