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     oneOf:
  18       - items:
  19           - enum:
  20               - allwinner,sun4i-a10-ohci
  21               - allwinner,sun50i-a64-ohci
  22               - allwinner,sun50i-h6-ohci
  23               - allwinner,sun5i-a13-ohci
  24               - allwinner,sun6i-a31-ohci
  25               - allwinner,sun7i-a20-ohci
  26               - allwinner,sun8i-a23-ohci
  27               - allwinner,sun8i-a83t-ohci
  28               - allwinner,sun8i-h3-ohci
  29               - allwinner,sun8i-r40-ohci
  30               - allwinner,sun9i-a80-ohci
  31               - brcm,bcm3384-ohci
  32               - brcm,bcm63268-ohci
  33               - brcm,bcm6328-ohci
  34               - brcm,bcm6358-ohci
  35               - brcm,bcm6362-ohci
  36               - brcm,bcm6368-ohci
  37               - brcm,bcm7125-ohci
  38               - brcm,bcm7346-ohci
  39               - brcm,bcm7358-ohci
  40               - brcm,bcm7360-ohci
  41               - brcm,bcm7362-ohci
  42               - brcm,bcm7420-ohci
  43               - brcm,bcm7425-ohci
  44               - brcm,bcm7435-ohci
  45               - ibm,476gtr-ohci
  46               - ingenic,jz4740-ohci
  47               - snps,hsdk-v1.0-ohci
  48           - const: generic-ohci
  49       - const: generic-ohci
  50
  51   reg:
  52     maxItems: 1
  53
  54   interrupts:
  55     maxItems: 1
  56
  57   resets:
  58     minItems: 1
  59     maxItems: 2
  60
  61   clocks:
  62     minItems: 1
  63     maxItems: 3
  64     description: |
  65       In case the Renesas R-Car Gen3 SoCs:
  66         - if a host only channel: first clock should be host.
  67         - if a USB DRD channel: first clock should be host and second
  68           one should be peripheral
  69
  70   power-domains:
  71     maxItems: 1
  72
  73   big-endian:
  74     $ref: /schemas/types.yaml#/definitions/flag
  75     description:
  76       Set this flag for HCDs with big endian descriptors and big
  77       endian registers.
  78
  79   big-endian-desc:
  80     $ref: /schemas/types.yaml#/definitions/flag
  81     description:
  82       Set this flag for HCDs with big endian descriptors.
  83
  84   big-endian-regs:
  85     $ref: /schemas/types.yaml#/definitions/flag
  86     description:
  87       Set this flag for HCDs with big endian registers.
  88
  89   remote-wakeup-connected:
  90     $ref: /schemas/types.yaml#/definitions/flag
  91     description:
  92       Remote wakeup is wired on the platform.
  93
  94   no-big-frame-no:
  95     $ref: /schemas/types.yaml#/definitions/flag
  96     description:
  97       Set if frame_no lives in bits [15:0] of HCCA
  98
  99   num-ports:
 100     $ref: /schemas/types.yaml#/definitions/uint32
 101     description:
 102       Overrides the detected port count
 103
 104   phys:
 105     maxItems: 1
 106
 107   phy-names:
 108     const: usb
 109
 110   iommus:
 111     maxItems: 1
 112
 113   dr_mode:
 114     enum:
 115       - host
 116       - otg
 117
 118 required:
 119   - compatible
 120   - reg
 121   - interrupts
 122
 123 additionalProperties: false
 124
 125 examples:
 126   - |
 127       ohci0: usb@1c14400 {
 128           compatible = "allwinner,sun4i-a10-ohci", "generic-ohci";
 129           reg = <0x01c14400 0x100>;
 130           interrupts = <64>;
 131           clocks = <&usb_clk 6>, <&ahb_gates 2>;
 132           phys = <&usbphy 1>;
 133           phy-names = "usb";
 134       };
 135
 136 ...