Documentation/devicetree/bindings/usb/usb-uhci.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/usb/usb-uhci.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Generic Platform UHCI Controller
   8
   9 maintainers:
  10   - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - const: generic-uhci
  16       - const: platform-uhci
  17         deprecated: true
  18       - items:
  19           - enum:
  20               - aspeed,ast2400-uhci
  21               - aspeed,ast2500-uhci
  22               - aspeed,ast2600-uhci
  23           - const: generic-uhci
  24
  25   reg:
  26     maxItems: 1
  27
  28   interrupts:
  29     maxItems: 1
  30
  31   '#ports':
  32     $ref: /schemas/types.yaml#/definitions/uint32
  33
  34   clocks:
  35     maxItems: 1
  36
  37 required:
  38   - compatible
  39   - reg
  40   - interrupts
  41
  42 allOf:
  43   - $ref: usb-hcd.yaml
  44   - if:
  45       properties:
  46         compatible:
  47           contains:
  48             const: generic-uhci
  49     then:
  50       required:
  51         - clocks
  52
  53 unevaluatedProperties: false
  54
  55 examples:
  56   - |
  57     #include <dt-bindings/clock/aspeed-clock.h>
  58
  59     usb@d8007b00 {
  60         compatible = "generic-uhci";
  61         reg = <0xd8007b00 0x200>;
  62         interrupts = <43>;
  63         clocks = <&syscon ASPEED_CLK_GATE_USBUHCICLK>;
  64     };
  65   - |
  66     #include <dt-bindings/clock/aspeed-clock.h>
  67
  68     usb@1e6b0000 {
  69         compatible = "aspeed,ast2500-uhci", "generic-uhci";
  70         reg = <0x1e6b0000 0x100>;
  71         interrupts = <14>;
  72         #ports = <2>;
  73         clocks = <&syscon ASPEED_CLK_GATE_USBUHCICLK>;
  74     };
  75 ...