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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (c) 2020 Facebook Inc.
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/aspeed,ast2600-udc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: ASPEED USB 2.0 Device Controller
maintainers:
- Neal Liu <neal_liu@aspeedtech.com>
description: |+
The ASPEED USB 2.0 Device Controller implements 1 control endpoint and
4 generic endpoints for AST260x.
Supports independent DMA channel for each generic endpoint.
Supports 32/256 stages descriptor mode for all generic endpoints.
properties:
compatible:
enum:
- aspeed,ast2600-udc
reg:
maxItems: 1
clocks:
maxItems: 1
interrupts:
maxItems: 1
required:
- compatible
- reg
- clocks
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/aspeed-clock.h>
udc: usb@1e6a2000 {
compatible = "aspeed,ast2600-udc";
reg = <0x1e6a2000 0x300>;
interrupts = <9>;
clocks = <&syscon ASPEED_CLK_GATE_USBPORT2CLK>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb2bd_default>;
};
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