Change in coreboot[master]: mb/google/guybrush/var/dewatt: Add Synaptics touchpad

[Kenneth Chan (Code Review)]

Kenneth Chan has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59974 )

Change subject: mb/google/guybrush/var/dewatt: Add Synaptics touchpad
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mb/google/guybrush/var/dewatt: Add Synaptics touchpad

Add synaptics s9831 touchpad for dewatt.

BUG=b:208182457
TEST=emerge-guybrush coreboot chromeos-bootimage

Signed-off-by: Kenneth Chan 
Change-Id: Id3e0636dd0ce5b80c2044c1dfca20ca7eac87fc9
---
M src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
1 file changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/74/59974/1

diff --git a/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb b/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
index 5a0ad98..9bb1d8f 100644
--- a/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
+++ b/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
@@ -53,5 +53,14 @@
    		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_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_9)"
+			register "generic.wake" = "GEVENT_22"
+			register "generic.probed" = "1"
+			register "hid_desc_reg_offset" = "0x20"
+			device i2c 2c on end
+		end		
    end # I2C0
 end	# chip soc/amd/cezanne