Re: [PATCH v2 2/3] netdev/of/phy: Add MDIO bus multiplexer support.

+Example :
+
+       /* The parent MDIO bus. */
+       smi1: mdio@1180000001900 {
+               compatible = "cavium,octeon-3860-mdio";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x11800 0x00001900 0x0 0x40>;
+       };
+
+       /*
+          An NXP sn74cbtlv3253 dual 1-of-4 switch controlled by a
+          pair of GPIO lines.  Child busses 2 and 3 populated with 4
+          PHYs each.
+        */
+       mdio-mux {
+               compatible = "cavium,mdio-mux-sn74cbtlv3253", "cavium,mdio-mux";
+               gpios = <&gpio1 3 0>, <&gpio1 4 0>;
+               mdio-parent-bus = <&smi1>;
+               #address-cells = <1>;
+               #size-cells = <0>;