Messages in this thread | | | Date | Thu, 12 May 2022 02:45:40 +0200 | From | Andrew Lunn <> | Subject | Re: [PATCH v6 1/3] dt-bindings: marvell: Document the AC5/AC5X compatibles |
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> 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
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