arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_som2.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_som2.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_som2.dtsi
Extension
.dtsi
Size
16440 bytes
Lines
739
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 OR X11
/*
 * Copyright 2016 Boundary Devices, Inc.
 */
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	chosen {
		stdout-path = &uart2;
	};

	memory@10000000 {
		device_type = "memory";
		reg = <0x10000000 0x40000000>;
	};

	backlight_lcd: backlight-lcd {
		compatible = "pwm-backlight";
		pwms = <&pwm1 0 5000000 0>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <7>;
		power-supply = <&reg_3p3v>;
		status = "okay";
	};

	backlight_lvds0: backlight-lvds0 {
		compatible = "pwm-backlight";
		pwms = <&pwm4 0 5000000 0>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <7>;
		power-supply = <&reg_3p3v>;
		status = "okay";
	};

	backlight_lvds1: backlight-lvds1 {
		compatible = "gpio-backlight";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_backlight_lvds1>;
		gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>;
		default-on;
		status = "okay";
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_keys>;

		key-power {
			label = "Power Button";
			gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_POWER>;
			wakeup-source;
		};

		key-menu {
			label = "Menu";
			gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_MENU>;
		};

		key-home {
			label = "Home";
			gpios = <&gpio2 4 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_HOME>;
		};

		key-back {
			label = "Back";

Annotation

Implementation Notes