[PATCH v4 05/12] Documentation: net: phy: Add phy-is-internal binding

Rob Herring robh at kernel.org
Thu Aug 17 08:10:25 PDT 2017

On Thu, Aug 10, 2017 at 06:57:40PM +0800, David.Wu wrote:
> Hi Andrew, Florian
> 在 2017/8/10 8:20, Andrew Lunn 写道:
> > Hi Florian, David.
> > 
> > I'm happy with the property name. But i think the text needs more
> > description. We deal with Ethernet switches with integrated PHYs. Yet
> > for us, this property is unneeded.
> > 
> > Seeing this property means some bit of software needs to ensure the
> > internal PHY should be used, when given the choice between an internal
> > and external PHY. So i would say something like:
> > 
> >      If set, indicates that the PHY is integrated into the same
> >      physical package as the Ethernet MAC. If needed, muxers should be
> >      configured to ensure the (internal) PHY is used. The absence of this
> >      property indicates the muxers should be configured so that the
> >      external PHY is used.
> Are we supposed to replace the words "internal" with "integrated" here?
> So we have three kinds of PHY, they are intenal, external and integrated
> PHYs.

And you can have both a XAUI/serdes phy and the ethernet phy. It should 
be clear this is for the latter.


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