Change in coreboot[master]: mb/google/octopus: add Digitizer and Synaptics Touchpad for bobba

[Pan Sheng-Liang (Code Review)]

Hello Sheng-Liang Pan,

I'd like you to do a code review. Please visit

https://review.coreboot.org/28332

to review the following change.

Change subject: mb/google/octopus: add Digitizer and Synaptics Touchpad for bobba
......................................................................

mb/google/octopus: add Digitizer and Synaptics Touchpad for bobba

add device "WCOM Digitizer" and "Synaptics Touchpad" for bobba

BUG=none
BRANCH=master
TEST=emerge-octopus coreboot

Change-Id: Ie0bf8ebab6d9cb9c8fe42a500efaa3d11ae359db
Signed-off-by: Pan Sheng-Liang 
---
M src/mainboard/google/octopus/variants/bobba/overridetree.cb
1 file changed, 20 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/32/28332/1

diff --git a/src/mainboard/google/octopus/variants/bobba/overridetree.cb b/src/mainboard/google/octopus/variants/bobba/overridetree.cb
index 6726b41..acb1d50 100644
--- a/src/mainboard/google/octopus/variants/bobba/overridetree.cb
+++ b/src/mainboard/google/octopus/variants/bobba/overridetree.cb
@@ -1,6 +1,17 @@
 chip soc/intel/apollolake

device domain 0 on
+		device pci 16.0 on
+			chip drivers/i2c/hid
+				register "generic.hid" = ""WCOM50C1""
+				register "generic.desc" = ""WCOM Digitizer""
+				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPIO_139_IRQ)"
+				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)"
+				register "generic.has_power_resource" = "1"
+				register "hid_desc_reg_offset" = "0x1"
+				device i2c 0x9 on end
+			end
+		end	# - I2C 0
    	device pci 17.1 on
    		chip drivers/i2c/da7219
    			register "irq" = "ACPI_IRQ_LEVEL_LOW(GPIO_137_IRQ)"
@@ -29,6 +40,15 @@
    			register "probed" = "1"
    			device i2c 15 on end
    		end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""PNP0C50""
+				register "generic.desc" = ""Synaptics Touchpad""
+				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPIO_135_IRQ)"
+				register "generic.wake" = "GPE0_DW2_02"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0x20"
+				device i2c 0x2c on end
+			end
    	end	# - I2C 6
    	device pci 17.3 on
    		chip drivers/i2c/generic