arch/arm64/boot/dts/freescale/imx8mp-kontron-osm-s.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-kontron-osm-s.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-kontron-osm-s.dtsi
Extension
.dtsi
Size
27529 bytes
Lines
915
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) 2022 Kontron Electronics GmbH
 */

#include <dt-bindings/interrupt-controller/irq.h>
#include "imx8mp.dtsi"

/ {
	model = "Kontron OSM-S i.MX8MP";
	compatible = "kontron,imx8mp-osm-s", "fsl,imx8mp";

	aliases {
		rtc0 = &rv3028;
		rtc1 = &snvs_rtc;
	};

	memory@40000000 {
		device_type = "memory";
		/*
		 * There are multiple SoM flavors with different DDR sizes.
		 * The smallest is 1GB. For larger sizes the bootloader will
		 * update the reg property.
		 */
		reg = <0x0 0x40000000 0 0x80000000>;
	};

	chosen {
		stdout-path = &uart3;
	};

	reg_usb1_vbus: regulator-usb1-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usb1_vbus>;
		gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "VBUS_USB_A";
	};

	reg_usb2_vbus: regulator-usb2-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usb2_vbus>;
		gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "VBUS_USB_B";
	};

	reg_usdhc2_vcc: regulator-usdhc2-vcc {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usdhc2_vcc>;
		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-name = "VCC_SDIO_A";
	};

	reg_usdhc3_vcc: regulator-usdhc3-vcc {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usdhc3_vcc>;
		gpio = <&gpio3 27 GPIO_ACTIVE_HIGH>;
		enable-active-high;

Annotation

Implementation Notes