Re: [PATCH net-next 09/13] net: mvpp2: dynamic reconfiguration of the PHY mode

Andrew Lunn
2017-08-24T16:57:55Z

> I see what could be the issue but I do not understand one aspect though:
> how could we switch from one PHY to another, as there's only one output
> between the SoC (and so a given GoP#) and the board. So if a given PHY
> can handle multiple modes I see, but in the other case a muxing
> somewhere would be needed? Or did I miss something?

I think we need a hardware diagram...

How are the RJ45, copper PHY, SFP module connected to the SoC?

Somewhere there must be a mux, to select between copper and
fibre. Where is that mux?

Andrew