Hi Vladimr, On Fri, Jul 23, 2021 at 10:08 AM Vladimir Oltean <olteanv@xxxxxxxxx> wrote: > Are you actually sure this is the correct fix? If I look at mdio.yaml, I > think it is pretty clear that the "ethernet-phy" subnode of the MDIO > controller must have an "@[0-9a-f]+$" pattern, and a "reg" property. If > it did, then it wouldn't warn about #address-cells. Thanks for reviewing it. After double-checking I realize that the correct fix would be to pass the phy address, like: phy: ethernet-phy@1 { reg = <1>; Since the Ethernet PHY address is design dependant, I can not make the fix myself. I will try to ping the board maintainers for passing the correct phy address. Thanks