diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts
index 1aa0f8eef5..48db7818d7 100644
--- a/arch/sandbox/dts/sandbox.dts
+++ b/arch/sandbox/dts/sandbox.dts
@@ -342,6 +342,10 @@
 			status = "okay";
 		};
 	};
+
+	sandbox_tee {
+		compatible = "sandbox,tee";
+	};
 };
 
 #include "cros-ec-keyboard.dtsi"
diff --git a/arch/sandbox/dts/sandbox64.dts b/arch/sandbox/dts/sandbox64.dts
index 9e65d2fda3..0e32fdad9d 100644
--- a/arch/sandbox/dts/sandbox64.dts
+++ b/arch/sandbox/dts/sandbox64.dts
@@ -311,6 +311,10 @@
 			};
 		};
 	};
+
+	sandbox_tee {
+		compatible = "sandbox,tee";
+	};
 };
 
 #include "cros-ec-keyboard.dtsi"
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 491f889f3b..ad94901fa1 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -657,6 +657,10 @@
 	board {
 		compatible = "sandbox,board_sandbox";
 	};
+
+	sandbox_tee {
+		compatible = "sandbox,tee";
+	};
 };
 
 #include "sandbox_pmic.dtsi"