From 134d740168f602c7c697e5b1975f8a0a591b205d Mon Sep 17 00:00:00 2001
From: Rex Chou <rex_chou@compal.corp-partner.google.com>
Date: Mon, 19 Dec 2022 10:54:35 +0800
Subject: mb/google/skyrim/var/frostflow: Config I2C frequency for touchpad.

1.Config setting for touchpad I2C

BUG=b:261159229
TEST=On frostflow, touchpad i2c spec from EE measure
Frequencies:
1.I2C0 (Touchpad): 385.7kHz

Change-Id: I4ca72ee7fabd4b641eb17451ed8d942c5df52dde
Signed-off-by: Rex Chou <rex_chou@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71063
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: John Su <john_su@compal.corp-partner.google.com>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
---
 src/mainboard/google/skyrim/variants/frostflow/overridetree.cb | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/mainboard/google/skyrim')

diff --git a/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb b/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb
index d4b659985f..bc9aec126b 100644
--- a/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb
+++ b/src/mainboard/google/skyrim/variants/frostflow/overridetree.cb
@@ -14,6 +14,15 @@ chip soc/amd/mendocino
 	# Set Package Power Parameters
 	register "stapm_time_constant_s" = "200"
 
+	register "i2c[0]" = "{
+		.speed = I2C_SPEED_FAST,
+		.speed_config[0] = {
+			.speed = I2C_SPEED_FAST,
+			.scl_hcnt = 120,
+			.scl_lcnt = 240,
+		}
+	}"
+
 	device domain 0 on
 		device ref gpp_bridge_a on  # Internal GPP Bridge 0 to Bus A
 			device ref xhci_1 on # XHCI1 controller
-- 
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