linux-kernel - Re: [PATCH 2/3] dt-bindings: rtc: Add Mstar SSD20xD RTC devicetree bindings documentation

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Date:   Mon, 22 May 2023 08:47:08 +0200
From:   Romain Perier <romain.perier@...il.com>
To:     Conor Dooley <conor@...nel.org>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Daniel Palmer <daniel@...f.com>,
        Rob Herring <robh+dt@...nel.org>, linux-rtc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/3] dt-bindings: rtc: Add Mstar SSD20xD RTC devicetree
 bindings documentation

Le mer. 17 mai 2023 à 19:44, Conor Dooley <conor@...nel.org> a écrit :
>
> Hey Romain,
>
> On Wed, May 17, 2023 at 04:41:43PM +0200, Romain Perier wrote:
> > This adds the documentation for the devicetree bindings of the Mstar
> > SSD20xD RTC driver.
>
> Bindings describe hardware, not the driver ;)

Hi,

Yep, I just copied and pasted the message of a previous merged-commit,
I will fix it.

>
> >
> > Signed-off-by: Romain Perier <romain.perier@...il.com>
> > ---
> >  .../bindings/rtc/mstar,ssd20xd-rtc.yaml       | 37 +++++++++++++++++++
> >  1 file changed, 37 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/rtc/mstar,ssd20xd-rtc.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/rtc/mstar,ssd20xd-rtc.yaml b/Documentation/devicetree/bindings/rtc/mstar,ssd20xd-rtc.yaml
> > new file mode 100644
> > index 000000000000..2acd86cce69f
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/rtc/mstar,ssd20xd-rtc.yaml
> > @@ -0,0 +1,37 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/rtc/mstar,ssd20xd-rtc.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Mstar SSD20xD RTC
> > +
> > +allOf:
> > +  - $ref: rtc.yaml#
> > +
> > +maintainers:
> > +  - Daniel Palmer <daniel@...f.com>
> > +  - Romain Perier <romain.perier@...il.com>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - mstar,ssd20xd-rtc
>
> Is this x a wildcard?
> In general, having a specific compatible is preferred, and if there are
> other models that are compatible we can list several "fall back" to the
> most specific one implemented in a driver.


The first SoC being concerned is SSD202D, so  "mstar,ssd202d-rtc" ?

Thanks,
Romain