linux-kernel - Re: [PATCH 2/5] dt-bindings: serial: geni-qcom: Allow no qup-core icc path

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Date:   Mon, 3 Jul 2023 16:41:15 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andi Shyti <andi.shyti@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-i2c@...r.kernel.org
Subject: Re: [PATCH 2/5] dt-bindings: serial: geni-qcom: Allow no qup-core icc
 path

On 03/07/2023 16:38, Konrad Dybcio wrote:
> On 3.07.2023 16:01, Krzysztof Kozlowski wrote:
>> On 03/07/2023 15:31, Konrad Dybcio wrote:
>>> Some SoCs (like SM8150 and SM8250) don't seem to provide a qup-core path.
>>> Allow such case.
>>>
>>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>>> ---
>>>  .../bindings/serial/qcom,serial-geni-qcom.yaml     | 26 +++++++++++++++-------
>>>  1 file changed, 18 insertions(+), 8 deletions(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml b/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml
>>> index dd33794b3534..a0acba57bc06 100644
>>> --- a/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml
>>> +++ b/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml
>>> @@ -25,14 +25,6 @@ properties:
>>>    clock-names:
>>>      const: se
>>>  
>>> -  interconnects:
>>> -    maxItems: 2
>>> -
>>> -  interconnect-names:
>>> -    items:
>>> -      - const: qup-core
>>> -      - const: qup-config
>>
>> Instead please keep the definition of the fields in top-level properties
>> with the widest constraints, e.g.
>> interconnects:
>>   minItems: 1
>>   maxItems: 2
>>
>> interconnect-names:
>>   minItems: 1
>>   items:
>>    - const: qup-core
>>    - const: qup-config
> Sadly the issue here is that the qup-config path exists, but qup-core
> doesn't.

Ah, right, then:
interconnect-names:
  oneOf:
    - items:
      ....
    - items:
      ...

Best regards,
Krzysztof