| # 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>; |
| }; |
