arch/arm64/boot/dts/freescale/imx8mp-toradex-smarc.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-toradex-smarc.dtsi
Extension
.dtsi
Size
37165 bytes
Lines
1309
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-later OR MIT
/* Copyright (C) 2025 Toradex */

#include <dt-bindings/phy/phy-imx8-pcie.h>
#include <dt-bindings/net/ti-dp83867.h>
#include "imx8mp.dtsi"

/ {
	aliases {
		can0 = &flexcan2;
		can1 = &flexcan1;
		ethernet0 = &eqos;
		ethernet1 = &fec;
		mmc0 = &usdhc3;
		mmc1 = &usdhc2;
		mmc2 = &usdhc1;
		rtc0 = &rtc_i2c;
		rtc1 = &snvs_rtc;
		serial0 = &uart1;
		serial1 = &uart4;
		serial2 = &uart2;
		serial3 = &uart3;
	};

	chosen {
		stdout-path = &uart4;
	};

	connector {
		compatible = "gpio-usb-b-connector", "usb-b-connector";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usb0_id>;
		id-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
		label = "USB0";
		self-powered;
		type = "micro";
		vbus-supply = <&reg_usb0_vbus>;

		port {
			usb_dr_connector: endpoint {
				remote-endpoint = <&usb3_0_dwc>;
			};
		};
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_sleep>;

		smarc_key_sleep: key-sleep {
			gpios = <&gpio3 1 GPIO_ACTIVE_LOW>;
			label = "SMARC_SLEEP#";
			wakeup-source;
			linux,code = <KEY_SLEEP>;
		};

		smarc_switch_lid: switch-lid {
			gpios = <&som_ec_gpio_expander 2 GPIO_ACTIVE_LOW>;
			label = "SMARC_LID#";
			linux,code = <SW_LID>;
			linux,input-type = <EV_SW>;
		};
	};

	reg_usb0_vbus: regulator-usb0-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usb0_en_oc>;
		gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;

Annotation

Implementation Notes