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@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/talos-evk-som.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi b/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
index a057a7271480..8bed53a8bd76 100644
--- a/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi
@@ -411,10 +411,14 @@ usb2_en: usb2-en-state {
 };
 
 &qupv3_id_0 {
+	firmware-name = "qcom/qcs615/qupv3fw.elf";
+
 	status = "okay";
 };
 
 &qupv3_id_1 {
+	firmware-name = "qcom/qcs615/qupv3fw.elf";
+
 	status = "okay";
 };
 

---
base-commit: 9a4cdc958dd79fc6c3b20b51a10debec6ca09fec
change-id: 20260805-talos-evk-qupv3-firmware-name-234f0ac9bdc1

Best regards,
--  
Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>

On Wed, 05 Aug 2026 16:57:23 +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.
> 
> [...]

Applied, thanks!

[1/1] arm64: dts: qcom: talos-evk-som: Add firmware-name to QUPv3 nodes
      commit: ba8ced74c199337c8a0aff4c606f1066dc464722

Best regards,
-- 
Bjorn Andersson <andersson@kernel.org>

On 8/5/26 1:27 PM, 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@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad