linux-kernel - Re: [PATCH] dt-bindings: rtc: pcf2127: update bindings

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Message-ID: <20210126224835.GE1196852@piout.net>
Date:   Tue, 26 Jan 2021 23:48:35 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>,
        Rob Herring <robh+dt@...nel.org>, linux-rtc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: rtc: pcf2127: update bindings

On 21/12/2020 22:17:54+0100, Rasmus Villemoes wrote:
> On 19/12/2020 02.34, Alexandre Belloni wrote:
> > pcf2127, pcf2129 and pca2129 support start-year and reset-source.
> > 
> 
> No, the 2129 variant doesn't even have a reset output pin. Not sure if
> there's any way to reflect that, and it probably doesn't matter, since
> nobody's going to add the reset-source property to a 2129 node. But the
> commit message is a bit misleading.
> 

Actually no, the INT pin can be used as a reset, the pcf/pca2129
can be used as a watchdog and so it may need the reset-source property.

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com