arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
Extension
.dtsi
Size
6137 bytes
Lines
360
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
/*
 * Device Tree Source for the Falcon CPU board
 *
 * Copyright (C) 2020 Renesas Electronics Corp.
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>

#include "r8a779a0.dtsi"

/ {
	model = "Renesas Falcon CPU board";
	compatible = "renesas,falcon-cpu", "renesas,r8a779a0";

	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		i2c3 = &i2c3;
		i2c4 = &i2c4;
		i2c5 = &i2c5;
		i2c6 = &i2c6;
		serial0 = &scif0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	keys {
		compatible = "gpio-keys";

		pinctrl-0 = <&keys_pins>;
		pinctrl-names = "default";

		key-1 {
			gpios = <&gpio6 18 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_1>;
			label = "SW47";
			wakeup-source;
			debounce-interval = <20>;
		};

		key-2 {
			gpios = <&gpio6 19 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_2>;
			label = "SW48";
			wakeup-source;
			debounce-interval = <20>;
		};

		key-3 {
			gpios = <&gpio6 20 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_3>;
			label = "SW49";
			wakeup-source;
			debounce-interval = <20>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led-1 {
			gpios = <&gpio4 18 GPIO_ACTIVE_HIGH>;
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_INDICATOR;

Annotation

Implementation Notes