arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2.dtsi
Extension
.dtsi
Size
7783 bytes
Lines
394
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) 2020 David Bauer <mail@david-bauer.net>
 */

/dts-v1/;

#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include "rk3328.dtsi"

/ {
	aliases {
		ethernet0 = &gmac2io;
		ethernet1 = &rtl8153;
		mmc0 = &sdmmc;
	};

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

	gmac_clk: gmac-clock {
		compatible = "fixed-clock";
		clock-frequency = <125000000>;
		clock-output-names = "gmac_clkin";
		#clock-cells = <0>;
	};

	keys {
		compatible = "gpio-keys";
		pinctrl-0 = <&reset_button_pin>;
		pinctrl-names = "default";

		key-reset {
			label = "reset";
			gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RESTART>;
			debounce-interval = <50>;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-0 = <&lan_led_pin>,  <&sys_led_pin>, <&wan_led_pin>;
		pinctrl-names = "default";

		lan_led: led-0 {
			gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
			label = "nanopi-r2s:green:lan";
		};

		sys_led: led-1 {
			gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
			label = "nanopi-r2s:red:sys";
			default-state = "on";
		};

		wan_led: led-2 {
			gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
			label = "nanopi-r2s:green:wan";
		};
	};

	vcc_io_sdio: regulator-sdmmcio {
		compatible = "regulator-gpio";
		enable-active-high;
		gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;
		pinctrl-0 = <&sdio_vcc_pin>;
		pinctrl-names = "default";

Annotation

Implementation Notes