On Sat, Sep 05, 2020 at 03:03:36PM +0200, Luka Kovacic wrote: > +&cp0_mdio { > + #address-cells = <1>; > + #size-cells = <0>; > + > + status = "okay"; > + > + ge_phy2: ethernet-phy@2 { > + reg = <0>; Hi Luka The value after the @ should be the same as the reg value. So this should be ge_phy2: ethernet-phy@0 > + }; > + > + ge_phy3: ethernet-phy@3 { > + reg = <1>; And this is: ge_phy2: ethernet-phy@1 This is a general DT rule, so please check the whole file. > +&cp0_eth0 { > + status = "okay"; > + phy-mode = "10gbase-r"; > + phys = <&cp0_comphy4 0>; > + local-mac-address = [00 50 43 de ff 00]; Does the bootloader overwrite these with per device MAC addresses? Looking up this OUI i find: 00:50:43 Marvell Semiconductor, Inc. I'm not sure you should be using that! Andrew