arch/arm/boot/dts/nxp/imx/imx53-mba53.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx53-mba53.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx53-mba53.dts
Extension
.dts
Size
5235 bytes
Lines
237
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-later
/*
 * Copyright 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
 * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix
 */

/dts-v1/;
#include "imx53-tqma53.dtsi"

/ {
	model = "TQ MBa53 starter kit";
	compatible = "tq,mba53", "tq,tqma53", "fsl,imx53";

	chosen {
		stdout-path = &uart2;
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm2 0 50000 0>;
		brightness-levels = <0 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 100>;
		default-brightness-level = <10>;
		enable-gpios = <&gpio7 7 0>;
		power-supply = <&reg_backlight>;
	};

	disp1: disp1 {
		compatible = "fsl,imx-parallel-display";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_disp1_1>;
		interface-pix-fmt = "rgb24";
		status = "disabled";

		port {
			display1_in: endpoint {
				remote-endpoint = <&ipu_di1_disp1>;
			};
		};
	};

	reg_backlight: regulator-backlight {
		compatible = "regulator-fixed";
		regulator-name = "lcd-supply";
		gpio = <&gpio2 5 0>;
		startup-delay-us = <5000>;
	};

	reg_3p2v: regulator-3p2v {
		compatible = "regulator-fixed";
		regulator-name = "3P2V";
		regulator-min-microvolt = <3200000>;
		regulator-max-microvolt = <3200000>;
		regulator-always-on;
	};

	sound {
		compatible = "tq,imx53-mba53-sgtl5000",
			     "fsl,imx-audio-sgtl5000";
		model = "imx53-mba53-sgtl5000";
		ssi-controller = <&ssi2>;
		audio-codec = <&codec>;
		audio-routing =
			"MIC_IN", "Mic Jack",
			"Mic Jack", "Mic Bias",
			"Headphone Jack", "HP_OUT";
		mux-int-port = <2>;
		mux-ext-port = <5>;
	};
};

Annotation

Implementation Notes