arch/arm64/boot/dts/rockchip/px30-firefly-jd4-core-mb.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/rockchip/px30-firefly-jd4-core-mb.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/px30-firefly-jd4-core-mb.dts
Extension
.dts
Size
3494 bytes
Lines
180
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) 2019 Fuzhou Rockchip Electronics Co., Ltd
 */

/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include "px30-firefly-jd4-core.dtsi"

/ {
	compatible = "firefly,px30-jd4-core-mb", "firefly,px30-jd4-core",
		   "rockchip,px30";
	model = "Firefly Core-PX30-JD4 on MB-JD4-PX30 baseboard";

	aliases {
		ethernet0 = &gmac;
		mmc0 = &sdmmc;
		mmc1 = &sdio;
		mmc2 = &emmc;
	};

	chosen {
		stdout-path = "serial2:115200n8";
	};

	dc_12v: regulator-dc-12v {
		compatible = "regulator-fixed";
		regulator-name = "dc_12v";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
	};

	adc-keys {
		compatible = "adc-keys";
		io-channels = <&saradc 2>;
		io-channel-names = "buttons";
		keyup-threshold-microvolt = <1500000>;
		poll-interval = <100>;

		button-recovery {
			label = "Recovery";
			linux,code = <KEY_VENDOR>;
			press-threshold-microvolt = <18000>;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&blue_led>, <&green_led>;

		blue-led {
			color = <LED_COLOR_ID_BLUE>;
			default-state = "on";
			function = LED_FUNCTION_HEARTBEAT;
			gpios = <&gpio1 RK_PB5 GPIO_ACTIVE_HIGH>;
			label = "px30-mb-jd4:blue:work";
			linux,default-trigger = "heartbeat";
		};

		green-led {
			color = <LED_COLOR_ID_GREEN>;
			default-state = "on";
			function = LED_FUNCTION_POWER;
			gpios = <&gpio1 RK_PB4 GPIO_ACTIVE_HIGH>;
			label = "px30-mb-jd4:blue:diy";
			linux,default-trigger = "default-on";

Annotation

Implementation Notes