linux-kernel - Re: [PATCH] dt-bindings: watchdog: cnxt,cx92755-wdt: convert txt to yaml

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Message-ID: <20231022-sequence-munchkin-099ebb5b0573@spud>
Date:   Sun, 22 Oct 2023 18:45:27 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Nik Bune <n2h9z4@...il.com>
Cc:     wim@...ux-watchdog.org, linux@...ck-us.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        skhan@...uxfoundation.org, baruch@...s.co.il,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: watchdog: cnxt,cx92755-wdt: convert txt to
 yaml

On Sun, Oct 22, 2023 at 06:30:04PM +0100, Conor Dooley wrote:
> On Sun, Oct 22, 2023 at 02:03:28PM +0200, Nik Bune wrote:
> > Convert txt file to yaml.
> > Add maintainers list. Took from Documentation/devicetree/bindings/arm/digicolor.yaml file. 
> 
> That seems like a bit of an odd reasoning, but Baruch was the submitter
> for the original txt form binding for this watchdog , per the git history.
> 
> > 
> > Signed-off-by: Nik Bune <n2h9z4@...il.com>
> > ---
> >  .../bindings/watchdog/cnxt,cx92755-wdt.yaml   | 49 +++++++++++++++++++
> >  .../bindings/watchdog/digicolor-wdt.txt       | 25 ----------
> >  2 files changed, 49 insertions(+), 25 deletions(-)
> >  create mode 100644 Documentation/devicetree/bindings/watchdog/cnxt,cx92755-wdt.yaml
> >  delete mode 100644 Documentation/devicetree/bindings/watchdog/digicolor-wdt.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/watchdog/cnxt,cx92755-wdt.yaml b/Documentation/devicetree/bindings/watchdog/cnxt,cx92755-wdt.yaml
> > new file mode 100644
> > index 000000000000..acd2d30b20f3
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/watchdog/cnxt,cx92755-wdt.yaml
> > @@ -0,0 +1,49 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/watchdog/cnxt,cx92755-wdt.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Conexant Digicolor SoCs Watchdog timer
> > +
> > +description: |
> > +  The watchdog functionality in Conexant Digicolor SoCs relies on the so called
> > +  "Agent Communication" block. This block includes the eight programmable system
> > +  timer counters. The first timer (called "Timer A") is the only one that can be
> > +  used as watchdog.
> > +
> > +allOf:
> > +  - $ref: watchdog.yaml#
> > +
> > +maintainers:
> > +  - Baruch Siach <baruch@...s.co.il>
> > +
> > +properties:
> > +  compatible:
> > +    const: cnxt,cx92755-wdt
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    $ref: /schemas/types.yaml#/definitions/phandle
> > +    description:
> > +      specifies the clock that drives the timer
> 
> This can just be:
>   clocks:
>     maxItems: 1
> 
> as clocks is a generic property & if there's only one clock, describing
> it is usually needless.
> 
> Otherwise this conversion looks okay to me.

> > +
> > +  timeout-sec: true

While looking at your other wd conversion I noticed this, which should
not be needed since you are referencing watchdog.yaml.

Cheers,
Conor.

> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    watchdog@...00fc0 {
> > +        compatible = "cnxt,cx92755-wdt";
> > +        reg = <0xf0000fc0 0x8>;
> > +        clocks = <&main_clk>;
> > +        timeout-sec = <15>;
> > +    };
> > diff --git a/Documentation/devicetree/bindings/watchdog/digicolor-wdt.txt b/Documentation/devicetree/bindings/watchdog/digicolor-wdt.txt
> > deleted file mode 100644
> > index a882967e17d4..000000000000
> > --- a/Documentation/devicetree/bindings/watchdog/digicolor-wdt.txt
> > +++ /dev/null
> > @@ -1,25 +0,0 @@
> > -Conexant Digicolor SoCs Watchdog timer
> > -
> > -The watchdog functionality in Conexant Digicolor SoCs relies on the so called
> > -"Agent Communication" block. This block includes the eight programmable system
> > -timer counters. The first timer (called "Timer A") is the only one that can be
> > -used as watchdog.
> > -
> > -Required properties:
> > -
> > -- compatible : Should be "cnxt,cx92755-wdt"
> > -- reg : Specifies base physical address and size of the registers
> > -- clocks : phandle; specifies the clock that drives the timer
> > -
> > -Optional properties:
> > -
> > -- timeout-sec : Contains the watchdog timeout in seconds
> > -
> > -Example:
> > -
> > -	watchdog@...00fc0 {
> > -		compatible = "cnxt,cx92755-wdt";
> > -		reg = <0xf0000fc0 0x8>;
> > -		clocks = <&main_clk>;
> > -		timeout-sec = <15>;
> > -	};
> > -- 
> > 2.34.1
> > 



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