Re: [PATCH v5 01/10] dt-bindings: soc: fsl: cpm_qe: Add TSA controller

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Hi Krzysztof,

On Fri, 17 Feb 2023 10:14:48 +0100
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:

> On 16/02/2023 14:42, Herve Codina wrote:
> > Add support for the time slot assigner (TSA)
> > available in some PowerQUICC SoC such as MPC885
> > or MPC866.
> > 
> > Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
> > ---
> >  .../bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml | 234 ++++++++++++++++++
> >  include/dt-bindings/soc/fsl,tsa.h             |  13 +
> >  2 files changed, 247 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml
> >  create mode 100644 include/dt-bindings/soc/fsl,tsa.h

[...]
> > +
> > +patternProperties:
> > +  '^tdm@[0-1]$':
> > +    description:
> > +      The TDM managed by this controller
> > +    type: object
> > +
> > +    additionalProperties: false
> > +
> > +    properties:
> > +      reg:
> > +        minimum: 0
> > +        maximum: 1
> > +        description:
> > +          The TDM number for this TDM, 0 for TDMa and 1 for TDMb
[...]
> > +
> > +      fsl,rx-frame-sync-delay-bits:
> > +        enum: [0, 1, 2, 3]  
> 
> maxItems: 1

The property is an enum
Why this maxItems value ?

If I add the maxItems value, I've got some dt_binding_check errors:
  /xxxx/bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml:
  patternProperties:^tdm@[0-1]$:properties:fsl,rx-frame-sync-delay-bits:
  'enum' should not be valid under {'enum': ['const', 'enum', 'exclusiveMaximum', 'exclusiveMinimum', 'minimum', 'maximum', 'multipleOf', 'pattern']}
	hint: Scalar and array keywords cannot be mixed
	from schema $id: http://devicetree.org/meta-schemas/keywords.yaml#

> 
> > +        default: 0
> > +        description: |
> > +          Receive frame sync delay in number of bits.
> > +          Indicates the delay between the Rx sync and the first bit of the Rx
> > +          frame. 0 for no bit delay. 1, 2 or 3 for 1, 2 or 3 bits delay.
> > +
> > +      fsl,tx-frame-sync-delay-bits:
> > +        enum: [0, 1, 2, 3]  
> 
> maxItems: 1

Same question here.


Thanks for the review,

Hervé
-- 
Hervé Codina, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com




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