Change in coreboot[master]: mb/google/octopus: Enable Synaptics touchpad device

[Xingyu Wu (Code Review)]

Xingyu Wu has uploaded this change for review. ( https://review.coreboot.org/27159

Change subject: mb/google/octopus: Enable Synaptics touchpad device
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mb/google/octopus: Enable Synaptics touchpad device

This change adds Synaptcs device to phaser project.

BUG=b:110236590
TEST=emerge-octopus coreboot chromeos-bootimage
     reflash the coreboot to DUT,make sure the Synaptics Touchpad can work.

Change-Id: Icc1e8c35a9de54ed04187fcf219a72a592d3bd81
Signed-off-by:wuxy
---
M src/mainboard/google/octopus/variants/baseboard/devicetree.cb
1 file changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/59/27159/1

diff --git a/src/mainboard/google/octopus/variants/baseboard/devicetree.cb b/src/mainboard/google/octopus/variants/baseboard/devicetree.cb
index 56fd94f..88dfce4 100644
--- a/src/mainboard/google/octopus/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/octopus/variants/baseboard/devicetree.cb
@@ -185,6 +185,15 @@
    			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_EDGE_LOW(GPIO_135_IRQ)"
+				register "generic.wake" = "GPE0_DW2_02"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0x20"
+				device i2c 0x2c on end
+			end
    	end	# - I2C 6
    	device pci 17.3 on
    		chip drivers/i2c/generic