arch/arm64/boot/dts/freescale/imx952.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx952.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx952.dtsi
Extension
.dtsi
Size
45247 bytes
Lines
1536
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 MIT)
/*
 * Copyright 2025-2026 NXP
 */

#include <dt-bindings/dma/fsl-edma.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>

#include "imx952-clock.h"
#include "imx952-pinfunc.h"
#include "imx952-power.h"

/ {
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	clk_ext1: clock-ext1 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <133000000>;
		clock-output-names = "clk_ext1";
	};

	clk_dummy: clock-dummy {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
		clock-output-names = "dummy";
	};

	clk_ldb_pll_pixel: clock-ldb-pll-div7 {
		compatible = "fixed-factor-clock";
		clocks = <&scmi_clk IMX952_CLK_LDBPLL>;
		#clock-cells = <0>;
		clock-div = <7>;
		clock-mult = <1>;
		clock-output-names = "ldb_pll_div7";
	};

	clk_osc_24m: clock-osc-24m {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24000000>;
		clock-output-names = "osc_24m";
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		idle-states {
			entry-method = "psci";

			cpu_pd_wait: cpu-pd-wait {
				compatible = "arm,idle-state";
				arm,psci-suspend-param = <0x0010033>;
				local-timer-stop;
				entry-latency-us = <1000>;
				exit-latency-us = <700>;
				min-residency-us = <2700>;
				wakeup-latency-us = <1500>;
			};
		};

		A55_0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0>;

Annotation

Implementation Notes