Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753167Ab3G1D2h (ORCPT ); Sat, 27 Jul 2013 23:28:37 -0400 Received: from mail-oa0-f47.google.com ([209.85.219.47]:62536 "EHLO mail-oa0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753080Ab3G1D2g (ORCPT ); Sat, 27 Jul 2013 23:28:36 -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 21:28:15 -0600 X-Google-Sender-Auth: ldHs45zot471kE7vb3Tbkqo3uwk 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: 1917 Lines: 39 On Sat, Jul 27, 2013 at 2:25 PM, Grant Likely wrote: > 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. Oops, ignore the XSLT bit. XSLT isn't schema and has no bearing on the discussion of schema. Sorry for the noise. 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/