linux-kernel - Re: [PATCH v2 3/4] dt-bindings: watchdog: da9062: add watchdog timeout mode

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Message-ID: <4591cdd6-9a7b-cd1d-817d-8950c8976d10@roeck-us.net>
Date:   Tue, 30 Nov 2021 06:32:49 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Andrej Picej <andrej.picej@...ik.com>
Cc:     support.opensource@...semi.com, wim@...ux-watchdog.org,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 3/4] dt-bindings: watchdog: da9062: add watchdog
 timeout mode

On 11/30/21 5:42 AM, Andrej Picej wrote:
> Document the watchdog timeout mode property. If this property is used
> the user can select what happens on watchdog timeout. Set this property
> to 1 to enable SHUTDOWN (the device resets), set it to 0 and the device
> will go to POWERDOWN on watchdog timeout.
> 
> Signed-off-by: Andrej Picej <andrej.picej@...ik.com>
> ---
>   Documentation/devicetree/bindings/watchdog/da9062-wdt.txt | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
> index 950e4fba8dbc..e3e6e56cee21 100644
> --- a/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
> +++ b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
> @@ -10,6 +10,9 @@ Optional properties:
>   - dlg,use-sw-pm: Add this property to disable the watchdog during suspend.
>   	Only use this option if you can't use the watchdog automatic suspend
>   	function during a suspend (see register CONTROL_B).
> +- dlg,wdt-sd: Set what happens on watchdog timeout. If this bit is set the
> +	watchdog timeout triggers SHUTDOWN, if cleared the watchdog triggers
> +	POWERDOWN. Can be 0 or 1.
>   

Why does it need a value ? Why not just bool ?

Guenter