Change in coreboot[master]: mb/google/poppy/variants/nami: Enable synaptics TouchScreen support

[Ivy Jian (Code Review)]

Ivy Jian has uploaded this change for review. ( https://review.coreboot.org/25915

Change subject: mb/google/poppy/variants/nami: Enable synaptics TouchScreen support
......................................................................

mb/google/poppy/variants/nami: Enable synaptics TouchScreen support

BUG=b:74595040
BRANCH=master
TEST=NONE

Change-Id: Ic11684d5ed961af5eb704909f7d06eb0898068c2
Signed-off-by: ivy_jian 
---
M src/mainboard/google/poppy/variants/nami/devicetree.cb
1 file changed, 12 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/15/25915/1

diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb
index b1c278c..a50b5f7 100644
--- a/src/mainboard/google/poppy/variants/nami/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nami/devicetree.cb
@@ -262,6 +262,18 @@
    			register "has_power_resource" = "1"
    			device i2c 10 on end
    		end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""SYTS7817""
+				register "generic.desc" = ""Synaptics Touchscreen""
+				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)"
+				register "generic.probed" = "1"
+				register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B4)"
+				register "generic.enable_delay_ms" = "45"
+				register "generic.has_power_resource" = "1"
+				register "generic.disable_gpio_export_in_crs" = "1"
+				register "hid_desc_reg_offset" = "0x20"
+				device i2c 20 on end
+			end
    	end # I2C #0
    	device pci 15.1 on
    		chip drivers/i2c/generic