Messages in this thread | | | Date | Mon, 29 Jul 2013 12:16:10 +0200 | From | "Arend van Spriel" <> | Subject | Re: [Ksummit-2013-discuss] DT bindings as ABI [was: Do we have people interested in device tree janitoring / cleanup?] |
| |
On 07/29/2013 11:19 AM, Arend van Spriel wrote: > On 07/27/2013 10:01 PM, jonsmirl@gmail.com wrote: >> On Sat, Jul 27, 2013 at 3:45 PM, Grant Likely >> <grant.likely@secretlab.ca> wrote: >>> On Sat, Jul 27, 2013 at 4:59 AM, Arend van Spriel >>> <arend@broadcom.com> 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. > > Ah, but he is so cute. At least I do not think it is more monstrous as > the bindings files. I just browsed through a couple of arm binding files > as I felt challenged to come up with an example. I did not get the > impression that there is some kind of template in place to get consitent > bindings descriptions. > >> 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. > > Not sure if I can follow here. I guess you mean the dts compilation, > right? There are tools freely available to validate XML files against > XSD specification files. As an example libxml2 has support for it. I > suspect it is not desired to have a dependency for DTC with an > out-of-tree library, but it could be incorporated and have DTC spew the > validation results.
crap. Probably not as libxml2 has MIT-license.
Regards, Arend
| |