From 71e797478447e43b9d3be0cae13948a0ea9f0082 Mon Sep 17 00:00:00 2001
From: Alex1 Kao <alex1_kao@pegatron.corp-partner.google.com>
Date: Wed, 5 May 2021 17:43:19 +0800
Subject: mb/google/dedede: To support ELAN Touchpad device on I2C0

Add ELAN Touchpad device under I2C0

BUG=b:188373661
BRANCH=dedede
TEST=emerge-dedede coreboot

Signed-off-by: Alex1 Kao <alex1_kao@pegatron.corp-partner.google.com>
Change-Id: I15b9cb0d0276b5e2dd06694530cc35e5643efb9d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52936
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Kirk Wang <kirk_wang@pegatron.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/mainboard/google/dedede/variants/pirika/overridetree.cb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/google/dedede/variants/pirika/overridetree.cb b/src/mainboard/google/dedede/variants/pirika/overridetree.cb
index 404024b1d6..c65aa7a7ae 100644
--- a/src/mainboard/google/dedede/variants/pirika/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/pirika/overridetree.cb
@@ -37,6 +37,15 @@ chip soc/intel/jasperlake
 	}"
 
 	device domain 0 on
-		device pci 15.0 on end
+		device pci 15.0 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0000""
+				register "desc" = ""ELAN Touchpad""
+				register "irq" = "ACPI_IRQ_WAKE_EDGE_LOW(GPP_B3_IRQ)"
+				register "wake" = "GPE0_DW0_03"
+				register "probed" = "1"
+				device i2c 15 on end
+			end
+		end
 	end
 end
-- 
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