Change in coreboot[master]: google/Bruce: Add Raydium touch screen support

[Pan Sheng-Liang (Code Review)]

Pan Sheng-Liang has uploaded this change for review. ( https://review.coreboot.org/21200

Change subject: google/Bruce: Add Raydium touch screen support
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google/Bruce: Add Raydium touch screen support

Current coreboot does not create ACPI device for OS to recognize Raydium
touchscreen.

List the touch screen in the devicetree so that the correct ACPI device
are created.

BUG=b:64705535
BRANCH=master
TEST=emerge-coral coreboot

Change-Id: Ifb63f3a7f6c7f2fd1ccb17204dcda73a2ade495c
---
M src/mainboard/google/reef/variants/baseboard/devicetree.cb
1 file changed, 12 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/00/21200/1

diff --git a/src/mainboard/google/reef/variants/baseboard/devicetree.cb b/src/mainboard/google/reef/variants/baseboard/devicetree.cb
index d5f546c..cd2250e 100644
--- a/src/mainboard/google/reef/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/reef/variants/baseboard/devicetree.cb
@@ -187,6 +187,18 @@
    			register "enable_delay_ms" = "1"
    			register "has_power_resource" = "1"
    			device i2c 10 on end
+			end			
+			chip drivers/i2c/generic
+				register "hid" = ""RAYD0001""
+				register "desc" = ""Raydium Touchscreen""
+				register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_21_IRQ)"
+				register "probed" = "1"
+				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_36)"
+				register "reset_delay_ms" = "20"
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_152)"
+				register "enable_delay_ms" = "1"
+				register "has_power_resource" = "1"
+				device i2c 39 on end
    		end
    	end	# - I2C 3
    	device pci 17.0 on