linux-kernel - Re: [PATCH] dt-bindings: RTC: merge ds1339 in ds1307 documentation

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Date:   Wed, 27 Sep 2017 15:58:19 +0200
From:   Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: RTC: merge ds1339 in ds1307 documentation

On 20/09/2017 at 15:52:20 -0500, Rob Herring wrote:
> On Fri, Sep 15, 2017 at 03:45:51AM +0200, Alexandre Belloni wrote:
> > Now that there is documentation for the ds1307 and compatible RTCs, merge
> > the ds1339 documentation in it.
> > 
> > Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
> > ---
> >  .../devicetree/bindings/rtc/dallas,ds1339.txt          | 18 ------------------
> >  Documentation/devicetree/bindings/rtc/rtc-ds1307.txt   |  6 ++++++
> >  2 files changed, 6 insertions(+), 18 deletions(-)
> >  delete mode 100644 Documentation/devicetree/bindings/rtc/dallas,ds1339.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/rtc/dallas,ds1339.txt b/Documentation/devicetree/bindings/rtc/dallas,ds1339.txt
> > deleted file mode 100644
> > index 916f57601a8f..000000000000
> > --- a/Documentation/devicetree/bindings/rtc/dallas,ds1339.txt
> > +++ /dev/null
> > @@ -1,18 +0,0 @@
> > -* Dallas DS1339		I2C Serial Real-Time Clock
> > -
> > -Required properties:
> > -- compatible: Should contain "dallas,ds1339".
> > -- reg: I2C address for chip
> > -
> > -Optional properties:
> > -- trickle-resistor-ohms : Selected resistor for trickle charger
> > -	Values usable for ds1339 are 250, 2000, 4000
> > -	Should be given 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
> > -Example:
> > -	ds1339: rtc@68 {
> > -		compatible = "dallas,ds1339";
> > -		trickle-resistor-ohms = <250>;
> > -		reg = <0x68>;
> > -	};
> > diff --git a/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
> > index d1a820e25cb9..2eacc17a9b8d 100644
> > --- a/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
> > +++ b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
> > @@ -26,6 +26,11 @@ Optional properties:
> >  - clock-output-names: From common clock binding to override the default output
> >                        clock name
> >  - wakeup-source: Enables wake up of host system on alarm
> > +- trickle-resistor-ohms : Selected resistor for trickle charger
> > +	Values usable for ds1339 are 250, 2000, 4000
> > +	Should be given 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
> 
> Do these apply to all compatibles or just 1339?

I'll send v2 shortly that is clearer about that.

> 
> Rob

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com