[PATCH ] ARM: dts: iwg22d-sodimm: Add Ethernet AVB support

Simon Horman horms at verge.net.au
Fri Sep 1 01:49:23 PDT 2017


On Thu, Aug 31, 2017 at 09:32:25AM +0000, Chris Paterson wrote:
> Hello,
> 
> > From: Biju Das
> > Sent: 31 August 2017 10:24
> > 
> > > From: Simon Horman [mailto:horms at verge.net.au]
> > > Sent: 31 August 2017 09:46
> 
> <snip>
> 
> > > > +	phy3: ethernet-phy at 3 {
> > > > +	/*
> > > > +	 * On some older versions of the platform (before R4.0) the phy
> > > address
> > > > +	 * may be 1 or 3. The address is fixed to 3 for R4.0 onwards.
> > > > +	 */
> > > > +		reg = <3>;
> > > > +		micrel,led-mode = <1>;
> > >
> > > Does the phy have an interrupt?
> > 
> > The current board doesn't support interrupt . But there is a plan to support this
> > in future board variants through (GPIO3_28).
> 
> Actually, the plan has recently changed and at the moment interrupt support will not be added in the production version of the board.
> 
> If in the end the plan changes again and the actual hardware does add interrupt support we'll submit a new patch accordingly.

Thanks for following-up on this. I'm still surprised there is no interrupt
- does link speed renegotiation initiated by the other end of the link work
in a timely manner? - but if its not there and my wishful thinking won't
make it so.

I have applied this patch for v4.15.



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