[coreboot-gerrit] Change in coreboot[master]: mb/google/dedede: Add Goodix touchscreen

[Evan Green (Code Review)]

Evan Green has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/43153 )

Change subject: mb/google/dedede: Add Goodix touchscreen
......................................................................

mb/google/dedede: Add Goodix touchscreen

Add overridetree info for the touchscreen, and make a define
for TOUCH_INT_ODL since everyone else seems to do that.

BUG=b:160129126
TEST=cros flash-ap -b dedede

Signed-off-by: Evan Green 
Change-Id: I55fc0749b824a0bf4b615d02bd8bc39bcdd589e0
---
M src/mainboard/google/dedede/variants/waddledee/include/variant/gpio.h
M src/mainboard/google/dedede/variants/waddledee/overridetree.cb
2 files changed, 19 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/53/43153/1

diff --git a/src/mainboard/google/dedede/variants/waddledee/include/variant/gpio.h b/src/mainboard/google/dedede/variants/waddledee/include/variant/gpio.h
index c7e4605..dabefeb 100644
--- a/src/mainboard/google/dedede/variants/waddledee/include/variant/gpio.h
+++ b/src/mainboard/google/dedede/variants/waddledee/include/variant/gpio.h
@@ -9,4 +9,6 @@

#include <baseboard/gpio.h>

+#define TOUCH_INT_ODL GPP_D4_IRQ
+
 #endif /* MAINBOARD_GPIO_H */
diff --git a/src/mainboard/google/dedede/variants/waddledee/overridetree.cb b/src/mainboard/google/dedede/variants/waddledee/overridetree.cb
index 33c578c..6223165 100644
--- a/src/mainboard/google/dedede/variants/waddledee/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/waddledee/overridetree.cb
@@ -66,5 +66,22 @@
    			device i2c 0x2c on end
    		end
    	end
+		device pci 15.2 on
+			chip drivers/i2c/hid
+				register "generic.hid" = ""GDIX0000""
+				register "generic.desc" = ""Goodix Touchscreen""
+				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_D4_IRQ)"
+				register "generic.probed" = "1"
+				register "generic.reset_gpio" =
+							"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)"
+				register "generic.reset_delay_ms" = "120"
+				register "generic.reset_off_delay_ms" = "3"
+				register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
+				register "generic.enable_delay_ms" = "12"
+				register "generic.has_power_resource" = "1"
+				register "hid_desc_reg_offset" = "0x01"
+				device i2c 14 on end # TODO: Someone plz scan to see what the right value is here.
+			end
+		end
    end
 end