arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts
Extension
.dts
Size
10252 bytes
Lines
419
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+
/*
 * Copyright 2018 Wandboard, Org.
 * Copyright 2017 NXP
 *
 * Author: Richard Hu <hakahu@gmail.com>
 */

/dts-v1/;

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

/ {
	model = "TechNexion PICO-PI-8M";
	compatible = "technexion,pico-pi-imx8m", "fsl,imx8mq";

	chosen {
		stdout-path = &uart1;
	};

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

	reg_usb_otg_vbus: regulator-usb-otg-vbus {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_otg_vbus>;
		compatible = "regulator-fixed";
		regulator-name = "usb_otg_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio3 14 GPIO_ACTIVE_LOW>;
	};
};

&fec1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec1 &pinctrl_enet_3v3>;
	phy-mode = "rgmii-id";
	phy-handle = <&ethphy0>;
	fsl,magic-packet;
	status = "okay";

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		ethphy0: ethernet-phy@1 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <1>;
		};
	};
};

&i2c1 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	pmic: pmic@4b {
		reg = <0x4b>;
		compatible = "rohm,bd71837";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;
		#clock-cells = <0>;

Annotation

Implementation Notes