netdev - Re: [PATCH v1] net: dsa: qca8k: implement DT-based ports <-> phy translation

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Message-ID: <20190205024533.GB10838@lunn.ch>
Date:   Tue, 5 Feb 2019 03:45:33 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Christian Lamparter <chunkeey@...il.com>
Cc:     netdev@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>
Subject: Re: [PATCH v1] net: dsa: qca8k: implement DT-based ports <-> phy
 translation

On Mon, Feb 04, 2019 at 10:35:55PM +0100, Christian Lamparter wrote:
> The QCA8337 enumerates 5 PHYs on the MDC/MDIO access: PHY0-PHY4.
> Based on the System Block Diagram in Section 1.2 of the
> QCA8337's datasheet. These PHYs are internally connected
> to MACs of PORT 1 - PORT 5. However, neither qca8k's slave
> mdio access functions qca8k_phy_read()/qca8k_phy_write()
> nor the dsa framework is set up for that.
> 
> This version of the patch uses the existing phy-handle
> properties of each specified DSA Port in the DT to map
> each PORT/MAC to its exposed PHY on the MDIO bus. This
> is supported by the current binding document qca8k.txt
> as well.

Hi Christian

Looking at Documentation/devicetree/bindings/net/dsa/qca8k.txt 

I think everything you need is already implemented. What problem do
you actually have?

Thanks
	Andrew