diff --git a/arch/arm64/boot/dts/st/stm32mp211.dtsi b/arch/arm64/boot/dts/st/stm32mp211.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..d384359e0ea16e2593795ff48d4a699324c8ca75
--- /dev/null
+++ b/arch/arm64/boot/dts/st/stm32mp211.dtsi
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2025 - All Rights Reserved
+ * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
+ */
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			compatible = "arm,cortex-a35";
+			device_type = "cpu";
+			reg = <0>;
+			enable-method = "psci";
+		};
+	};
+
+	arm-pmu {
+		compatible = "arm,cortex-a35-pmu";
+		interrupts = <GIC_SPI 368 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>;
+		interrupt-parent = <&intc>;
+	};
+
+	arm_wdt: watchdog {
+		compatible = "arm,smc-wdt";
+		arm,smc-id = <0xbc000000>;
+		status = "disabled";
+	};
+
+	clocks {
+		ck_flexgen_08: ck-flexgen-08 {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <64000000>;
+		};
+
+		ck_flexgen_51: ck-flexgen-51 {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <200000000>;
+		};
+	};
+
+	firmware {
+		optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+
+		scmi: scmi {
+			compatible = "linaro,scmi-optee";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			linaro,optee-channel-id = <0>;
+
+			scmi_clk: protocol@14 {
+				reg = <0x14>;
+				#clock-cells = <1>;
+			};
+
+			scmi_reset: protocol@16 {
+				reg = <0x16>;
+				#reset-cells = <1>;
+			};
+		};
+	};
+
+	intc: interrupt-controller@4ac00000 {
+		compatible = "arm,cortex-a7-gic";
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		reg = <0x0 0x4ac10000 0x0 0x1000>,
+		      <0x0 0x4ac20000 0x0 0x2000>,
+		      <0x0 0x4ac40000 0x0 0x2000>,
+		      <0x0 0x4ac60000 0x0 0x2000>;
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupt-parent = <&intc>;
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
+		arm,no-tick-in-suspend;
+	};
+
+	soc@0 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <2>;
+		interrupt-parent = <&intc>;
+		ranges = <0x0 0x0 0x0 0x0 0x80000000>;
+		dma-ranges = <0x0 0x0 0x80000000 0x1 0x0>;
+
+		rifsc: bus@42080000 {
+			compatible = "simple-bus";
+			reg = <0x42080000 0x0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <2>;
+			ranges;
+			dma-ranges;
+
+			usart2: serial@400e0000 {
+				compatible = "st,stm32h7-uart";
+				reg = <0x400e0000 0x0 0x400>;
+				interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&ck_flexgen_08>;
+				status = "disabled";
+			};
+		};
+
+		syscfg: syscon@44230000 {
+			compatible = "st,stm32mp25-syscfg", "syscon";
+			reg = <0x44230000 0x0 0x10000>;
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/st/stm32mp213.dtsi b/arch/arm64/boot/dts/st/stm32mp213.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..22cdedd9abbf4efac2334d497618daa6cc76727b
--- /dev/null
+++ b/arch/arm64/boot/dts/st/stm32mp213.dtsi
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2024 - All Rights Reserved
+ * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
+ */
+#include "stm32mp211.dtsi"
+
+/ {
+};
diff --git a/arch/arm64/boot/dts/st/stm32mp215.dtsi b/arch/arm64/boot/dts/st/stm32mp215.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..d2c63e92b3cc15ec64898374fd2e745a9c71eb6d
--- /dev/null
+++ b/arch/arm64/boot/dts/st/stm32mp215.dtsi
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2024 - All Rights Reserved
+ * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
+ */
+#include "stm32mp213.dtsi"
+
+/ {
+};
diff --git a/arch/arm64/boot/dts/st/stm32mp21xc.dtsi b/arch/arm64/boot/dts/st/stm32mp21xc.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..39507a7564c8488647a3276eb227eb5f446359e6
--- /dev/null
+++ b/arch/arm64/boot/dts/st/stm32mp21xc.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2024 - All Rights Reserved
+ * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
+ */
+
+/ {
+};
diff --git a/arch/arm64/boot/dts/st/stm32mp21xf.dtsi b/arch/arm64/boot/dts/st/stm32mp21xf.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..39507a7564c8488647a3276eb227eb5f446359e6
--- /dev/null
+++ b/arch/arm64/boot/dts/st/stm32mp21xf.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2024 - All Rights Reserved
+ * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
+ */
+
+/ {
+};
