Change in ...coreboot[master]: mb/google/sarien/variants/arcada: Enable touchpad and touchscreen

[Casper Chang (Code Review)]

Casper Chang has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30146

Change subject: mb/google/sarien/variants/arcada: Enable touchpad and touchscreen
......................................................................

mb/google/sarien/variants/arcada: Enable touchpad and touchscreen

Enable Elan touchpad and WACOM touchscreen

BUG=b:119924134, b:120103010
BRANCH=master
TEST=Verify touchpad and touchscreen on arcada work with this change.

Signed-off-by: Casper Chang 
Change-Id: I3dcdb4eeeb32766e64553d9e69e6b7e2b5ba85aa
---
M src/mainboard/google/sarien/variants/arcada/devicetree.cb
1 file changed, 19 insertions(+), 6 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/46/30146/1

diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
index fccec9f..9c50856 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -194,13 +194,26 @@
    		device pci 14.3 on  end # CNVi wifi
    	end
    	device pci 14.5 off end # SDCard
-		device pci 15.0 on  end # I2C #0
-		device pci 15.1 on
+		device pci 15.0 on  
    		chip drivers/i2c/hid
-				register "generic.hid" = ""ACPI0C50""
-				register "generic.desc" = ""Touchpad""
-				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_B3_IRQ)"
-				register "hid_desc_reg_offset" = "0x20"
+				register "generic.hid" = ""WCOM48E2""
+				register "generic.desc" = ""Wacom Touchscreen""
+				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_C23_IRQ)"
+				register "generic.probed" = "1"
+				register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E7)"
+				register "generic.enable_delay_ms" = "5"
+				register "generic.has_power_resource" = "1"
+				register "generic.disable_gpio_export_in_crs" = "1"
+				register "hid_desc_reg_offset" = "0x1"
+				device i2c 0A on end
+			end
+		end # I2C #0
+		device pci 15.1 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0000""
+				register "desc" = ""ELAN Touchpad""
+				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_B3_IRQ)"
+				register "probed" = "1"
    			device i2c 2c on end
    		end
    	end # I2C #1