linux-kernel - Re: [PATCH 09/43] dt-bindings: watchdog: add DT bindings for Cirrus EP93x

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Message-ID: <7353ae3d-baf1-4f7f-9d87-ae322aa37338@roeck-us.net>
Date:   Mon, 24 Apr 2023 07:18:06 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Nikita Shubin <nikita.shubin@...uefel.me>
Cc:     Arnd Bergmann <arnd@...nel.org>, Linus Walleij <linusw@...nel.org>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/43] dt-bindings: watchdog: add DT bindings for Cirrus
 EP93x

On Mon, Apr 24, 2023 at 07:16:16AM -0700, Guenter Roeck wrote:
> On Mon, Apr 24, 2023 at 03:34:25PM +0300, Nikita Shubin wrote:
> > This adds device tree bindings for the Cirrus Logic EP93xx
> > watchdog block used in these SoCs.
> > 
> > Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
> > ---
> >  .../bindings/watchdog/cirrus,ep93xx-wdt.yaml  | 38 +++++++++++++++++++
> >  1 file changed, 38 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/watchdog/cirrus,ep93xx-wdt.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/watchdog/cirrus,ep93xx-wdt.yaml b/Documentation/devicetree/bindings/watchdog/cirrus,ep93xx-wdt.yaml
> > new file mode 100644
> > index 000000000000..f39d6b14062d
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/watchdog/cirrus,ep93xx-wdt.yaml
> > @@ -0,0 +1,38 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/watchdog/cirrus,ep93xx-wdt.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Cirrus Logic EP93xx Watchdog Timer
> > +
> > +maintainers:
> > +  - Wim Van Sebroeck <wim@...ux-watchdog.org>
> > +
> > +description:
> > +  Watchdog driver for Cirrus Logic EP93xx family of devices.
> > +
> > +allOf:
> > +  - $ref: "watchdog.yaml#"
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - cirrus,ep9301-wdt
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +
> > +additionalProperties: false
> 
> The driver does support reading the timeout from devicetree.
> It might make sense to mention that here.
> 
Never mind - I guess that is includeds in watchdog.yaml.
Sorry for the noise.

> > +
> > +examples:
> > +  - |
> > +    wdt0: watchdog@...40000 {
> > +        compatible = "cirrus,ep9301-wdt";
> > +        reg = <0x80940000 0x08>;
> > +    };
> > +
> > -- 
> > 2.39.2
> >