[PATCH v2 2/7] arm64: dts: freescale: Import optee node from u-boot i.MX8 device trees

U-Boot is importing kernel device trees for these platforms, but adding
a firmware node to enable communication with OP-TEE. Importing
changes here will allow to remove these additions in U-Boot.

Signed-off-by: Mathieu Dubois-Briand <[email protected]>
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 7 +++++++
 arch/arm64/boot/dts/freescale/imx8mn.dtsi | 7 +++++++
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 7 +++++++
 3 files changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 5cf2998d396d..4a55464e8a6f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -233,6 +233,13 @@ timer {
 		arm,no-tick-in-suspend;
 	};
 
+	firmware {
+		optee: optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
 	thermal_zones: thermal-zones {
 		cpu-thermal {
 			polling-delay-passive = <250>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index 79b169b07c4f..c3b4560ec9b4 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -265,6 +265,13 @@ timer {
 		arm,no-tick-in-suspend;
 	};
 
+	firmware {
+		optee: optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
 	soc: soc@0 {
 		compatible = "fsl,imx8mn-soc", "simple-bus";
 		#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 5ce2825182fd..285b98384255 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -404,6 +404,13 @@ timer {
 		arm,no-tick-in-suspend;
 	};
 
+	firmware {
+		optee: optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
 	soc: soc@0 {
 		compatible = "fsl,imx8mp-soc", "simple-bus";
 		#address-cells = <1>;

-- 
2.47.3