ARM: dts: stm32mp13: add OP-TEE nodes

Add the node for OP-TEE firmware with the associated reserved memory nodes

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
diff --git a/arch/arm/dts/stm32mp13-u-boot.dtsi b/arch/arm/dts/stm32mp13-u-boot.dtsi
index 1b5b358..adc7e67 100644
--- a/arch/arm/dts/stm32mp13-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp13-u-boot.dtsi
@@ -82,6 +82,10 @@
 	u-boot,dm-pre-reloc;
 };
 
+&optee {
+	u-boot,dm-pre-reloc;
+};
+
 &pinctrl {
 	u-boot,dm-pre-reloc;
 };
diff --git a/arch/arm/dts/stm32mp131.dtsi b/arch/arm/dts/stm32mp131.dtsi
index 950e172..652743f 100644
--- a/arch/arm/dts/stm32mp131.dtsi
+++ b/arch/arm/dts/stm32mp131.dtsi
@@ -27,6 +27,13 @@
 		interrupt-parent = <&intc>;
 	};
 
+	firmware {
+		optee: optee {
+			method = "smc";
+			compatible = "linaro,optee-tz";
+		};
+	};
+
 	clocks {
 		clk_axi: clk-axi {
 			#clock-cells = <0>;
diff --git a/arch/arm/dts/stm32mp135f-dk.dts b/arch/arm/dts/stm32mp135f-dk.dts
index ee100d1..31c510f 100644
--- a/arch/arm/dts/stm32mp135f-dk.dts
+++ b/arch/arm/dts/stm32mp135f-dk.dts
@@ -23,6 +23,17 @@
 		reg = <0xc0000000 0x20000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		optee@de000000 {
+			reg = <0xde000000 0x2000000>;
+			no-map;
+		};
+	};
+
 	vdd_sd: vdd-sd {
 		compatible = "regulator-fixed";
 		regulator-name = "vdd_sd";