On Thu, Feb 14, 2019 at 07:46:02AM +0100, Christophe Roullier wrote: > + mdio0 { > + #address-cells = <1>; > + #size-cells = <0>; > + compatible = "snps,dwmac-mdio"; > + phy1: ethernet-phy@1 { > + reg = <0>; > + }; The reg value should be the same as ethernet-phy@X. Andrew > + mdio0 { > + #address-cells = <1>; > + #size-cells = <0>; > + compatible = "snps,dwmac-mdio"; > + phy1: ethernet-phy@1 { > + reg = <0>; > + }; Here as well. Andrew