arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts
Extension
.dts
Size
11167 bytes
Lines
482
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 2017-2019 NXP
 */

/dts-v1/;

#include "imx8mq.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "Google i.MX8MQ Phanbell";
	compatible = "google,imx8mq-phanbell", "fsl,imx8mq";

	chosen {
		stdout-path = &uart1;
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x00000000 0x40000000 0 0x40000000>;
	};

	pmic_osc: clock-pmic {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <32768>;
		clock-output-names = "pmic_osc";
	};

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

	fan: gpio-fan {
		compatible = "gpio-fan";
		gpio-fan,speed-map = <0 0>, <8600 1>;
		gpios = <&gpio3 5 GPIO_ACTIVE_HIGH>;
		#cooling-cells = <2>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_fan>;
		status = "okay";
	};
};

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

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

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

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

&cpu_thermal {
	trips {
		cpu_alert0: trip0 {
			temperature = <75000>;

Annotation

Implementation Notes