arch/arm64/boot/dts/st/stm32mp211.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/st/stm32mp211.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/st/stm32mp211.dtsi
Extension
.dtsi
Size
3188 bytes
Lines
147
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// 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";
			reg = <0>;
			device_type = "cpu";
			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";
	};

	ck_flexgen_08: clock-64000000 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <64000000>;
	};

	ck_flexgen_51: clock-200000000 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		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>;
			};
		};

Annotation

Implementation Notes