[coreboot-gerrit] Change in coreboot[master]: mb/google/hatch/akemi: Tune I2C bus 1 clock

[Peichao Li (Code Review)]

Peichao Li has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/36050 )

Change subject: mb/google/hatch/akemi: Tune I2C bus 1 clock
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mb/google/hatch/akemi: Tune I2C bus 1 clock

Tune I2C bus 1 clock and insure it meets I2C spec.

BUG=b:140665478
TEST==flash coreboot to the DUT and measure I2C bus 1 clock
frequency less than 400KHz

Signed-off-by: Peichao.Wang 
Change-Id: Id4cdbad4dd9d451763fb536988402d6e6fe3a378
---
M src/mainboard/google/hatch/variants/akemi/overridetree.cb
1 file changed, 2 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/50/36050/1

diff --git a/src/mainboard/google/hatch/variants/akemi/overridetree.cb b/src/mainboard/google/hatch/variants/akemi/overridetree.cb
index 5ba8531..b58beaa 100644
--- a/src/mainboard/google/hatch/variants/akemi/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/akemi/overridetree.cb
@@ -35,6 +35,8 @@
    	},
    	.i2c[0] = {
    		.speed = I2C_SPEED_FAST,
+			.rise_time_ns = 50,
+			.fall_time_ns = 15,
    	},
    	.i2c[1] = {
    		.speed = I2C_SPEED_FAST,