linux-kernel - Re: [PATCH v7 2/8] dt-bindings: iio: dac: adi-axi-dac: add ad3552r axi variant

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Message-ID: <20241024-broiler-energetic-243fff75aa5b@spud>
Date: Thu, 24 Oct 2024 17:45:17 +0100
From: Conor Dooley <conor@...nel.org>
To: David Lechner <dlechner@...libre.com>
Cc: Nuno Sá <noname.nuno@...il.com>,
	Angelo Dureghello <adureghello@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Jonathan Cameron <jic23@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Olivier Moysan <olivier.moysan@...s.st.com>,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH v7 2/8] dt-bindings: iio: dac: adi-axi-dac: add ad3552r
 axi variant

On Thu, Oct 24, 2024 at 09:43:02AM -0500, David Lechner wrote:
> >>>
> >> thanks, could you maybe have a look if it's ok now ?
> >> (maxItems not needed for a const list)
> >>
> >>   clocks:
> >>     minItems: 1
> >>     maxItems: 2
> >>
> >>   clock-names:
> >>     items:
> >>       - const: s_axi_aclk
> >>       - const: dac_clk
> >>     minItems: 1
> >>
> >>   '#io-backend-cells':
> >>     const: 0
> >>
> >> required:
> >>   - compatible
> >>   - dmas
> >>   - reg
> >>   - clocks
> >>
> >> allOf:
> >>   - if:
> >>       properties:
> >>         compatible:
> >>           contains:
> >>             const: adi,axi-ad3552r
> >>     then:
> >>       $ref: /schemas/spi/spi-controller.yaml#
> >>       properties:
> >>         clocks:
> >>           minItems: 2
> >>         clock-names:
> >>           minItems: 2
> 
> 
> For this one, I think we also need:
> 
>          required:
>            - clock-names

Ye, Angelo had that in the version posted in response to the driver
patch.
This looks ~correct.

> 
> >>     else:
> >>       properties:
> >>         clocks:
> >>           maxItems: 1
> >>         clock-names:
> >>           maxItems: 1
> > 
> > I guess in this case it could even be clock-names: false. One does not make much
> > sense.

And since it is not mandatory, doubly useless.

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