bindings/usb/aspeed%2Cast2600-udc.yaml

0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 # Copyright (c) 2020 Facebook Inc.
0003 %YAML 1.2
0004 ---
0005 $id: http://devicetree.org/schemas/usb/aspeed,ast2600-udc.yaml#
0006 $schema: http://devicetree.org/meta-schemas/core.yaml#
0007
0008 title: ASPEED USB 2.0 Device Controller
0009
0010 maintainers:
0011   - Neal Liu <neal_liu@aspeedtech.com>
0012
0013 description: |+
0014   The ASPEED USB 2.0 Device Controller implements 1 control endpoint and
0015   4 generic endpoints for AST260x.
0016
0017   Supports independent DMA channel for each generic endpoint.
0018   Supports 32/256 stages descriptor mode for all generic endpoints.
0019
0020 properties:
0021   compatible:
0022     enum:
0023       - aspeed,ast2600-udc
0024
0025   reg:
0026     maxItems: 1
0027
0028   clocks:
0029     maxItems: 1
0030
0031   interrupts:
0032     maxItems: 1
0033
0034 required:
0035   - compatible
0036   - reg
0037   - clocks
0038   - interrupts
0039
0040 additionalProperties: false
0041
0042 examples:
0043   - |
0044     #include <dt-bindings/clock/aspeed-clock.h>
0045     udc: usb@1e6a2000 {
0046         compatible = "aspeed,ast2600-udc";
0047         reg = <0x1e6a2000 0x300>;
0048         interrupts = <9>;
0049         clocks = <&syscon ASPEED_CLK_GATE_USBPORT2CLK>;
0050         pinctrl-names = "default";
0051         pinctrl-0 = <&pinctrl_usb2bd_default>;
0052     };