arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi
Extension
.dtsi
Size
4755 bytes
Lines
266
Domain
Architecture Layer
Bucket
arch/arm64
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-only

#include "msm8916-pm8916.dtsi"
#include "msm8916-modem-qdsp6.dtsi"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	aliases {
		mmc0 = &sdhc_1; /* eMMC */
		mmc1 = &sdhc_2; /* SD card */
		serial0 = &blsp_uart2;
	};

	chosen {
		stdout-path = "serial0";
	};

	reserved-memory {
		/* Additional memory used by Samsung firmware modifications */
		tz-apps@85500000 {
			reg = <0x0 0x85500000 0x0 0xb00000>;
			no-map;
		};
	};

	gpio_hall_sensor: gpio-hall-sensor {
		compatible = "gpio-keys";

		pinctrl-names = "default";
		pinctrl-0 = <&gpio_hall_sensor_default>;

		label = "GPIO Hall Effect Sensor";

		event-hall-sensor {
			label = "Hall Effect Sensor";
			gpios = <&tlmm 52 GPIO_ACTIVE_LOW>;
			linux,input-type = <EV_SW>;
			linux,code = <SW_LID>;
			linux,can-disable;
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		pinctrl-names = "default";
		pinctrl-0 = <&gpio_keys_default>;

		label = "GPIO Buttons";

		button-volume-up {
			label = "Volume Up";
			gpios = <&tlmm 107 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEUP>;
		};

		button-home {
			label = "Home Key";
			gpios = <&tlmm 109 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_HOMEPAGE>;
		};
	};

	i2c_muic: i2c-muic {
		compatible = "i2c-gpio";
		sda-gpios = <&tlmm 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
		scl-gpios = <&tlmm 106 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;

Annotation

Implementation Notes