[coreboot-gerrit] Change in coreboot[master]: mb/google/dedede/var/magolor: Enable G2 touchscreen for magma

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/55976 )

Change subject: mb/google/dedede/var/magolor: Enable G2 touchscreen for magma
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mb/google/dedede/var/magolor: Enable G2 touchscreen for magma

Add G2 touchscreen support for magma.

BUG=b:189852808
TEST=Build and verify that touchscreen works.

Signed-off-by: Tyler Wang 
Change-Id: I3e032bff7f3e97f54f3e544035e862058ea0dbfc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55976
Tested-by: build bot (Jenkins) 
Reviewed-by: Karthik Ramasubramanian 
Reviewed-by: David Wu 
---
M src/mainboard/google/dedede/variants/magolor/overridetree.cb
1 file changed, 18 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  David Wu: Looks good to me, but someone else must approve
  Karthik Ramasubramanian: Looks good to me, approved

diff --git a/src/mainboard/google/dedede/variants/magolor/overridetree.cb b/src/mainboard/google/dedede/variants/magolor/overridetree.cb
index c533e0fa..ef0dd2c 100644
--- a/src/mainboard/google/dedede/variants/magolor/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/magolor/overridetree.cb
@@ -11,6 +11,7 @@
    	option TS_ELAN_0001 3
    	option TS_RAYD_0001 4
    	option TS_WDHT0002 5
+		option TS_GTCH7503 6
    end
 end

@@ -233,6 +234,23 @@
    				probe TS_SOURCE TS_WDHT0002
    			end
    		end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""GTCH7503""
+				register "generic.desc" = ""G2 Touchscreen""
+				register "generic.irq" = "ACPI_IRQ_LEVEL_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 0x40 on
+					probe TS_SOURCE TS_UNPROVISIONED
+					probe TS_SOURCE TS_GTCH7503
+				end
+			end
    		chip drivers/i2c/generic
    			register "hid" = ""ELAN0001""
    			register "desc" = ""ELAN Touchscreen""