From 1380daa6262dcbc171748c90e086a7855db0136a Mon Sep 17 00:00:00 2001
From: Sunwei Li <lisunwei@huaqin.corp-partner.google.com>
Date: Fri, 10 Sep 2021 16:05:07 +0800
Subject: [PATCH] mb/google/dedede/var/cappy2: Enable PIXA touchpad

Add PIXA touchpad into devicetree for cappy2.

BUG=b:193099842
BRANCH=dedede
TEST=built cappy2 firmware and verified touchpad function

Signed-off-by: Sunwei Li <lisunwei@huaqin.corp-partner.google.com>
Change-Id: I840a3ffbaaaac39eaf13bf77e203f6dffdddd3f9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57553
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Weimin Wu <wuweimin@huaqin.corp-partner.google.com>
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
---
 .../google/dedede/variants/cappy2/overridetree.cb        | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/mainboard/google/dedede/variants/cappy2/overridetree.cb b/src/mainboard/google/dedede/variants/cappy2/overridetree.cb
index ed0defe298..b410fa4827 100644
--- a/src/mainboard/google/dedede/variants/cappy2/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/cappy2/overridetree.cb
@@ -112,6 +112,15 @@ chip soc/intel/jasperlake
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 2a on end
 			end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""PIXA2635""
+				register "generic.desc" = ""PIXA Touchpad""
+				register "generic.irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_B3_IRQ)"
+				register "generic.wake" = "GPE0_DW0_03"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0x20"
+				device i2c 2d on end
+			end
 			chip drivers/i2c/generic
 				register "hid" = ""ELAN0000""
 				register "desc" = ""ELAN Touchpad""