Re: [PATCH net-next] net: phy: marvell: add support for MV88E6020 internal PHYs

[Matthias Schiffer]

On Wed, 2024-04-24 at 16:52 +0200, Andrew Lunn wrote:
> > We currently do not override the PHY ID for this family in the DSA
> > driver - my understanding was that this is only necessary for
> > switches that don't provide a usable PHY ID at all. As I have no
> > idea if this PHY ID works for the whole family or just the single
> > switch, I went with the more specific naming here.
> 
> The 'broken' switches have the Marvell OUI, but no module number. From
> your description it sounds like the 6250 is the same?
> 

No, the PHYs have a proper ID, 0x01410db0. The "Functional Spec" for the 88E6020 switch family gives
us the 0x01410c00 part, but the lower 10 bits are undocumented ("reserved"), and I don't know if
they differ for each individual switch of the family, as I only have a 88E6020 here.

Matthias



-- 
TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany
Amtsgericht München, HRB 105018
Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
https://www.tq-group.com/