diff options
| author | Wisley Chen <wisley.chen@quanta.corp-partner.google.com> | 2022-01-05 19:38:12 +0600 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-01-07 15:28:49 +0000 |
| commit | 8eedca3e9e0bd0d076915ba1f0da344c4fb3de9a (patch) | |
| tree | f828b048acdccc57c4271ae1b52d04ab14bb625b /src/mainboard/google | |
| parent | 08351d27273c15953018395b2eb3fb297a5103b1 (diff) | |
mb/google/brya/var/redrix: Tune I2c frequency
Tune the I2c frequency
I2C0 - 391 kHz
I2C1 - 391 Khz
I2C2 - 393 kHz
I2C3 - 394.7 KHz
I2C5 - 399.6 KHz
BUG=b:213298209
TEST=build
Change-Id: Id15c5298f8917bac404026f1ecb000fa7f925416
Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60791
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/brya/variants/redrix/overridetree.cb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/redrix/overridetree.cb b/src/mainboard/google/brya/variants/redrix/overridetree.cb index 9773076960..013ec09d71 100644 --- a/src/mainboard/google/brya/variants/redrix/overridetree.cb +++ b/src/mainboard/google/brya/variants/redrix/overridetree.cb @@ -64,6 +64,12 @@ chip soc/intel/alderlake #| I2C5 | Trackpad | #+-------------------+---------------------------+ register "common_soc_config" = "{ + .i2c[0] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 650, + .fall_time_ns = 400, + .data_hold_time_ns = 50, + }, .i2c[1] = { .early_init = 1, .speed = I2C_SPEED_FAST, @@ -71,12 +77,24 @@ chip soc/intel/alderlake .fall_time_ns = 400, .data_hold_time_ns = 50, }, + .i2c[2] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 650, + .fall_time_ns = 400, + .data_hold_time_ns = 50, + }, .i2c[3] = { .speed = I2C_SPEED_FAST, .rise_time_ns = 650, .fall_time_ns = 400, .data_hold_time_ns = 50, }, + .i2c[5] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 650, + .fall_time_ns = 400, + .data_hold_time_ns = 50, + }, }" device domain 0 on device ref igpu on |