arch/arm/boot/dts/samsung/exynos4.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos4.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos4.dtsi
Extension
.dtsi
Size
27212 bytes
Lines
1011
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's Exynos4 SoC series common device tree source
 *
 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 * Copyright (c) 2010-2011 Linaro Ltd.
 *		www.linaro.org
 *
 * Samsung's Exynos4 SoC series device nodes are listed in this file.  Particular
 * SoCs from Exynos4 series can include this file and provide values for SoCs
 * specific bindings.
 *
 * Note: This file does not include device nodes for all the controllers in
 * Exynos4 SoCs. As device tree coverage for Exynos4 increases, additional
 * nodes can be added to this file.
 */

#include <dt-bindings/clock/exynos4.h>
#include <dt-bindings/clock/exynos-audss-clk.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	interrupt-parent = <&gic>;
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		spi0 = &spi_0;
		spi1 = &spi_1;
		spi2 = &spi_2;
		i2c0 = &i2c_0;
		i2c1 = &i2c_1;
		i2c2 = &i2c_2;
		i2c3 = &i2c_3;
		i2c4 = &i2c_4;
		i2c5 = &i2c_5;
		i2c6 = &i2c_6;
		i2c7 = &i2c_7;
		i2c8 = &i2c_8;
		csis0 = &csis_0;
		csis1 = &csis_1;
		fimc0 = &fimc_0;
		fimc1 = &fimc_1;
		fimc2 = &fimc_2;
		fimc3 = &fimc_3;
		serial0 = &serial_0;
		serial1 = &serial_1;
		serial2 = &serial_2;
		serial3 = &serial_3;
	};

	pmu: pmu {
		compatible = "arm,cortex-a9-pmu";
		interrupt-parent = <&combiner>;
		status = "disabled";
	};

	soc: soc {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		clock_audss: clock-controller@3810000 {
			compatible = "samsung,exynos4210-audss-clock";
			reg = <0x03810000 0x0c>;
			#clock-cells = <1>;
			clocks = <&clock CLK_FIN_PLL>, <&clock CLK_FOUT_EPLL>,

Annotation

Implementation Notes