arch/arm64/boot/dts/freescale/imx8mp-edm-g.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-edm-g.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-edm-g.dtsi
Extension
.dtsi
Size
18520 bytes
Lines
787
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 2024 TechNexion Ltd.
 *
 * Author: Ray Chang <ray.chang@technexion.com>
 */

#include "imx8mp.dtsi"

/ {
	chosen {
		stdout-path = &uart2;
	};

	i2c_0: i2c {
		compatible = "i2c-gpio";
		#address-cells = <1>;
		#size-cells = <0>;
		clock-frequency = <100000>;
		pinctrl-0 = <&pinctrl_i2c_brd_conf>;
		pinctrl-names = "default";
		scl-gpios = <&gpio4 28 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
		sda-gpios = <&gpio4 29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;

		eeprom: eeprom@53 {
			compatible = "atmel,24c02";
			reg = <0x53>;
			pagesize = <16>;
		};
	};

	memory@40000000 {
		reg = <0x0 0x40000000 0 0xc0000000>,
		      <0x1 0x00000000 0 0xc0000000>;
		device_type = "memory";
	};

	reg_usdhc2_vmmc: regulator-usdhc2 {
		compatible = "regulator-fixed";
		off-on-delay-us = <12000>;
		regulator-max-microvolt = <3300000>;
		regulator-min-microvolt = <3300000>;
		regulator-name = "VSD_3V3";
		startup-delay-us = <100>;
		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	rfkill {
		compatible = "rfkill-gpio";
		name = "rfkill";
		pinctrl-0 = <&pinctrl_bt_ctrl>;
		pinctrl-names = "default";
		radio-type = "bluetooth";
		shutdown-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
	};

	wl_reg_on: regulator-wl-reg-on {
		compatible = "regulator-fixed";
		off-on-delay-us = <20000>;
		pinctrl-0 = <&pinctrl_wifi_ctrl>;
		pinctrl-names = "default";
		regulator-max-microvolt = <3300000>;
		regulator-min-microvolt = <3300000>;
		regulator-name = "WL_REG_ON";
		startup-delay-us = <100>;
		gpio = <&gpio1 0 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

Annotation

Implementation Notes