ARM: dts: stm32: Define OP-TEE resources on stm32mp15 and enable on DK2

Define OP-TEE firmware node for stm32mp15 based platforms. The node if disable by default. Enable the OP-TEE node and define OP-TEE reserved memory for stm32mp157c-dk2. Signed-off-by: Etienne Carriere <[email protected]> [jf: rebase onto v5.9] Signed-off-by: Jerome Forissier <[email protected]>
odeprez · Oct 3, 2023 · 9202c1c · 9202c1c
1 parent dcd0bb0
commit 9202c1c
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diff --git a/arch/arm/boot/dts/st/stm32mp151.dtsi b/arch/arm/boot/dts/st/stm32mp151.dtsi
@@ -35,6 +35,14 @@
 		method = "smc";
 	};
 
+	firmware {
+		optee: optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+			status = "disabled";
+		};
+	};
+
 	intc: interrupt-controller@a0021000 {
 		compatible = "arm,cortex-a7-gic";
 		#interrupt-cells = <3>;

diff --git a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
@@ -16,6 +16,13 @@
 	model = "STMicroelectronics STM32MP157C-DK2 Discovery Board";
 	compatible = "st,stm32mp157c-dk2", "st,stm32mp157";
 
+	reserved-memory {
+		optee_memory: optee@0xde000000 {
+			reg = <0xde000000 0x02000000>;
+			no-map;
+		};
+	};
+
 	aliases {
 		ethernet0 = &ethernet0;
 		serial3 = &usart2;
@@ -92,3 +99,7 @@
 	pinctrl-2 = <&usart2_idle_pins_c>;
 	status = "disabled";
 };
+
+&optee {
+	status = "okay";
+};