linux-kernel - Re: [PATCH 1/2] dt-bindings: iio: adc: Add binding documentation for Renesas RZ/G2L A/D converter

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Message-ID: <CA+V-a8uK=LWdkM0Ma22krAe8fo4Kp2epmgCYQFezGimaqXYrZQ@mail.gmail.com>
Date:   Tue, 13 Jul 2021 17:39:58 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Rob Herring <robh@...nel.org>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-iio@...r.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 1/2] dt-bindings: iio: adc: Add binding documentation for
 Renesas RZ/G2L A/D converter

Hi Geert,

On Tue, Jul 13, 2021 at 5:32 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Tue, Jul 13, 2021 at 6:01 PM Lad, Prabhakar
> <prabhakar.csengg@...il.com> wrote:
> > On Thu, Jul 1, 2021 at 9:21 PM Rob Herring <robh@...nel.org> wrote:
> > > On Tue, Jun 29, 2021 at 11:03:27PM +0100, Lad Prabhakar wrote:
> > > > Add binding documentation for Renesas RZ/G2L A/D converter block.
> > > >
> > > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > > > Reviewed-by: Biju Das <biju.das.jz@...renesas.com>
> > > > ---
> > > >  .../bindings/iio/adc/renesas,rzg2l-adc.yaml   | 121 ++++++++++++++++++
> > > >  1 file changed, 121 insertions(+)
> > > >  create mode 100644 Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml
> > > >
> > > > diff --git a/Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml b/Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml
> > > > new file mode 100644
> > > > index 000000000000..db935d6d59eb
> > > > --- /dev/null
> > > > +++ b/Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml
> > > > @@ -0,0 +1,121 @@
> > > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > > +%YAML 1.2
> > > > +---
> > > > +$id: http://devicetree.org/schemas/iio/adc/renesas,rzg2l-adc.yaml#
> > > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > > +
> > > > +title: Renesas RZ/G2L ADC
> > > > +
> > > > +maintainers:
> > > > +  - Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > > > +
> > > > +description: |
> > > > +  A/D Converter block is a successive approximation analog-to-digital converter
> > > > +  with a 12-bit accuracy. Up to eight analog input channels can be selected.
> > > > +  Conversions can be performed in single or repeat mode. Result of the ADC is
> > > > +  stored in a 32-bit data register corresponding to each channel.
> > > > +
> > > > +properties:
> > > > +  compatible:
> > > > +    oneOf:
> > >
> > > You can drop oneOf here.
> > >
> > Dropping oneOf from here dt_binding_check complains with below report,
> > Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml:
> > properties:compatible: [{'items': [{'enum':
> > ['renesas,r9a07g044-adc']}, {'const': 'renesas,rzg2l-adc'}]}] is not
> > of type 'object', 'boolean'
> > from schema $id: http://json-schema.org/draft-07/schema#
>
> You forgot to drop the dash in front of the items, right?
>
Argh! Thanks for the pointer.

Cheers,
Prabhakar

> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds