Re: [PATCH v2 1/2] dt-bindings: cdns,usb3: Add clock and reset

From: Roger Quadros
Date: Thu May 11 2023 - 08:16:49 EST




On 11/05/2023 12:26, Krzysztof Kozlowski wrote:
> On 10/05/2023 15:28, Minda Chen wrote:
>> To support generic clock and reset init in Cadence USBSS
>> controller, add clock and reset dts configuration.
>>
>> Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
>> ---
>> .../devicetree/bindings/usb/cdns,usb3.yaml | 14 ++++++++++++++
>> 1 file changed, 14 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
>> index cae46c4982ad..623c6b34dee3 100644
>> --- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
>> +++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
>> @@ -42,6 +42,18 @@ properties:
>> - const: otg
>> - const: wakeup
>>
>> + clocks:
>> + minItems: 1
>> + maxItems: 8
>> + description:
>> + USB controller clocks.
>
> You need to list the items. And why is it variable? Your clock choice in
> the example is poor, I doubt it is real.
>
>> +
>> + resets:
>> + minItems: 1
>> + maxItems: 8
>> + description:
>> + USB controller generic resets.
>
> Here as well.
>
> You had one clock last time, thus the review was - drop the names. Now
> you changed it to 8 clocks... I don't understand.
>

Different platforms may have different number of clocks/resets or none.
So I don't think minItems/maxItems should be specified.

--
cheers,
-roger