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Message-ID: <fa1f011a-9f18-5799-dbf3-ad5b1893f57b@quicinc.com>
Date:   Tue, 2 May 2023 11:08:39 +0530
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Subject: Re: [PATCH V3 3/6] dt-bindings: PCI: qcom: Add IPQ9574
To:     Rob Herring <robh@kernel.org>
CC:     <agross@kernel.org>, <andersson@kernel.org>,
        <konrad.dybcio@linaro.org>, <lpieralisi@kernel.org>,
        <kw@linux.com>, <bhelgaas@google.com>,
        <krzysztof.kozlowski+dt@linaro.org>, <mturquette@baylibre.com>,
        <sboyd@kernel.org>, <mani@kernel.org>,
        <linux-arm-msm@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-pci@vger.kernel.org>,
        <linux-clk@vger.kernel.org>, <quic_srichara@quicinc.com>,
        <quic_sjaganat@quicinc.com>, <quic_kathirav@quicinc.com>,
        <quic_arajkuma@quicinc.com>, <quic_anusha@quicinc.com>,
        <quic_ipkumar@quicinc.com>
References: <20230421124938.21974-1-quic_devipriy@quicinc.com>
 <20230421124938.21974-4-quic_devipriy@quicinc.com>
 <20230425173330.GA1985131-robh@kernel.org>
Content-Language: en-US
From:   Devi Priya <quic_devipriy@quicinc.com>
In-Reply-To: <20230425173330.GA1985131-robh@kernel.org>
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On 4/25/2023 11:03 PM, Rob Herring wrote:
> On Fri, Apr 21, 2023 at 06:19:35PM +0530, Devi Priya wrote:
>> Add bindings for PCIe hosts on IPQ9574 platform and allow
>> msi-parent property.
> 
> Go see the long discussion about why msi-parent with msi-map is wrong.
> If something changed, explain that here.
Sure, okay

Thanks,
Devi Priya
> 
>>
>> Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
>> ---
>>   Changes in V3:
>> 	- Rebased on linux-next/master
>>
>>   .../devicetree/bindings/pci/qcom,pcie.yaml    | 40 +++++++++++++++++++
>>   1 file changed, 40 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>> index 81971be4e554..a92cecc5fe6f 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
>> @@ -138,6 +141,8 @@ anyOf:
>>     - required:
>>         - msi-map
>>         - msi-map-mask
>> +  - required:
>> +      - msi-parent
>>   
>>   allOf:
>>     - $ref: /schemas/pci/pci-bus.yaml#
>> @@ -171,6 +176,7 @@ allOf:
>>               enum:
>>                 - qcom,pcie-ipq6018
>>                 - qcom,pcie-ipq8074-gen3
>> +              - qcom,pcie-ipq9574
>>       then:
>>         properties:
>>           reg:
>> @@ -382,6 +388,39 @@ 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 +806,7 @@ allOf:
>>                   - qcom,pcie-ipq8064v2
>>                   - qcom,pcie-ipq8074
>>                   - qcom,pcie-ipq8074-gen3
>> +                - qcom,pcie-ipq9574
>>                   - qcom,pcie-qcs404
>>       then:
>>         required:
>> -- 
>> 2.17.1
>>