Re: [PATCH 1/3] dt-bindings: rtc-2127: Add bindings for nxp,rtc-2127.txt

From: Rob Herring
Date: Mon Sep 14 2020 - 10:37:03 EST


On Mon, Sep 14, 2020 at 1:08 AM Qiang Zhao <qiang.zhao@xxxxxxx> wrote:
>
> On Fri, Sep 11, 2020 at 22:03, Rob Herring <robh@xxxxxxxxxx> wrote:
>
> > -----Original Message-----
> > From: Rob Herring <robh@xxxxxxxxxx>
> > Sent: 2020年9月11日 22:03
> > To: Qiang Zhao <qiang.zhao@xxxxxxx>
> > Cc: a.zummo@xxxxxxxxxxxx; alexandre.belloni@xxxxxxxxxxx;
> > linux-rtc@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> > linux-kernel@xxxxxxxxxxxxxxx
> > Subject: Re: [PATCH 1/3] dt-bindings: rtc-2127: Add bindings for
> > nxp,rtc-2127.txt
> >
> > On Wed, Sep 9, 2020 at 9:16 PM Qiang Zhao <qiang.zhao@xxxxxxx> wrote:
> > >
> > > On Thu, Sep 10, 2020 at 04:25AM, Rob Herring <robh@xxxxxxxxxx> wrote:
> > > > -----Original Message-----
> > > > From: Rob Herring <robh@xxxxxxxxxx>
> > > > Sent: 2020年9月10日 4:25
> > > > To: Qiang Zhao <qiang.zhao@xxxxxxx>
> > > > Cc: a.zummo@xxxxxxxxxxxx; alexandre.belloni@xxxxxxxxxxx;
> > > > linux-rtc@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> > > > linux-kernel@xxxxxxxxxxxxxxx
> > > > Subject: Re: [PATCH 1/3] dt-bindings: rtc-2127: Add bindings for
> > > > nxp,rtc-2127.txt
> > > >
> > > > On Thu, Aug 27, 2020 at 05:14:39PM +0800, Qiang Zhao wrote:
> > > > > From: Zhao Qiang <qiang.zhao@xxxxxxx>
> > > > >
>
> Please help to review as below, if it is ok, I will send the new version patch. Thank you!
>
> diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
> new file mode 100644
> index 0000000..809dd59
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: GPL-2.0

Dual license new bindings please:

(GPL-2.0-only OR BSD-2-Clause)

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/nxp,pcf2127.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: PCF RTCs
> +
> +maintainers:
> + - Qiang Zhao <qiang.zhao@xxxxxxx>
> +
> +allOf:
> + - $ref: "rtc.yaml#"
> +
> +properties:
> + compatible:
> + enum:
> + - nxp,pcf2127
> + - nxp,pcf2129
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + no-watchdog:
> + maxItems: 1

maxItems is for arrays. What's the type here? It should have a description too.

> +
> + start-year: true
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +...
>
> >
> > Documentation/devicetree/writing-schema.rst and about 1000 examples in the
> > kernel tree.
> >
> > Rob