linux-kernel - Re: [PATCH v2 3/7] dt-bindings: PCI: qcom: Add IPQ9574 PCIe controller

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Message-ID: <bcb03c7d-f566-11cc-21e2-47e5c5a0776a@gmail.com>
Date: Thu, 11 Apr 2024 13:00:41 -0500
From: mr.nuke.me@...il.com
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kw@...ux.com>,
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/7] dt-bindings: PCI: qcom: Add IPQ9574 PCIe
 controller



On 4/9/24 15:08, Krzysztof Kozlowski wrote:
> On 09/04/2024 21:08, Alexandru Gagniuc wrote:
>> IPQ9574 has PCIe controllers which are almost identical to IPQ6018.
>> The only difference is that the "iface" clock is not required.
>> Document this difference along with the compatible string.
>>
>> Signed-off-by: Alexandru Gagniuc <mr.nuke.me@...il.com>
>> ---
>>   .../devicetree/bindings/pci/qcom,pcie.yaml    | 34 +++++++++++++++++++
>>   1 file changed, 34 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
>> index cf9a6910b542..1915bea580d3 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-sdm845
>> @@ -397,6 +398,37 @@ allOf:
>>               - const: axi_m_sticky # AXI Master Sticky reset
>>               - const: axi_s_sticky # AXI Slave Sticky reset
>>   
> 
> Where do you constrain the reg?

I didn't realize that was also required -- the make checks should have 
picked this up too? I might be invoking the tests incorrectly.

I should add the ipq9574 in the same list as ipq8074-gen3 and ipq6018, 
correct?

Alex