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

[Conor Dooley]

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@xxxxxxxxx>
> ---
>  .../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@xxxxxxxxxx>
> +
> +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.

Cheers,
Conor.

> +
> +  timeout-sec: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    watchdog@f0000fc0 {
> +        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@f0000fc0 {
> -		compatible = "cnxt,cx92755-wdt";
> -		reg = <0xf0000fc0 0x8>;
> -		clocks = <&main_clk>;
> -		timeout-sec = <15>;
> -	};
> -- 
> 2.34.1
>

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