linux-kernel - Re: [PATCH V4 3/6] dt-bindings: PCI: qcom: Add IPQ9574

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Message-ID: <d47d3077-31e1-329b-5e19-c8d2ec3b5f30@quicinc.com>
Date:   Sat, 3 Jun 2023 13:14:19 +0530
From:   Devi Priya <quic_devipriy@...cinc.com>
To:     Manivannan Sadhasivam <mani@...nel.org>
CC:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <lpieralisi@...nel.org>,
        <kw@...ux.com>, <robh@...nel.org>, <bhelgaas@...gle.com>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <mturquette@...libre.com>, <sboyd@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-pci@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <quic_srichara@...cinc.com>,
        <quic_sjaganat@...cinc.com>, <quic_kathirav@...cinc.com>,
        <quic_arajkuma@...cinc.com>, <quic_anusha@...cinc.com>,
        <quic_ipkumar@...cinc.com>
Subject: Re: [PATCH V4 3/6] dt-bindings: PCI: qcom: Add IPQ9574



On 5/28/2023 7:47 PM, Manivannan Sadhasivam wrote:
> On Fri, May 19, 2023 at 02:32:16PM +0530, Devi Priya wrote:
>> Add bindings for PCIe hosts on IPQ9574 platform and allow
>> msi-parent property.
>>
> 
> Why can't you use existing "msi-map" property instead of "msi-parent"?
> 
> - Mani
Sure, will update.

Thanks,
Devi Priya
> 
>> Signed-off-by: Devi Priya <quic_devipriy@...cinc.com>
>> ---
>>   Changes in V4:
>> 	- Dropped msi-parent from anyOf: as msi-parent and msi-map
>> 	  cannot coexist and added it specific to ipq9574
>>
>>   .../devicetree/bindings/pci/qcom,pcie.yaml    | 48 +++++++++++++++++++
>>   1 file changed, 48 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>> index 81971be4e554..af5c7a390df1 100644
>> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>> @@ -26,6 +26,7 @@ properties:
>>             - qcom,pcie-ipq8064-v2
>>             - qcom,pcie-ipq8074
>>             - qcom,pcie-ipq8074-gen3
>> +          - qcom,pcie-ipq9574
>>             - qcom,pcie-msm8996
>>             - qcom,pcie-qcs404
>>             - qcom,pcie-sa8540p
>> @@ -113,6 +114,8 @@ properties:
>>     power-domains:
>>       maxItems: 1
>>   
>> +  msi-parent: true
>> +
>>     perst-gpios:
>>       description: GPIO controlled connection to PERST# signal
>>       maxItems: 1
>> @@ -171,6 +174,7 @@ allOf:
>>               enum:
>>                 - qcom,pcie-ipq6018
>>                 - qcom,pcie-ipq8074-gen3
>> +              - qcom,pcie-ipq9574
>>       then:
>>         properties:
>>           reg:
>> @@ -382,6 +386,39 @@ allOf:
>>               - const: ahb # AHB Reset
>>               - const: axi_m_sticky # AXI Master Sticky reset
>>   
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - qcom,pcie-ipq9574
>> +    then:
>> +      properties:
>> +        clocks:
>> +          minItems: 6
>> +          maxItems: 6
>> +        clock-names:
>> +          items:
>> +            - const: ahb  # AHB clock
>> +            - const: aux  # Auxiliary clock
>> +            - const: axi_m # AXI Master clock
>> +            - const: axi_s # AXI Slave clock
>> +            - const: axi_bridge # AXI bridge clock
>> +            - const: rchng
>> +        resets:
>> +          minItems: 8
>> +          maxItems: 8
>> +        reset-names:
>> +          items:
>> +            - const: pipe # PIPE reset
>> +            - const: sticky # Core Sticky reset
>> +            - const: axi_s_sticky # AXI Slave Sticky reset
>> +            - const: axi_s # AXI Slave reset
>> +            - const: axi_m_sticky # AXI Master Sticky reset
>> +            - const: axi_m # AXI Master reset
>> +            - const: aux # AUX Reset
>> +            - const: ahb # AHB Reset
>> +
>>     - if:
>>         properties:
>>           compatible:
>> @@ -767,6 +804,7 @@ allOf:
>>                   - qcom,pcie-ipq8064v2
>>                   - qcom,pcie-ipq8074
>>                   - qcom,pcie-ipq8074-gen3
>> +                - qcom,pcie-ipq9574
>>                   - qcom,pcie-qcs404
>>       then:
>>         required:
>> @@ -862,6 +900,16 @@ allOf:
>>             items:
>>               - const: msi
>>   
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - qcom,pcie-ipq9574
>> +    then:
>> +      required:
>> +        - msi-parent
>> +
>>   unevaluatedProperties: false
>>   
>>   examples:
>> -- 
>> 2.17.1
>>
>