diff --git a/target/linux/at91/config-default b/target/linux/at91/config-default
index 93db53b5f1..8faced7a55 100644
--- a/target/linux/at91/config-default
+++ b/target/linux/at91/config-default
@@ -120,6 +120,7 @@ CONFIG_MACB=y
 CONFIG_MACH_AT91SAM9_DT=y
 CONFIG_MDIO_BOARDINFO=y
 # CONFIG_MII is not set
+CONFIG_MICREL_PHY=y
 CONFIG_MMC=y
 CONFIG_MMC_ATMELMCI=y
 CONFIG_MMC_BLOCK=y