linux-kernel - RE: [EXT] Re: [PATCH net-next 09/13] net: mvpp2: dynamic reconfiguration of the PHY mode

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Date:   Thu, 24 Aug 2017 17:25:47 +0000
From:   Stefan Chulski <stefanc@...vell.com>
To:     Antoine Tenart <antoine.tenart@...e-electrons.com>,
        "Russell King - ARM Linux" <linux@...linux.org.uk>
CC:     Andrew Lunn <andrew@...n.ch>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kishon@...com" <kishon@...com>,
        "jason@...edaemon.net" <jason@...edaemon.net>,
        "sebastian.hesselbarth@...il.com" <sebastian.hesselbarth@...il.com>,
        "gregory.clement@...e-electrons.com" 
        <gregory.clement@...e-electrons.com>,
        "thomas.petazzoni@...e-electrons.com" 
        <thomas.petazzoni@...e-electrons.com>,
        Nadav Haklai <nadavh@...vell.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mw@...ihalf.com" <mw@...ihalf.com>,
        "miquel.raynal@...e-electrons.com" <miquel.raynal@...e-electrons.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [EXT] Re: [PATCH net-next 09/13] net: mvpp2: dynamic
 reconfiguration of the PHY mode

> >                      .------- RJ45
> > MVPP2 ----- 88x3310 PHY
> >                      `------- SFP+
> 
> And the "MVPP2" part can be expended to:
> 
>         .-- GoP #0 --.
> MVPP2 ----- GoP #1 ---- Comphy lane #X -- 88x3310
>         `-- GoP #2 --'
> 
> Thanks!
> Antoine

One more point, Alaska 3310 PHY SoC and Marvell Embedded Processor SoC(A8K) are different SoC's.
Comphy driver configures Serdes IP in Marvell Embedded Processor SoC and media(SFP or RJ45) autodetect is done in Alaska 3310 PHY SoC(mostly by firmware).

Regards,
Stefan