arch/arm/boot/dts/microchip/at91-tse850-3.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-tse850-3.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-tse850-3.dts
Extension
.dts
Size
6786 bytes
Lines
363
Domain
Architecture Layer
Bucket
arch/arm
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-later
/*
 * at91-tse850-3.dts - Device Tree file for the Axentia TSE-850 3.0 board
 *
 * Copyright (C) 2017 Axentia Technologies AB
 *
 * Author: Peter Rosin <peda@axentia.se>
 */
/dts-v1/;
#include <dt-bindings/pwm/pwm.h>
#include "at91-linea.dtsi"

/ {
	model = "Axentia TSE-850 3.0";
	compatible = "axentia,tse850v3", "axentia,linea",
		     "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";

	sck: oscillator {
		compatible = "fixed-clock";

		#clock-cells = <0>;
		clock-frequency = <16000000>;
		clock-output-names = "sck";
	};

	reg_3v3: regulator {
		compatible = "regulator-fixed";

		regulator-name = "3v3-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	ana: reg-ana {
		compatible = "pwm-regulator";

		regulator-name = "ANA";

		pwms = <&pwm0 2 1000 PWM_POLARITY_INVERTED>;
		pwm-dutycycle-unit = <1000>;
		pwm-dutycycle-range = <100 1000>;

		regulator-min-microvolt = <2000000>;
		regulator-max-microvolt = <20000000>;
		regulator-ramp-delay = <1000>;
	};

	sound {
		compatible = "axentia,tse850-pcm5142";

		axentia,cpu-dai = <&ssc0>;
		axentia,audio-codec = <&pcm5142>;

		axentia,add-gpios = <&pioA 8 GPIO_ACTIVE_LOW>;
		axentia,loop1-gpios = <&pioA 10 GPIO_ACTIVE_LOW>;
		axentia,loop2-gpios = <&pioA 11 GPIO_ACTIVE_LOW>;

		axentia,ana-supply = <&ana>;
	};

	dac: dpot-dac {
		compatible = "dpot-dac";
		vref-supply = <&reg_3v3>;
		io-channels = <&dpot 0>;
		io-channel-names = "dpot";
		#io-channel-cells = <1>;
	};

	env_det: envelope-detector {
		compatible = "axentia,tse850-envelope-detector";

Annotation

Implementation Notes