From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gregory CLEMENT Subject: Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC family Date: Thu, 28 Jul 2016 13:19:31 +0200 Message-ID: <87y44mj9h8.fsf@free-electrons.com> References: <1469105055-25181-1-git-send-email-jaz@semihalf.com> <1469105055-25181-16-git-send-email-jaz@semihalf.com> <20160721221605.GA21883@rob-hp-laptop> <20160725155050.3aee974e@free-electrons.com> <20160725202209.5fae4d98@free-electrons.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20160725202209.5fae4d98-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> (Thomas Petazzoni's message of "Mon, 25 Jul 2016 20:22:09 +0200") Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Rob Herring Cc: Thomas Petazzoni , Grzegorz Jaszczyk , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Mark Rutland , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Russell King - ARM Linux , Marcin Wojtas , Lior Amsalem List-Id: devicetree@vger.kernel.org Hi Rob, On lun., juil. 25 2016, Thomas Petazzoni wrote: > Hello, > > On Mon, 25 Jul 2016 10:12:43 -0500, Rob Herring wrote: > >> Yes, I get that, but that is only meaningful if you want to run an OS >> that is only aware of 395 on a 398 SoC/board (though I'd guess the 390 >> compat is enough for that). Otherwise, that property is not really >> meaningful as the additional nodes are enough to handle what is the >> superset. >> >> I would agree both are fine if both chips are in fact the same die, >> just fused or packaged differently. I've seen a lot of chips that are >> supposed to be sub/supersets of each other, but have different errata >> lists because they are different die. > > Unfortunately HW vendors are rarely willing to publicly indicate whether > the different chips in their families are actually the same die fused > differently, or really different dies. So do you want that we keep both "marvell,armada398" and "marvell,armada395" or do you xant we use only "marvell,armada398" ? Thanks, Gregory > > Thomas > -- > Thomas Petazzoni, CTO, Free Electrons > Embedded Linux, Kernel and Android engineering > http://free-electrons.com -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html