[coreboot-gerrit] Change in coreboot[master]: mb/google/drallion: Add detect pin for Wacom touchscreen

[Frank Wu (Code Review)]

Frank Wu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/35790 )

Change subject: mb/google/drallion: Add detect pin for Wacom touchscreen
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mb/google/drallion: Add detect pin for Wacom touchscreen

Add the missing detect pin to fix Wacom touchscreen function

BUG=b:140415892,b:138082886
BRANCH=N/A
TEST=N/A

Change-Id: I8a1b48d4d502945b88e38393383512d30b684fa4
Signed-off-by: Frank Wu 
---
M src/mainboard/google/drallion/variants/drallion/devicetree.cb
1 file changed, 2 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/90/35790/1

diff --git a/src/mainboard/google/drallion/variants/drallion/devicetree.cb b/src/mainboard/google/drallion/variants/drallion/devicetree.cb
index db3f36b..1f628d6 100644
--- a/src/mainboard/google/drallion/variants/drallion/devicetree.cb
+++ b/src/mainboard/google/drallion/variants/drallion/devicetree.cb
@@ -329,6 +329,8 @@
    			register "generic.has_power_resource" = "1"
    			register "generic.disable_gpio_export_in_crs" = "1"
    			register "hid_desc_reg_offset" = "0x1"
+				register "generic.device_present_gpio" = "GPP_B4"
+				register "generic.device_present_gpio_invert" = "1"
    			device i2c 0A on end
    		end
    		chip drivers/i2c/hid