linux-kernel - Re: [PATCH v3 2/4] dt-bindings: PCI: mediatek: Convert to YAML schema

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Message-Id: <175889218783.498491.9868084189301535953.robh@kernel.org>
Date: Fri, 26 Sep 2025 08:09:47 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Ryder Lee <ryder.lee@...iatek.com>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kwilczynski@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 Conor Dooley <conor+dt@...nel.org>, Manivannan Sadhasivam <mani@...nel.org>, 
 Bjorn Helgaas <bhelgaas@...gle.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, linux-pci@...r.kernel.org, 
 linux-mediatek@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
 upstream@...oha.com, Jianjun Wang <jianjun.wang@...iatek.com>
Subject: Re: [PATCH v3 2/4] dt-bindings: PCI: mediatek: Convert to YAML
 schema


On Thu, 25 Sep 2025 18:23:16 +0200, Christian Marangi wrote:
> Convert the PCI mediatek Documentation to YAML schema to enable
> validation of the supported GEN1/2 Mediatek PCIe controller.
> 
> While converting, lots of cleanup were done from the .txt with better
> specifying what is supported by the various PCIe controller variant and
> drop of redundant info that are part of the standard PCIe Host Bridge
> schema.
> 
> To reduce schema complexity the .txt is split in 2 YAML, one for
> mt7623/mt2701 and the other for every other compatible.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
> ---
>  .../bindings/pci/mediatek-pcie-mt7623.yaml    | 173 ++++++++
>  .../devicetree/bindings/pci/mediatek-pcie.txt | 289 -------------
>  .../bindings/pci/mediatek-pcie.yaml           | 404 ++++++++++++++++++
>  3 files changed, 577 insertions(+), 289 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie-mt7623.yaml
>  delete mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie.txt
>  create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie.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/pci/mediatek-pcie-mt7623.example.dtb: syscon@...00000 (mediatek,mt7623-hifsys): compatible: 'oneOf' conditional failed, one must be fixed:
	['mediatek,mt7623-hifsys', 'mediatek,mt2701-hifsys', 'syscon'] is too long
	'mediatek,mt7623-hifsys' is not one of ['mediatek,mt2701-hifsys', 'mediatek,mt7622-hifsys']
	from schema $id: http://devicetree.org/schemas/clock/mediatek,mt2701-hifsys.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250925162332.9794-3-ansuelsmth@gmail.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.