arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
Extension
.dts
Size
6201 bytes
Lines
393
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)
/*
 * Device Tree file for NXP LS1028A QDS Board.
 *
 * Copyright 2018 NXP
 *
 * Harninder Rai <harninder.rai@nxp.com>
 *
 */

/dts-v1/;

#include "fsl-ls1028a.dtsi"

/ {
	model = "LS1028A QDS Board";
	compatible = "fsl,ls1028a-qds", "fsl,ls1028a";

	aliases {
		crypto = &crypto;
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		serial0 = &duart0;
		serial1 = &duart1;
		mmc0 = &esdhc;
		mmc1 = &esdhc1;
		rtc1 = &ftm_alarm1;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x1 0x00000000>;
	};

	sys_mclk: clock-mclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
	};

	reg_1p8v: regulator-1p8v {
		compatible = "regulator-fixed";
		regulator-name = "1P8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-always-on;
	};

	sb_3v3: regulator-sb3v3 {
		compatible = "regulator-fixed";
		regulator-name = "3v3_vbus";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,format = "i2s";
		simple-audio-card,widgets =
			"Microphone", "Microphone Jack",
			"Headphone", "Headphone Jack",
			"Speaker", "Speaker Ext",
			"Line", "Line In Jack";

Annotation

Implementation Notes