arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
Extension
.dtsi
Size
9120 bytes
Lines
452
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) 2022 Theobroma Systems Design und Consulting GmbH
 */

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

/ {
	aliases {
		i2c10 = &i2c10;
		mmc0 = &emmc;
		mmc1 = &sdio;
		rtc0 = &rtc_twi;
		rtc1 = &rk809;
	};

	/* allows userspace to control the gate of the ATtiny UPDI pass FET via sysfs */
	attiny-updi-gate-regulator {
		compatible = "regulator-output";
		vout-supply = <&vg_attiny_updi>;
	};

	emmc_pwrseq: emmc-pwrseq {
		compatible = "mmc-pwrseq-emmc";
		pinctrl-0 = <&emmc_reset>;
		pinctrl-names = "default";
		reset-gpios = <&gpio1 RK_PB3 GPIO_ACTIVE_HIGH>;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&module_led_pin>;
		status = "okay";

		module_led: led-0 {
			gpios = <&gpio1 RK_PB0 GPIO_ACTIVE_HIGH>;
			function = LED_FUNCTION_HEARTBEAT;
			linux,default-trigger = "heartbeat";
			color = <LED_COLOR_ID_AMBER>;
		};
	};

	vcc5v0_sys: regulator-vccsys {
		compatible = "regulator-fixed";
		regulator-name = "vcc5v0_sys";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};
};

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

&cpu1 {
	cpu-supply = <&vdd_arm>;
};

&cpu2 {
	cpu-supply = <&vdd_arm>;
};

&cpu3 {
	cpu-supply = <&vdd_arm>;
};

Annotation

Implementation Notes