| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | # Copyright (c) 2020 Facebook Inc. |
| 3 | %YAML 1.2 |
| 4 | --- |
| 5 | $id: http://devicetree.org/schemas/usb/aspeed,ast2600-udc.yaml# |
| 6 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 7 | |
| 8 | title: ASPEED USB 2.0 Device Controller |
| 9 | |
| 10 | maintainers: |
| 11 | - Neal Liu <neal_liu@aspeedtech.com> |
| 12 | |
| 13 | description: |+ |
| 14 | The ASPEED USB 2.0 Device Controller implements 1 control endpoint and |
| 15 | 4 generic endpoints for AST260x. |
| 16 | |
| 17 | Supports independent DMA channel for each generic endpoint. |
| 18 | Supports 32/256 stages descriptor mode for all generic endpoints. |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | enum: |
| 23 | - aspeed,ast2600-udc |
| 24 | |
| 25 | reg: |
| 26 | maxItems: 1 |
| 27 | |
| 28 | clocks: |
| 29 | maxItems: 1 |
| 30 | |
| 31 | interrupts: |
| 32 | maxItems: 1 |
| 33 | |
| 34 | required: |
| 35 | - compatible |
| 36 | - reg |
| 37 | - clocks |
| 38 | - interrupts |
| 39 | |
| 40 | additionalProperties: false |
| 41 | |
| 42 | examples: |
| 43 | - | |
| 44 | #include <dt-bindings/clock/aspeed-clock.h> |
| 45 | udc: usb@1e6a2000 { |
| 46 | compatible = "aspeed,ast2600-udc"; |
| 47 | reg = <0x1e6a2000 0x300>; |
| 48 | interrupts = <9>; |
| 49 | clocks = <&syscon ASPEED_CLK_GATE_USBPORT2CLK>; |
| 50 | pinctrl-names = "default"; |
| 51 | pinctrl-0 = <&pinctrl_usb2bd_default>; |
| 52 | }; |