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
   8
   9 maintainers:
  10   - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - items:
  16           - enum:
  17               - allwinner,sun4i-a10-ohci
  18               - allwinner,sun50i-a64-ohci
  19               - allwinner,sun50i-h6-ohci
  20               - allwinner,sun50i-h616-ohci
  21               - allwinner,sun5i-a13-ohci
  22               - allwinner,sun6i-a31-ohci
  23               - allwinner,sun7i-a20-ohci
  24               - allwinner,sun8i-a23-ohci
  25               - allwinner,sun8i-a83t-ohci
  26               - allwinner,sun8i-h3-ohci
  27               - allwinner,sun8i-r40-ohci
  28               - allwinner,sun9i-a80-ohci
  29               - allwinner,sun20i-d1-ohci
  30               - brcm,bcm3384-ohci
  31               - brcm,bcm63268-ohci
  32               - brcm,bcm6328-ohci
  33               - brcm,bcm6358-ohci
  34               - brcm,bcm6362-ohci
  35               - brcm,bcm6368-ohci
  36               - brcm,bcm7125-ohci
  37               - brcm,bcm7346-ohci
  38               - brcm,bcm7358-ohci
  39               - brcm,bcm7360-ohci
  40               - brcm,bcm7362-ohci
  41               - brcm,bcm7420-ohci
  42               - brcm,bcm7425-ohci
  43               - brcm,bcm7435-ohci
  44               - hpe,gxp-ohci
  45               - ibm,476gtr-ohci
  46               - ingenic,jz4740-ohci
  47               - snps,hsdk-v1.0-ohci
  48           - const: generic-ohci
  49       - enum:
  50           - generic-ohci
  51           - ti,ohci-omap3
  52       - items:
  53           - enum:
  54               - cavium,octeon-6335-ohci
  55               - nintendo,hollywood-usb-ohci
  56               - nxp,ohci-nxp
  57               - st,spear600-ohci
  58           - const: usb-ohci
  59
  60   reg:
  61     maxItems: 1
  62
  63   interrupts:
  64     maxItems: 1
  65
  66   resets:
  67     minItems: 1
  68     maxItems: 2
  69
  70   clocks:
  71     minItems: 1
  72     maxItems: 3
  73     description: |
  74       In case the Renesas R-Car Gen3 SoCs:
  75         - if a host only channel: first clock should be host.
  76         - if a USB DRD channel: first clock should be host and second
  77           one should be peripheral
  78
  79   power-domains:
  80     maxItems: 1
  81
  82   big-endian:
  83     $ref: /schemas/types.yaml#/definitions/flag
  84     description:
  85       Set this flag for HCDs with big endian descriptors and big
  86       endian registers.
  87
  88   big-endian-desc:
  89     $ref: /schemas/types.yaml#/definitions/flag
  90     description:
  91       Set this flag for HCDs with big endian descriptors.
  92
  93   big-endian-regs:
  94     $ref: /schemas/types.yaml#/definitions/flag
  95     description:
  96       Set this flag for HCDs with big endian registers.
  97
  98   remote-wakeup-connected:
  99     $ref: /schemas/types.yaml#/definitions/flag
 100     description:
 101       Remote wakeup is wired on the platform.
 102
 103   no-big-frame-no:
 104     $ref: /schemas/types.yaml#/definitions/flag
 105     description:
 106       Set if frame_no lives in bits [15:0] of HCCA
 107
 108   num-ports:
 109     $ref: /schemas/types.yaml#/definitions/uint32
 110     description:
 111       Overrides the detected port count
 112
 113   phys:
 114     minItems: 1
 115     maxItems: 3
 116
 117   phy-names:
 118     const: usb
 119
 120   iommus:
 121     maxItems: 1
 122
 123   dr_mode:
 124     enum:
 125       - host
 126       - otg
 127
 128   transceiver:
 129     $ref: /schemas/types.yaml#/definitions/phandle
 130     description:
 131       The associated ISP1301 device. Necessary for the UDC controller for
 132       connecting to the USB physical layer.
 133
 134 required:
 135   - compatible
 136   - reg
 137   - interrupts
 138
 139 allOf:
 140   - $ref: usb-hcd.yaml
 141   - if:
 142       not:
 143         properties:
 144           compatible:
 145             contains:
 146               const: nxp,ohci-nxp
 147     then:
 148       properties:
 149         transceiver: false
 150
 151 unevaluatedProperties: false
 152
 153 examples:
 154   - |
 155       ohci0: usb@1c14400 {
 156           compatible = "allwinner,sun4i-a10-ohci", "generic-ohci";
 157           reg = <0x01c14400 0x100>;
 158           interrupts = <64>;
 159           clocks = <&usb_clk 6>, <&ahb_gates 2>;
 160           phys = <&usbphy 1>;
 161           phy-names = "usb";
 162       };
 163
 164 ...