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Date:   Thu, 23 Nov 2023 14:35:31 +0000
From:   "Russell King (Oracle)" <linux@armlinux.org.uk>
To:     Andrew Lunn <andrew@lunn.ch>
Cc:     Christian Marangi <ansuelsmth@gmail.com>,
        Rob Herring <robh@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
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        Conor Dooley <conor+dt@kernel.org>,
        Andy Gross <agross@kernel.org>,
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        Florian Fainelli <florian.fainelli@broadcom.com>,
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        Daniel Golle <daniel@makrotopia.org>,
        Qingfang Deng <dqfext@gmail.com>,
        SkyLake Huang <SkyLake.Huang@mediatek.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
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Subject: Re: [net-next RFC PATCH 03/14] dt-bindings: net: document ethernet
 PHY package nodes
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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.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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