Change in coreboot[master]: mb/google/zork: Adjust Gumboz H1 I2C CLK

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/50994 )

Change subject: mb/google/zork: Adjust Gumboz H1 I2C CLK
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mb/google/zork: Adjust Gumboz H1 I2C CLK

Adjust H1 I2C CLK:
404kHz -> 391 kHz

BUG=b:179753353
BRANCH=zork
TEST=1. emerge-zork coreboot chromeos-bootimage
     2. power on proto board successfully
     3. measure i2c freq by scope is close to 400kHz

Change-Id: Iedd47dd6fc4f7ac7f0aac480d63ddbdf85a84ec2
Signed-off-by: Kevin Chiu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50994
Tested-by: build bot (Jenkins) 
Reviewed-by: Kangheui Won 
---
M src/mainboard/google/zork/variants/gumboz/overridetree.cb
1 file changed, 2 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Kangheui Won: Looks good to me, approved

diff --git a/src/mainboard/google/zork/variants/gumboz/overridetree.cb b/src/mainboard/google/zork/variants/gumboz/overridetree.cb
index 73a4a28..1cbe058 100644
--- a/src/mainboard/google/zork/variants/gumboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/gumboz/overridetree.cb
@@ -70,8 +70,8 @@
    # I2C3 for H1
    register "i2c[3]" = "{
    	.speed = I2C_SPEED_FAST,
-		.rise_time_ns = 184, /* 0 to 1.26v (1.8 * .7) */
-		.fall_time_ns = 42,  /* 1.26v to 0 */
+		.rise_time_ns = 98, /* 0 to 1.26v (1.8 * .7) */
+		.fall_time_ns = 17,  /* 1.26v to 0 */
    	.early_init = true,
    }"