linux-kernel - Re: [PATCH v3 1/2] dt-bindings: rtc: add reset-source property

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Message-ID: <CAL_JsqKZh7iKY+i6jxU+csH_dkdq=sRHff-5+C08WRQqoGnnOQ@mail.gmail.com>
Date:   Fri, 18 Dec 2020 15:19:35 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>
Cc:     "open list:REAL TIME CLOCK (RTC) SUBSYSTEM" 
        <linux-rtc@...r.kernel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        devicetree@...r.kernel.org,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Qiang Zhao <qiang.zhao@....com>,
        Bruno Thomsen <bruno.thomsen@...il.com>
Subject: Re: [PATCH v3 1/2] dt-bindings: rtc: add reset-source property

On Fri, Dec 18, 2020 at 4:11 AM Rasmus Villemoes
<rasmus.villemoes@...vas.dk> wrote:
>
> Some RTCs, e.g. the pcf2127, can be used as a hardware watchdog. But
> if the reset pin is not actually wired up, the driver exposes a
> watchdog device that doesn't actually work.
>
> Provide a standard binding that can be used to indicate that a given
> RTC can perform a reset of the machine, similar to wakeup-source.
>
> Suggested-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Signed-off-by: Rasmus Villemoes <rasmus.villemoes@...vas.dk>
> ---
>  Documentation/devicetree/bindings/rtc/rtc.yaml | 5 +++++
>  1 file changed, 5 insertions(+)

Reviewed-by: Rob Herring <robh@...nel.org>