Documentation/devicetree/bindings/usb/dwc2.txt

   1 Platform DesignWare HS OTG USB 2.0 controller
   2 -----------------------------------------------------
   3
   4 Required properties:
   5 - compatible : One of:
   6   - brcm,bcm2835-usb: The DWC2 USB controller instance in the BCM2835 SoC.
   7   - hisilicon,hi6220-usb: The DWC2 USB controller instance in the hi6220 SoC.
   8   - rockchip,rk3066-usb: The DWC2 USB controller instance in the rk3066 Soc;
   9   - "rockchip,rk3188-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3188 Soc;
  10   - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;
  11   - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs;
  12   - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs;
  13   - "amlogic,meson8b-usb": The DWC2 USB controller instance in Amlogic Meson8b SoCs;
  14   - "amlogic,meson-gxbb-usb": The DWC2 USB controller instance in Amlogic S905 SoCs;
  15   - snps,dwc2: A generic DWC2 USB controller with default parameters.
  16 - reg : Should contain 1 register range (address and length)
  17 - interrupts : Should contain 1 interrupt
  18 - clocks: clock provider specifier
  19 - clock-names: shall be "otg"
  20 Refer to clk/clock-bindings.txt for generic clock consumer properties
  21
  22 Optional properties:
  23 - phys: phy provider specifier
  24 - phy-names: shall be "usb2-phy"
  25 Refer to phy/phy-bindings.txt for generic phy consumer properties
  26 - dr_mode: shall be one of "host", "peripheral" and "otg"
  27   Refer to usb/generic.txt
  28 - g-use-dma: enable dma usage in gadget driver.
  29 - g-rx-fifo-size: size of rx fifo size in gadget mode.
  30 - g-np-tx-fifo-size: size of non-periodic tx fifo size in gadget mode.
  31 - g-tx-fifo-size: size of periodic tx fifo per endpoint (except ep0) in gadget mode.
  32
  33 Example:
  34
  35         usb@101c0000 {
  36                 compatible = "ralink,rt3050-usb, snps,dwc2";
  37                 reg = <0x101c0000 40000>;
  38                 interrupts = <18>;
  39                 clocks = <&usb_otg_ahb_clk>;
  40                 clock-names = "otg";
  41                 phys = <&usbphy>;
  42                 phy-names = "usb2-phy";
  43         };