On 7/1/26 16:23, Rob Herring (Arm) wrote:

On Wed, 01 Jul 2026 14:20:38 +0200, AngeloGioacchino Del Regno wrote:
Add documentation for the Digital Video Output (DVO) IP found in
the newer generation SoCs MT8196, MT8189 and their variants.

This is effectively a more capable block replacing the DisplayPort
Interface (DPI/DP_INTF) one found in older SoCs.

Signed-off-by: AngeloGioacchino Del Regno 
<[email protected]>
---
  .../display/mediatek/mediatek,mt8196-dvo.yaml | 142 ++++++++++++++++++
  1 file changed, 142 insertions(+)
  create mode 100644 
Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.yaml


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


Those errors on literally all bindings are quite embarassing. Oops.

Already fixed locally, but since this is a huge series, I will allow some time
for reviews before compulsively pushing a v2.

Cheers,
Angelo

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.yaml:
 ignoring, error in schema: properties: compatible
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.yaml:
 properties:compatible: [{'const': 'mediatek,mt8189-dp-dvo'}, {'const': 
'mediatek,mt8189-edp-dvo'}, {'const': 'mediatek,mt8196-edp-dvo'}] 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/display/mediatek/mediatek,mt8196-dvo.yaml:
 properties:compatible: [{'const': 'mediatek,mt8189-dp-dvo'}, {'const': 
'mediatek,mt8189-edp-dvo'}, {'const': 'mediatek,mt8196-edp-dvo'}] is not of 
type 'object', 'boolean'
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.yaml:
 properties:compatible: [{'const': 'mediatek,mt8189-dp-dvo'}, {'const': 
'mediatek,mt8189-edp-dvo'}, {'const': 'mediatek,mt8196-edp-dvo'}] is not of 
type 'object', 'boolean'
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.yaml:
 properties:compatible: [{'const': 'mediatek,mt8189-dp-dvo'}, {'const': 
'mediatek,mt8189-edp-dvo'}, {'const': 'mediatek,mt8196-edp-dvo'}] is not of 
type 'object', 'boolean'
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.yaml:
 properties:compatible: [{'const': 'mediatek,mt8189-dp-dvo'}, {'const': 
'mediatek,mt8189-edp-dvo'}, {'const': 'mediatek,mt8196-edp-dvo'}] is not of 
type 'object', 'boolean'
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.yaml:
 properties:compatible: [{'const': 'mediatek,mt8189-dp-dvo'}, {'const': 
'mediatek,mt8189-edp-dvo'}, {'const': 'mediatek,mt8196-edp-dvo'}] is not of 
type 'object', 'boolean'
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.yaml:
 properties:compatible: [{'const': 'mediatek,mt8189-dp-dvo'}, {'const': 
'mediatek,mt8189-edp-dvo'}, {'const': 'mediatek,mt8196-edp-dvo'}] is not of 
type 'object', 'boolean'
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.yaml:
 properties:compatible: [{'const': 'mediatek,mt8189-dp-dvo'}, {'const': 
'mediatek,mt8189-edp-dvo'}, {'const': 'mediatek,mt8196-edp-dvo'}] is not of 
type 'object', 'boolean'
Traceback (most recent call last):
   File "/usr/local/bin/dt-doc-validate", line 8, in <module>
     sys.exit(main())
              ~~~~^^
   File "/usr/local/lib/python3.13/dist-packages/dtschema/doc_validate.py", 
line 66, in main
     ret |= check_doc(f)
            ~~~~~~~~~^^^
   File "/usr/local/lib/python3.13/dist-packages/dtschema/doc_validate.py", 
line 37, in check_doc
     dtsch.check_schema_refs()
     ~~~~~~~~~~~~~~~~~~~~~~~^^
   File "/usr/local/lib/python3.13/dist-packages/dtschema/schema.py", line 242, 
in check_schema_refs
     self._check_schema_refs(resolver, self)
     ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
   File "/usr/local/lib/python3.13/dist-packages/dtschema/schema.py", line 212, 
in _check_schema_refs
     self._check_schema_refs(resolver, v, parent=k, is_common=is_common,
     ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                             has_constraint=has_constraint)
                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   File "/usr/local/lib/python3.13/dist-packages/dtschema/schema.py", line 212, 
in _check_schema_refs
     self._check_schema_refs(resolver, v, parent=k, is_common=is_common,
     ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                             has_constraint=has_constraint)
                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   File "/usr/local/lib/python3.13/dist-packages/dtschema/schema.py", line 203, 
in _check_schema_refs
     ref_sch = resolver.lookup(schema['$ref']).contents
               ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
   File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 
682, in lookup
     retrieved = self._registry.get_or_retrieve(uri)
   File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 
422, in get_or_retrieve
     registry = self.crawl()
   File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 
500, in crawl
     id = resource.id()
   File "/usr/local/lib/python3.13/dist-packages/referencing/_core.py", line 
231, in id
     id = self._specification.id_of(self.contents)
   File "/usr/local/lib/python3.13/dist-packages/referencing/jsonschema.py", 
line 50, in _dollar_id
     return contents.get("$id")
            ^^^^^^^^^^^^
AttributeError: 'list' object has no attribute 'get'
Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-dvo.example.dtb:
 /example-0/dvo@324c0000: failed to match any schema with compatible: 
['mediatek,mt8196-edp-dvo']

doc reference errors (make refcheckdocs):

See 
https://patchwork.kernel.org/project/devicetree/patch/[email protected]

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.


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