arch/arm/boot/dts/ti/omap/am335x-cm-t335.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/am335x-cm-t335.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/am335x-cm-t335.dts
Extension
.dts
Size
13814 bytes
Lines
515
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
/*
 * am335x-cm-t335.dts - Device Tree file for Compulab CM-T335
 *
 * Copyright (C) 2014 - 2015 CompuLab Ltd. - https://www.compulab.co.il/
 */

/dts-v1/;

#include "am33xx.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "CompuLab CM-T335";
	compatible = "compulab,cm-t335", "ti,am33xx";

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x8000000>;	/* 128 MB */
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&gpio_led_pins>;
		led0 {
			label = "cm_t335:green";
			gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;	/* gpio2_0 */
			linux,default-trigger = "heartbeat";
		};
	};

	/* regulator for mmc */
	vmmc_fixed: fixedregulator0 {
		compatible = "regulator-fixed";
		regulator-name = "vmmc_fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	/* Regulator for WiFi */
	vwlan_fixed: fixedregulator2 {
		compatible = "regulator-fixed";
		regulator-name = "vwlan_fixed";
		gpio = <&gpio0 20 GPIO_ACTIVE_HIGH>; /* gpio0_20 */
		enable-active-high;
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&ecap0 0 50000 0>;
		brightness-levels = <0 51 53 56 62 75 101 152 255>;
		default-brightness-level = <8>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "cm-t335";

		simple-audio-card,widgets =
			"Microphone", "Mic Jack",
			"Line", "Line In",
			"Headphone", "Headphone Jack";

		simple-audio-card,routing =
			"Headphone Jack", "LHPOUT",
			"Headphone Jack", "RHPOUT",
			"LLINEIN", "Line In",
			"RLINEIN", "Line In",
			"MICIN", "Mic Jack";

Annotation

Implementation Notes