Re: [PATCH v3 2/4] ASoC: dt-bindings: fsl,imx-asrc: update max interrupt numbers

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On Fri, Mar 01, 2024 at 10:39:43AM -0500, Frank Li wrote:
> On Fri, Mar 01, 2024 at 07:30:45AM +0100, Krzysztof Kozlowski wrote:
> > On 01/03/2024 05:03, Frank Li wrote:
> > > On Thu, Feb 29, 2024 at 10:44:42AM +0100, Krzysztof Kozlowski wrote:
> > >> On 28/02/2024 20:14, Frank Li wrote:
> > >>> fsl,imx8qxp-spdif and fsl,imx8qm-spdif have 2 interrupts. Other platforms
> > >>> have 1 interrupt.
> > >>>
> > >>> Increase max interrupt number to 2 and add restriction for platforms except
> > >>> i.MX8QXP and i.MX8QM.
> > >>>
> > >>> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> > >>> ---
> > >>>  .../devicetree/bindings/sound/fsl,spdif.yaml         | 20 +++++++++++++++++++-
> > >>>  1 file changed, 19 insertions(+), 1 deletion(-)
> > >>>
> > >>> diff --git a/Documentation/devicetree/bindings/sound/fsl,spdif.yaml b/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
> > >>> index 82430f1d5e5a2..785f7997eea82 100644
> > >>> --- a/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
> > >>> +++ b/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
> > >>> @@ -31,7 +31,8 @@ properties:
> > >>>      maxItems: 1
> > >>>  
> > >>>    interrupts:
> > >>> -    maxItems: 1
> > >>> +    minItems: 1
> > >>> +    maxItems: 2
> > >>>  
> > >>>    dmas:
> > >>>      items:
> > >>> @@ -100,6 +101,23 @@ required:
> > >>>  
> > >>>  additionalProperties: false
> > >>>  
> > >>> +allOf:
> > >>> +  - if:
> > >>> +      properties:
> > >>> +        compatible:
> > >>> +          enum:
> > >>> +            - fsl,imx35-spdif
> > >>> +            - fsl,vf610-spdif
> > >>> +            - fsl,imx6sx-spdif
> > >>> +            - fsl,imx8mq-spdif
> > >>> +            - fsl,imx8mm-spdif
> > >>> +            - fsl,imx8mn-spdif
> > >>> +            - fsl,imx8ulp-spdif
> > >>> +    then:
> > >>> +      properties:
> > >>> +        interrupts:
> > >>> +          maxItems: 1
> > >>
> > >> else:
> > >> minItems: 2
> > > 
> > > I think needn't 'else' here. Top have set to maxItems is 2. 
> > 
> > So explain why one item is correct here.
> 
> Top interrupt: maxItems: 2. That's means all compatible string (include
> imx8qxp, and imx8qm) required interrrupt number less than 2.

You said: "fsl,imx8qxp-spdif and fsl,imx8qm-spdif have 2 interrupts"

That means they have *exactly* 2 interrupts, not <= 2 interrupts. The 
top level says you have 1 or 2. Somewhere you have to say it's always 2 
interrupts which is what Krzysztof provided.

Or you need to explain why the 2nd interrupt is optional for 
fsl,imx8qxp-spdif and fsl,imx8qm-spdif.

Actually, I'd reverse the if/then to have shorter list:

if:
  properties:
    compatible:
      enum:
        - fsl,imx8qm-spdif
        - fsl,imx8qxp-spdif
then:
  properties:
    interrupts:
      minItems: 2
else:
  properties:
    interrupts:
      maxItems: 1


Rob




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