priv->bus->priv = priv;
        strcpy(priv->bus->name, "gem");
 
-#ifndef CONFIG_ZYNQ_GEM_INTERFACE
-       priv->interface = PHY_INTERFACE_MODE_MII;
-#else
-       priv->interface = CONFIG_ZYNQ_GEM_INTERFACE;
-#endif
-
        ret = mdio_register(priv->bus);
        if (ret)
                return ret;
        struct eth_pdata *pdata = dev_get_platdata(dev);
        struct zynq_gem_priv *priv = dev_get_priv(dev);
        int offset = 0;
+       const char *phy_mode;
 
        pdata->iobase = (phys_addr_t)dev_get_addr(dev);
        priv->iobase = (struct zynq_gem_regs *)pdata->iobase;
        if (offset > 0)
                priv->phyaddr = fdtdec_get_int(gd->fdt_blob, offset, "reg", 0);
 
-       printf("ZYNQ GEM: %lx, phyaddr %d\n", (ulong)priv->iobase,
-              priv->phyaddr);
+       phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
+       if (phy_mode)
+               pdata->phy_interface = phy_get_interface_by_name(phy_mode);
+       if (pdata->phy_interface == -1) {
+               debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
+               return -EINVAL;
+       }
+       priv->interface = pdata->phy_interface;
+
+       printf("ZYNQ GEM: %lx, phyaddr %d, interface %s\n", (ulong)priv->iobase,
+              priv->phyaddr, phy_string_for_interface(priv->interface));
 
        return 0;
 }