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   power-domains:
  40     maxItems: 1
  41
  42   big-endian:
  43     $ref: /schemas/types.yaml#/definitions/flag
  44     description:
  45       Set this flag for HCDs with big endian descriptors and big
  46       endian registers.
  47
  48   big-endian-desc:
  49     $ref: /schemas/types.yaml#/definitions/flag
  50     description:
  51       Set this flag for HCDs with big endian descriptors.
  52
  53   big-endian-regs:
  54     $ref: /schemas/types.yaml#/definitions/flag
  55     description:
  56       Set this flag for HCDs with big endian registers.
  57
  58   remote-wakeup-connected:
  59     $ref: /schemas/types.yaml#/definitions/flag
  60     description:
  61       Remote wakeup is wired on the platform.
  62
  63   no-big-frame-no:
  64     $ref: /schemas/types.yaml#/definitions/flag
  65     description:
  66       Set if frame_no lives in bits [15:0] of HCCA
  67
  68   num-ports:
  69     $ref: /schemas/types.yaml#/definitions/uint32
  70     description:
  71       Overrides the detected port count
  72
  73   phys:
  74     description: PHY specifier for the USB PHY
  75
  76   phy-names:
  77     const: usb
  78
  79   iommus:
  80     maxItems: 1
  81
  82 required:
  83   - compatible
  84   - reg
  85   - interrupts
  86
  87 additionalProperties: false
  88
  89 examples:
  90   - |
  91       ohci0: usb@1c14400 {
  92           compatible = "allwinner,sun4i-a10-ohci", "generic-ohci";
  93           reg = <0x01c14400 0x100>;
  94           interrupts = <64>;
  95           clocks = <&usb_clk 6>, <&ahb_gates 2>;
  96           phys = <&usbphy 1>;
  97           phy-names = "usb";
  98       };
  99
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