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authorChris Zhou <chris_zhou@compal.corp-partner.google.com>2018-08-30 16:35:49 +0800
committerMartin Roth <martinroth@google.com>2018-08-31 18:41:24 +0000
commitce7bc17149b3220cd4b2589a77cc92ff3719dc63 (patch)
tree33ee87b599198d1d92ea2539b816b00798a0e2e4 /src
parente27c096b7f20e5f5424f1e912d7a88d820285e71 (diff)
downloadcoreboot-ce7bc17149b3220cd4b2589a77cc92ff3719dc63.tar.xz
mb/google/kahlee/variants/liara: Update Audio/H1/TP i2c timings
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>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/kahlee/variants/liara/devicetree.cb8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mainboard/google/kahlee/variants/liara/devicetree.cb b/src/mainboard/google/kahlee/variants/liara/devicetree.cb
index b330ec5189..cf6dd5f3ff 100644
--- a/src/mainboard/google/kahlee/variants/liara/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/liara/devicetree.cb
@@ -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