> +- mdio device tree subnode: When the Netsec has a phy connected to its local > + mdio, there must be device tree subnode with the following > + required properties: > + > + - compatible: Must be "socionext,snq-mdio".
Is there a need for a compatible string? Is there different versions of the MDIO bus hardware? If it was an independent MDIO bus driver, then yes, you need a compatible string. But since it is embedded in the MAC driver, there should not be a need. Andrew