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