diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 1576d51..b67ba00 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -10,6 +10,7 @@ comment "MX5 platforms:"
 
 config MACH_MX51_BABBAGE
 	bool "Support MX51 BABBAGE platforms"
+	select SMSC_PHY
 	help
 	  Include support for MX51 Babbage platform, also known as MX51EVK in
 	  u-boot. This includes specific configurations for the board and its