arch/arm64/boot/dts/rockchip/rk3326-anbernic-rg351m.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/rockchip/rk3326-anbernic-rg351m.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/rk3326-anbernic-rg351m.dtsi
Extension
.dtsi
Size
9477 bytes
Lines
481
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 Hardkernel Co., Ltd
 * Copyright (c) 2020 Theobroma Systems Design und Consulting GmbH
 * Copyright (c) 2022 Maya Matuszczyk <maccraft123mc@gmail.com>
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include "rk3326.dtsi"

/ {
	aliases {
		mmc0 = &sdmmc;
	};

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

	backlight: backlight {
		compatible = "pwm-backlight";
		power-supply = <&vcc_bl>;
		pwms = <&pwm1 0 25000 0>;
	};

	/*
	 * LED is a tri-state. Driven high it is red, driven low it is
	 * green, and not driven at all (pin set to input) it is amber.
	 * Additionally, there is a 2nd LED that is not controllable
	 * that is on (red) when plugged in to power.
	 */
	gpio_led: gpio-leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_pin>;

		red_green_led: led-0 {
			color = <LED_COLOR_ID_RED>;
			gpios = <&gpio2 RK_PB5 GPIO_ACTIVE_HIGH>;
			function = LED_FUNCTION_CHARGING;
		};
	};

	rk817-sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "rk817_int";
		simple-audio-card,format = "i2s";
		simple-audio-card,hp-det-gpios = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
		simple-audio-card,mclk-fs = <256>;
		simple-audio-card,widgets =
			"Microphone", "Mic Jack",
			"Headphone", "Headphones",
			"Speaker", "Speaker";
		simple-audio-card,routing =
			"MICL", "Mic Jack",
			"Headphones", "HPOL",
			"Headphones", "HPOR",
			"Speaker", "SPKO";

		simple-audio-card,codec {
			sound-dai = <&rk817>;
		};

		simple-audio-card,cpu {
			sound-dai = <&i2s1_2ch>;
		};

Annotation

Implementation Notes