diff --git a/overlay/Makefile b/overlay/Makefile
index 67bc3f6..9e64e2b 100644
--- a/overlay/Makefile
+++ b/overlay/Makefile
@@ -9,6 +9,7 @@ dtb-y :=
 dtbo-y :=
 makefile-path := t23x/nv-public/overlay
 
+dtbo-y += tegra-optee.dtbo
 dtbo-y += tegra234-audio-overlay.dtbo
 dtbo-y += tegra234-carveouts.dtbo
 dtbo-y += tegra234-jetson.dtbo
diff --git a/overlay/tegra-optee.dts b/overlay/tegra-optee.dts
new file mode 100644
index 0000000..c2453ff
--- /dev/null
+++ b/overlay/tegra-optee.dts
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
+// Jetson Device-tree overlay for OP-TEE.
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	overlay-name = "OP-TEE overlay";
+	compatible = "nvidia,tegra234";
+
+	fragment@0 {
+		target-path = "/";
+		board_config {
+			sw-modules = "kernel";
+		};
+		__overlay__ {
+			firmware {
+				optee {
+					compatible = "linaro,optee-tz";
+					method = "smc";
+					status = "disabled";
+				};
+			};
+		};
+	};
+};