arch/arm/boot/dts/samsung/exynos3250.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos3250.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos3250.dtsi
Extension
.dtsi
Size
24038 bytes
Lines
953
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 Exynos3250 SoC device tree source
 *
 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Samsung's Exynos3250 SoC device nodes are listed in this file. Exynos3250
 * 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
 * Exynos3250 SoC. As device tree coverage for Exynos3250 increases, additional
 * nodes can be added to this file.
 */

#include "exynos4-cpu-thermal.dtsi"
#include <dt-bindings/clock/exynos3250.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	compatible = "samsung,exynos3250";
	interrupt-parent = <&gic>;
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		pinctrl0 = &pinctrl_0;
		pinctrl1 = &pinctrl_1;
		spi0 = &spi_0;
		spi1 = &spi_1;
		i2c0 = &i2c_0;
		i2c1 = &i2c_1;
		i2c2 = &i2c_2;
		i2c3 = &i2c_3;
		i2c4 = &i2c_4;
		i2c5 = &i2c_5;
		i2c6 = &i2c_6;
		i2c7 = &i2c_7;
		serial0 = &serial_0;
		serial1 = &serial_1;
		serial2 = &serial_2;
	};

	bus_dmc: bus-dmc {
		compatible = "samsung,exynos-bus";
		clocks = <&cmu_dmc CLK_DIV_DMC>;
		clock-names = "bus";
		operating-points-v2 = <&bus_dmc_opp_table>;
		status = "disabled";

		bus_dmc_opp_table: opp-table {
			compatible = "operating-points-v2";

			opp-50000000 {
				opp-hz = /bits/ 64 <50000000>;
				opp-microvolt = <800000>;
			};
			opp-100000000 {
				opp-hz = /bits/ 64 <100000000>;
				opp-microvolt = <800000>;
			};
			opp-134000000 {
				opp-hz = /bits/ 64 <134000000>;
				opp-microvolt = <800000>;
			};
			opp-200000000 {
				opp-hz = /bits/ 64 <200000000>;
				opp-microvolt = <825000>;

Annotation

Implementation Notes