arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
Extension
.dts
Size
1103 bytes
Lines
59
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) 2020 Dongjin Kim <tobetter@gmail.com>
 */

/dts-v1/;

#include "meson-sm1-odroid.dtsi"

/ {
	compatible = "hardkernel,odroid-c4", "amlogic,sm1";
	model = "Hardkernel ODROID-C4";

	leds {
		compatible = "gpio-leds";

		led-blue {
			color = <LED_COLOR_ID_BLUE>;
			function = LED_FUNCTION_STATUS;
			gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			panic-indicator;
		};
	};

	sound {
		model = "ODROID-C4";
	};

	/* USB hub supports both USB 2.0 and USB 3.0 root hub */
	usb-hub {
		dr_mode = "host";
		#address-cells = <1>;
		#size-cells = <0>;

		/* 2.0 hub on port 1 */
		hub_2_0: hub@1 {
			compatible = "usb2109,2817";
			reg = <1>;
			peer-hub = <&hub_3_0>;
			reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
			vdd-supply = <&vcc_5v>;
		};

		/* 3.1 hub on port 4 */
		hub_3_0: hub@2 {
			compatible = "usb2109,817";
			reg = <2>;
			peer-hub = <&hub_2_0>;
			reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
			vdd-supply = <&vcc_5v>;
		};
	};
};

&ir {
	linux,rc-map-name = "rc-odroid";
};

Annotation

Implementation Notes