Change in coreboot[master]: mb/google/poppy/variants/nami: Enable Synaptics touchpad

[Ivy Jian (Code Review)]

Ivy Jian has uploaded this change for review. ( https://review.coreboot.org/25913

Change subject: mb/google/poppy/variants/nami: Enable Synaptics touchpad
......................................................................

mb/google/poppy/variants/nami: Enable Synaptics touchpad

BUG=b:74595037
TEST=
1. emerge-nami coreboot chromeos-bootimage
2. check touchpad function
3. evtest
/dev/input/event5:	PNP0C50:00 06CB:CD84

Change-Id: I47cb1b13881f0d52860f0afe4bbca7483409de54
Signed-off-by: ivy_jian 
---
M src/mainboard/google/poppy/variants/nami/devicetree.cb
1 file changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/13/25913/1

diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb
index b1c278c..c7a4c05 100644
--- a/src/mainboard/google/poppy/variants/nami/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nami/devicetree.cb
@@ -271,6 +271,15 @@
    			register "wake" = "GPE0_DW2_16"
    			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(GPP_E3_IRQ)"
+				register "generic.wake" = "GPE0_DW2_16"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0x20"
+				device i2c 0x2c on end
+			end
    	end # I2C #1
    	device pci 15.2 on
                         chip drivers/i2c/hid