[PATCH 2/3] dt-bindings: timer: Document arm, cortex-a7-timer for arch timer

[Kuldeep Singh]

On Wed, Mar 16, 2022 at 05:28:49PM +0100, Krzysztof Kozlowski wrote:
> On 16/03/2022 10:54, Kuldeep Singh wrote:
> > Renesas RZ/N1D platform uses compatible "arm,cortex-a7-timer" in
> > conjugation with "arm,armv7-timer". Since, initial entry is not
> > documented, it start raising dtbs_check warnings.
> > 
> > ['arm,cortex-a7-timer', 'arm,armv7-timer'] is too long
> > 'arm,cortex-a7-timer' is not one of ['arm,armv7-timer', 'arm,armv8-timer']
> > 'arm,cortex-a7-timer' is not one of ['arm,cortex-a15-timer']
> > 
> > In general, removing an existing entry is mostly devastating considering
> > backward compatibility. Therefore, document it.
> 
> How removing undocumented and unused compatible is devastating for
> backwards compatibility? I don't see it.
> 
> DTS is rather wrong, not bindings. Otherwise please explain it more, why
> DTS is correct.

Please see my comment on 3/3 patch.

- Kuldeep