linux-kernel - Re: [PATCH v2 1/4] dt-bindings: remoteproc: Add VCP support for mt8196

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Message-Id: <175788697866.1955455.17302760216827607004.robh@kernel.org>
Date: Sun, 14 Sep 2025 16:57:39 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Xiangzhi Tang <xiangzhi.tang@...iatek.com>
Cc: Matthias Brugger <matthias.bgg@...il.com>, devicetree@...r.kernel.org, 
 linux-remoteproc@...r.kernel.org, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Jjian Zhou <Jjian.Zhou@...iatek.com>, 
 Xiangzhi Tang <Xiangzhi.Tang@...iatek.com>, 
 linux-mediatek@...ts.infradead.org, Conor Dooley <conor+dt@...nel.org>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Hailong Fan <Hailong.Fan@...iatek.com>, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, 
 Bjorn Andersson <andersson@...nel.org>, 
 Mathieu Poirier <mathieu.poirier@...aro.org>
Subject: Re: [PATCH v2 1/4] dt-bindings: remoteproc: Add VCP support for
 mt8196


On Sun, 14 Sep 2025 20:29:24 +0800, Xiangzhi Tang wrote:
> Add the new binding document for MediaTek Video Companion
> Processor(VCP) on MediaTek mt8196.
> 
> Signed-off-by: Xiangzhi Tang <xiangzhi.tang@...iatek.com>
> ---
>  .../remoteproc/mediatek,mt8196-vcp.yaml       | 165 ++++++++++++++++++
>  1 file changed, 165 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/remoteproc/mediatek,mt8196-vcp.yaml
> 

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/remoteproc/mediatek,mt8196-vcp.yaml: patternProperties:^vcp@[a-f0-9]+$:properties:mtk,vcp-core-twohart: 'anyOf' conditional failed, one must be fixed:
	'description' is a dependency of '$ref'
	'/schemas/types.yaml#/definitions/uint32' does not match '^#/(definitions|\\$defs)/'
		hint: A vendor property can have a $ref to a a $defs schema
	hint: Vendor specific properties must have a type and description unless they have a defined, common suffix.
	from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#
Documentation/devicetree/bindings/remoteproc/mediatek,mt8196-vcp.example.dts:26:18: fatal error: dt-bindings/power/mt8196-power.h: No such file or directory
   26 |         #include <dt-bindings/power/mt8196-power.h>
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [scripts/Makefile.dtbs:132: Documentation/devicetree/bindings/remoteproc/mediatek,mt8196-vcp.example.dtb] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/builds/robherring/dt-review-ci/linux/Makefile:1525: dt_binding_check] Error 2
make: *** [Makefile:248: __sub-make] Error 2

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250914122943.10412-2-xiangzhi.tang@mediatek.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.