Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752310Ab3G0UZY (ORCPT ); Sat, 27 Jul 2013 16:25:24 -0400 Received: from mail-oa0-f53.google.com ([209.85.219.53]:49158 "EHLO mail-oa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751936Ab3G0UZW (ORCPT ); Sat, 27 Jul 2013 16:25:22 -0400 MIME-Version: 1.0 In-Reply-To: References: <20130725175702.GC22291@e106331-lin.cambridge.arm.com> <2007664.vYsECFSKrV@flatron> <51F39FD8.6080808@broadcom.com> <2460092.aLmjrOVh1g@flatron> <51F3A82E.2000907@broadcom.com> From: Grant Likely Date: Sat, 27 Jul 2013 14:25:02 -0600 X-Google-Sender-Auth: I03JJqFMZGSHsSm8wt2MwFztan8 Message-ID: Subject: Re: [Ksummit-2013-discuss] DT bindings as ABI [was: Do we have people interested in device tree janitoring / cleanup?] To: "jonsmirl@gmail.com" Cc: Arend van Spriel , Tomasz Figa , Richard Cochran , Olof Johansson , Mark Brown , Mark Rutland , "devicetree@vger.kernel.org" , "ksummit-2013-discuss@lists.linuxfoundation.org" , Russell King - ARM Linux , Ian Campbell , Pawel Moll , Stephen Warren , Domenico Andreoli , "rob.herring@calxeda.com" , "linux-kernel@vger.kernel.org" , Jason Gunthorpe , Dave P Martin , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1689 Lines: 35 On Sat, Jul 27, 2013 at 2:01 PM, jonsmirl@gmail.com wrote: > On Sat, Jul 27, 2013 at 3:45 PM, Grant Likely wrote: >> On Sat, Jul 27, 2013 at 4:59 AM, Arend van Spriel wrote: >>> Let's see how many people go and scream if I say this: Too bad .dts files >>> are not done using XML format as DT bindings could be described using XML >>> Schema. >> >> Draft an example and show us how it would look! :-) There is >> absolutely nothing preventing us from expressing a DT in XML format, >> or even using XSLT to define DT schema while still using our current >> .dts syntax. It would be trivial to do lossless translation between >> .dts syntax and xml. >> >> The problem that I have with XML and XSLT is that it is very verbose >> and not entirely friendly to mere-mortals. However, I'm more than >> willing to be proved wrong on this point. > > I considered this approach a while ago and discarded it. It would work > but it is just too much of a Frankenstein monster. > > Much cleaner to modify dtc to take a schema as part of the compilation > process. The schema language itself has no requirement to look like > DTS syntax. Whoever wrote dtc probably has a favorite language that > would be good for writing schemas in. Making it part of dtc is a required feature as far as I'm concerned. Using XML/XSLT and dtc-integration are not mutually exclusive, but I digress. g. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/