arch/arm64/boot/dts/rockchip/rk3568-mecsbc.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/rk3568-mecsbc.dts
Extension
.dts
Size
7873 bytes
Lines
426
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)

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/pwm/pwm.h>
#include "rk3568.dtsi"

/ {
	model = "Protonic MECSBC";
	compatible = "prt,mecsbc", "rockchip,rk3568";

	aliases {
		mmc0 = &sdhci;
		mmc1 = &sdmmc0;
	};

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

	tas2562-sound {
		compatible = "simple-audio-card";
		simple-audio-card,format = "i2s";
		simple-audio-card,name = "Speaker";
		simple-audio-card,mclk-fs = <256>;

		simple-audio-card,cpu {
			sound-dai = <&i2s1_8ch>;
		};

		simple-audio-card,codec {
			sound-dai = <&tas2562>;
		};
	};

	vdd_gpu: regulator-vdd-gpu {
		compatible = "pwm-regulator";
		pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>;
		regulator-name = "vdd_gpu";
		regulator-min-microvolt = <915000>;
		regulator-max-microvolt = <1000000>;
		regulator-always-on;
		regulator-boot-on;
		regulator-settling-time-up-us = <250>;
		pwm-dutycycle-range = <0 100>; /* dutycycle inverted 0% => 0.915V */
	};

	p3v3: regulator-p3v3 {
		compatible = "regulator-fixed";
		regulator-name = "p3v3";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	p1v8: regulator-p1v8 {
		compatible = "regulator-fixed";
		regulator-name = "p1v8";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
	};

	vcc_sd: regulator-sd {
		compatible = "regulator-gpio";
		enable-gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;

Annotation

Implementation Notes