diff --git a/include/linux/mdio-gpio.h b/include/linux/mdio-gpio.h
index 57e57fe6..66c30a7 100644
--- a/include/linux/mdio-gpio.h
+++ b/include/linux/mdio-gpio.h
@@ -17,9 +17,11 @@
 	/* GPIO numbers for bus pins */
 	unsigned int mdc;
 	unsigned int mdio;
+	unsigned int mdo;
 
 	bool mdc_active_low;
 	bool mdio_active_low;
+	bool mdo_active_low;
 
 	unsigned int phy_mask;
 	int irqs[PHY_MAX_ADDR];