Re: [PATCH 0/3] net-next: stmmac: support future possible different internal phy mode

[Corentin Labbe]

On Fri, Jul 28, 2017 at 04:36:00PM +0200, Andrew Lunn wrote:
> > > I've probably asked this before: Does the internal PHY use a different
> > > PHY ID in registers 2 and 3?
> > > 
> > 
> > yes
> > 
> > reg2: 0x0044
> > reg3: 0X1500

Copy/paste error, its 1400

> 
> So this is not about loading the correct PHY driver. You can already
> do this based on the PHY IDs...
> 
> This is about selecting which PHY to use. Internal or External?	
> 
>      Andrew

It is too late when we know the PHY ID.
We need to set a syscon for choosing external/internal PHY.
So we can rely only on DT.