Re: [PATCH v2 2/2] dt-bindings: dma: fsl-edma: allow 'power-domains' property

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On 02/03/2024 16:42, Frank Li wrote:
> On Sat, Mar 02, 2024 at 02:59:39PM +0100, Krzysztof Kozlowski wrote:
>> On 01/03/2024 22:45, Frank Li wrote:
>>> Allow 'power-domains' property because i.MX8DXL i.MX8QM and i.MX8QXP need
>>> it.
>>>
>>> Fixed below DTB_CHECK warning:
>>>   dma-controller@599f0000: Unevaluated properties are not allowed ('power-domains' was unexpected)
>>>
>>> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
>>> ---
>>>
>>> Notes:
>>>     Change from v1 to v2
>>>     - using maxitem: 64. Each channel have one power domain. Max 64 dmachannel.
>>>     - add power-domains to 'required' when compatible string is fsl,imx8qm-adma
>>>     or fsl,imx8qm-edma
>>>
>>>  .../devicetree/bindings/dma/fsl,edma.yaml         | 15 +++++++++++++++
>>>  1 file changed, 15 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
>>> index cf0aa8e6b9ec3..76c1716b8b95c 100644
>>> --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml
>>> +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
>>> @@ -59,6 +59,10 @@ properties:
>>>      minItems: 1
>>>      maxItems: 2
>>>  
>>> +  power-domains:
>>> +    minItems: 1
>>> +    maxItems: 64
>>
>> Hm, this is odd. Blocks do not belong to almost infinite number of power
>> domains.
> 
> Sorry, what's your means? 'power-domains' belong to 'properties'. 
> 'maxItems' belong to 'power-domains'.It is similar with 'clocks'. what's
> wrong? 

That one device belong to 64 power domains. That's just random code...

Best regards,
Krzysztof





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