diff --git a/src/drivers/drv_gpio.h b/src/drivers/drv_gpio.h
index 5d320fe7e6..856f604fec 100644
--- a/src/drivers/drv_gpio.h
+++ b/src/drivers/drv_gpio.h
@@ -194,4 +194,10 @@
 
 #define GPIO_PERIPHERAL_RAIL_RESET	GPIOC(14)
 
+/** configure the board GPIOs in (arg) as outputs, initially low */
+#define GPIO_SET_OUTPUT_LOW	GPIOC(15)
+
+/** configure the board GPIOs in (arg) as outputs, initially high */
+#define GPIO_SET_OUTPUT_HIGH	GPIOC(16)
+
 #endif /* _DRV_GPIO_H */