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

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx53-usbarmory.dts
Extension
.dts
Size
3907 bytes
Lines
189
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 OR MIT)
/*
 * USB armory MkI device tree file
 * https://inversepath.com/usbarmory
 *
 * Copyright (C) 2015, Inverse Path
 * Andrej Rosano <andrej@inversepath.com>
 */

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

/ {
	model = "Inverse Path USB armory";
	compatible = "inversepath,imx53-usbarmory", "fsl,imx53";
};

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

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

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

		led-user {
			label = "LED";
			gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};
	};
};

/*
 * Not every i.MX53 P/N supports clock > 800MHz.
 * As USB armory does not mount a specific P/N set a safe clock upper limit.
 */
&cpu0 {
	operating-points = <
		/* kHz */
		166666  850000
		400000  900000
		800000 1050000
	>;
};

&esdhc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_esdhc1>;
	status = "okay";
};

&iomuxc {
	pinctrl_esdhc1: esdhc1grp {
		fsl,pins = <
			MX53_PAD_SD1_DATA0__ESDHC1_DAT0		0x1d5
			MX53_PAD_SD1_DATA1__ESDHC1_DAT1		0x1d5
			MX53_PAD_SD1_DATA2__ESDHC1_DAT2		0x1d5
			MX53_PAD_SD1_DATA3__ESDHC1_DAT3		0x1d5
			MX53_PAD_SD1_CMD__ESDHC1_CMD		0x1d5
			MX53_PAD_SD1_CLK__ESDHC1_CLK		0x1d5
		>;
	};

Annotation

Implementation Notes