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mb/google/brya/var/marasov: Configure I2C high and low time 

Adjust I2C speed for codec, TPM, touchpad, touchscreen.

BUG=b:260565911
TEST=Built and verified adjusted I2C speed

Signed-off-by: Frank Chu <Frank_Chu@pegatron.corp-partner.google.com>
Change-Id: Idcec6e401992d30dff01940c50473cba48cffc19
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70232
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com>
This commit is contained in:
Frank Chu 2022-12-02 11:19:03 +08:00 committed by Eric Lai
parent 3b32af950d
commit f99f308826
1 changed files with 12 additions and 0 deletions
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12
src/mainboard/google/brya/variants/marasov/overridetree.cb
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@ -36,16 +36,28 @@ chip soc/intel/alderlake
register "common_soc_config" = "{ register "common_soc_config" = "{
.i2c[0] = { .i2c[0] = {
.speed = I2C_SPEED_FAST, .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,
.rise_time_ns = 600,
.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,
.fall_time_ns = 400,
.data_hold_time_ns = 50,
}, },
.i2c[5] = { .i2c[5] = {
.speed = I2C_SPEED_FAST, .speed = I2C_SPEED_FAST,
.rise_time_ns = 650,
.fall_time_ns = 400,
.data_hold_time_ns = 50,
}, },
}" }"
register "sagv" = "SaGv_Enabled" register "sagv" = "SaGv_Enabled"