arch/arm64/boot/dts/freescale/imx8mp-aristainetos3a-som-v1.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-aristainetos3a-som-v1.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-aristainetos3a-som-v1.dtsi
Extension
.dtsi
Size
25835 bytes
Lines
1108
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 (C) 2024 Heiko Schocher <hs@denx.de>
 */

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

/ {
	model = "ADLINK LEC-iMX8MP-Q-N-4G-32G";
	compatible = "abb,imx8mp-aristanetos3-som", "fsl,imx8mp";

	aliases {
		ethernet0 = &eqos;
		ethernet1 = &fec;
		mmc0 = &usdhc3;	/* eMMC */
		mmc1 = &usdhc2;	/* MicroSD */
	};

	chosen {
		bootargs = "console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200";
		stdout-path = &uart2;
	};

	connector {
		compatible = "usb-c-connector";
		label = "USB-C";

		port {
			usb_dr_connector: endpoint {
				remote-endpoint = <&usb3_dwc>;
			};
		};
	};

	gpio-leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_led>;

		led-0 {
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_YELLOW>;
			function-enumerator = <0>;
			gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
	};

	lvds_backlight: backlight {
		compatible = "pwm-backlight";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_lvds_bklt_en>;
		pwms = <&pwm2 0 50000 0>;
		enable-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
		brightness-levels = <0 100>;
		num-interpolated-steps = <100>;
		default-brightness-level = <80>;
		status = "disabled";
	};

	memory@40000000 {
		device_type = "memory";
		/* Memory size 512 MiB..8 GiB will be filled by U-Boot */
		reg = <0x0 0x40000000 0 0x08000000>;
	};

Annotation

Implementation Notes