Change in coreboot[master]: mb/google/volteer/variants/drobit: Modify touchpad I2C sequence

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/49958 )

Change subject: mb/google/volteer/variants/drobit: Modify touchpad I2C sequence
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mb/google/volteer/variants/drobit: Modify touchpad I2C sequence

Modify touchpad I2C sequence to meet requirement.

BUG=b:178512111
BRANCH=firmware-volteer-13672.B
TEST=emerge-volteer coreboot chromeos-bootimage
     build Pass
     And check the touchpad I2C5 sequence by EE.

Signed-off-by: Wayne3_Wang 
Change-Id: Iebbeeec51b802c318ac014dcdd2603b600d931a9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49958
Reviewed-by: Zhuohao Lee 
Reviewed-by: Tim Wawrzynczak 
Reviewed-by: Hao Chou 
Reviewed-by: Wayne3 Wang 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/volteer/variants/drobit/overridetree.cb
1 file changed, 6 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Zhuohao Lee: Looks good to me, but someone else must approve
  Tim Wawrzynczak: Looks good to me, approved
  Hao Chou: Looks good to me, but someone else must approve
  Wayne3 Wang: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/volteer/variants/drobit/overridetree.cb b/src/mainboard/google/volteer/variants/drobit/overridetree.cb
index 8ce98de..17143b8 100644
--- a/src/mainboard/google/volteer/variants/drobit/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/drobit/overridetree.cb
@@ -56,6 +56,12 @@
    	},
    	.i2c[5] = {
    		.speed = I2C_SPEED_FAST,
+			.speed_config[0] = {
+				.speed = I2C_SPEED_FAST,
+				.scl_lcnt = 155,
+				.scl_hcnt = 80,
+				.sda_hold = 36,
+                        },
    	},
    }"