linux-kernel - Re: [PATCH v2] dt-bindings: watchdog: toshiba,visconti-wdt: Update the common clock properties

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Message-ID: <6e0f7f48-ecfd-16be-8672-aa4ba11b0c91@roeck-us.net>
Date:   Fri, 20 May 2022 02:11:05 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>
Cc:     linux-watchdog@...r.kernel.org, yuji2.ishikawa@...hiba.co.jp,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v2] dt-bindings: watchdog: toshiba,visconti-wdt: Update
 the common clock properties

On 5/20/22 02:00, Nobuhiro Iwamatsu wrote:
> The clock for this driver switched to the common clock controller driver.
> Therefore, update common clock properties for watchdog in the binding document.
> And this matched this example with the actual dts.
> 
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
>   .../bindings/watchdog/toshiba,visconti-wdt.yaml     | 13 ++++---------
>   1 file changed, 4 insertions(+), 9 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml b/Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml
> index 690e19ce4b87..52c0e0c022ea 100644
> --- a/Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml
> @@ -35,20 +35,15 @@ additionalProperties: false
>   
>   examples:
>     - |
> +    #include <dt-bindings/clock/toshiba,tmpv770x.h>
> +
>       soc {
>           #address-cells = <2>;
>           #size-cells = <2>;
>   
> -        wdt_clk: wdt-clk {
> -            compatible = "fixed-clock";
> -            clock-frequency = <150000000>;
> -            #clock-cells = <0>;
> -        };
> -
> -        watchdog@...30000 {
> +        wdt: watchdog@...30000 {
>               compatible = "toshiba,visconti-wdt";
>               reg = <0 0x28330000 0 0x1000>;
> -            clocks = <&wdt_clk>;
> -            timeout-sec = <20>;
> +            clocks = <&pismu TMPV770X_CLK_WDTCLK>;
>           };
>       };

wdt: isn't needed in the example, and I question if it
really improves the quality of the example to remove
timeout-sec.

Guenter