Change in ...coreboot[master]: mb/google/sarien: Correct I2C bus clock for touchpad

[Lijian Zhao (Code Review)]

Lijian Zhao has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30653

Change subject: mb/google/sarien: Correct I2C bus clock for touchpad
......................................................................

mb/google/sarien: Correct I2C bus clock for touchpad

Elan touchpad require connected i2c clock to be running at 400Khz, with
the modification can get 404Khz speed from Arcada EVT platform.

BUG=b:119628524
TEST=Build and boot up on Arcada platform, measure the i2c clock is
around 400Khz.

Signed-off-by: Lijian Zhao 
Change-Id: If717cdd6b73394125df54d90f729ffb4ef37b087
---
M src/mainboard/google/sarien/variants/arcada/devicetree.cb
1 file changed, 2 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/53/30653/1

diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
index 52840de..5fdf8fd 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -65,8 +65,8 @@
    	},
    	.i2c[1] = {
    		.speed = I2C_SPEED_FAST,
-			.rise_time_ns = 216,
-			.fall_time_ns = 28,
+			.rise_time_ns = 176,
+			.fall_time_ns = 15,
    	},
    	.i2c[4] = {
    		.early_init = 1,