Change in coreboot[master]: mainboard/google/kahlee/var/liara: Enable Synaptics touchpad device

[Crystal Lin (Code Review)]

Crystal Lin has uploaded this change for review. ( https://review.coreboot.org/28398

Change subject: mainboard/google/kahlee/var/liara: Enable Synaptics touchpad device
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mainboard/google/kahlee/var/liara: Enable Synaptics touchpad device

Enable Synaptics touchpad device for liara

BUG=b:113309346
BRANCH=master
TEST=Verify touchpad on liara works with this change

Change-Id: Icdafe34a00fd55d5338fa07ffa304e48e7b85e7b
Signed-off-by: Crystal Lin 
---
M src/mainboard/google/kahlee/Kconfig
M src/mainboard/google/kahlee/variants/liara/devicetree.cb
2 files changed, 10 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/98/28398/1

diff --git a/src/mainboard/google/kahlee/Kconfig b/src/mainboard/google/kahlee/Kconfig
index bde91a1..9180906 100644
--- a/src/mainboard/google/kahlee/Kconfig
+++ b/src/mainboard/google/kahlee/Kconfig
@@ -20,6 +20,7 @@
    select ALWAYS_RUN_OPROM
    select BOARD_ROMSIZE_KB_16384
    select DRIVERS_I2C_GENERIC
+	select DRIVERS_I2C_HID
    select EC_GOOGLE_CHROMEEC
    select EC_GOOGLE_CHROMEEC_BOARDID
    select EC_GOOGLE_CHROMEEC_LPC
diff --git a/src/mainboard/google/kahlee/variants/liara/devicetree.cb b/src/mainboard/google/kahlee/variants/liara/devicetree.cb
index b330ec5..b41cd2a 100644
--- a/src/mainboard/google/kahlee/variants/liara/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/liara/devicetree.cb
@@ -134,6 +134,15 @@
    		register "wake" = "7"
    		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_5)"
+			register "generic.wake" = "7"
+			register "generic.probed" = "1"
+			register "hid_desc_reg_offset" = "0x20"
+			device i2c 2c on end
+		end
    end
    device mmio 0xfedc5000 on
    	chip drivers/i2c/generic