linux-kernel - Re: [PATCH v6 02/11] dt-bindings: iio: adc: ad7768-1: add trigger-sources property

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Message-ID: <aBpgFQ+/KBXdvyWx@JSANTO12-L01.ad.analog.com>
Date: Tue, 6 May 2025 16:16:37 -0300
From: Jonathan Santos <jonath4nns@...il.com>
To: Jonathan Cameron <jic23@...nel.org>
Cc: Jonathan Santos <Jonathan.Santos@...log.com>, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org, andy@...nel.org, nuno.sa@...log.com,
	Michael.Hennerich@...log.com, marcelo.schmitt@...log.com,
	robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	marcelo.schmitt1@...il.com, linus.walleij@...aro.org, brgl@...ev.pl,
	lgirdwood@...il.com, broonie@...nel.org, dlechner@...libre.com
Subject: Re: [PATCH v6 02/11] dt-bindings: iio: adc: ad7768-1: add
 trigger-sources property

On 05/05, Jonathan Cameron wrote:
> On Sun, 27 Apr 2025 21:12:16 -0300
> Jonathan Santos <Jonathan.Santos@...log.com> wrote:
> 
...
> >  required:
> >    - compatible
> >    - reg
> > @@ -65,7 +95,6 @@ required:
> >    - vref-supply
> >    - spi-cpol
> >    - spi-cpha
> > -  - adi,sync-in-gpios
> 
> Maybe worth requiring oneOf adi,sync-in-gpios or trigger-sources? 
> 

We cannot do that because we defined that self triggering is enabled
when trigger-sources is omitted (is this case adi,sync-in-gpios is not
present as well).

> >  
> >  patternProperties:
> >    "^channel@([0-9]|1[0-5])$":
> > diff --git a/include/dt-bindings/iio/adc/adi,ad7768-1.h b/include/dt-bindings/iio/adc/adi,ad7768-1.h
> > new file mode 100644
> > index 000000000000..34d92856a50b
> > --- /dev/null
> > +++ b/include/dt-bindings/iio/adc/adi,ad7768-1.h
> > @@ -0,0 +1,10 @@
> > +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> > +
> > +#ifndef _DT_BINDINGS_ADI_AD7768_1_H
> > +#define _DT_BINDINGS_ADI_AD7768_1_H
> > +
> > +#define AD7768_TRIGGER_SOURCE_SYNC_OUT  0
> > +#define AD7768_TRIGGER_SOURCE_GPIO3     1
> > +#define AD7768_TRIGGER_SOURCE_DRDY      2
> > +
> > +#endif /* _DT_BINDINGS_ADI_AD7768_1_H */
>