diff --git a/src/mainboard/google/bluey/Kconfig b/src/mainboard/google/bluey/Kconfig
index 0746970bc5..5c74c81ac4 100644
--- a/src/mainboard/google/bluey/Kconfig
+++ b/src/mainboard/google/bluey/Kconfig
@@ -58,4 +58,12 @@ config EC_GOOGLE_CHROMEEC_SPI_BUS
 	hex
 	default 0xb
 
+config MAINBOARD_GPIO_PIN_FOR_GSC_AP_INTERRUPT
+	int
+	default 34
+	help
+	  This option specifies the GPIO pin number on the mainboard that is
+	  used for the interrupt line from the Google Security Chip (GSC) to the
+	  Application Processor (AP).
+
 endif # BOARD_GOOGLE_BLUEY_COMMON
diff --git a/src/mainboard/google/bluey/board.h b/src/mainboard/google/bluey/board.h
index f7c4f23d91..618eadce2a 100644
--- a/src/mainboard/google/bluey/board.h
+++ b/src/mainboard/google/bluey/board.h
@@ -7,7 +7,8 @@
 #include <gpio.h>
 
 #define GPIO_AP_EC_INT		GPIO(67)
-#define GPIO_GSC_AP_INT		GPIO(34)
+#define GSC_AP_INT(x)		GPIO(x)
+#define GPIO_GSC_AP_INT		GSC_AP_INT(CONFIG_MAINBOARD_GPIO_PIN_FOR_GSC_AP_INTERRUPT)
 
 void setup_chromeos_gpios(void);