From c278be512b6e8045446ce80a5fc846dbd52b643f Mon Sep 17 00:00:00 2001
From: jamie_chen <jamie_chen@compal.corp-partner.google.com>
Date: Thu, 6 Mar 2025 09:23:29 +0800
Subject: [PATCH] mb/google/trulo/var/uldrenite: Adjust Touchpad I2C timing

Adjust I2C/data fall Time to 13.5 ns and I2C data hold time to 353 ns

BUG=b:397150937
BRANCH=firmware-trulo-15217.771.B
TEST=Confirm the measured waveform of the Touchpad .

Change-Id: I16a9967f7e99892f2aa337ad9290252ab63a5b97
Signed-off-by: jamie_chen <jamie_chen@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86743
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 .../brya/variants/uldrenite/overridetree.cb       | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/mainboard/google/brya/variants/uldrenite/overridetree.cb b/src/mainboard/google/brya/variants/uldrenite/overridetree.cb
index 5571fe7902..e8ffc6072b 100644
--- a/src/mainboard/google/brya/variants/uldrenite/overridetree.cb
+++ b/src/mainboard/google/brya/variants/uldrenite/overridetree.cb
@@ -150,12 +150,15 @@ chip soc/intel/alderlake
 			}
 		},
 		.i2c[1] = {
-			.speed = I2C_SPEED_FAST,
-			.speed_config[0] = {
-				.speed = I2C_SPEED_FAST,
-				.scl_lcnt = 158,
-				.scl_hcnt = 79,
-				.sda_hold = 7,
+    			.speed = I2C_SPEED_FAST,
+    			.rise_time_ns = 200,
+    			.fall_time_ns = 150,
+    			.data_hold_time_ns = 950,
+    			.speed_config[0] = {
+        			.speed = I2C_SPEED_FAST,
+        			.scl_lcnt = 166,
+        			.scl_hcnt = 83,
+        			.sda_hold = 35,
 			}
 		},
 		.i2c[5] = {