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authorKevin Chiu <Kevin.Chiu@quantatw.com>2018-10-02 09:43:47 +0800
committerMartin Roth <martinroth@google.com>2018-10-03 21:35:48 +0000
commit0612f8d7d587cb0b559fa1f4ce7fca5282b283d1 (patch)
treef62eb0e2521403d7104e5769375b1066353d1d39 /src/mainboard/google
parentd17c4cbf290ed9667b99849b10be2c8919af0e5e (diff)
downloadcoreboot-0612f8d7d587cb0b559fa1f4ce7fca5282b283d1.tar.xz
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>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/kahlee/variants/careena/devicetree.cb6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mainboard/google/kahlee/variants/careena/devicetree.cb b/src/mainboard/google/kahlee/variants/careena/devicetree.cb
index d41e76a6dc..eb2acb9bdf 100644
--- a/src/mainboard/google/kahlee/variants/careena/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/careena/devicetree.cb
@@ -27,7 +27,7 @@ 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 = 58,
.fall_time_ns = 3,
}"
@@ -42,8 +42,8 @@ chip soc/amd/stoneyridge
# Enable I2C2 for trackpad, pen at 400kHz
register "i2c[2]" = "{
.speed = I2C_SPEED_FAST,
- .rise_time_ns = 67,
- .fall_time_ns = 55,
+ .rise_time_ns = 25,
+ .fall_time_ns = 11,
}"
# Enable I2C3 for touchscreen at 400kHz