Re: [PATCH] dt-bindings: gpio: Convert Arm PL061 to json-schema

From: Viresh Kumar
Date: Mon May 27 2019 - 02:45:03 EST

On 24-05-19, 13:38, Linus Walleij wrote:
> On Tue, May 14, 2019 at 2:50 AM Rob Herring <robh@xxxxxxxxxx> wrote:
> > Convert the Arm PL061 GPIO controller binding to json-schema format.
> >
> > As I'm the author for all but the gpio-ranges line, make the schema dual
> > GPL/BSD license.
> >
> > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> > Cc: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> > Cc: linux-gpio@xxxxxxxxxxxxxxx
> > Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> Patch applied. As you know I am already a big fan of this scheme.
> > This warns on a few platforms missing clocks, interrupt-controller
> > and/or #interrupt-cells. We could not make those required, but really
> > they should be IMO. OTOH, it's platforms like Spear and Calxeda which
> > aren't too active, so I don't know that we want to fix them.
> What works for you works for me.
> We could add dummy fixed clocks in the DTS files if
> we wanted I suppose. The #interrupt-cells and interrupt-controller
> things we can just fix, but I wonder what the maintainers of these
> platforms are up to? Isn't Calxeda yours, and could Viresh fix
> up the SPEAr?

I checked SPEAr and it is missing interrupt-controller at few places and clocks
everywhere. Missing clocks should be fine as SPEAr doesn't get clocks from DT.

And interrupt-controller can be just added, I don't think there would be any
platform dependent side-affects ?