linux-kernel - Re: [PATCH 2/6] dt-bindings: iio: adc: ad7380: fix ad7380-4 reference supply

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Message-ID: <v7in5n6ktmu5kfzlndn4eujmk5n66fmft4lvwuvucqbcv5r5hb@etdqvn6ev6nl>
Date: Tue, 8 Oct 2024 09:52:50 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Julien Stephan <jstephan@...libre.com>
Cc: Lars-Peter Clausen <lars@...afoo.de>, 
	Michael Hennerich <Michael.Hennerich@...log.com>, Nuno Sá <nuno.sa@...log.com>, 
	David Lechner <dlechner@...libre.com>, Jonathan Cameron <jic23@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, 
	Mark Brown <broonie@...nel.org>, Jonathan Corbet <corbet@....net>, linux-iio@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Conor Dooley <conor.dooley@...rochip.com>, Jonathan Cameron <Jonathan.Cameron@...wei.com>, 
	linux-doc@...r.kernel.org
Subject: Re: [PATCH 2/6] dt-bindings: iio: adc: ad7380: fix ad7380-4
 reference supply

On Mon, Oct 07, 2024 at 05:45:45PM +0200, Julien Stephan wrote:
> ad7380-4 is the only device from ad738x family that doesn't have an
> internal reference. Moreover its external reference is called REFIN in
> the datasheet while all other use REFIO as an optional external
> reference. If refio-supply is omitted the internal reference is
> used.
> 
> Fix the binding by adding refin-supply and makes it required for
> ad7380-4 only.

Maybe let's just use refio as refin? Reference-IO fits here well.
Otherwise you have two supplies for the same.

Best regards,
Krzysztof