diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index d8475fef902c0..9653244a99397 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -58,6 +58,9 @@ dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-emmc.dtb
 lemans-evk-sd-card-dtbs := lemans-evk.dtb lemans-evk-sd-card.dtbo
 dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-sd-card.dtb
 
+lemans-evk-optee-dtbs := lemans-evk.dtb lemans-evk-optee.dtbo
+dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-optee.dtb
+
 lemans-evk-camera-csi1-imx577-dtbs	:= lemans-evk.dtb lemans-evk-camera-csi1-imx577.dtbo
 lemans-evk-camera-dtbs	:= lemans-evk.dtb lemans-evk-camera.dtbo
 
diff --git a/arch/arm64/boot/dts/qcom/lemans-evk-optee.dtso b/arch/arm64/boot/dts/qcom/lemans-evk-optee.dtso
new file mode 100644
index 0000000000000..a1acd47b19567
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/lemans-evk-optee.dtso
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2026, Royyan Zahir
+ *
+ * OP-TEE firmware node for the open-firmware (TF-A + OP-TEE) boot flow.
+ * The default firmware exposes only the QTEE scm node; this overlay adds the
+ * OP-TEE SMC transport so the kernel OP-TEE driver binds when open firmware
+ * is flashed.
+ */
+
+/dts-v1/;
+/plugin/;
+
+&{/firmware} {
+	optee {
+		compatible = "linaro,optee-tz";
+		method = "smc";
+	};
+};