arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
Extension
.dtsi
Size
18574 bytes
Lines
861
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 (C) 2019 Zodiac Inflight Innovations
 */

#include "imx8mq.dtsi"

/ {
	aliases {
		mdio-gpio0 = &mdio0;
		rtc0 = &ds1341;
	};

	chosen {
		stdout-path = &uart1;
	};

	mdio0: mdio {
		compatible = "virtual,mdio-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_mdio_bitbang>, <&pinctrl_fec1_phy_reset>;
		gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>, /* MDC */
			<&gpio1 14 GPIO_ACTIVE_HIGH>; /* MDIO */
		#address-cells = <1>;
		#size-cells = <0>;

		phy0: ethernet-phy@0 {
			reg = <0>;
			reset-gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
		};
	};

	pcie0_refclk: clock-pcie0-refclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
	};

	pcie1_refclk: clock-pcie1-refclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
	};

	reg_12p0_main: regulator-12p0-main {
		compatible = "regulator-fixed";
		regulator-name = "12V_MAIN";
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
		regulator-always-on;
	};

	reg_5p0_main: regulator-5p0-main {
		compatible = "regulator-fixed";
		vin-supply = <&reg_12p0_main>;
		regulator-name = "5V_MAIN";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
	};

	reg_3p3_main: regulator-3p3-main {
		compatible = "regulator-fixed";
		vin-supply = <&reg_12p0_main>;
		regulator-name = "3V3_MAIN";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

Annotation

Implementation Notes