diff --git a/src/mainboard/google/dedede/variants/blipper/overridetree.cb b/src/mainboard/google/dedede/variants/blipper/overridetree.cb
index 82f15c6bc3..6b39ba8f42 100644
--- a/src/mainboard/google/dedede/variants/blipper/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/blipper/overridetree.cb
@@ -56,5 +56,43 @@ chip soc/intel/jasperlake
 				device i2c 0x2c on end
 			end
 		end # I2C 0
+		device pci 15.2 on
+			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 end
+			end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""ELAN0001""
+				register "generic.desc" = ""ELAN 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" = "20"
+				register "generic.reset_off_delay_ms" = "2"
+				register "generic.stop_gpio" =
+							"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)"
+				register "generic.stop_delay_ms" = "280"
+				register "generic.stop_off_delay_ms" = "2"
+				register "generic.enable_gpio" =
+							"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
+				register "generic.enable_delay_ms" = "1"
+				register "generic.has_power_resource" = "1"
+				register "hid_desc_reg_offset" = "0x01"
+				device i2c 10 on end
+			end
+		end # I2C 2
 	end
 end