arch/arm/boot/dts/marvell/armada-375.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/armada-375.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/armada-375.dtsi
Extension
.dtsi
Size
16438 bytes
Lines
645
Domain
Architecture Layer
Bucket
arch/arm
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+ OR MIT)
/*
 * Device Tree Include file for Marvell Armada 375 family SoC
 *
 * Copyright (C) 2014 Marvell
 *
 * Gregory CLEMENT <gregory.clement@free-electrons.com>
 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/phy/phy.h>

#define MBUS_ID(target,attributes) (((target) << 24) | ((attributes) << 16))

/ {
	#address-cells = <1>;
	#size-cells = <1>;

	model = "Marvell Armada 375 family SoC";
	compatible = "marvell,armada375";

	aliases {
		gpio0 = &gpio0;
		gpio1 = &gpio1;
		gpio2 = &gpio2;
		serial0 = &uart0;
		serial1 = &uart1;
	};

	clocks {
		/* 1 GHz fixed main PLL */
		mainpll: mainpll {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <1000000000>;
		};
		/* 25 MHz reference crystal */
		refclk: oscillator {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <25000000>;
		};
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "marvell,armada-375-smp";

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <0>;
		};
		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <1>;
		};
	};

	pmu {
		compatible = "arm,cortex-a9-pmu";
		interrupts-extended = <&mpic 3>;
	};

	soc {
		compatible = "marvell,armada375-mbus", "simple-bus";

Annotation

Implementation Notes