arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts
Extension
.dts
Size
2776 bytes
Lines
140
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+
/*
 * Device Tree file for the Kontron SMARC-sAL28 board on a SMARC Eval 2.0
 * carrier (ADS2).
 *
 * Copyright (C) 2019 Michael Walle <michael@walle.cc>
 *
 */

/dts-v1/;

#include <dt-bindings/clock/fsl,qoriq-clockgen.h>
#include "fsl-ls1028a-kontron-sl28-var3.dts"

/ {
	model = "Kontron SMARC-sAL28 (Single PHY) on SMARC Eval 2.0 carrier";
	compatible = "kontron,sl28-var3-ads2", "kontron,sl28-var3",
		     "kontron,sl28", "fsl,ls1028a";

	pwm-fan {
		compatible = "pwm-fan";
		#cooling-cells = <2>;
		pwms = <&sl28cpld_pwm0 0 4000000>;
		cooling-levels = <1 128 192 255>;
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	sound {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "simple-audio-card";
		simple-audio-card,widgets =
			"Headphone", "Headphone Jack",
			"Line", "Line Out Jack",
			"Microphone", "Microphone Jack",
			"Line", "Line In Jack";
		simple-audio-card,routing =
			"Line Out Jack", "LINEOUTR",
			"Line Out Jack", "LINEOUTL",
			"Headphone Jack", "HPOUTR",
			"Headphone Jack", "HPOUTL",
			"IN1L", "Line In Jack",
			"IN1R", "Line In Jack",
			"Microphone Jack", "MICBIAS",
			"IN2L", "Microphone Jack",
			"IN2R", "Microphone Jack";
		simple-audio-card,mclk-fs = <256>;

		simple-audio-card,dai-link@0 {
			reg = <0>;
			bitclock-master = <&dailink0_master>;
			frame-master = <&dailink0_master>;
			format = "i2s";

			cpu {
				sound-dai = <&sai6>;
			};

			dailink0_master: codec {
				sound-dai = <&wm8904>;
			};
		};

		simple-audio-card,dai-link@1 {

Annotation

Implementation Notes