Re: [PATCH net-next v2 0/3] net: mdio: support dynamic OF device changes
James Hilliard <[email protected]>
| Newsgroups | gmane.linux.drivers.devicetree,gmane.linux.network,gmane.linux.kernel |
|---|---|
| Message-ID | <CADvTj4rA5QaeccDvSP2qrseFKv+7MKhj=pRWdSnNzKKjMCdK6g@mail.gmail.com> |
On Tue, Aug 4, 2026 at 6:54 AM Andrew Lunn <[email protected]> wrote: > > > > If this was a hat on top of a SBC, with an EEPROM indicating what the > > > hat was, then maybe DT overlays would make sense. But from what you > > > have said, this is a fixed PCB design, nothing hot/cold plugable. > > > > Some H616/H618 boards have the ethernet port on an expansion board: > > http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/details/2W-expansion-board.html > > I don't see a list of pins which go across the connector. Does the > MDIO bus go to the expansion board? Is the PHY on the expansion > board. It all looks passive to me. Pins are listed under "24Pin expansion board interface pin description": https://orangepi.net/wp-content/uploads/2023/10/OrangePi_Zero2w_H618_User-Manual_v1.1.pdf I think it's just the connector part that's on the expansion board? > > Andrew