arch/arm/boot/dts/samsung/exynos4412-n710x.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos4412-n710x.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos4412-n710x.dts
Extension
.dts
Size
2252 bytes
Lines
116
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
/dts-v1/;
#include "exynos4412-midas.dtsi"

/ {
	compatible = "samsung,n710x", "samsung,midas", "samsung,exynos4412", "samsung,exynos4";
	model = "Samsung Galaxy Note 2 (GT-N7100, GT-N7105) based on Exynos4412";
	chassis-type = "handset";

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x7fc00000>;
	};

	/* bootargs are passed in by bootloader */

	cam_vdda_reg: voltage-regulator-10 {
		compatible = "regulator-fixed";
		regulator-name = "CAM_SENSOR_CORE_1.2V";
		regulator-min-microvolt = <1200000>;
		regulator-max-microvolt = <1200000>;
		gpio = <&gpm4 1 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&buck9_reg {
	maxim,ena-gpios = <&gpm1 0 GPIO_ACTIVE_HIGH>;
};

&cam_af_reg {
	gpio = <&gpm1 1 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&cam_io_reg {
	gpio = <&gpm0 7 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&i2c_3 {
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-slave-addr = <0x10>;
	samsung,i2c-max-bus-freq = <400000>;
	pinctrl-0 = <&i2c3_bus>;
	pinctrl-names = "default";
	status = "okay";

	touchscreen@48 {
		compatible = "melfas,mms152";
		reg = <0x48>;
		interrupt-parent = <&gpm2>;
		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
		touchscreen-size-x = <720>;
		touchscreen-size-y = <1280>;
		avdd-supply = <&ldo23_reg>;
		vdd-supply = <&ldo24_reg>;
	};
};

&ldo13_reg {
	regulator-name = "VCC_1.8V_LCD";
	regulator-always-on;
};

&ldo25_reg {
	regulator-name = "VCI_3.0V_LCD";
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;
};

Annotation

Implementation Notes