arch/arm/boot/dts/samsung/exynos4412-origen.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos4412-origen.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos4412-origen.dts
Extension
.dts
Size
12818 bytes
Lines
557
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
/*
 * Insignal's Exynos4412 based Origen board device tree source
 *
 * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Device tree source file for Insignal's Origen board which is based on
 * Samsung's Exynos4412 SoC.
 */

/dts-v1/;
#include "exynos4412.dtsi"
#include <dt-bindings/clock/samsung,s2mps11.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "exynos-mfc-reserved-memory.dtsi"

/ {
	model = "Insignal Origen evaluation board based on Exynos4412";
	compatible = "insignal,origen4412", "samsung,exynos4412", "samsung,exynos4";

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

	aliases {
		mmc0 = &mshc_0;
		mmc1 = &sdhci_2;
	};

	chosen {
		stdout-path = "serial2:115200n8";
	};

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

	mmc_reg: regulator-0 {
		compatible = "regulator-fixed";
		regulator-name = "VMEM_VDD_2.8V";
		regulator-min-microvolt = <2800000>;
		regulator-max-microvolt = <2800000>;
		gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	display-timings {
		native-mode = <&timing0>;
		timing0: timing {
			clock-frequency = <47500000>;
			hactive = <1024>;
			vactive = <600>;
			hfront-porch = <64>;
			hback-porch = <16>;
			hsync-len = <48>;
			vback-porch = <64>;
			vfront-porch = <16>;
			vsync-len = <3>;
		};
	};

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

Annotation

Implementation Notes