diff --git a/src/mainboard/google/dedede/variants/metaknight/gpio.c b/src/mainboard/google/dedede/variants/metaknight/gpio.c
index d6a7fd599f..2645e26d8a 100644
--- a/src/mainboard/google/dedede/variants/metaknight/gpio.c
+++ b/src/mainboard/google/dedede/variants/metaknight/gpio.c
@@ -10,6 +10,9 @@ static const struct pad_config gpio_table[] = {
 	/* A10 : WWAN_EN => LTE_PWR_OFF_ODL */
 	PAD_CFG_GPO(GPP_A10, 1, PWROK),
 
+	/* C12 : AP_PEN_DET_ODL */
+	PAD_CFG_GPI_GPIO_DRIVER(GPP_C12, NONE, DEEP),
+
 	/* H17 : WWAN_RST_L => LTE_RESET_R_ODL */
 	PAD_CFG_GPO(GPP_H17, 0, PLTRST),
 };
diff --git a/src/mainboard/google/dedede/variants/metaknight/overridetree.cb b/src/mainboard/google/dedede/variants/metaknight/overridetree.cb
index 322f72c788..a92d969e5e 100644
--- a/src/mainboard/google/dedede/variants/metaknight/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/metaknight/overridetree.cb
@@ -116,6 +116,17 @@ chip soc/intel/jasperlake
 			end
 		end # I2C 0
 		device pci 15.2 on
+			chip drivers/generic/gpio_keys
+				register "name" = ""PENH""
+				register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_C12)"
+				register "key.wakeup_route" = "WAKEUP_ROUTE_GPIO_IRQ"
+				register "key.wakeup_event_action" = "EV_ACT_DEASSERTED"
+				register "key.dev_name" = ""EJCT""
+				register "key.linux_code" = "SW_PEN_INSERTED"
+				register "key.linux_input_type" = "EV_SW"
+				register "key.label" = ""pen_eject""
+				device generic 0 on end
+			end
 			chip drivers/i2c/hid
 				register "generic.hid" = ""GDIX0000""
 				register "generic.desc" = ""Goodix Touchscreen""