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               - hpe,gxp-ohci
  46               - ibm,476gtr-ohci
  47               - ingenic,jz4740-ohci
  48               - snps,hsdk-v1.0-ohci
  49           - const: generic-ohci
  50       - const: generic-ohci
  51
  52   reg:
  53     maxItems: 1
  54
  55   interrupts:
  56     maxItems: 1
  57
  58   resets:
  59     minItems: 1
  60     maxItems: 2
  61
  62   clocks:
  63     minItems: 1
  64     maxItems: 3
  65     description: |
  66       In case the Renesas R-Car Gen3 SoCs:
  67         - if a host only channel: first clock should be host.
  68         - if a USB DRD channel: first clock should be host and second
  69           one should be peripheral
  70
  71   power-domains:
  72     maxItems: 1
  73
  74   big-endian:
  75     $ref: /schemas/types.yaml#/definitions/flag
  76     description:
  77       Set this flag for HCDs with big endian descriptors and big
  78       endian registers.
  79
  80   big-endian-desc:
  81     $ref: /schemas/types.yaml#/definitions/flag
  82     description:
  83       Set this flag for HCDs with big endian descriptors.
  84
  85   big-endian-regs:
  86     $ref: /schemas/types.yaml#/definitions/flag
  87     description:
  88       Set this flag for HCDs with big endian registers.
  89
  90   remote-wakeup-connected:
  91     $ref: /schemas/types.yaml#/definitions/flag
  92     description:
  93       Remote wakeup is wired on the platform.
  94
  95   no-big-frame-no:
  96     $ref: /schemas/types.yaml#/definitions/flag
  97     description:
  98       Set if frame_no lives in bits [15:0] of HCCA
  99
 100   num-ports:
 101     $ref: /schemas/types.yaml#/definitions/uint32
 102     description:
 103       Overrides the detected port count
 104
 105   phys:
 106     maxItems: 1
 107
 108   phy-names:
 109     const: usb
 110
 111   iommus:
 112     maxItems: 1
 113
 114   dr_mode:
 115     enum:
 116       - host
 117       - otg
 118
 119 required:
 120   - compatible
 121   - reg
 122   - interrupts
 123
 124 additionalProperties: false
 125
 126 examples:
 127   - |
 128       ohci0: usb@1c14400 {
 129           compatible = "allwinner,sun4i-a10-ohci", "generic-ohci";
 130           reg = <0x01c14400 0x100>;
 131           interrupts = <64>;
 132           clocks = <&usb_clk 6>, <&ahb_gates 2>;
 133           phys = <&usbphy 1>;
 134           phy-names = "usb";
 135       };
 136
 137 ...