Re: [PATCH v6 1/3] dt-bindings: marvell: Document the AC5/AC5X compatibles
From: Andrew Lunn
Date: Wed May 11 2022 - 20:46:05 EST
> 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