Re: [PATCH v3 02/11] dt-bindings: display: tegra: Document memory regions

[Thierry Reding <thierry.reding@kernel.org>]

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On Wed, Jul 01, 2026 at 02:53:11PM -0500, Rob Herring (Arm) wrote:
> 
> On Wed, 01 Jul 2026 18:08:13 +0200, Thierry Reding wrote:
> > From: Thierry Reding <treding@nvidia.com>
> > 
> > Add the memory-region and memory-region-names properties to the bindings
> > for the display controllers and the host1x engine found on various Tegra
> > generations. These memory regions are used to access firmware-provided
> > framebuffer memory as well as the video protection region.
> > 
> > Signed-off-by: Thierry Reding <treding@nvidia.com>
> > ---
> > Changes in v3:
> > - document properties for VIC
> > ---
> >  .../devicetree/bindings/display/tegra/nvidia,tegra124-vic.yaml |  8 ++++++++
> >  .../devicetree/bindings/display/tegra/nvidia,tegra186-dc.yaml  | 10 ++++++++++
> >  .../devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml   | 10 +++++++++-
> >  .../bindings/display/tegra/nvidia,tegra20-host1x.yaml          |  7 +++++++
> >  4 files changed, 34 insertions(+), 1 deletion(-)
> > 
> 
> 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/display/tegra/nvidia,tegra20-dc.yaml: properties:memory-region-names: 'anyOf' conditional failed, one must be fixed:
> 	'maxitems' is not one of ['$ref', 'additionalItems', 'additionalProperties', 'allOf', 'anyOf', 'const', 'contains', 'default', 'dependencies', 'dependentRequired', 'dependentSchemas', 'deprecated', 'description', 'else', 'enum', 'exclusiveMaximum', 'exclusiveMinimum', 'items', 'if', 'minItems', 'minimum', 'maxItems', 'maximum', 'multipleOf', 'not', 'oneOf', 'pattern', 'patternProperties', 'properties', 'required', 'then', 'typeSize', 'unevaluatedProperties', 'uniqueItems']
> 	'type' was expected
> 	from schema $id: http://devicetree.org/meta-schemas/keywords.yaml
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml: properties:memory-region-names:items: {'enum': ['framebuffer', 'protected']} is not of type 'array'
> 	from schema $id: http://devicetree.org/meta-schemas/string-array.yaml
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml: properties:memory-region-names: Additional properties are not allowed ('maxitems' was unexpected)
> 	from schema $id: http://devicetree.org/meta-schemas/string-array.yaml
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml: properties:memory-region-names:items: {'enum': ['framebuffer', 'protected']} is not of type 'array'
> 	from schema $id: http://devicetree.org/meta-schemas/string-array.yaml
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml: properties:memory-region-names: Additional properties are not allowed ('maxitems' was unexpected)
> 	from schema $id: http://devicetree.org/meta-schemas/string-array.yaml

Ugh... looks like these are all because I mistyped maxItems as maxitems.
Oh well. Sorry for the noise.

Thierry

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