diff options
| author | Zhongtian Wu <wuzhongtian@huaqin.corp-partner.google.com> | 2023-06-30 09:52:24 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-07-05 12:53:33 +0000 |
| commit | 969a2a9a30a2d2c0ec855b832ea32b706fb4b4b2 (patch) | |
| tree | 07c9925ed4fdbd4a35261d71b8e74b96a4502d09 /src/mainboard/google/rex | |
| parent | 35ef2e5606b51bc28fc295e01f72c4f37779b497 (diff) | |
mb/google/rex/var/screebo: Update touchpad I2C timing
Change i2c[3] parameter to meet below timing:
t-HIGH > 600ns;
900ns > Thd:dat > 300ns.
BUG=b:286030723
BRANCH=none
TEST=Test success by EE.
Change-Id: I4b2d958a5a0d41e2cfa1087f5cb94cc83bbb1739
Signed-off-by: Zhongtian Wu <wuzhongtian@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76169
Reviewed-by: Kun Liu <liukun11@huaqin.corp-partner.google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/rex')
| -rw-r--r-- | src/mainboard/google/rex/variants/screebo/overridetree.cb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb index 3515ae7c95..c43c09f0fb 100644 --- a/src/mainboard/google/rex/variants/screebo/overridetree.cb +++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb @@ -95,8 +95,8 @@ chip soc/intel/meteorlake .i2c[3] = { .speed = I2C_SPEED_FAST, .rise_time_ns = 650, - .fall_time_ns = 400, - .data_hold_time_ns = 50, + .fall_time_ns = 150, + .data_hold_time_ns = 400, }, .i2c[4] = { .early_init = 1, |