arch/arm/boot/dts/ti/omap/am335x-wega.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/am335x-wega.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/am335x-wega.dtsi
Extension
.dtsi
Size
5862 bytes
Lines
210
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-only
/*
 * Copyright (C) 2015 Phytec Messtechnik GmbH
 * Author: Teresa Remmet <t.remmet@phytec.de>
 */

/ {
	model = "Phytec AM335x phyBOARD-WEGA";
	compatible = "phytec,am335x-wega", "phytec,am335x-phycore-som", "ti,am33xx";

	sound: sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "snd-wega";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&sound_iface_main>;
		simple-audio-card,frame-master = <&sound_iface_main>;
		simple-audio-card,mclk-fs = <512>;
		simple-audio-card,widgets =
					"Line", "Line In",
					"Line", "Line Out",
					"Speaker", "Speaker";
		simple-audio-card,routing =
					"Line Out", "LLOUT",
					"Line Out", "RLOUT",
					"Speaker", "SPOP",
					"Speaker", "SPOM",
					"LINE1L", "Line In",
					"LINE1R", "Line In";

		sound_iface_main: simple-audio-card,cpu {
			sound-dai = <&mcasp0>;
		};

		simple-audio-card,codec {
			sound-dai = <&tlv320aic3007>;
		};

	};

	vcc3v3: fixedregulator1 {
		compatible = "regulator-fixed";
		regulator-name = "vcc3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
	};
};

/* Audio */
&am33xx_pinmux {
	mcasp0_pins: pinmux-mcasp0-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_INPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_INPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR0, PIN_INPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR1, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
		>;
	};
};

&i2c0 {
	tlv320aic3007: tlv320aic3007@18 {
		#sound-dai-cells = <0>;
		compatible = "ti,tlv320aic3007";
		reg = <0x18>;
		AVDD-supply = <&vcc3v3>;
		IOVDD-supply = <&vcc3v3>;
		DRVDD-supply = <&vcc3v3>;
		DVDD-supply = <&vdig1_reg>;

Annotation

Implementation Notes