diff --git a/arch/arm64/boot/dts/rockchip/rk3588-linux.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-linux.dtsi
index 3860b959c112..c8ba9773728e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-linux.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-linux.dtsi
@@ -46,6 +46,14 @@
 		status = "okay";
 	};
 
+	firmware {
+		optee: optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+			//status = "disabled";
+		};
+	};
+
 	ramoops: ramoops@110000 {
 		compatible = "ramoops";
 		reg = <0x0 0x110000 0x0 0xf0000>;