linux-kernel - Re: [PATCH v3 2/2] dt-bindings: watchdog: arm,sp805: document the reset signal

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Message-ID: <b28acf81-75e6-444b-bd4b-c67f2bbd980c@roeck-us.net>
Date: Wed, 21 Feb 2024 04:55:36 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: forbidden405@...look.com
Cc: Wim Van Sebroeck <wim@...ux-watchdog.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Viresh Kumar <vireshk@...nel.org>, linux-watchdog@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v3 2/2] dt-bindings: watchdog: arm,sp805: document the
 reset signal

On Wed, Feb 21, 2024 at 07:56:42PM +0800, Yang Xiwen via B4 Relay wrote:
> From: Yang Xiwen <forbidden405@...look.com>
> 
> The reset signal needs to be deasserted before operation of sp805
> module. Document in the binding.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Yang Xiwen <forbidden405@...look.com>

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

> ---
>  Documentation/devicetree/bindings/watchdog/arm,sp805.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
> index 7aea255b301b..bd7c09ed1938 100644
> --- a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
> @@ -50,6 +50,10 @@ properties:
>        - const: wdog_clk
>        - const: apb_pclk
>  
> +  resets:
> +    maxItems: 1
> +    description: WDOGRESn input reset signal for sp805 module.
> +
>  required:
>    - compatible
>    - reg
> @@ -67,4 +71,5 @@ examples:
>          interrupts = <GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>;
>          clocks = <&wdt_clk>, <&apb_pclk>;
>          clock-names = "wdog_clk", "apb_pclk";
> +        resets = <&wdt_rst>;
>      };
> 
> -- 
> 2.43.0
>