arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi
Extension
.dtsi
Size
9141 bytes
Lines
417
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+
//
// Copyright 2011 Freescale Semiconductor, Inc.
// Copyright 2011 Linaro Ltd.

#include "imx53.dtsi"

/ {
	chosen {
		stdout-path = &uart1;
	};

	memory@70000000 {
		device_type = "memory";
		reg = <0x70000000 0x20000000>,
		      <0xb0000000 0x20000000>;
	};

	backlight_parallel: backlight-parallel {
		compatible = "pwm-backlight";
		pwms = <&pwm2 0 5000000 0>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <7>;
	};

	display0: disp0 {
		compatible = "fsl,imx-parallel-display";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_ipu_disp0>;

		#address-cells = <1>;
		#size-cells = <0>;
		status = "disabled";

		port@0 {
			reg = <0>;

			display0_in: endpoint {
				remote-endpoint = <&ipu_di0_disp0>;
			};
		};

		port@1 {
			reg = <1>;

			display_out: endpoint {
				remote-endpoint = <&panel_in>;
			};
		};
	};

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

		key-power {
			label = "Power Button";
			gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_POWER>;
		};

		key-volume-up {
			label = "Volume Up";
			gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEUP>;
			wakeup-source;
		};

		key-volume-down {
			label = "Volume Down";
			gpios = <&gpio2 15 GPIO_ACTIVE_LOW>;

Annotation

Implementation Notes