linux-kernel - Re: [PATCH v4 3/9] Documentation: bindings: net: add the Marvell PXA168 Ethernet controller

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Message-ID: <20140923140113.GC18924@kwain>
Date:	Tue, 23 Sep 2014 16:01:13 +0200
From:	Antoine Tenart <antoine.tenart@...e-electrons.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Antoine Tenart <antoine.tenart@...e-electrons.com>,
	sebastian.hesselbarth@...il.com,
	alexandre.belloni@...e-electrons.com,
	thomas.petazzoni@...e-electrons.com, zmxu@...vell.com,
	jszhang@...vell.com, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/9] Documentation: bindings: net: add the Marvell
 PXA168 Ethernet controller

Arnd,

On Tue, Sep 23, 2014 at 02:38:39PM +0200, Arnd Bergmann wrote:
> On Tuesday 23 September 2014 14:15:30 Antoine Tenart wrote:
> > +Optional properties:
> > +- port-id: should be '0','1' or '2'.
> > +- phy-addr: MDIO address of the PHY.
> > +- local-mac-address: see ethernet.txt file in the same directory.
> > +
> > 
> 
> I believe new bindings should not use "phy-addr" properties, but
> instead use a phy-handle property pointing to a phy device instead.

That's the MDIO address of the PHY. It's a bit difficult to use a phy
device as the driver uses the libphy. And that would break the platform
using it.

Or maybe you have something in mind?

> 
> The port-id property description could be a little more verbose.
> What do those numbers actually mean?

I'll add some description. That's the Ethernet port number. I reused a
property (port-id) already used by other drivers.

Antoine

-- 
Antoine Ténart, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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