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SubjectRe: [PATCH v1 1/5] dt-bindings: PCI: qcom-ep: Add support for SA8775P SoC
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On 10/6/2023 4:24 PM, Shazad Hussain wrote:
>
>
> On 9/22/2023 12:08 AM, Rob Herring wrote:
>> On Wed, Sep 20, 2023 at 07:25:08PM +0530, Mrinmay Sarkar wrote:
>>> Add devicetree bindings support for SA8775P SoC.
>>> Define reg and interrupt per platform.
>>>
>>> Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com>
>>> ---
>>>   .../devicetree/bindings/pci/qcom,pcie-ep.yaml      | 130
>>> +++++++++++++++++----
>>>   1 file changed, 108 insertions(+), 22 deletions(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
>>> b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
>>> index a223ce0..e860e8f 100644
>>> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
>>> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
>>> @@ -13,6 +13,7 @@ properties:
>>>     compatible:
>>>       oneOf:
>>>         - enum:
>>> +          - qcom,sa8775p-pcie-ep
>>>             - qcom,sdx55-pcie-ep
>>>             - qcom,sm8450-pcie-ep
>>>         - items:
>>> @@ -20,29 +21,19 @@ properties:
>>>             - const: qcom,sdx55-pcie-ep
>>>       reg:
>>> -    items:
>>> -      - description: Qualcomm-specific PARF configuration registers
>>> -      - description: DesignWare PCIe registers
>>> -      - description: External local bus interface registers
>>> -      - description: Address Translation Unit (ATU) registers
>>> -      - description: Memory region used to map remote RC address space
>>> -      - description: BAR memory region
>>> +    minItems: 6
>>> +    maxItems: 7
>>>       reg-names:
>>> -    items:
>>> -      - const: parf
>>> -      - const: dbi
>>> -      - const: elbi
>>> -      - const: atu
>>> -      - const: addr_space
>>> -      - const: mmio
>>> +    minItems: 6
>>> +    maxItems: 7
>>
>> Don't move these into if/then schemas. Then we are duplicating the
>> names, and there is no reason to keep them aligned for new compatibles.
>>
>> Rob
>
> Hi Rob,
> As we have one extra reg property (dma) required for sa8775p-pcie-ep,
> isn't it expected to be moved in if/then as per number of regs
> required. Anyways we would have duplication of some properties for new
> compatibles where the member numbers differs for a property.
>
> Are you suggesting to add the extra reg property (dma) in the existing
> reg and reg-names list, and add minItems/maxItems for all compatibles
> present in this file ?
>
> -Shazad

Here we have defined reg and interrupt per platform as clocks is defined.

-Mrinmay

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