Documentation/devicetree/bindings/usb/generic-ohci.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/usb/generic-ohci.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: USB OHCI Controller Device Tree Bindings
   8
   9 allOf:
  10   - $ref: "usb-hcd.yaml"
  11
  12 maintainers:
  13   - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  14
  15 properties:
  16   compatible:
  17     contains:
  18       const: generic-ohci
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   resets:
  27     minItems: 1
  28     maxItems: 2
  29
  30   clocks:
  31     minItems: 1
  32     maxItems: 3
  33     description: |
  34       In case the Renesas R-Car Gen3 SoCs:
  35         - if a host only channel: first clock should be host.
  36         - if a USB DRD channel: first clock should be host and second
  37           one should be peripheral
  38
  39   big-endian:
  40     $ref: /schemas/types.yaml#/definitions/flag
  41     description:
  42       Set this flag for HCDs with big endian descriptors and big
  43       endian registers.
  44
  45   big-endian-desc:
  46     $ref: /schemas/types.yaml#/definitions/flag
  47     description:
  48       Set this flag for HCDs with big endian descriptors.
  49
  50   big-endian-regs:
  51     $ref: /schemas/types.yaml#/definitions/flag
  52     description:
  53       Set this flag for HCDs with big endian registers.
  54
  55   remote-wakeup-connected:
  56     $ref: /schemas/types.yaml#/definitions/flag
  57     description:
  58       Remote wakeup is wired on the platform.
  59
  60   no-big-frame-no:
  61     $ref: /schemas/types.yaml#/definitions/flag
  62     description:
  63       Set if frame_no lives in bits [15:0] of HCCA
  64
  65   num-ports:
  66     $ref: /schemas/types.yaml#/definitions/uint32
  67     description:
  68       Overrides the detected port count
  69
  70   phys:
  71     description: PHY specifier for the USB PHY
  72
  73   phy-names:
  74     const: usb
  75
  76 required:
  77   - compatible
  78   - reg
  79   - interrupts
  80
  81 additionalProperties: false
  82
  83 examples:
  84   - |
  85       ohci0: usb@1c14400 {
  86           compatible = "allwinner,sun4i-a10-ohci", "generic-ohci";
  87           reg = <0x01c14400 0x100>;
  88           interrupts = <64>;
  89           clocks = <&usb_clk 6>, <&ahb_gates 2>;
  90           phys = <&usbphy 1>;
  91           phy-names = "usb";
  92       };
  93
  94 ...