arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3j-rpi-cm4.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3j-rpi-cm4.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3j-rpi-cm4.dts
Extension
.dts
Size
3602 bytes
Lines
205
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) 2025 Radxa Computer (Shenzhen) Co., Ltd.
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include "rk3568-radxa-cm3j.dtsi"

/ {
	model = "Radxa CM3J on RPi CM4 IO Board";
	compatible = "radxa,cm3j-rpi-cm4", "radxa,cm3j", "rockchip,rk3568";

	aliases {
		ethernet0 = &gmac1;
		mmc1 = &sdmmc0;
		rtc0 = &pcf85063;
	};

	chosen {
		stdout-path = "serial2:1500000n8";
	};

	hdmi-con {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_con_in: endpoint {
				remote-endpoint = <&hdmi_out_con>;
			};
		};
	};

	leds-1 {
		compatible = "gpio-leds";

		led-1 {
			color = <LED_COLOR_ID_RED>;
			default-state = "on";
			function = LED_FUNCTION_POWER;
			gpios = <&gpio3 RK_PC4 GPIO_ACTIVE_LOW>;
			pinctrl-names = "default";
			pinctrl-0 = <&npwr_led>;
		};

		led-2 {
			color = <LED_COLOR_ID_GREEN>;
			default-state = "on";
			function = LED_FUNCTION_STATUS;
			gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
			pinctrl-names = "default";
			pinctrl-0 = <&pi_nled_activity>;
		};
	};

	dc12v: regulator-12v0 {
		compatible = "regulator-fixed";
		regulator-name = "dc12v";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
	};

	dc3v3_pcie: regulator-3v3-2 {

Annotation

Implementation Notes