Change in coreboot[master]: mb/google/dedede/var/sasuke: Add support zinitix touchpad

[shkim (Code Review)]

Attention is currently required from: SH Kim.
Hello SH Kim,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/51840

to review the following change.

Change subject: mb/google/dedede/var/sasuke: Add support zinitix touchpad
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mb/google/dedede/var/sasuke: Add support zinitix touchpad

This change adds support zinitix touchpad for sasuke.

BRANCH=dedede
BUG=None
TEST=built and checked touchpad worked on sasuke

Change-Id: I85794311c49e33c4683482e125bea5ca2dbacfa8
Signed-off-by: Seunghwan Kim 
---
M src/mainboard/google/dedede/variants/sasuke/overridetree.cb
1 file changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/40/51840/1

diff --git a/src/mainboard/google/dedede/variants/sasuke/overridetree.cb b/src/mainboard/google/dedede/variants/sasuke/overridetree.cb
index b2dd66f..2fb1d61 100644
--- a/src/mainboard/google/dedede/variants/sasuke/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/sasuke/overridetree.cb
@@ -118,6 +118,15 @@
    			register "probed" = "1"
    			device i2c 15 on end
    		end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""ZNT0000""
+				register "generic.desc" = ""Zinitix 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" = "0xE"
+				device i2c 40 on end
+			end
    	end # I2C 0
    	device pci 15.2 on end
    	device pci 1c.7 off end # PCI Express Root Port 8