linux-kernel - Re: [PATCH v4 2/4] Documentation: dt: iio: at91-sama5d2

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Message-ID: <20170611122520.2a72c37b@jic23.retrosnub.co.uk>
Date:   Sun, 11 Jun 2017 12:25:20 +0100
From:   Jonathan Cameron <jic23@...23.retrosnub.co.uk>
To:     Eugen Hristev <eugen.hristev@...rochip.com>
Cc:     <nicolas.ferre@...rochip.com>,
        <alexandre.belloni@...e-electrons.com>,
        <linux-iio@...r.kernel.org>, <lars@...afoo.de>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <ludovic.desroches@...rochip.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v4 2/4] Documentation: dt: iio: at91-sama5d2_adc: add hw
 trigger edge binding

On Sun, 11 Jun 2017 12:24:13 +0100
Jonathan Cameron <jic23@...nel.org> wrote:

> On Fri, 9 Jun 2017 10:07:17 +0300
> Eugen Hristev <eugen.hristev@...rochip.com> wrote:
> 
> > Add property for the edge type of the hardware trigger pin ADTRG
> > 
> > Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>  
> Hi Eugen,
> 
> CC the device tree maintainers and list for devicetree binding changes.
> 
> I've added them.   This one is unusual enough it will need and Ack from
> that direction (and I prefer to get them even for the trivial patches
> when Rob and Mark aren't too busy!)
Sorry, I missed that you had cc'd the list - just noticed it in the
next patch and thought that was odd!

Anyhow, good work - we'll just wait for them to have a chance to look
at it :)
> 
> Jonathan
> > ---
> >   Changes in v4:
> >  - Modified bindings to be similar with interrupts
> > 
> >  Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> > index 3223684..552e7a8 100644
> > --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> > +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> > @@ -11,6 +11,11 @@ Required properties:
> >    - atmel,min-sample-rate-hz: Minimum sampling rate, it depends on SoC.
> >    - atmel,max-sample-rate-hz: Maximum sampling rate, it depends on SoC.
> >    - atmel,startup-time-ms: Startup time expressed in ms, it depends on SoC.
> > +  - atmel,trigger-edge-type: One of possible edge types for the ADTRG hardware
> > +  trigger pin. When the specific edge type is detected, the conversion will
> > +  start. Possible values are rising, falling, or both.
> > +  This property uses the IRQ edge types values: IRQ_TYPE_EDGE_RISING ,
> > +  IRQ_TYPE_EDGE_FALLING or IRQ_TYPE_EDGE_BOTH
> >  
> >  Example:
> >  
> > @@ -25,4 +30,5 @@ adc: adc@...30000 {
> >  	atmel,startup-time-ms = <4>;
> >  	vddana-supply = <&vdd_3v3_lp_reg>;
> >  	vref-supply = <&vdd_3v3_lp_reg>;
> > +	atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>;
> >  }  
> 
> --
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