From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: Re: [PATCH ] ARM: dts: iwg22d-sodimm: Add Ethernet AVB support Date: Fri, 1 Sep 2017 11:30:33 +0200 Message-ID: References: <1504106234-41450-1-git-send-email-biju.das@bp.renesas.com> <20170831084534.GF29946@verge.net.au> <20170901084923.GC14918@verge.net.au> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20170901084923.GC14918@verge.net.au> Sender: linux-renesas-soc-owner@vger.kernel.org To: Simon Horman Cc: Chris Paterson , Biju Das , Rob Herring , Mark Rutland , Magnus Damm , Russell King , "devicetree@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" List-Id: devicetree@vger.kernel.org Hi Simon, On Fri, Sep 1, 2017 at 10:49 AM, Simon Horman wrote: > On Thu, Aug 31, 2017 at 09:32:25AM +0000, Chris Paterson wrote: >> > From: Biju Das >> > > From: Simon Horman [mailto:horms@verge.net.au] >> > > > + phy3: ethernet-phy@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 guess it behaves similar to Koelsch using the new CPG/MSSR driver, and without the probe deferral fix for of_mdio, where it also falls back to polling. Cfr. the figures in https://www.mail-archive.com/linux-renesas-soc@vger.kernel.org/msg17422.html Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds