Subject: Re: [RFC PATCH 08/13] dwmac-meson8b: add support for phy selection

From: Andrew Lunn <[email-masked]>
Date: Fri, 21 Oct 2016 18:08:07 +0200

Hi Neil

> Yes this would be a good idea if we were able to scan the internal
> and external PHYs at the same time, but with our limited knowledge
> the values we write in the register seems to switch a mux for the
> whole RMII and MDIO signals to either interface.

Ah, O.K. So you need something like:

drivers/net/phy/mdio-mux-mmioreg.c

This seems to be limited to a single byte for the mux register, so you
might need to make some extensions.

      Andrew