linux-kernel - Re: [RESEND PATCH v3] arm64: dts: qcom: sm8750-mtp: Add WiFi and Bluetooth

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Message-ID: <4yt5lubdcvepqkstt44j4h6t5bxbno4eajevvkywj4y7ypl45a@wog3gteubbym>
Date: Tue, 2 Sep 2025 17:14:43 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH v3] arm64: dts: qcom: sm8750-mtp: Add WiFi and
 Bluetooth

On Tue, Sep 02, 2025 at 04:00:19PM +0200, Krzysztof Kozlowski wrote:
> MTP8750 rev 2.0 (power grid v8) boards come as two different variants
> with different WiFi chips: WCN7850 and WCN786x.  WCN7850 is already
> supported by the kernel, but WCN786x is not.  Both of the board variants
> are considered newest revisions and the difference is only in MCN
> numbers and internal codenames.
> 
> Add WCN7850 WiFi and Bluetooth to the MTP8750, stating that this DTS
> represents the WCN7850 variant.  The S4D and S5F regulators should
> operate at 0.85 V, thus adjust lower constraint and regulator name.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> Changes in v3:
> 1. Add also PCIe nodes, because they were not planned to be sent
>    separately.
> 2. Drop pieces of comments as discussed with Dmitry.
> v2: https://lore.kernel.org/all/20250811131055.154233-2-krzysztof.kozlowski@linaro.org/
> 
> Changes in v2:
> 1. Add missing &qupv3_2 enable, so Bluetooth works.
> 2. Adjust also S4D regulator constraint.
> 
> No dependencies, can be merged.
> ---
>  arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 147 +++++++++++++++++++++++-
>  1 file changed, 143 insertions(+), 4 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry