diff --git a/configs/odroid-n2_defconfig b/configs/odroid-n2_defconfig
index b82bd78..2e8b365 100644
--- a/configs/odroid-n2_defconfig
+++ b/configs/odroid-n2_defconfig
@@ -30,6 +30,9 @@
 CONFIG_SARADC_MESON=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_MESON_GX=y
+CONFIG_DM_MDIO=y
+CONFIG_DM_MDIO_MUX=y
+CONFIG_MDIO_MUX_MESON_G12A=y
 CONFIG_PHY_REALTEK=y
 CONFIG_DM_ETH=y
 CONFIG_ETH_DESIGNWARE=y