linux-kernel - Re: [PATCH v1 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph support for board path

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Date: Thu, 04 Apr 2024 04:26:07 -0500
From: Rob Herring <robh@...nel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: shawn.sung@...iatek.com, ck.hu@...iatek.com, 
 linux-arm-kernel@...ts.infradead.org, krzysztof.kozlowski+dt@...aro.org, 
 chunkuang.hu@...nel.org, daniel@...ll.ch, p.zabel@...gutronix.de, 
 wenst@...omium.org, matthias.bgg@...il.com, airlied@...il.com, 
 tzimmermann@...e.de, kernel@...labora.com, 
 maarten.lankhorst@...ux.intel.com, dri-devel@...ts.freedesktop.org, 
 linux-kernel@...r.kernel.org, yu-chang.lee@...iatek.com, 
 jitao.shi@...iatek.com, conor+dt@...nel.org, 
 linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org, 
 mripard@...nel.org
Subject: Re: [PATCH v1 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph
 support for board path


On Thu, 04 Apr 2024 10:16:34 +0200, AngeloGioacchino Del Regno wrote:
> Document OF graph on MMSYS/VDOSYS: this supports up to three DDP paths
> per HW instance (so potentially up to six displays for multi-vdo SoCs).
> 
> The MMSYS or VDOSYS is always the first component in the DDP pipeline,
> so it only supports an output port with multiple endpoints - where each
> endpoint defines the starting point for one of the (currently three)
> possible hardware paths.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  .../bindings/arm/mediatek/mediatek,mmsys.yaml | 23 +++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 

My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
on your patch (DT_CHECKER_FLAGS is new in v5.13):

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml: properties:port:properties:required: ['endpoint@0'] is not of type 'object', 'boolean'
	from schema $id: http://json-schema.org/draft-07/schema#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml: properties:port:properties: 'required' should not be valid under {'$ref': '#/definitions/json-schema-prop-names'}
	hint: A json-schema keyword was found instead of a DT property name.
	from schema $id: http://devicetree.org/meta-schemas/keywords.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml: properties:port:properties:required: ['endpoint@0'] is not of type 'object', 'boolean'
	from schema $id: http://devicetree.org/meta-schemas/keywords.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml: ignoring, error in schema: properties: port: properties: required
Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.example.dtb: /example-0/syscon@...00000: failed to match any schema with compatible: ['mediatek,mt8173-mmsys', 'syscon']

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20240404081635.91412-3-angelogioacchino.delregno@collabora.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.