linux-kernel - Re: [PATCH v2] dt-bindings: soc: qcom,aoss-qmp: Document the QCS9100 AOSS channel

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Message-ID: <6dc608e0-2892-4d09-a54e-9341d3ea8227@quicinc.com>
Date: Mon, 29 Jul 2024 18:15:34 +0800
From: Tengfei Fan <quic_tengfan@...cinc.com>
To: Chris Lew <quic_clew@...cinc.com>, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <kernel@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] dt-bindings: soc: qcom,aoss-qmp: Document the QCS9100
 AOSS channel



On 7/12/2024 1:40 PM, Tengfei Fan wrote:
> 
> 
> On 7/11/2024 3:58 AM, Chris Lew wrote:
>> Hi Tengfei,
>>
>> On 7/9/2024 7:24 AM, Tengfei Fan wrote:
>>> Document the Always-On Subsystem side channel on the QCS9100 Platform.
>>> QCS9100 is drived from SA8775p. Currently, both the QCS9100 and SA8775p
>>
>> /s/drived/derived/
> 
> ACK.

After considering the feedback provided on the subject, We have decided
to keep current SA8775p compatible and ABI compatibility in drivers.
Let's close this session and ignore all the current patches here.
Thank you for your input.

> 
>>
>>> platform use non-SCMI resource. In the future, the SA8775p platform will
>>> move to use SCMI resources and it will have new sa8775p-related device
>>> tree. Consequently, introduce "qcom,qcs9100-aoss-qmp" to describe
>>> non-SCMI based AOSS channel.
>>>
>>
>> Were there any differences between non-SCMI and SCMI based platforms 
>> specifically for the qcom_aoss.com driver?
>>
>>
>>> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
>>> ---
>>> 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.
>>>
>>> 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/
>>> ---
>>> 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/
>>> ---
>>>   Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml | 1 +
>>>   1 file changed, 1 insertion(+)
>>>
>>> diff --git 
>>> a/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml 
>>> b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml
>>> index 7afdb60edb22..80e1a8b43586 100644
>>> --- a/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml
>>> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml
>>> @@ -25,6 +25,7 @@ properties:
>>>     compatible:
>>>       items:
>>>         - enum:
>>> +          - qcom,qcs9100-aoss-qmp
>>>             - qcom,qdu1000-aoss-qmp
>>>             - qcom,sa8775p-aoss-qmp
>>>             - qcom,sc7180-aoss-qmp
>>>
>>> ---
>>> base-commit: 0b58e108042b0ed28a71cd7edf5175999955b233
>>> change-id: 20240709-document_qcs9100_aoss_qmp_compatible-a7376629ea6c
>>>
>>> Best regards,
> 

-- 
Thx and BRs,
Tengfei Fan