arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/amlogic/meson-gxbb-kii-pro.dts
Extension
.dts
Size
2751 bytes
Lines
143
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 Mohammad Rasim <mohammad.rasim96@gmail.com>
 */

/dts-v1/;

#include "meson-gxbb-p20x.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/sound/meson-aiu.h>

/ {
	compatible = "videostrong,kii-pro", "amlogic,meson-gxbb";
	model = "Videostrong KII Pro";

	spdif_dit: audio-codec-0 {
		#sound-dai-cells = <0>;
		compatible = "linux,spdif-dit";
		sound-name-prefix = "DIT";
	};

	leds {
		compatible = "gpio-leds";
		led {
			gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_STATUS;
			default-state = "off";
		};
	};

	gpio-keys-polled {
		compatible = "gpio-keys-polled";
		poll-interval = <20>;

		button-reset {
			label = "reset";
			linux,code = <KEY_POWER>;
			gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
		};
	};

	sound {
		compatible = "amlogic,gx-sound-card";
		model = "KII-PRO";
		clocks = <&clkc CLKID_MPLL0>,
			 <&clkc CLKID_MPLL1>,
			 <&clkc CLKID_MPLL2>;

		assigned-clocks = <&clkc CLKID_MPLL0>,
				  <&clkc CLKID_MPLL1>,
				  <&clkc CLKID_MPLL2>;
		assigned-clock-rates = <294912000>,
				       <270950400>,
				       <393216000>;

		dai-link-0 {
			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
		};

		dai-link-1 {
			sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
		};

		dai-link-2 {
			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
			dai-format = "i2s";
			mclk-fs = <256>;

Annotation

Implementation Notes