linux-kernel - Re: [PATCH v5 0/2] Add Qualcomm Technologies, Inc. Talos EVK SMARC support

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Message-ID: <xq4jidiffovpg3armhlzrzxloug4irumlycyyvmfaugajbtq4t@cutuj5736ayo>
Date: Wed, 5 Nov 2025 03:05:14 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Sudarshan Shetty <tessolveupstream@...il.com>
Cc: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 0/2] Add Qualcomm Technologies, Inc. Talos EVK SMARC
 support

On Tue, Nov 04, 2025 at 06:21:24PM +0530, Sudarshan Shetty wrote:
> Hi all,
> 
> This patch series adds device tree binding and board support for the
> Qualcomm Technologies, Inc. Talos EVK SMARC platform based on the
> QCS615 SoC.
> 
> The first patch introduces the DT binding entry for the Talos EVK
> SMARC board, and the second patch adds the corresponding DTS
> files for the platform.
> 
> Note:
> USB(usb_1_dwc3) supports host-only mode based on the switch SW1 on
> the SoM, which is purely a hardware controlled as USB-ID and USB-VBUS
> is not connected the switching cannot be handled from SW.
> Hence from SW Host-only mode is supported on Linux boot up.
> 
> Changes in v5:
>  - Updated commit message. (suggested by Krzysztof)
>  - Introduced generic node name for can, dp, hdmi-bridge. (suggested by
>    Krzysztof)
>  - Introduced talos-evk-cb.dtsi, which has common carrier board
>    interfaces.

Common between what?

>  - No functional change in bindings file.
> 
> Changes in v4:
>  - Updated product name to full form per Krzysztof’s feedback in
>    dt-binding comment.
>  - Hook up the ADV7535 DSI-to-HDMI bridge to base DTS file.
>  - Add DP connector node and MDSS DisplayPort controller.
>  - Added USB note in the cover letter for maintainers' awareness.
> 
> Changes in v3:
>  - Addressed comments from Dmitry regarding USB1 `dr_mode` and 
>    added a DTS comment.
>  - No functional change in bindings file.
> 
> Changes in v2:
>  - Renamed compatible to "qcom,talos-evk" (suggested by Dmitry/Bjorn)
>  - Merged enum entry with existing `qcs615-ride` block (Krzysztof)
>  - Fixed subject and commit message to use imperative mood.
> 
> Thanks,
> Sudarshan
> 
> Sudarshan Shetty (2):
>   dt-bindings: arm: qcom: talos-evk: Add QCS615 Talos EVK SMARC platform
>   arm64: dts: qcom: talos-evk: Add support for QCS615 talos evk board
> 
>  .../devicetree/bindings/arm/qcom.yaml         |   1 +
>  arch/arm64/boot/dts/qcom/Makefile             |   1 +
>  arch/arm64/boot/dts/qcom/talos-evk-cb.dtsi    |  56 +++
>  arch/arm64/boot/dts/qcom/talos-evk-som.dtsi   | 442 ++++++++++++++++++
>  arch/arm64/boot/dts/qcom/talos-evk.dts        |  87 ++++
>  5 files changed, 587 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/talos-evk-cb.dtsi
>  create mode 100644 arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
>  create mode 100644 arch/arm64/boot/dts/qcom/talos-evk.dts
> 
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry