Re: [PATCH v2 0/4] Add support for Talos Lyra EVK board

[Nirmesh Kumar Singh]

On 10/12/2026 11:46 AM, Ruchira Revdekar wrote:
> This series continues work originally posted by Avaneesh Kumar Dwivedi [1].
> V2 incorporates review feedback, validation results, and subsequent
> updates.
>
> This series adds initial device tree support for the Talos Lyra EVK,
> a QCS615-based System on Module (SoM) paired with a common carrier board.
>
> The Talos Lyra SoM is a compact compute module integrating the QCS615 SoC,
> PMICs, memory, and essential connectivity. It is designed to be paired with
> multiple carrier boards to support different use cases.
>
> Talos Lyra is a distinct SoM revision of the existing Talos EVK SoM. The
> key differences are:
>    - Adds Apache (Lite-on-Module) WLAN on SoC Card.
>    - Removes SPI-attached CAN transceiver module.
>    - SDC2 on the existing Talos SoM supported SDIO-based WLAN; it is now
>      used for the SD card connector only.
>
> Changes in v1:
>    - dt-bindings for the Talos Lyra EVK board.
>    - Talos Lyra SoM DTSI with PMIC, regulators, storage (UFS/SD),
>      QUPv3 instances, ADSP/CDSP remoteprocs, and GPU definitions.
>    - Talos Lyra EVK board DTS enabling DisplayPort, GPIO expanders,
>      SPI-attached TPM (ST33), and USB on the carrier board.
>
> Changes in v2:
>    - Drop qcom,talos-lyra-evk-som compatible from the binding; group
>      qcom,talos-lyra-evk under the existing talos-evk block instead
>    - Remove unused regulators vreg_s3a (smps3), vreg_s5a (smps5) and
>      vreg_s6a (smps6) from the SoM device tree
>    - Update board compatible string to remove qcom,talos-lyra-evk-som
>    - Add "talos:" subsystem prefix to patches 2 and 3 subjects
>    - Set initial-mode to HPM for all LDOs (ldo3, ldo11, ldo13, ldo15, ldo16)
>    - Add EL2 overlay for talos-lyra-evk as a separate patch (patch 4)
>
> Note: The WLAN node is not included in this series and will be posted
> as a follow-up.
>
> [1] Link: https://lore.kernel.org/r/20260901-lyra_upstreaming-v1-0-e3a76dc9e21c@xxxxxxxxxxxxxxxx
>
> Signed-off-by: Ruchira Revdekar <ruchira.revdekar@xxxxxxxxxxxxxxxx>
> ---
> Avaneesh Kumar Dwivedi (3):
>        dt-bindings: arm: qcom: Add Talos Lyra EVK board
>        arm64: dts: qcom: talos: Add Talos Lyra EVK SoM platform
>        arm64: dts: qcom: talos: Add Talos Lyra EVK board
>
> Ruchira Revdekar (1):
>        arm64: dts: qcom: talos: Add EL2 overlay for talos-lyra-evk
>
>   Documentation/devicetree/bindings/arm/qcom.yaml  |   1 +
>   arch/arm64/boot/dts/qcom/Makefile                |   5 +
>   arch/arm64/boot/dts/qcom/talos-lyra-evk-som.dtsi | 251 +++++++++++++++++++++++
>   arch/arm64/boot/dts/qcom/talos-lyra-evk.dts      | 137 +++++++++++++
>   4 files changed, 394 insertions(+)
> ---
Tested this series on Talos Lyra EVK platform. The board boots successfully
with this series and no issues were observed during validation.

Tested-by: Nirmesh Kumar Singh<nirmesh.singh@xxxxxxxxxxxxxxxx>

Thanks,
Nirmesh