arch/arm/boot/dts/nxp/imx/imx51-zii-scu3-esb.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx51-zii-scu3-esb.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx51-zii-scu3-esb.dts
Extension
.dts
Size
9078 bytes
Lines
472
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 MIT)

/*
 * Copyright (C) 2018 Zodiac Inflight Innovations
 */

/dts-v1/;

#include "imx51.dtsi"

/ {
	model = "ZII SCU3 ESB board";
	compatible = "zii,imx51-scu3-esb", "fsl,imx51";

	chosen {
		stdout-path = &uart1;
	};

	/* Will be filled by the bootloader */
	memory@90000000 {
		device_type = "memory";
		reg = <0x90000000 0>;
	};

	usb_vbus: regulator-usb-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;

		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usb_mmc_reset>;
		gpio = <&gpio4 19 GPIO_ACTIVE_LOW>;
		startup-delay-us = <150000>;
	};
};

&cpu {
	cpu-supply = <&sw1_reg>;
};

&ecspi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi1>;
	cs-gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>,
		   <&gpio4 25 GPIO_ACTIVE_LOW>;
	status = "okay";

	pmic@0 {
		compatible = "fsl,mc13892";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;
		spi-max-frequency = <6000000>;
		spi-cs-high;
		reg = <0>;
		interrupt-parent = <&gpio1>;
		interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
		fsl,mc13xxx-uses-adc;

		regulators {
			sw1_reg: sw1 {
				regulator-min-microvolt = <600000>;
				regulator-max-microvolt = <1375000>;
				regulator-boot-on;
				regulator-always-on;
			};

			sw2_reg: sw2 {
				regulator-min-microvolt = <900000>;
				regulator-max-microvolt = <1850000>;

Annotation

Implementation Notes