arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2pro.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2pro.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2pro.dts
Extension
.dts
Size
4397 bytes
Lines
170
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+
/*
 * Copyright 2021 Collabora Ltd.
 * Copyright 2021 BSH Hausgeraete GmbH
 */

/dts-v1/;

#include "imx8mn-bsh-smm-s2-common.dtsi"
#include <dt-bindings/sound/tlv320aic31xx.h>

/ {
	model = "BSH SMM S2 PRO";
	compatible = "bsh,imx8mn-bsh-smm-s2pro", "fsl,imx8mn";

	memory@40000000 {
		device_type = "memory";
		reg = <0x0 0x40000000 0x0 0x20000000>;
	};

	sound-tlv320aic31xx {
		compatible = "fsl,imx-audio-tlv320aic31xx";
		model = "tlv320aic31xx-hifi";
		audio-cpu = <&sai3>;
		audio-codec = <&tlv320dac3101>;
		audio-asrc = <&easrc>;
		audio-routing =
			"Ext Spk", "SPL",
			"Ext Spk", "SPR";
		mclk-id = <PLL_CLKIN_BCLK>;
	};

	vdd_input: vdd_input {
		compatible = "regulator-fixed";
		regulator-name = "vdd_input";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};
};

&easrc {
	fsl,asrc-rate = <48000>;
	fsl,asrc-format = <10>;
	status = "okay";
};

&i2c2 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	tlv320dac3101: audio-codec@18 {
		compatible = "ti,tlv320dac3101";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_dac_rst>;
		reg = <0x18>;
		#sound-dai-cells = <0>;
		HPVDD-supply = <&buck4_reg>;
		SPRVDD-supply = <&vdd_input>;
		SPLVDD-supply = <&vdd_input>;
		AVDD-supply = <&buck4_reg>;
		IOVDD-supply = <&buck4_reg>;
		DVDD-supply = <&buck5_reg>;
		reset-gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
		ai31xx-micbias-vg = <MICBIAS_AVDDV>;
	};
};

&sai3 {

Annotation

Implementation Notes