arch/arm/boot/dts/microchip/sama5d3.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/sama5d3.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/sama5d3.dtsi
Extension
.dtsi
Size
36755 bytes
Lines
1129
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-later
/*
 * sama5d3.dtsi - Device Tree Include file for SAMA5D3 family SoC
 *                applies to SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36 SoC
 *
 *  Copyright (C) 2013 Atmel,
 *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
 */

#include <dt-bindings/dma/at91.h>
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/at91.h>
#include <dt-bindings/mfd/at91-usart.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	model = "Atmel SAMA5D3 family SoC";
	compatible = "atmel,sama5d3", "atmel,sama5";
	interrupt-parent = <&aic>;

	aliases {
		serial0 = &dbgu;
		serial1 = &usart0;
		serial2 = &usart1;
		serial3 = &usart2;
		serial4 = &usart3;
		serial5 = &uart0;
		gpio0 = &pioA;
		gpio1 = &pioB;
		gpio2 = &pioC;
		gpio3 = &pioD;
		gpio4 = &pioE;
		tcb0 = &tcb0;
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		ssc0 = &ssc0;
		ssc1 = &ssc1;
		pwm0 = &pwm0;
	};
	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a5";
			reg = <0x0>;
			d-cache-size = <0x8000>;	// L1, 32 KB
			i-cache-size = <0x8000>;	// L1, 32 KB
		};
	};

	pmu {
		compatible = "arm,cortex-a5-pmu";
		interrupts = <46 IRQ_TYPE_LEVEL_HIGH 0>;
	};

	memory@20000000 {
		device_type = "memory";
		reg = <0x20000000 0x8000000>;
	};

	clocks {
		slow_xtal: slow_xtal {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <0>;

Annotation

Implementation Notes