diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig
index c4d6bbe9458dbfe9c726fdff1e9b6c4c64b8a33f..3584420878782aa72800072e28997d40280dccec 100644
--- a/drivers/net/ethernet/cavium/Kconfig
+++ b/drivers/net/ethernet/cavium/Kconfig
@@ -37,6 +37,8 @@ config	THUNDER_NIC_BGX
 	tristate "Thunder MAC interface driver (BGX)"
 	depends on 64BIT
 	default ARCH_THUNDER
+	select PHYLIB
+	select MDIO_OCTEON
 	---help---
 	  This driver supports programming and controlling of MAC
 	  interface from NIC physical function driver.