linux-kernel - Re: [PATCH v4 1/6] dt-bindings: arm: qcom: Document QCM8550, QCS8550 SoC and board

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Message-ID: <e4288ce2-a8a3-42e0-9f01-765ac7cd1521@linaro.org>
Date: Mon, 5 Feb 2024 11:44:44 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Tengfei Fan <quic_tengfan@...cinc.com>,
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, kernel@...cinc.com
Subject: Re: [PATCH v4 1/6] dt-bindings: arm: qcom: Document QCM8550, QCS8550
 SoC and board

On 05/02/2024 11:20, Tengfei Fan wrote:
> 
> 
> On 2/5/2024 12:29 AM, Dmitry Baryshkov wrote:
>> On Fri, 19 Jan 2024 at 11:07, Tengfei Fan <quic_tengfan@...cinc.com> wrote:
>>>
>>> Document QCM8550, QCS8550 SoC and the AIM300 AIoT board bindings.
>>> QCS8550 and QCM8550 processor combines powerful computing, extreme edge
>>> AI processing, Wi-Fi 7, and robust video and graphics for a wide range
>>> of use cases for the Internet of Things (IoT). QCS8550 is a QCS version
>>> for QCM8550. Modem RF only in QCM8550 but not in QCS8550.
>>> AIM300 Series is a highly optimized family of modules designed to
>>> support AIoT applications. The module is mounted onto Qualcomm AIoT
>>> carrier board to support verification, evaluation and development. It
>>> integrates QCS8550 SoC, UFS and PMIC chip etc.
>>> AIM stands for Artificial Intelligence Module. AIoT stands for AI IoT.
>>>
>>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
>>> ---
>>>   Documentation/devicetree/bindings/arm/qcom.yaml | 11 +++++++++++
>>>   1 file changed, 11 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml
>>> index 1a5fb889a444..9cee874a8eae 100644
>>> --- a/Documentation/devicetree/bindings/arm/qcom.yaml
>>> +++ b/Documentation/devicetree/bindings/arm/qcom.yaml
>>> @@ -49,8 +49,10 @@ description: |
>>>           msm8996
>>>           msm8998
>>>           qcs404
>>> +        qcs8550
>>>           qcm2290
>>>           qcm6490
>>> +        qcm8550
>>
>> Drop
> 
> we want to introduce qcm8550 here.
> 
> qcm8550.dtsi has been introduced and qcs8550-aim300.dtsi include 
> qcm8550.dtsi directly.
> 
> qcs8550 is a QCS version for qcm8550. qcs8550 is a sub-series of 
> qcm8550. qcm8550 will be a firmware release series from qualcomm.
> 
> here is the qcm8550/qcs8550 detailed spec: 
> https://docs.qualcomm.com/bundle/publicresource/87-61717-1_REV_A_Qualcomm_QCS8550_QCM8550_Processors_Product_Brief.pdf
> 
> here is the sm8550 detailed spec: 
> https://docs.qualcomm.com/bundle/publicresource/87-71408-1_REV_C_Snapdragon_8_gen_3_Mobile_Platform_Product_Brief.pdf

That's 8 gen 3, so SM8650, not SM8550.


Best regards,
Krzysztof