Subject: Re: [PATCH 2/4] dt-bindings: iio: timer: Convert stm32 IIO trigger bindings to json-schema

From: Rob Herring <[email-masked]>
Date: Tue, 5 Nov 2019 22:06:57 -0600

On Tue, Nov 05, 2019 at 11:07:16AM +0100, Benjamin Gaignard wrote:
> Le dim. 3 nov. 2019 à 12:08, Jonathan Cameron <[email-masked]> a écrit :
> >
> > On Thu, 31 Oct 2019 13:30:38 +0100
> > Benjamin Gaignard <[email-masked]> wrote:
> >
> > > Convert the STM32 IIO trigger binding to DT schema format using json-schema
> > >
> > > Signed-off-by: Benjamin Gaignard <[email-masked]>
> > I'm far from great on these as still haven't taken the time I should to learn
> > the yaml syntax properly.  A few comments inline however based mostly on this
> > doesn't quite look like other ones I've seen recently.
> >
> > Thanks,
> >
> > Jonathan
> >
> > > ---
> > >  .../bindings/iio/timer/st,stm32-timer-trigger.yaml | 44 ++++++++++++++++++++++
> > >  .../bindings/iio/timer/stm32-timer-trigger.txt     | 25 ------------
> > >  2 files changed, 44 insertions(+), 25 deletions(-)
> > >  create mode 100644 Documentation/devicetree/bindings/iio/timer/st,stm32-timer-trigger.yaml
> > >  delete mode 100644 Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt
> > >
> > > diff --git a/Documentation/devicetree/bindings/iio/timer/st,stm32-timer-trigger.yaml b/Documentation/devicetree/bindings/iio/timer/st,stm32-timer-trigger.yaml
> > > new file mode 100644
> > > index 000000000000..1c8c8b55e8cd
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/iio/timer/st,stm32-timer-trigger.yaml
> > > @@ -0,0 +1,44 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/iio/timer/st,stm32-timer-trigger.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: STMicroelectronics STM32 Timers IIO timer bindings
> > > +
> > > +maintainers:
> > > +  - Benjamin Gaignard <[email-masked]>
> > > +  - Fabrice Gasnier <[email-masked]>
> > > +
> > > +properties:
> > > +  $nodemane:
> >
> > nodename?
> 
> That will be in v2

No, $nodename is correct. The '$' signifies something we generate and 
add in. IOW, not a real property. I guess we could have used 'name' here 
and stuck with traditional OpenFirmware.

> 
> >
> > > +    pattern: "^timer@[0-9]+$"
> > > +    type: object
> > > +
> > > +    description:
> > > +      must be a sub-node of an STM32 Timer device tree node
> > > +
> > > +    properties:
> > > +      compatible:
> > > +        oneOf:
> >
> > enum is I think preferred for these.
> 
> as you like it will be in v2
> 
> >
> > > +          - const: st,stm32-timer-trigger
> > > +          - const: st,stm32h7-timer-trigger
> > > +
> > > +      reg: true
> >
> > Normally some info for what the reg value is..
> I can't put "description" on this field because the syntax doesn't allow it.
> I will add a comment in v2 to explain what reg is.

items:
  - maximum: <max timer number>

Rob

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