Change in coreboot[master]: mb/google/poppy/variants/nami: Enable elan touchscreen

[Crystal Lin (Code Review)]

Crystal Lin has uploaded this change for review. ( https://review.coreboot.org/23872

Change subject: mb/google/poppy/variants/nami: Enable elan touchscreen
......................................................................

mb/google/poppy/variants/nami: Enable elan touchscreen

BUG=b:72062694
BRANCH=master
TEST=Verify touchscreen on nami works with this change.

Change-Id: Iaec71a11121b3d2849f12d18cda0e506be2ace09
Signed-off-by: Crystal Lin 
---
M src/mainboard/google/poppy/variants/nami/devicetree.cb
1 file changed, 14 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/72/23872/1

diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb
index b830912..432d1d8 100644
--- a/src/mainboard/google/poppy/variants/nami/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nami/devicetree.cb
@@ -243,7 +243,20 @@
    	device pci 14.0 on  end # USB xHCI
    	device pci 14.1 off end # USB xDCI (OTG)
    	device pci 14.2 on  end # Thermal Subsystem
-		device pci 15.0 on  end # I2C #0
+		device pci 15.0 on  
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0001""
+				register "desc" = ""ELAN Touchscreen""
+				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)"
+				register "probed" = "1"
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_B3)"
+				register "reset_delay_ms" = "20"
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"
+				register "enable_delay_ms" = "1"
+				register "has_power_resource" = "1"
+				device i2c 10 on end
+			end
+		end # I2C #0
    	device pci 15.1 on
    		chip drivers/i2c/generic
    			register "hid" = ""ELAN0000""