Re: [PATCH v3 1/2] watchdog: bindings: Add binding documentation for Toshiba Visconti watchdog device

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Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@xxxxxxxxxxxxx> writes:

> Add documentation for the binding of Toshiba Visconti SoC's watchdog.
>
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@xxxxxxxxxxxxx>
> ---
>  .../watchdog/toshiba,visconti-wdt.yaml        | 49 +++++++++++++++++++
>  1 file changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml
>
> diff --git a/Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml b/Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml
> new file mode 100644
> index 000000000000..721e38fa5a0f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml
> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2020 Toshiba Electronic Devices & Storage Corporation
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/watchdog/toshiba,visconti-wdt.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Toshiba Visconti SoCs PIUWDT Watchdog timer
> +
> +maintainers:
> +  - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@xxxxxxxxxxxxx>
> +
> +allOf:
> +  - $ref: watchdog.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - toshiba,visconti-wdt
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +examples:
> +  - |
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        wdt_clk: wdt-clk {
> +            compatible = "fixed-clock";
> +            clock-frequency = <150000000>;
> +            #clock-cells = <0>;
> +        };
> +
> +        watchdog@28330000 {
> +            compatible = "toshiba,visconti-wdt";
> +            reg = <0 0x28330000 0 0x1000>;
> +            clocks = <&wdt_clk>;
> +        };

I was going to suggest adding the "timeout-sec" property as described in
watchdog.yaml but both code and usage seems to suggest it is optional.

> +    };

So,

Reviewed-by: Punit Agrawal <punit1.agrawal@xxxxxxxxxxxxx>

Thanks.



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