[coreboot-gerrit] Change in coreboot[master]: TEST Volteer : To fine tune Touchpad I2C CLK

[Mice Lin (Code Review)]

Mice Lin has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/42501 )

Change subject: TEST Volteer : To fine tune Touchpad I2C CLK
......................................................................

TEST
Volteer : To fine tune Touchpad I2C CLK

The I2C CLK be measured = 389 KHz.

BUG=b:157999726
TEST=To measure the I2C CLK accordingly.

Change-Id: Icafbca53c1c9813a2ae7450cb490c7f0686f4586
Signed-off-by: Mice Lin 
---
M src/mainboard/google/volteer/variants/volteer/overridetree.cb
1 file changed, 12 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/01/42501/1

diff --git a/src/mainboard/google/volteer/variants/volteer/overridetree.cb b/src/mainboard/google/volteer/variants/volteer/overridetree.cb
index 9e5ef4b..3a54d5d 100644
--- a/src/mainboard/google/volteer/variants/volteer/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/volteer/overridetree.cb
@@ -1,4 +1,16 @@
 chip soc/intel/tigerlake
+        register "common_soc_config" = "{
+                .i2c[5] = {
+                        .speed = I2C_SPEED_FAST,
+			.speed_config[0] = {
+				.speed = I2C_SPEED_FAST,
+				.scl_lcnt = 163,
+				.scl_hcnt = 75,
+				.sda_hold = 36,
+			},
+                },
+        }"
+
    device domain 0 on
    	device pci 15.0 on
    		chip drivers/i2c/generic