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mb/google/nissa/pujjo: Change TPM I2C freqeuncy to 1 MHz 

Change the TPM I2C freqeuncy to 1 MHz for pujjo.

BUG=b:249953707
TEST=On pujjo, all timing requirements in the spec are met.
Frequencies:
pujjo  - 987.80 kHz

Signed-off-by: Leo Chou <leo.chou@lcfc.corp-partner.google.com>
Change-Id: If99b5022a9b67e9c63c440a1e398d56bb2c467e2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68098
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Reka Norman <rekanorman@chromium.org>
This commit is contained in:
Leo Chou 2022-10-04 15:42:39 +08:00 committed by Martin Roth
parent 11bf65caef
commit f7e52a7aa4
1 changed files with 4 additions and 4 deletions
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8
src/mainboard/google/brya/variants/pujjo/overridetree.cb
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@ -126,11 +126,11 @@ chip soc/intel/alderlake
register "common_soc_config" = "{
.i2c[0] = {
.early_init = 1,
.speed = I2C_SPEED_FAST,
.speed = I2C_SPEED_FAST_PLUS,
.speed_config[0] = {
.speed = I2C_SPEED_FAST,
.scl_lcnt = 160,
.scl_hcnt = 79,
.speed = I2C_SPEED_FAST_PLUS,
.scl_lcnt = 55,
.scl_hcnt = 30,
.sda_hold = 7,
}
},