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

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx53-ard.dts
Extension
.dts
Size
4602 bytes
Lines
171
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 2011 Freescale Semiconductor, Inc.
 * Copyright 2011 Linaro Ltd.
 */

/dts-v1/;
#include <dt-bindings/input/input.h>
#include "imx53.dtsi"

/ {
	model = "Freescale i.MX53 Automotive Reference Design Board";
	compatible = "fsl,imx53-ard", "fsl,imx53";

	memory@70000000 {
		device_type = "memory";
		reg = <0x70000000 0x40000000>;
	};

	eim-cs1@f4000000 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "fsl,eim-bus", "simple-bus";
		reg = <0xf4000000 0x3ff0000>;
		ranges;

		ethernet@f4000000 {
			compatible = "smsc,lan9220", "smsc,lan9115";
			reg = <0xf4000000 0x2000000>;
			phy-mode = "mii";
			interrupt-parent = <&gpio2>;
			interrupts = <31 0x8>;
			reg-io-width = <4>;
			/*
			 * VDD33A and VDDVARIO of LAN9220 are supplied by
			 * SW4_3V3 of LTC3589.  Before the regulator driver
			 * for this PMIC is available, we use a fixed dummy
			 * 3V3 regulator to get LAN9220 driver probing work.
			 */
			vdd33a-supply = <&reg_3p3v>;
			vddvario-supply = <&reg_3p3v>;
			smsc,irq-push-pull;
		};
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

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

		key-home {
			label = "Home";
			gpios = <&gpio5 10 0>;
			linux,code = <KEY_HOME>;
			wakeup-source;
		};

		key-back {
			label = "Back";
			gpios = <&gpio5 11 0>;
			linux,code = <KEY_BACK>;
			wakeup-source;
		};

Annotation

Implementation Notes