diff options
| author | Frank Chu <Frank_Chu@pegatron.corp-partner.google.com> | 2022-12-02 11:19:03 +0800 |
|---|---|---|
| committer | Eric Lai <eric_lai@quanta.corp-partner.google.com> | 2022-12-19 02:21:32 +0000 |
| commit | f99f308826c5d24de996581eaa2c407fbcd7d6b7 (patch) | |
| tree | 1dcf10d788cc3d609608accb053a588f81f3619c /src | |
| parent | 3b32af950d704b1d14ddca917dd480f5ebbf09a5 (diff) | |
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>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/brya/variants/marasov/overridetree.cb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/marasov/overridetree.cb b/src/mainboard/google/brya/variants/marasov/overridetree.cb index 832554e65c..3cf138772a 100644 --- a/src/mainboard/google/brya/variants/marasov/overridetree.cb +++ b/src/mainboard/google/brya/variants/marasov/overridetree.cb @@ -36,16 +36,28 @@ chip soc/intel/alderlake 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, + .rise_time_ns = 600, + .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, }, }" register "sagv" = "SaGv_Enabled" |