arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3j.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3j.dtsi
Extension
.dtsi
Size
11742 bytes
Lines
559
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.
 */

#include <dt-bindings/leds/common.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/soc/rockchip,vop2.h>
#include "rk3568.dtsi"

/ {
	aliases {
		mmc0 = &sdhci;
		mmc2 = &sdmmc2;
	};

	gmac1_clkin: clock-125m {
		compatible = "fixed-clock";
		clock-frequency = <125000000>;
		clock-output-names = "gmac1_clkin";
		#clock-cells = <0>;
	};

	leds-0 {
		compatible = "gpio-leds";

		led-0 {
			color = <LED_COLOR_ID_GREEN>;
			default-state = "on";
			function = LED_FUNCTION_POWER;
			gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_HIGH>;
			pinctrl-names = "default";
			pinctrl-0 = <&gpio0_b4_led>;
		};
	};

	vcc3v3_sys: regulator-3v3-0 {
		compatible = "regulator-fixed";
		regulator-name = "vcc3v3_sys";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&dc5v>;
	};

	vcc_3v3_1: regulator-3v3-1 {
		compatible = "regulator-fixed";
		regulator-name = "vcc_3v3_1";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vcc3v3_sys>;
	};

	sdio_pwrseq: sdio-pwrseq {
		compatible = "mmc-pwrseq-simple";
		clocks = <&rk809 1>;
		clock-names = "ext_clock";
		pinctrl-names = "default";
		pinctrl-0 = <&wifi_reg_on_h_gpio3_d4>;
		reset-gpios = <&gpio3 RK_PD4 GPIO_ACTIVE_LOW>;
	};
};

&cpu0 {
	cpu-supply = <&vdd_cpu>;
};

Annotation

Implementation Notes