From 969a2a9a30a2d2c0ec855b832ea32b706fb4b4b2 Mon Sep 17 00:00:00 2001
From: Zhongtian Wu <wuzhongtian@huaqin.corp-partner.google.com>
Date: Fri, 30 Jun 2023 09:52:24 +0800
Subject: mb/google/rex/var/screebo: Update touchpad I2C timing

Change i2c[3] parameter to meet below timing:
t-HIGH > 600ns;
900ns > Thd:dat > 300ns.

BUG=b:286030723
BRANCH=none
TEST=Test success by EE.

Change-Id: I4b2d958a5a0d41e2cfa1087f5cb94cc83bbb1739
Signed-off-by: Zhongtian Wu <wuzhongtian@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76169
Reviewed-by: Kun Liu <liukun11@huaqin.corp-partner.google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/mainboard/google/rex/variants/screebo/overridetree.cb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb
index 3515ae7c95..c43c09f0fb 100644
--- a/src/mainboard/google/rex/variants/screebo/overridetree.cb
+++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb
@@ -95,8 +95,8 @@ chip soc/intel/meteorlake
 		.i2c[3] = {
 			.speed = I2C_SPEED_FAST,
 			.rise_time_ns = 650,
-			.fall_time_ns = 400,
-			.data_hold_time_ns = 50,
+			.fall_time_ns = 150,
+			.data_hold_time_ns = 400,
 		},
 		.i2c[4] = {
 			.early_init = 1,
-- 
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