commit e099b309644c5b48c2502a951596daf125983569
author Crystal Lin <crystal_lin@compal.corp-partner.google.com> Mon Feb 26 17:04:06 2018 +0800
committer Martin Roth <martinroth@google.com> Wed Feb 28 17:36:56 2018 +0000
tree 071117a335b4f2630416e21c72adcaba495a3acb
parent 3c2310d2df7c9c901a6c6ea5525574a788686d67

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 <crystal_lin@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/23872
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/google/poppy/variants/nami/devicetree.cb

diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb
index b830912..c4aabcf 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""