Re: [PATCH v3 2/4] dt-bindings: PCI: qcom: correct clocks for SC8180x

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On 09/12/2023 18:38, Konrad Dybcio wrote:
> On 8.12.2023 11:51, Krzysztof Kozlowski wrote:
>> PCI node in Qualcomm SC8180x DTS has 8 clocks:
>>
>>   sc8180x-primus.dtb: pci@1c00000: 'oneOf' conditional failed, one must be fixed:
>>     ['pipe', 'aux', 'cfg', 'bus_master', 'bus_slave', 'slave_q2a', 'ref', 'tbu'] is too short
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>>
>> ---
> [...]
> 
>> +          items:
>> +            - const: pipe # PIPE clock
>> +            - const: aux # Auxiliary clock
>> +            - const: cfg # Configuration clock
>> +            - const: bus_master # Master AXI clock
>> +            - const: bus_slave # Slave AXI clock
>> +            - const: slave_q2a # Slave Q2A clock
>> +            - const: ref # REFERENCE clock
>> +            - const: tbu # PCIe TBU clock
> Are we sure this one is actually necessary? Or is it just for the
> SMMU debug peripheral? [1] Would be nice to test if it works
> normally (unused clk shutdown / forced shutdown of this one might
> be necessary in case it's on from XBL) and during a PCIe-related
> SMMU fault.

I did not validate whether the list is actually correct with datasheets,
but aligned it to DTS. I don't have the hardware to test.

Best regards,
Krzysztof





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