Bindings/usb/aspeed,ast2600-udc.yaml

   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     };