arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtsi
Extension
.dtsi
Size
4426 bytes
Lines
190
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-later OR MIT)
/*
 * Copyright (C) 2025 PHYTEC Messtechnik GmbH
 */

#include <dt-bindings/clock/imx8mm-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include "imx8mm-pinfunc.h"

&{/} {
	backlight: backlight {
		compatible = "pwm-backlight";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_lcd>;
		power-supply = <&reg_vdd_3v3_s>;
		status = "disabled";
	};

	panel: panel {
		backlight = <&backlight>;
		power-supply = <&reg_vcc_3v3>;
		status = "disabled";

		port {
			panel_in: endpoint {
				remote-endpoint = <&bridge_out>;
			};
		};
	};

	reg_sound_1v8: regulator-1v8 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_1V8_Audio";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
	};

	reg_sound_3v3: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_3V3_Analog";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	sound-peb-av-10 {
		compatible = "simple-audio-card";
		simple-audio-card,name = "snd-peb-av-10";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&dailink_master>;
		simple-audio-card,frame-master = <&dailink_master>;
		simple-audio-card,mclk-fs = <32>;
		simple-audio-card,widgets =
			"Line", "Line In",
			"Speaker", "Speaker",
			"Microphone", "Microphone Jack",
			"Headphone", "Headphone Jack";
		simple-audio-card,routing =
			"Speaker", "SPOP",
			"Speaker", "SPOM",
			"Headphone Jack", "HPLOUT",
			"Headphone Jack", "HPROUT",
			"LINE1L", "Line In",
			"LINE1R", "Line In",
			"MIC3R", "Microphone Jack",
			"Microphone Jack", "Mic Bias";

		simple-audio-card,cpu {
			sound-dai = <&sai5>;
		};

Annotation

Implementation Notes