Re: [PATCH v2] arm64: dts: qcom: qcs6490-rb3gen2: Add firmware-name to QUPv3 nodes

[Dmitry Baryshkov]

On Tue, Sep 23, 2025 at 09:41:07PM +0530, Viken Dadhaniya wrote:
> Traditionally, firmware loading for Serial Engines (SE) in the QUP hardware
> of Qualcomm SoCs has been managed by TrustZone (TZ). While this approach
> ensures secure SE assignment and access control, it limits flexibility for
> developers who need to enable various protocols on different SEs.
> 
> Add the firmware-name property to QUPv3 nodes in the device tree to enable
> firmware loading from the Linux environment. Handle SE assignments and
> access control permissions directly within Linux, removing the dependency
> on TrustZone.
> 
> Signed-off-by: Viken Dadhaniya <viken.dadhaniya@xxxxxxxxxxxxxxxx>
> ---
> v1 -> v2:
> 
> - Updated the commit log.
> 
> v1 Link: https://lore.kernel.org/all/20250923143431.3490452-1-viken.dadhaniya@xxxxxxxxxxxxxxxx/
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 

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


-- 
With best wishes
Dmitry