arch/arm/boot/dts/samsung/exynos5250.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos5250.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos5250.dtsi
Extension
.dtsi
Size
31967 bytes
Lines
1238
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
/*
 * Samsung Exynos5250 SoC device tree source
 *
 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Samsung Exynos5250 SoC device nodes are listed in this file.
 * Exynos5250 based board files can include this file and provide
 * values for board specific bindings.
 *
 * Note: This file does not include device nodes for all the controllers in
 * Exynos5250 SoC. As device tree coverage for Exynos5250 increases,
 * additional nodes can be added to this file.
 */

#include <dt-bindings/clock/exynos5250.h>
#include "exynos5.dtsi"
#include "exynos4-cpu-thermal.dtsi"
#include <dt-bindings/clock/exynos-audss-clk.h>

/ {
	compatible = "samsung,exynos5250", "samsung,exynos5";

	aliases {
		spi0 = &spi_0;
		spi1 = &spi_1;
		spi2 = &spi_2;
		gsc0 = &gsc_0;
		gsc1 = &gsc_1;
		gsc2 = &gsc_2;
		gsc3 = &gsc_3;
		i2c4 = &i2c_4;
		i2c5 = &i2c_5;
		i2c6 = &i2c_6;
		i2c7 = &i2c_7;
		i2c8 = &i2c_8;
		i2c9 = &i2c_9;
		pinctrl0 = &pinctrl_0;
		pinctrl1 = &pinctrl_1;
		pinctrl2 = &pinctrl_2;
		pinctrl3 = &pinctrl_3;
	};

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

		cpu-map {
			cluster0 {
				core0 {
					cpu = <&cpu0>;
				};
				core1 {
					cpu = <&cpu1>;
				};
			};
		};

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a15";
			reg = <0>;
			clocks = <&clock CLK_ARM_CLK>;
			clock-names = "cpu";
			operating-points-v2 = <&cpu0_opp_table>;
			#cooling-cells = <2>; /* min followed by max */
		};
		cpu1: cpu@1 {
			device_type = "cpu";

Annotation

Implementation Notes