diff --git a/configs/ls1028aqds_tfa_defconfig b/configs/ls1028aqds_tfa_defconfig
index 3418818..435f364 100644
--- a/configs/ls1028aqds_tfa_defconfig
+++ b/configs/ls1028aqds_tfa_defconfig
@@ -58,8 +58,10 @@
 CONFIG_PHY_VITESSE=y
 CONFIG_DM_ETH=y
 CONFIG_DM_MDIO=y
+CONFIG_DM_MDIO_MUX=y
 CONFIG_E1000=y
 CONFIG_FSL_ENETC=y
+CONFIG_MDIO_MUX_I2CREG=y
 CONFIG_PCI=y
 CONFIG_DM_PCI=y
 CONFIG_DM_PCI_COMPAT=y