Hi, On Mon, Sep 28, 2020 at 10:14 AM Matthias Kaehlcke <mka@xxxxxxxxxxxx> wrote: > > +examples: > + - | > + usb_hub: usb-hub { > + compatible = "realtek,rts5411", "onboard-usb-hub"; > + vdd-supply = <&pp3300_hub>; > + }; > + > + usb_controller { Super nitty nit: prefer dashes for node names. > + dr_mode = "host"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + /* 2.0 hub on port 1 */ > + hub@1 { > + compatible = "usbbda,5411"; Presumably we need something in the bindings for "usbbda,5411" ? > + reg = <1>; > + hub = <&usb_hub>; > + }; > + > + /* 3.0 hub on port 2 */ > + hub@2 { > + compatible = "usbbda,411"; Presumably we need something in the bindings for "usbbda,411" ? -Doug