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

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Message-ID: <58afe57b-68e8-4de3-841a-df3dbf04ee64@gmail.com>
Date: Wed, 5 Nov 2025 18:27:42 +0530
From: Tessolve Upstream <tessolveupstream@...il.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.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 05/11/25 06:35, Dmitry Baryshkov wrote:
> 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?

Introduced talos-evk-cb.dtsi to define carrier board–specific interfaces
common to both HDMI and LVDS top-level DTS variants.
> 
>>  - 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
>>
>