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mb/google/kahlee/variants/liara: Update Audio/H1/TP i2c timings

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After adjustment on Liara Proto
Audio: 399.2 KHz
H1: 398.3 KHz
TP: 399.0 KHz

BUG=b:113319200
BRANCH=master
TEST=emerge-grunt coreboot chromeos-bootimage
     measure by scope

Change-Id: Ibba8c823ed8451a804cf731d49e7568a94ac7c6b
Signed-off-by: Chris Zhou <chris_zhou@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/28397
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Daniel Kurtz <djkurtz@google.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
This commit is contained in:
Chris Zhou
2018-08-30 16:35:49 +08:00
committed by Martin Roth
parent e27c096b7f
commit ce7bc17149
1 changed files with 4 additions and 4 deletions
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8
src/mainboard/google/kahlee/variants/liara/devicetree.cb
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@@ -24,7 +24,7 @@ chip soc/amd/stoneyridge
# Enable I2C0 for audio, USB3 hub at 400kHz
register "i2c[0]" = "{
.speed = I2C_SPEED_FAST,
.rise_time_ns = 95,
.rise_time_ns = 85,
.fall_time_ns = 3,
}"
@@ -32,15 +32,15 @@ chip soc/amd/stoneyridge
register "i2c[1]" = "{
.early_init = 1,
.speed = I2C_SPEED_FAST,
.rise_time_ns = 84,
.rise_time_ns = 45,
.fall_time_ns = 4,
}"
# Enable I2C2 for trackpad, pen at 400kHz
register "i2c[2]" = "{
.speed = I2C_SPEED_FAST,
.rise_time_ns = 117,
.fall_time_ns = 113,
.rise_time_ns = 48,
.fall_time_ns = 37,
}"
# Enable I2C3 for touchscreen at 400kHz