arch/arm/boot/dts/nxp/imx/imx53-tx53.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx53-tx53.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx53-tx53.dtsi
Extension
.dtsi
Size
13029 bytes
Lines
547
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-only OR MIT)
/*
 * Copyright 2012-2017 <LW@KARO-electronics.de>
 * based on imx53-qsb.dts
 *   Copyright 2011 Freescale Semiconductor, Inc.
 *   Copyright 2011 Linaro Ltd.
 */

#include "imx53.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Ka-Ro electronics TX53 module";
	compatible = "karo,tx53", "fsl,imx53";

	/* Will be filled by the bootloader */
	memory@70000000 {
		device_type = "memory";
		reg = <0x70000000 0>;
	};

	aliases {
		can0 = &can2; /* Make the can interface indices consistent with TX28/TX48 modules */
		can1 = &can1;
		ipu = &ipu;
		reg-can-xcvr = &reg_can_xcvr;
		usbh1 = &usbh1;
		usbotg = &usbotg;
	};

	clocks {
		ckih1 {
			clock-frequency = <0>;
		};
	};

	mclk: clock-mclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <26000000>;
	};

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

		key-power {
			label = "Power Button";
			gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
			linux,code = <116>; /* KEY_POWER */
			wakeup-source;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_stk5led>;

		led-user {
			label = "Heartbeat";
			gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};

	reg_2v5: regulator-2v5 {
		compatible = "regulator-fixed";
		regulator-name = "2V5";

Annotation

Implementation Notes