linux-kernel - Re: [v2 PATCH] dt-bindings: watchdog: da9062-wdt: convert txt to yaml

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Date:   Tue, 17 Oct 2023 12:02:30 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Nik Bune <n2h9z4@...il.com>
Cc:     wim@...ux-watchdog.org, linux@...ck-us.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        skhan@...uxfoundation.org, stwiss.opensource@...semi.com,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [v2 PATCH] dt-bindings: watchdog: da9062-wdt: convert txt to yaml

On Sat, Oct 14, 2023 at 06:49:42PM +0200, Nik Bune wrote:
> >This property is a boolean...
> >
> >> +    description:
> >> +      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.
> >
> >... but you say "can be 0 or 1". Does this refer to the bit value, or
> >the property? There are no in-kernel users of this property as far as a
> >quick grep shows so it is a bi hard to tell.
> >
> >Otherwise, I'm happy with this.
> >
> >Thanks,
> >Conor.
> 
> Hello, thank you for your review!
> 
> Good point. 
> It looks like it is related to property itself. 
> 
> I checked other bindings, like https://www.kernel.org/doc/Documentation/devicetree/bindings/iio/adc/adi%2Cad7192.yaml . They have fields of type boolean with description “When this bit is set to 1”.
> So I put it as boolean.
> 
> I have just checked a couple more, and looks like they are mostly uint32 types with enum, when it goes about 0, 1 bit value in a description.  
> $ref: /schemas/types.yaml#/definitions/uint32
> enum: [0, 1]

It _seems_ like the intention was for this to be an enum, now that I
re-read the description, since it is being used to override the
behaviour from the OTP.

With that changed
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>

Thanks,
Conor.

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