Re: [PATCH v6 1/3] dt-bindings: marvell: Document the AC5/AC5X compatibles

[Andrew Lunn]

> Yes there are registers that you can read to identify the specific chip.
> 
> It still might be useful to have a expected vs actual check as those ID 
> values are determined by pin strapping resistors.

That i don't get? Can i turn a 

* 98DX2538: 24x1G + 2x10G + 2x10G Stack

into a

* 98DX2535: 24x1G + 4x1G Stack

by strapping its pin differently?

> It could also be used 
> to validate the dts (e.g. port 20 would be invalid on a 98DX3501). But 
> those are considerations for further down the track.

Yes, that would be up to the switchdev driver to validate the DT based
on the ID register.

   Andrew