[PATCH v5 01/17] spi: dt-bindings: add spi-max-post-config-frequency-hz property

Krzysztof Kozlowski krzk at kernel.org
Mon Jul 20 00:40:49 PDT 2026


On 20/07/2026 09:38, Santhosh Kumar K wrote:
>>> diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
>>> index 880a9f624566..12211f8c9f7d 100644
>>> --- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
>>> +++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
>>> @@ -45,6 +45,11 @@ properties:
>>>       description:
>>>         Maximum SPI clocking speed of the device in Hz.
>>>   
>>> +  spi-max-post-config-frequency-hz:
>>> +    description:
>>> +      Maximum SPI clock frequency in Hz achievable after controller-side
>>> +      configuration.
>>
>> How did you implement my feedback?
> 
> Three points from your feedback:
> 
> 1. -hz suffix: added
> 
> 2. Array property: I still lean towards keeping this as a scalar for
> now, as we don't have a concrete use case for multiple values today, and
> supporting two frequencies should be sufficient for the foreseeable
> future. I had responded to this in the v4 discussion as well, you may
> have missed that response.
> 
> 3. maxItems: Since the property remains a scalar, I have not added maxItems.

So how did you make this property scalar?

Best regards,
Krzysztof



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