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mb/google/brya/var/kano: adjust I2C3 speed 

This change adjusts I2C3 speed to lower then 400KHz.

BUG=b:215095284
BRANCH=None
TEST=built and verified adjusted I2C3 speed < 400KHz

Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Change-Id: Ief6773bc37931a5393b5b1b8beaeda61d235f133
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61272
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
This commit is contained in:
David Wu 2022-01-20 20:43:35 +08:00 committed by Felix Held
parent ccd0905a23
commit 65aaccda59
1 changed files with 1 additions and 1 deletions
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src/mainboard/google/brya/variants/kano/overridetree.cb
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@ -56,7 +56,7 @@ chip soc/intel/alderlake
.data_hold_time_ns = 50, .data_hold_time_ns = 50,
}, },
.i2c[3] = { .i2c[3] = {
.speed = I2C_SPEED_FAST, .speed = 390000,
.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,