arch/arm/boot/dts/ti/omap/omap3-overo-base.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/omap3-overo-base.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/omap3-overo-base.dtsi
Extension
.dtsi
Size
7278 bytes
Lines
274
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) 2012 Florian Vaussard, EPFL Mobots group
 */

/*
 * The Gumstix Overo must be combined with an expansion board.
 */

/ {

	memory@0 {
		device_type = "memory";
		reg = <0 0>;
	};

	led-controller {
		compatible = "pwm-leds";

		led-1 {
			label = "overo:blue:COM";
			pwms = <&twl_pwmled 1 7812500>;
			max-brightness = <127>;
			linux,default-trigger = "mmc0";
		};
	};

	sound {
		compatible = "ti,omap-twl4030";
		ti,model = "overo";

		ti,mcbsp = <&mcbsp2>;
	};

	/* HS USB Port 2 Power */
	hsusb2_power: hsusb2_power_reg {
		compatible = "regulator-fixed";
		regulator-name = "hsusb2_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio6 8 GPIO_ACTIVE_HIGH>;		/* gpio_168: vbus enable */
		startup-delay-us = <70000>;
		enable-active-high;
	};

	/* HS USB Host PHY on PORT 2 */
	hsusb2_phy: hsusb2-phy-pins {
		compatible = "usb-nop-xceiv";
		reset-gpios = <&gpio6 23 GPIO_ACTIVE_LOW>;	/* gpio_183 */
		vcc-supply = <&hsusb2_power>;
		#phy-cells = <0>;
	};

	/* Regulator to trigger the nPoweron signal of the Wifi module */
	w3cbw003c_npoweron: regulator-w3cbw003c-npoweron {
		compatible = "regulator-fixed";
		regulator-name = "regulator-w3cbw003c-npoweron";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 22 GPIO_ACTIVE_HIGH>;		/* gpio_54: nPoweron */
		enable-active-high;
	};

	/* Regulator to trigger the nReset signal of the Wifi module */
	w3cbw003c_wifi_nreset: regulator-w3cbw003c-wifi-nreset {
		pinctrl-names = "default";
		pinctrl-0 = <&w3cbw003c_pins &w3cbw003c_2_pins>;
		compatible = "regulator-fixed";
		regulator-name = "regulator-w3cbw003c-wifi-nreset";
		regulator-min-microvolt = <3300000>;

Annotation

Implementation Notes