linux-kernel - Re: [PATCH 1/2] dt-bindings: rtc: add generic bindings

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Date:   Fri, 7 Dec 2018 10:33:56 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Rob Herring <robh+dt@...nel.org>, linux-rtc@...r.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] dt-bindings: rtc: add generic bindings

On 06/12/2018 11:36:59+0100, Geert Uytterhoeven wrote:
> > +The following properties may not be supported by all drivers. However, if a
> > +driver wants to support one of the below features, it should adapt the bindings
> > +below.
> > +- trickle-resistor-ohms : Selected resistor for trickle charger. Should be given
> 
> Can this resistor be less than 1 ohm?
> trickle-resistor-milli-ohms?
> 

Well, this is what current drivers already use so we are stuck with that
for now.

The value should be a few kOhm anyway. I think the lowest I know about
is 250 Ohm.

> > +                          if trickle charger should be enabled
> > +- trickle-diode-disable : Do not use internal trickle charger diode Should be
> > +                          given if internal trickle charger diode should be
> > +                          disabled
> > +- wakeup-source :         Enables wake up of host system on alarm
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> -- 
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

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