arch/arm/boot/dts/samsung/exynos4412-itop-scp-core.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos4412-itop-scp-core.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos4412-itop-scp-core.dtsi
Extension
.dtsi
Size
11780 bytes
Lines
508
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
/*
 * TOPEET's Exynos4412 based itop board device tree source
 *
 * Copyright (c) 2016 SUMOMO Computer Association
 *			https://www.sumomo.mobi
 *			Randy Li <ayaka@soulik.info>
 *
 * Device tree source file for TOPEET iTop Exynos 4412 SCP package core
 * board which is based on Samsung's Exynos4412 SoC.
 */

#include <dt-bindings/clock/samsung,s2mps11.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "exynos4412.dtsi"
#include "exynos4412-ppmu-common.dtsi"
#include "exynos-mfc-reserved-memory.dtsi"

/ {
	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x40000000>;
	};

	aliases {
		mmc0 = &mshc_0;
	};

	firmware@203f000 {
		compatible = "samsung,secure-firmware";
		reg = <0x0203f000 0x1000>;
	};

	fixed-rate-clocks {
		xxti {
			compatible = "samsung,clock-xxti";
			clock-frequency = <0>;
		};

		xusbxti {
			compatible = "samsung,clock-xusbxti";
			clock-frequency = <24000000>;
		};
	};

	thermal-zones {
		cpu_thermal: cpu-thermal {
			cooling-maps {
				map0 {
				     /* Corresponds to 800MHz at freq_table */
				     cooling-device = <&cpu0 7 7>, <&cpu1 7 7>,
						      <&cpu2 7 7>, <&cpu3 7 7>;
				};
				map1 {
				     /* Corresponds to 200MHz at freq_table */
				     cooling-device = <&cpu0 13 13>,
						      <&cpu1 13 13>,
						      <&cpu2 13 13>,
						      <&cpu3 13 13>;
			       };
		       };
		};
	};

	usb-hub {
		compatible = "smsc,usb3503a";
		reset-gpios = <&gpm2 4 GPIO_ACTIVE_LOW>;
		connect-gpios = <&gpm3 3 GPIO_ACTIVE_HIGH>;
		intn-gpios = <&gpx2 3 GPIO_ACTIVE_HIGH>;

Annotation

Implementation Notes