diff --git a/src/mainboard/google/zork/variants/vilboz/overridetree.cb b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
index 17cc17c668..f9b7077d01 100644
--- a/src/mainboard/google/zork/variants/vilboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
@@ -100,6 +100,18 @@ chip soc/amd/picasso
 			register "hid_desc_reg_offset" = "0x01"
 			device i2c 5d on end
 		end
+		chip drivers/generic/gpio_keys
+			register "name" = ""PENH""
+			register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPIO_4)"
+			register "key.dev_name" = ""EJCT""
+			register "key.wakeup_event_action" = "EV_ACT_DEASSERTED"
+			register "key.linux_code" = "SW_PEN_INSERTED"
+			register "key.linux_input_type" = "EV_SW"
+			register "key.label" = ""pen_eject""
+			register "key.debounce_interval" = "100"
+			register "key.wakeup_route" = "WAKEUP_ROUTE_GPIO_IRQ"
+			device generic 0 on end
+		end
 		chip drivers/i2c/generic
 			register "hid" = ""ELAN0000""
 			register "desc" = ""ELAN Touchpad""