mb/google/dedede/var/madoo: Enable Goodix touchscreen

Add Goodix touchscreen support.

BUG=b:160868197
BRANCH=None
TEST=emerge-dedede coreboot chromeos-bootimage", build successful

Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Change-Id: I9bf27d69d0895cb4ea8620a6da49e98d25e05c23
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44012
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/dedede/variants/madoo/overridetree.cb b/src/mainboard/google/dedede/variants/madoo/overridetree.cb
index e189ec3..f8e2b06 100644
--- a/src/mainboard/google/dedede/variants/madoo/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/madoo/overridetree.cb
@@ -57,7 +57,23 @@
 			end
 		end # USB xHCI
 		device pci 15.0 on end
-		device pci 15.2 on 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" = "2"
+				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 0x5d on end
+			end
+		end # I2C 2
 		device pci 1c.7 on end
 		device pci 19.0 on
 			chip drivers/i2c/generic