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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>
This commit is contained in:
Wisley Chen 2022-01-05 19:38:12 +06:00 committed by Felix Held
parent 08351d2727
commit 8eedca3e9e
1 changed files with 18 additions and 0 deletions
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18
src/mainboard/google/brya/variants/redrix/overridetree.cb
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@ -64,6 +64,12 @@ chip soc/intel/alderlake
#| I2C5 | Trackpad | #| I2C5 | Trackpad |
#+-------------------+---------------------------+ #+-------------------+---------------------------+
register "common_soc_config" = "{ 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] = { .i2c[1] = {
.early_init = 1, .early_init = 1,
.speed = I2C_SPEED_FAST, .speed = I2C_SPEED_FAST,
@ -71,12 +77,24 @@ chip soc/intel/alderlake
.fall_time_ns = 400, .fall_time_ns = 400,
.data_hold_time_ns = 50, .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] = { .i2c[3] = {
.speed = I2C_SPEED_FAST, .speed = I2C_SPEED_FAST,
.rise_time_ns = 650, .rise_time_ns = 650,
.fall_time_ns = 400, .fall_time_ns = 400,
.data_hold_time_ns = 50, .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 domain 0 on
device ref igpu on device ref igpu on