Re: [net-next RFC PATCH 03/14] dt-bindings: net: document ethernet PHY package nodes

Russell King (Oracle)
2023-11-23T14:36:00Z

On Thu, Nov 23, 2023 at 03:27:05PM +0100, Andrew Lunn wrote:
> > Just to be more precise qca807x can operate in 3 different mode:
> > (this is controlled by the MODE_CFG bits)
>
> > - QSGMII: 5 copper port
>
> 4 slots over QSGMII, plus the second SERDES is connected to the MAC
> using SGMII/1000BaseX?
>
> > - PSGMII: 5 copper port
>
> 5 slots over QSGMII, the second SERDES is idle?
>
> > - PSGMII: 4 copper port + 1 combo (that can be both fiber or copper)
>
> 5 slots over QSGMII, with the second SERDES connected to an SFP cage.
>
> Are ports 1-4 always connected to the P/Q SGMII. Its only port 5 which
> can use the second SERDES?

I think what would really help here is if there was an ascii table to
describe the configurations, rather than trying to put it into words.

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