spx5_port->phylink_config.type = PHYLINK_NETDEV;
        spx5_port->phylink_config.pcs_poll = true;
 
+       __set_bit(PHY_INTERFACE_MODE_SGMII,
+                 spx5_port->phylink_config.supported_interfaces);
+       __set_bit(PHY_INTERFACE_MODE_QSGMII,
+                 spx5_port->phylink_config.supported_interfaces);
+       __set_bit(PHY_INTERFACE_MODE_1000BASEX,
+                 spx5_port->phylink_config.supported_interfaces);
+       __set_bit(PHY_INTERFACE_MODE_2500BASEX,
+                 spx5_port->phylink_config.supported_interfaces);
+
+       if (spx5_port->conf.bandwidth == SPEED_5000 ||
+           spx5_port->conf.bandwidth == SPEED_10000 ||
+           spx5_port->conf.bandwidth == SPEED_25000)
+               __set_bit(PHY_INTERFACE_MODE_5GBASER,
+                         spx5_port->phylink_config.supported_interfaces);
+
+       if (spx5_port->conf.bandwidth == SPEED_10000 ||
+           spx5_port->conf.bandwidth == SPEED_25000)
+               __set_bit(PHY_INTERFACE_MODE_10GBASER,
+                         spx5_port->phylink_config.supported_interfaces);
+
+       if (spx5_port->conf.bandwidth == SPEED_25000)
+               __set_bit(PHY_INTERFACE_MODE_25GBASER,
+                         spx5_port->phylink_config.supported_interfaces);
+
        phylink = phylink_create(&spx5_port->phylink_config,
                                 of_fwnode_handle(config->node),
                                 config->conf.phy_mode,