3 files changed, 14 insertions, 1 deletions
diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index f1cab9d2d6..b3917d2fc2 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -174,6 +174,7 @@ config BOARD_GOOGLE_BANSHEE
 	select BOARD_GOOGLE_BASEBOARD_BRYA
 	select MEMORY_SODIMM
 	select CHROMEOS_WIFI_SAR if CHROMEOS
+	select DRIVERS_GENERIC_GPIO_KEYS
 
 config BOARD_GOOGLE_CROTA
 	bool "->  Crota"
diff --git a/src/mainboard/google/brya/variants/banshee/gpio.c b/src/mainboard/google/brya/variants/banshee/gpio.c
index a6f6854728..b8f4dab823 100644
--- a/src/mainboard/google/brya/variants/banshee/gpio.c
+++ b/src/mainboard/google/brya/variants/banshee/gpio.c
@@ -186,7 +186,8 @@ static const struct pad_config override_gpio_table[] = {
 	PAD_NC(GPP_F20, NONE),
 	/* F21 : EXT_PWR_GATE2# ==> NC */
 	PAD_NC(GPP_F21, NONE),
-	/* F22 : NC */
+	/* F22 : NC ==> MIC_SW */
+	PAD_CFG_GPI_GPIO_DRIVER(GPP_F22, NONE, DEEP),
 	/* F23 : NC */
 
 	/* H0  : GPPH0_BOOT_STRAP1 */
diff --git a/src/mainboard/google/brya/variants/banshee/overridetree.cb b/src/mainboard/google/brya/variants/banshee/overridetree.cb
index ea81874dac..866bbd6bbb 100644
--- a/src/mainboard/google/brya/variants/banshee/overridetree.cb
+++ b/src/mainboard/google/brya/variants/banshee/overridetree.cb
@@ -196,6 +196,17 @@ chip soc/intel/alderlake
 				register "property_list[0].integer" = "1"
 				device i2c 1a on end
 			end
+			chip drivers/generic/gpio_keys
+				register "name" = ""MUTE""
+				register "label" = ""mic_mute_switch""
+				register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_HIGH(GPP_F22)"
+				register "key.wakeup_route" = "WAKEUP_ROUTE_DISABLED"
+				register "key.dev_name" = ""MMSW""
+				register "key.linux_code" = "SW_MUTE_DEVICE"
+				register "key.linux_input_type" = "EV_SW"
+				register "key.label" = ""mic_mute_switch_key""
+				device generic 0 on end
+			end
 		end #I2C0
 		device ref i2c1 on
 			chip drivers/i2c/tpm