From 7752645041c3094f9f58bc347d2bc1c23fe2cfb0 Mon Sep 17 00:00:00 2001 From: John Su Date: Tue, 11 Jun 2019 08:59:03 +0800 Subject: mb/google/hatch/variants/hatch: Adjust all I2C CLK to meet spec After adjustment on Hatch Touch Pad CLK: 383.4 KHz Touch Screen CLK: 381.6 KHz SAR Sensor CLK: 392.0 KHz Audio codec CLK: 386.0 KHz BUG=b:134911522 BRANCH=master TEST=emerge-hatch coreboot chromeos-bootimage measure by scope with hatch. Change-Id: Iee2b692c268381af267b70e92a577ac89ce41cbb Signed-off-by: John Su Reviewed-on: https://review.coreboot.org/c/coreboot/+/33384 Tested-by: build bot (Jenkins) Reviewed-by: Paul Fagerburg Reviewed-by: Furquan Shaikh --- src/mainboard/google/hatch/variants/hatch/overridetree.cb | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'src') diff --git a/src/mainboard/google/hatch/variants/hatch/overridetree.cb b/src/mainboard/google/hatch/variants/hatch/overridetree.cb index 3846b609f8..d676843720 100644 --- a/src/mainboard/google/hatch/variants/hatch/overridetree.cb +++ b/src/mainboard/google/hatch/variants/hatch/overridetree.cb @@ -35,12 +35,23 @@ chip soc/intel/cannonlake }, .i2c[0] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 50, + .fall_time_ns = 15, }, .i2c[1] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 60, + .fall_time_ns = 25, + }, + .i2c[3] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 150, + .fall_time_ns = 150, }, .i2c[4] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 120, + .fall_time_ns = 120, }, }" -- cgit v1.2.3