Re: [PATCH 04/14] media: dt-bindings: media: rockchip,px30-vip: allow for different variants

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Hi Conor,

On 2/20/24 19:58, Conor Dooley wrote:
> Hey,
> 
> On Tue, Feb 20, 2024 at 10:39:14AM +0100, Michael Riesch wrote:
>> Move the documentation of clocks and resets to a allOf: structure in order
>> to allow for different variants of the IP block.
>>
>> Signed-off-by: Michael Riesch <michael.riesch@xxxxxxxxxxxxxx>
>> ---
>>  .../bindings/media/rockchip,px30-vip.yaml          | 58 ++++++++++++++--------
>>  1 file changed, 37 insertions(+), 21 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml b/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
>> index 675a1ea47210..7168f166798c 100644
>> --- a/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
>> +++ b/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
>> @@ -24,32 +24,16 @@ properties:
>>    interrupts:
>>      maxItems: 1
>>  
>> -  clocks:
>> -    items:
>> -      - description: ACLK
>> -      - description: HCLK
>> -      - description: PCLK
>> -
>> -  clock-names:
>> -    items:
>> -      - const: aclk
>> -      - const: hclk
>> -      - const: pclk
>> +  clocks: true
>> +
>> +  clock-names: true
> 
> This is, unfortunately, not how we like multiple soc support to be
> handled. Instead, the widest constraints are added at the top level
> and constrained by the allOf. If none of the names etc are shared, at
> least the widest constraints for minItems and maxItems should be able to
> be here.

Just to make sure I got it right:

clocks:
  minItems: 3
  maxItems: 4
  items:
    - const: aclk
    - const: hclk

...

allOf:
...
  - if:
      properties:
        compatible:
          contains:
            const: rockchip,rk3568-vicap
    then:
      properties:
        clocks:
          - const: aclk
          - const: hclk
          - const: dclk
          - const: iclk

Is this the desired way?

> That said, this patch should be squashed with the patch that actually
> adds the other device to the binding.

That can be arranged.

Best regards,
Michael

> 
> Cheers,
> Conor.
> 
>>  
>>    iommus:
>>      maxItems: 1
>>  
>> -  resets:
>> -    items:
>> -      - description: AXI
>> -      - description: AHB
>> -      - description: PCLK IN
>> +  resets: true
>>  
>> -  reset-names:
>> -    items:
>> -      - const: axi
>> -      - const: ahb
>> -      - const: pclkin
>> +  reset-names: true
>>  
>>    power-domains:
>>      maxItems: 1
>> @@ -85,6 +69,38 @@ required:
>>    - clocks
>>    - ports
>>  
>> +allOf:
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: rockchip,px30-vip
>> +    then:
>> +      properties:
>> +        clocks:
>> +          items:
>> +            - description: ACLK
>> +            - description: HCLK
>> +            - description: PCLK
>> +
>> +        clock-names:
>> +          items:
>> +            - const: aclk
>> +            - const: hclk
>> +            - const: pclk
>> +
>> +        resets:
>> +          items:
>> +            - description: AXI
>> +            - description: AHB
>> +            - description: PCLK IN
>> +
>> +        reset-names:
>> +          items:
>> +            - const: axi
>> +            - const: ahb
>> +            - const: pclkin
>> +
>>  additionalProperties: false
>>  
>>  examples:
>>
>> -- 
>> 2.30.2
>>




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