[XS] Change in coreboot[main]: mb/google/brox: Configure I2C timing for I2C devices

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/81348?usp=email )

Change subject: mb/google/brox: Configure I2C timing for I2C devices
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mb/google/brox: Configure I2C timing for I2C devices

Configure I2C0/1 timing in devicetree to meet timing requirement.
(THIGH(us) minimum is 0.6us).

Before:
I2C0 : THIGH(us) 0.595us
I2C1 : THIGH(us) 0.582us

After:
I2C0 : THIGH(us) 0.673us
I2C1 : THIGH(us) 0.666us

Change-Id: I79af4fde4eb08d4eb896794756a633701bebb755
Signed-off-by: Ivy Jian 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81348
Reviewed-by: Shelley Chen 
Tested-by: build bot (Jenkins) 
Reviewed-by: Karthik Ramasubramanian 
---
M src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
1 file changed, 2 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Shelley Chen: Looks good to me, approved
  Karthik Ramasubramanian: Looks good to me, approved

diff --git a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
index 3e0e7fb..9ed0602 100644
--- a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
+++ b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
@@ -97,13 +97,13 @@
    	.i2c[0] = {
    		.speed = I2C_SPEED_FAST,
    		.rise_time_ns = 650,
-			.fall_time_ns = 400,
+			.fall_time_ns = 350,
    		.data_hold_time_ns = 50,
    	},
    	.i2c[1] = {
    		.speed = I2C_SPEED_FAST,
    		.rise_time_ns = 600,
-			.fall_time_ns = 400,
+			.fall_time_ns = 350,
    		.data_hold_time_ns = 50,
    	},
    	.i2c[2] = {