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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/atmel,at91sam9rl-udc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Atmel High-Speed USB Device Controller (USBA)
maintainers:
- Nicolas Ferre <nicolas.ferre@microchip.com>
- Alexandre Belloni <alexandre.belloni@bootlin.com>
description:
The Atmel High-Speed USB Device Controller (USBA) provides USB 2.0
high-speed gadget functionality on several Atmel and Microchip SoCs.
The controller requires a peripheral clock and a host clock for operation
and may optionally use a GPIO to detect VBUS presence.
properties:
compatible:
oneOf:
- enum:
- atmel,at91sam9rl-udc
- atmel,at91sam9g45-udc
- atmel,sama5d3-udc
- items:
- const: microchip,lan9662-udc
- const: atmel,sama5d3-udc
- const: microchip,sam9x60-udc
reg:
maxItems: 2
interrupts:
maxItems: 1
clocks:
maxItems: 2
clock-names:
minItems: 2
maxItems: 2
items:
enum: [pclk, hclk]
atmel,vbus-gpio:
description: GPIO used to detect the presence of VBUS, indicating that
the USB cable is connected.
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/at91.h>
#include <dt-bindings/gpio/gpio.h>
gadget@fff78000 {
compatible = "atmel,at91sam9g45-udc";
reg = <0x00600000 0x80000
0xfff78000 0x400>;
interrupts = <27 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 27>, <&pmc PMC_TYPE_CORE PMC_UTMI>;
clock-names = "pclk", "hclk";
atmel,vbus-gpio = <&pioC 15 GPIO_ACTIVE_HIGH>;
};
...
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