linux-kernel - Re: [PATCH v4 03/11] dt-bindings: iio: dac: adi-axi-dac: add ad3552r axi variant

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Message-Id: <172799847830.1778120.2943655597402379925.robh@kernel.org>
Date: Thu, 03 Oct 2024 18:34:39 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Angelo Dureghello <adureghello@...libre.com>
Cc: dlechner@...libre.com, Nuno Sa <nuno.sa@...log.com>, 
 Lars-Peter Clausen <lars@...afoo.de>, Jonathan Cameron <jic23@...nel.org>, 
 Mihail Chindris <mihail.chindris@...log.com>, 
 Olivier Moysan <olivier.moysan@...s.st.com>, linux-iio@...r.kernel.org, 
 Jonathan Cameron <Jonathan.Cameron@...wei.com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, devicetree@...r.kernel.org, 
 Mark Brown <broonie@...nel.org>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Conor Dooley <conor+dt@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 03/11] dt-bindings: iio: dac: adi-axi-dac: add
 ad3552r axi variant


On Thu, 03 Oct 2024 19:29:00 +0200, Angelo Dureghello wrote:
> From: Angelo Dureghello <adureghello@...libre.com>
> 
> Add a new compatible and related bindigns for the fpga-based
> "ad3552r" AXI IP core, a variant of the generic AXI DAC IP.
> 
> The AXI "ad3552r" IP is a very similar HDL (fpga) variant of the
> generic AXI "DAC" IP, intended to control ad3552r and similar chips,
> mainly to reach high speed transfer rates using a QSPI DDR
> (dobule-data-rate) interface.
> 
> The ad3552r device is defined as a child of the AXI DAC, that in
> this case is acting as an SPI controller.
> 
> Signed-off-by: Angelo Dureghello <adureghello@...libre.com>
> ---
>  .../devicetree/bindings/iio/dac/adi,axi-dac.yaml   | 49 +++++++++++++++++++++-
>  1 file changed, 48 insertions(+), 1 deletion(-)
> 

My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.example.dtb: dac@0: spi-max-frequency: 66000000 is greater than the maximum of 30000000
	from schema $id: http://devicetree.org/schemas/iio/dac/adi,ad3552r.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.example.dtb: dac@0: 'io-backends' does not match any of the regexes: '^channel@([0-1])$', 'pinctrl-[0-9]+'
	from schema $id: http://devicetree.org/schemas/iio/dac/adi,ad3552r.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20241003-wip-bl-ad3552r-axi-v0-iio-testing-v4-3-ceb157487329@baylibre.com

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.