diff --git a/drivers/net/ftgmac100.c b/drivers/net/ftgmac100.c
index 853a991..3920161 100644
--- a/drivers/net/ftgmac100.c
+++ b/drivers/net/ftgmac100.c
@@ -222,7 +222,7 @@
 	struct phy_device *phydev;
 	int ret;
 
-	if (IS_ENABLED(CONFIG_DM_MDIO))
+	if (IS_ENABLED(CONFIG_DM_MDIO) && priv->phy_mode != PHY_INTERFACE_MODE_NCSI)
 		phydev = dm_eth_phy_connect(dev);
 	else
 		phydev = phy_connect(priv->bus, priv->phy_addr, dev, priv->phy_mode);