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Date: Wed, 3 Apr 2024 13:08:06 +0300
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Subject: Re: [PATCH 1/6] dt-bindings: adc: ad7173: add support for ad411x
From: "Ceclan, Dumitru" <mitrutzceclan@gmail.com>
To: David Lechner <dlechner@baylibre.com>, dumitru.ceclan@analog.com
Cc: Lars-Peter Clausen <lars@metafoo.de>,
 Michael Hennerich <Michael.Hennerich@analog.com>,
 Jonathan Cameron <jic23@kernel.org>, Rob Herring <robh@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>, linux-iio@vger.kernel.org,
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
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On 03/04/2024 10:45, Ceclan, Dumitru wrote:
> On 01/04/2024 23:22, David Lechner wrote:
>> On Mon, Apr 1, 2024 at 2:37 PM David Lechner <dlechner@baylibre.com> wrote:
>>>
>>> On Mon, Apr 1, 2024 at 10:10 AM Dumitru Ceclan via B4 Relay
>>> <devnull+dumitru.ceclan.analog.com@kernel.org> wrote:
> 
> ...
> 
>>
>> Also, I just noticed that AD411x have only one AVDD input instead of
>> AVDD1 and AVDD2. So we need an if statement that says if properties:
>> compatible: enum: - adi,ad411x, then properties: avdd2-supply: false.
> 
> Already addressed by this:
> "
>   # Only ad7172-4, ad7173-8 and ad7175-8 support vref2
>   - if:
>       properties:
>         compatible:
>           not:
>             contains:
>               enum:
>                 - adi,ad7172-4
>                 - adi,ad7173-8
>                 - adi,ad7175-8
>     then:
>       properties:
>         vref2-supply: false
>       patternProperties:
>         "^channel@[0-9a-f]$":
>           properties:
>             adi,reference-select:
>               enum:
>                 - vref
>                 - refout-avss
>                 - avdd
> "

Mistaken vref2-supply to avdd2-supply.

But still, the presence of avdd2-supply does not influence anything at all.
Driver does not use it, you cannot select it for channel conversions.
Would a restriction like this really be required?