linux-kernel - Re: [PATCH v5 2/2] dt-bindings: leds: lp50xx: Document child reg, fix example

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Message-Id: <175006798950.3330655.3341024776863428708.robh@kernel.org>
Date: Mon, 16 Jun 2025 04:59:49 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Johan Adolfsson <johan.adolfsson@...s.com>
Cc: Andrew Davis <afd@...com>, Lee Jones <lee@...nel.org>, kernel@...s.com, 
 Conor Dooley <conor+dt@...nel.org>, 
 Jacek Anaszewski <jacek.anaszewski@...il.com>, linux-leds@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Pavel Machek <pavel@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>
Subject: Re: [PATCH v5 2/2] dt-bindings: leds: lp50xx: Document child reg,
 fix example


On Mon, 16 Jun 2025 09:57:09 +0200, Johan Adolfsson wrote:
> The led child reg node is the index within the bank, document that
> and update the example accordingly.
> 
> Signed-off-by: Johan Adolfsson <johan.adolfsson@...s.com>
> ---
>  .../devicetree/bindings/leds/leds-lp50xx.yaml        | 20 ++++++++++++++------
>  1 file changed, 14 insertions(+), 6 deletions(-)
> 

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/leds/leds-lp50xx.yaml: patternProperties:^multi-led@[0-9a-f]$:patternProperties:^led@[0-9a-f]+$:properties:reg: {'maxItems': 1, 'items': [{'minimum': 0, 'maximum': 2}], 'description': 'This property denotes the index within the LED bank. The value will act as the index in the multi_index file to give consistent result independent of devicetree processing order.'} should not be valid under {'required': ['maxItems']}
	hint: "maxItems" is not needed with an "items" list
	from schema $id: http://devicetree.org/meta-schemas/items.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/leds/leds-lp50xx.yaml: patternProperties:^multi-led@[0-9a-f]$:patternProperties:^led@[0-9a-f]+$:properties:reg: 'anyOf' conditional failed, one must be fixed:
	'items' is not one of ['maxItems', 'description', 'deprecated']
		hint: Only "maxItems" is required for a single entry if there are no constraints defined for the values.
	'maxItems' is not one of ['description', 'deprecated', 'const', 'enum', 'minimum', 'maximum', 'multipleOf', 'default', '$ref', 'oneOf']
	'items' is not one of ['description', 'deprecated', 'const', 'enum', 'minimum', 'maximum', 'multipleOf', 'default', '$ref', 'oneOf']
	1 is less than the minimum of 2
		hint: Arrays must be described with a combination of minItems/maxItems/items
	hint: cell array properties must define how many entries and what the entries are when there is more than one entry.
	from schema $id: http://devicetree.org/meta-schemas/core.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250616-led-fix-v5-2-f59c740831ab@axis.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.