kernel/Documentation/devicetree/bindings/usb/samsung-hsotg.txt

   1 Samsung High Speed USB OTG controller
   2 -----------------------------
   3
   4 The Samsung HSOTG IP can be found on Samsung SoCs, from S3C6400 onwards.
   5 It gives functionality of OTG-compliant USB 2.0 host and device with
   6 support for USB 2.0 high-speed (480Mbps) and full-speed (12 Mbps)
   7 operation.
   8
   9 Currently only device mode is supported.
  10
  11 Binding details
  12 -----
  13
  14 Required properties:
  15 - compatible: "samsung,s3c6400-hsotg" should be used for all currently
  16     supported SoC,
  17 - interrupt-parent: phandle for the interrupt controller to which the
  18     interrupt signal of the HSOTG block is routed,
  19 - interrupts: specifier of interrupt signal of interrupt controller,
  20     according to bindings of interrupt controller,
  21 - clocks: contains an array of clock specifiers:
  22     - first entry: OTG clock
  23 - clock-names: contains array of clock names:
  24     - first entry: must be "otg"
  25 - vusb_d-supply: phandle to voltage regulator of digital section,
  26 - vusb_a-supply: phandle to voltage regulator of analog section.
  27
  28 Example
  29 -----
  30
  31         hsotg@12480000 {
  32                 compatible = "samsung,s3c6400-hsotg";
  33                 reg = <0x12480000 0x20000>;
  34                 interrupts = <0 71 0>;
  35                 clocks = <&clock 305>;
  36                 clock-names = "otg";
  37                 vusb_d-supply = <&vusb_reg>;
  38                 vusb_a-supply = <&vusbdac_reg>;
  39         };
  40