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mb/google/zork: adjust i2c2 data hold time for TP 

current setting got 0.278us which is less than the min 0.3us.
increase i2c2 data hold time for TP.

BUG=b:163613330
BRANCH=master
TEST=1. emerge-zork coreboot chromeos-bootimage
     2. data hold time measured by scope: 0.3805us

Change-Id: I2d564983383c17ed43cc5cc5aaff0fcd67ce6928
Signed-off-by: Kevin Chiu <kevin.chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44405
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Kevin Chiu 2020-08-12 09:48:11 +08:00 committed by Patrick Georgi
parent eb9337c9cc
commit bed0965442
1 changed files with 1 additions and 0 deletions
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src/mainboard/google/zork/variants/berknip/overridetree.cb
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@ -27,6 +27,7 @@ chip soc/amd/picasso
.speed = I2C_SPEED_FAST, .speed = I2C_SPEED_FAST,
.rise_time_ns = 3, .rise_time_ns = 3,
.fall_time_ns = 2, .fall_time_ns = 2,
.data_hold_time_ns = 400,
}" }"
# Enable I2C3 for H1 400kHz # Enable I2C3 for H1 400kHz