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mb/google/kahlee: Update careena Audio/TP i2c timing 

After adjustment on Careena
Audio: 402.805 kHz -> 396.8 kHz
TP: 406.1 kHz -> 399.5 kHz

BUG=b:110984023
BRANCH=master
TEST=emerge-grunt coreboot
Change-Id: Ia3eb91ca3772d5f122498e3989ec03838fce06a5
Signed-off-by: Kevin Chiu <Kevin.Chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/28868
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Kevin Chiu 2018-10-02 09:43:47 +08:00 committed by Martin Roth
parent d17c4cbf29
commit 0612f8d7d5
1 changed files with 3 additions and 3 deletions
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6
src/mainboard/google/kahlee/variants/careena/devicetree.cb
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@ -27,7 +27,7 @@ chip soc/amd/stoneyridge
# Enable I2C0 for audio, USB3 hub at 400kHz # Enable I2C0 for audio, USB3 hub at 400kHz
register "i2c[0]" = "{ register "i2c[0]" = "{
.speed = I2C_SPEED_FAST, .speed = I2C_SPEED_FAST,
.rise_time_ns = 95, .rise_time_ns = 58,
.fall_time_ns = 3, .fall_time_ns = 3,
}" }"
@ -42,8 +42,8 @@ chip soc/amd/stoneyridge
# Enable I2C2 for trackpad, pen at 400kHz # Enable I2C2 for trackpad, pen at 400kHz
register "i2c[2]" = "{ register "i2c[2]" = "{
.speed = I2C_SPEED_FAST, .speed = I2C_SPEED_FAST,
.rise_time_ns = 67, .rise_time_ns = 25,
.fall_time_ns = 55, .fall_time_ns = 11,
}" }"
# Enable I2C3 for touchscreen at 400kHz # Enable I2C3 for touchscreen at 400kHz