linux-kernel - Re: [PATCH v7 1/5] dt-bindings: watchdog: mt7621-wdt: add phandle to access system controller registers

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Date:   Tue, 14 Feb 2023 07:10:11 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Sergio Paracuellos <sergio.paracuellos@...il.com>
Cc:     linux-watchdog@...r.kernel.org, wim@...ux-watchdog.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        matthias.bgg@...il.com, arinc.unal@...nc9.com,
        tsbogend@...ha.franken.de, p.zabel@...gutronix.de,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v7 1/5] dt-bindings: watchdog: mt7621-wdt: add phandle to
 access system controller registers

On Tue, Feb 14, 2023 at 11:39:32AM +0100, Sergio Paracuellos wrote:
> MT7621 SoC provides a system controller node for accessing to some registers.
> Add a phandle in this node to avoid using MIPS related arch operations and
> includes in watchdog driver code.
> 
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  .../devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml  | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml b/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml
> index b2b17fdf4e39..a668d0c2f14b 100644
> --- a/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml
> @@ -19,6 +19,12 @@ properties:
>    reg:
>      maxItems: 1
>  
> +  mediatek,sysctl:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      phandle to system controller 'sysc' syscon node which
> +      controls system registers
> +
>  required:
>    - compatible
>    - reg
> @@ -30,4 +36,5 @@ examples:
>      watchdog@100 {
>        compatible = "mediatek,mt7621-wdt";
>        reg = <0x100 0x100>;
> +      mediatek,sysctl = <&sysc>;
>      };
> -- 
> 2.25.1
>