Re: [PATCH 08/11] dt-bindings: usb: ci-hdrc-usb2: Fix handling pinctrl properties

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On 29.06.2023 17:23, Rob Herring wrote:
> On Tue, Jun 27, 2023 at 06:24:24PM +0200, Konrad Dybcio wrote:
>> Untangle the bit messy oneOf trees and add the missing pinctrl-2 mention
>> to handle the different pinctrl combinations.
>>
>> Fixes: 4c8375d35f72 ("dt-bindings: usb: ci-hdrc-usb2: convert to DT schema format")
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
>> ---
>>  .../devicetree/bindings/usb/ci-hdrc-usb2.yaml      | 27 ++++++----------------
>>  1 file changed, 7 insertions(+), 20 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
>> index 782402800d4a..24431a7adf3e 100644
>> --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
>> +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
>> @@ -199,17 +199,6 @@ properties:
>>        In case of HSIC-mode, "idle" and "active" pin modes are mandatory.
>>        In this case, the "idle" state needs to pull down the data and
>>        strobe pin and the "active" state needs to pull up the strobe pin.
>> -    oneOf:
>> -      - items:
>> -          - const: idle
>> -          - const: active
> 
> These are no longer valid values? The description still mentions them.
I believe allOf: now covers them all?

> 
>> -      - items:
>> -          - const: default
>> -          - enum:
>> -              - host
>> -              - device
>> -      - items:
>> -          - const: default
>>  
>>    pinctrl-0:
>>      maxItems: 1
>> @@ -357,17 +346,15 @@ allOf:
>>              - const: active
>>      else:
>>        properties:
>> +        pinctrl-2:
> 
> This should be implicitly allowed. Is it not?
No, it errored out for me.

> 
> I'm reallly at a loss as to what problem this patch solves.
Specifying all 3 pin states is impossible with the current state of
this binding, even though it's a supported configuration (check
qcom/apq8039-t2.dtb). I should have been more clear in the commit
message.

Konrad

> 
>> +          maxItems: 1
>> +
>>          pinctrl-names:
>>            minItems: 1
>> -          maxItems: 2
>> -          oneOf:
>> -            - items:
>> -                - const: default
>> -                - enum:
>> -                    - host
>> -                    - device
>> -            - items:
>> -                - const: default
>> +          items:
>> +            - const: default
>> +            - const: host
>> +            - const: device
>>    - if:
>>        properties:
>>          compatible:
>>
>> -- 
>> 2.41.0
>>



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