linux-kernel - Re: [PATCH v2 0/2] PCI: qcom: Add QCS9100 PCIe compatible

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Message-ID: <1fafb584-fc49-45be-a8a4-4027739eba32@quicinc.com>
Date: Wed, 10 Jul 2024 09:47:47 +0800
From: "Aiqun Yu (Maria)" <quic_aiquny@...cinc.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Tengfei Fan
	<quic_tengfan@...cinc.com>
CC: Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi
	<lpieralisi@...nel.org>,
        Krzysztof Wilczyński
	<kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson
	<andersson@...nel.org>, <kernel@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-pci@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/2] PCI: qcom: Add QCS9100 PCIe compatible



On 7/10/2024 1:58 AM, Manivannan Sadhasivam wrote:
> On Tue, Jul 09, 2024 at 10:59:28PM +0800, Tengfei Fan wrote:
>> Introduce support for the QCS9100 SoC device tree (DTSI) and the
>> QCS9100 RIDE board DTS. The QCS9100 is a variant of the SA8775p.
>> While the QCS9100 platform is still in the early design stage, the
>> QCS9100 RIDE board is identical to the SA8775p RIDE board, except it
>> mounts the QCS9100 SoC instead of the SA8775p SoC.
>>
>> The QCS9100 SoC DTSI is directly renamed from the SA8775p SoC DTSI, and
>> all the compatible strings will be updated from "SA8775p" to "QCS9100".
>> The QCS9100 device tree patches will be pushed after all the device tree
>> bindings and device driver patches are reviewed.
>>
> 
> Are you going to remove SA8775p compatible from all drivers as well?

SA8775p compatible and corresponding scmi solutions for the driver will
be taken care from auto team, currently IOT team is adding QCS9100
support only. Auto team have a dependency on the current QCS9100(IOT
non-scmi solution) and SA8775p(AUTO SCMI solution) device tree splitting
effort.

More background and information can be referenced from [1].
[1] v1:
https://lore.kernel.org/linux-arm-msm/20240703025850.2172008-1-quic_tengfan@quicinc.com/
> 
> - Mani
> 
>> The final dtsi will like:
>> https://lore.kernel.org/linux-arm-msm/20240703025850.2172008-3-quic_tengfan@quicinc.com/
>>
>> The detailed cover letter reference:
>> https://lore.kernel.org/linux-arm-msm/20240703025850.2172008-1-quic_tengfan@quicinc.com/
>>
>> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
>> ---
>> Changes in v2:
>>   - Split huge patch series into different patch series according to
>>     subsytems
>>   - Update patch commit message
>>
>> prevous disscussion here:
>> [1] v1: https://lore.kernel.org/linux-arm-msm/20240703025850.2172008-1-quic_tengfan@quicinc.com/
>>
>> ---
>> Tengfei Fan (2):
>>       dt-bindings: PCI: Document compatible for QCS9100
>>       PCI: qcom: Add support for QCS9100 SoC
>>
>>  Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml | 5 ++++-
>>  drivers/pci/controller/dwc/pcie-qcom.c                       | 1 +
>>  2 files changed, 5 insertions(+), 1 deletion(-)
>> ---
>> base-commit: 0b58e108042b0ed28a71cd7edf5175999955b233
>> change-id: 20240709-add_qcs9100_pcie_compatible-ceec013a335d
>>
>> Best regards,
>> -- 
>> Tengfei Fan <quic_tengfan@...cinc.com>
>>
> 

-- 
Thx and BRs,
Aiqun(Maria) Yu