linux-kernel - Re: [PATCH 1/2] dt-bindings: iio: pressure: honeywell,mprls0025pa

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Date: Wed, 20 Dec 2023 19:25:25 +0200
From: Petre Rodan <petre.rodan@...dimension.ro>
To: Jonathan Cameron <jic23@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Rob Herring <robh+dt@...nel.org>,
	linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [PATCH 1/2] dt-bindings: iio: pressure: honeywell,mprls0025pa


hi Jonathan,

On Wed, Dec 20, 2023 at 03:16:45PM +0000, Jonathan Cameron wrote:
> On Tue, 19 Dec 2023 15:02:20 +0200
> Petre Rodan <petre.rodan@...dimension.ro> wrote:
> >    honeywell,pmin-pascal:
> >      description:
> >        Minimum pressure value the sensor can measure in pascal.
> > +      To be specified only if honeywell,pressure-triplet is set to "NA".
> That just added a backwards compatibility break.  It would be fine
> if there was a default: NA for honeywell,pressure-triplet or a check that either
> one or the other was supplied (which I'd prefer).  Thus old bindings will work
> and new ones also supported.

ok, I see your reasoning. but in this second scenario that you prefer how can we
propery define the 'required:' block? an equivalent to

required:
  - compatible
  - reg
  - (honeywell,pmin-pascal && honeywell,pmax-pascal) || honeywell,pressure-triplet
  - honeywell,transfer-function


thanks,
peter

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