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| author | Peichao Wang <peichao.wang@bitland.corp-partner.google.com> | 2019-11-28 17:26:19 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-12-26 10:47:29 +0000 |
| commit | da6170a22337af4cf227bdfb4e53fac21516d143 (patch) | |
| tree | 382a549e1b6b63e4f4aae3ba2f314c8e313bde29 /src/mainboard | |
| parent | 58ececfb28f71cd2560fde3a914cca8c7a49c693 (diff) | |
| download | coreboot-da6170a22337af4cf227bdfb4e53fac21516d143.tar.xz | |
mb/google/hatch/akemi: Set touchpad data hold time more than
300ns
According to SI team and vendor request, need to tune I2C bus
0 data hold time more than 300ns
BUG=b:146163044
TEST=build firmware and measure I2C bus 0 data hold time
Signed-off-by: Peichao Wang <peichao.wang@bitland.corp-partner.google.com>
Change-Id: I75e33419cbaef746487de6ee8628d07cf08adaa9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37322
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Philip Chen <philipchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/hatch/variants/akemi/overridetree.cb | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/akemi/overridetree.cb b/src/mainboard/google/hatch/variants/akemi/overridetree.cb index 9b0f5f7b60..d236cb0c94 100644 --- a/src/mainboard/google/hatch/variants/akemi/overridetree.cb +++ b/src/mainboard/google/hatch/variants/akemi/overridetree.cb @@ -57,6 +57,7 @@ chip soc/intel/cannonlake .speed = I2C_SPEED_FAST, .rise_time_ns = 50, .fall_time_ns = 15, + .data_hold_time_ns = 400, }, .i2c[1] = { .speed = I2C_SPEED_FAST, |