On Thu, Dec 01, 2022 at 10:02:08PM -0300, Fabio Estevam wrote: > Hi Tim, > > [Adding Andrew] It is not wrong, but it should also mostly not be needed. The switch driver can link internal PHYs to ports. > > port@5 { > > reg = <5>; > > label = "cpu"; > > ethernet = <&fec>; > > + phy-mode = "rgmii-id"; > > + > > + fixed-link { > > + speed = <1000>; > > + full-duplex; > > + }; > > }; This part is needed to make a warning go away. Does the SoC network interface have phy-mode = "rgmii"; ? Andrew