arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
Extension
.dtsi
Size
13582 bytes
Lines
743
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 2020, Compass Electronics Group, LLC
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/clock/versaclock.h>

/ {
	backlight_dpi: backlight-dpi {
		compatible = "pwm-backlight";
		power-supply = <&reg_lcd>;
		enable-gpios = <&gpio_exp1 7 GPIO_ACTIVE_LOW>;
		pwms = <&pwm0 0 25000>;
		brightness-levels = <0 25 33 50 63 75 88 100>;
		default-brightness-level = <6>;
	};

	hdmi0-out {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi0_con: endpoint {
				remote-endpoint = <&rcar_dw_hdmi0_out>;
			};
		};
	};

	keys {
		compatible = "gpio-keys";

		key-1 { /* S19 */
			gpios = <&gpio4 6 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_UP>;
			label = "Up";
			wakeup-source;
			debounce-interval = <20>;
		};
		key-2 { /*S20 */
			gpios = <&gpio3 13 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_LEFT>;
			label = "Left";
			wakeup-source;
			debounce-interval = <20>;
		};
		key-3 { /* S21 */
			gpios = <&gpio5 17 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_DOWN>;
			label = "Down";
			wakeup-source;
			debounce-interval = <20>;
		};
		key-4 { /* S22 */
			gpios = <&gpio5 20 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RIGHT>;
			label = "Right";
			wakeup-source;
			debounce-interval = <20>;
		};
		key-5 { /* S23 */
			gpios = <&gpio5 22 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_ENTER>;
			label = "Center";
			wakeup-source;
			debounce-interval = <20>;
		};
	};

Annotation

Implementation Notes