arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
Extension
.dts
Size
9936 bytes
Lines
520
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
#include <dt-bindings/input/input.h>
#include <dt-bindings/reset/qcom,gcc-msm8960.h>

#include "qcom-msm8960.dtsi"
#include "pm8921.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/input/gpio-keys.h>

/ {
	model = "Samsung Galaxy Express SGH-I437";
	compatible = "samsung,expressatt", "qcom,msm8960";
	chassis-type = "handset";

	aliases {
		serial0 = &gsbi5_serial;
		mmc0 = &sdcc1; /* SDCC1 eMMC slot */
		mmc1 = &sdcc3; /* SDCC3 SD card slot */
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

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

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

		key-home {
			label = "Home";
			gpios = <&tlmm 40 GPIO_ACTIVE_LOW>;
			debounce-interval = <5>;
			linux,code = <KEY_HOMEPAGE>;
			wakeup-event-action = <EV_ACT_ASSERTED>;
			wakeup-source;
		};

		key-volume-up {
			label = "Volume Up";
			gpios = <&tlmm 50 GPIO_ACTIVE_LOW>;
			debounce-interval = <5>;
			linux,code = <KEY_VOLUMEUP>;
		};

		key-volume-down {
			label = "Volume Down";
			gpios = <&tlmm 81 GPIO_ACTIVE_LOW>;
			debounce-interval = <5>;
			linux,code = <KEY_VOLUMEDOWN>;
		};
	};
};

&gsbi2 {
	qcom,mode = <GSBI_PROT_I2C>;

	status = "okay";
};

&gsbi2_i2c {
	status = "okay";

	light-sensor@39 {
		compatible = "amstaos,tmd2772";
		reg = <0x39>;
		interrupts-extended = <&pm8921_gpio 6 IRQ_TYPE_EDGE_FALLING>;
		vdd-supply = <&pm8921_l9>;

Annotation

Implementation Notes