Change in coreboot[master]: mb/google/dedede/var/pirika: Add Synaptics I2C touchpad device

[Alex1 Kao (Code Review)]

Alex1 Kao has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/57921 )

Change subject: mb/google/dedede/var/pirika: Add Synaptics I2C touchpad device
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mb/google/dedede/var/pirika: Add Synaptics I2C touchpad device

Add Synaptics touchpad device support in devicetree.

BUG=None.
BRANCH=dedede
TEST=Touchpad device function is OK

Change-Id: Ifb240d7113e401de827384697fc752a76fbf7ac7
Signed-off-by: Alex1 Kao 
---
M src/mainboard/google/dedede/variants/pirika/overridetree.cb
1 file changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/21/57921/1

diff --git a/src/mainboard/google/dedede/variants/pirika/overridetree.cb b/src/mainboard/google/dedede/variants/pirika/overridetree.cb
index fbbea1d..fb0ab48 100644
--- a/src/mainboard/google/dedede/variants/pirika/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/pirika/overridetree.cb
@@ -117,6 +117,15 @@
    			register "probed" = "1"
    			device i2c 15 on end
    		end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""PNP0C50""
+				register "generic.desc" = ""Synaptics 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 0x2c on end
+			end		
    	end
    	device pci 19.0 on
    		chip drivers/i2c/generic