| commit | e48a709fd7d1d3593fe7a948fa5690a22fe83474 | [log] [tgz] |
|---|---|---|
| author | Peichao Wang <peichao.wang@bitland.corp-partner.google.com> | Tue Oct 15 11:29:36 2019 +0800 |
| committer | Commit Bot <commit-bot@chromium.org> | Wed Oct 16 21:31:15 2019 +0000 |
| tree | cd4503a00791eeb095b5b3284ac07e01b734d1e5 | |
| parent | 8faf6f8d78682306f1a659d5aff069aa7be7c868 [diff] |
UPSTREAM: mb/google/hatch/akemi: Tune I2C bus 1 clock Tune I2C bus 1 clock and insure it meets I2C spec. BUG=b:142683257 TEST==flash coreboot to the DUT and measure I2C bus 1 clock frequency less than 400KHz Change-Id: Ic2d3be802faadaa85f035a5065fa9c194ba8e9e7 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Original-Commit-Id: 04b5123aed8983bb9002402545f2cc62b9ffd148 Original-Signed-off-by: Peichao.Wang <peichao.wang@bitland.corp-partner.google.com> Original-Change-Id: Id4cdbad4dd9d451763fb536988402d6e6fe3a378 Original-Reviewed-on: https://review.coreboot.org/c/coreboot/+/36050 Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Original-Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/1865246 Reviewed-by: Patrick Georgi <pgeorgi@chromium.org> Tested-by: Patrick Georgi <pgeorgi@chromium.org> Commit-Queue: Patrick Georgi <pgeorgi@chromium.org>
diff --git a/src/mainboard/google/hatch/variants/akemi/overridetree.cb b/src/mainboard/google/hatch/variants/akemi/overridetree.cb index 5ba8531..b58beaa 100644 --- a/src/mainboard/google/hatch/variants/akemi/overridetree.cb +++ b/src/mainboard/google/hatch/variants/akemi/overridetree.cb
@@ -35,6 +35,8 @@ }, .i2c[0] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 50, + .fall_time_ns = 15, }, .i2c[1] = { .speed = I2C_SPEED_FAST,