[RESEND] [PATCH v2 1/2] arm: devtree: Set system_rev from DT revision

[Rob Herring]

On Mon, Jul 6, 2015 at 8:12 AM, Pali Rohár <pali.rohar at gmail.com> wrote:
> On Monday 06 July 2015 14:31:27 Tony Lindgren wrote:
>> * Pali Rohár <pali.rohar at gmail.com> [150706 05:25]:
>> > into which file should I put documentation about new DT properties?
>>
>> If it's Linux generic like linux,revision, then how about
>> Documentation/devicetree/bindings/revision.txt?
>>
>> For the ATAGs, Documentation/devicetree/bindings/arm/atag.txt?
>>
>> Regards,
>>
>> Tony
>
> Hm... now I'm thinking into which DT field should I put atags and
> revision. In previous emails you wrote to use "linux,atags", now
> "arm,atags"? And put them into root node? Or other?
>
> In arch/arm/boot/compressed/atags_to_fdt.c code I see that most atag
> properties are converted into "/chosen" node in DT...
>
> So what do you prefer for "revision" and what for "atags"?
>
> Some mentioned examples:
>
> "/revision"

This one. This is a top level h/w property.

> "/chosen/revision"
> "/linux,revision"
> "/chosen/linux,revision"
> ...
>
> "/atags"
> "/chosen/atags"
> "/linux,atags"
> "/chosen/linux,atags"

This one. ATAGs are a Linux data struct.

Rob

> "/arm,atags"
> "/chosen/arm,atags"
> ...
>
> --
> Pali Rohár
> pali.rohar at gmail.com