arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi
Extension
.dtsi
Size
9204 bytes
Lines
349
Domain
Architecture Layer
Bucket
arch/arm64
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 2023 Boundary Devices
 * Copyright 2024 Silicon Signals Pvt. Ltd.
 *
 * Author : Bhavin Sharma <bhavin.sharma@siliconsignals.io>
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include "imx8mp.dtsi"

/ {
	model = "Boundary Device Nitrogen8MP SMARC SoM";
	compatible = "boundary,imx8mp-nitrogen-smarc-som", "fsl,imx8mp";

	chosen {
		stdout-path = &uart2;
	};

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

		led-0 {
			function = LED_FUNCTION_POWER;
			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};

	reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
	        compatible = "regulator-fixed";
	        regulator-name = "VSD_3V3";
	        regulator-min-microvolt = <3300000>;
	        regulator-max-microvolt = <3300000>;
	        gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
	        enable-active-high;
	};
};

&A53_0 {
        cpu-supply = <&buck2>;
};

&A53_1 {
        cpu-supply = <&buck2>;
};

&A53_2 {
        cpu-supply = <&buck2>;
};

&A53_3 {
        cpu-supply = <&buck2>;
};

&i2c1 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	pmic@25 {
		compatible = "nxp,pca9450c";
		reg = <0x25>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;

Annotation

Implementation Notes