xref: /OK3568_Linux_fs/u-boot/doc/device-tree-bindings/usb/dwc2.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunPlatform DesignWare HS OTG USB 2.0 controller
2*4882a593Smuzhiyun-----------------------------------------------------
3*4882a593Smuzhiyun
4*4882a593SmuzhiyunRequired properties:
5*4882a593Smuzhiyun- compatible : One of:
6*4882a593Smuzhiyun  - brcm,bcm2835-usb: The DWC2 USB controller instance in the BCM2835 SoC.
7*4882a593Smuzhiyun  - hisilicon,hi6220-usb: The DWC2 USB controller instance in the hi6220 SoC.
8*4882a593Smuzhiyun  - rockchip,rk3066-usb: The DWC2 USB controller instance in the rk3066 Soc;
9*4882a593Smuzhiyun  - "rockchip,px30-usb", "rockchip,rk3066-usb", "snps,dwc2": for px30 Soc;
10*4882a593Smuzhiyun  - "rockchip,rk3188-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3188 Soc;
11*4882a593Smuzhiyun  - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;
12*4882a593Smuzhiyun  - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs;
13*4882a593Smuzhiyun  - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs;
14*4882a593Smuzhiyun  - "amlogic,meson8-usb": The DWC2 USB controller instance in Amlogic Meson8 SoCs;
15*4882a593Smuzhiyun  - "amlogic,meson8b-usb": The DWC2 USB controller instance in Amlogic Meson8b SoCs;
16*4882a593Smuzhiyun  - "amlogic,meson-gxbb-usb": The DWC2 USB controller instance in Amlogic S905 SoCs;
17*4882a593Smuzhiyun  - "amcc,dwc-otg": The DWC2 USB controller instance in AMCC Canyonlands 460EX SoCs;
18*4882a593Smuzhiyun  - snps,dwc2: A generic DWC2 USB controller with default parameters.
19*4882a593Smuzhiyun  - "st,stm32f4x9-fsotg": The DWC2 USB FS/HS controller instance in STM32F4x9 SoCs
20*4882a593Smuzhiyun  configured in FS mode;
21*4882a593Smuzhiyun  - "st,stm32f4x9-hsotg": The DWC2 USB HS controller instance in STM32F4x9 SoCs
22*4882a593Smuzhiyun  configured in HS mode;
23*4882a593Smuzhiyun  - "st,stm32f7-hsotg": The DWC2 USB HS controller instance in STM32F7 SoCs
24*4882a593Smuzhiyun    configured in HS mode;
25*4882a593Smuzhiyun- reg : Should contain 1 register range (address and length)
26*4882a593Smuzhiyun- interrupts : Should contain 1 interrupt
27*4882a593Smuzhiyun- clocks: clock provider specifier
28*4882a593Smuzhiyun- clock-names: shall be "otg"
29*4882a593SmuzhiyunRefer to clk/clock-bindings.txt for generic clock consumer properties
30*4882a593Smuzhiyun
31*4882a593SmuzhiyunOptional properties:
32*4882a593Smuzhiyun- phys: phy provider specifier
33*4882a593Smuzhiyun- phy-names: shall be "usb2-phy"
34*4882a593SmuzhiyunRefer to phy/phy-bindings.txt for generic phy consumer properties
35*4882a593Smuzhiyun- dr_mode: shall be one of "host", "peripheral" and "otg"
36*4882a593Smuzhiyun  Refer to usb/generic.txt
37*4882a593Smuzhiyun- g-rx-fifo-size: size of rx fifo size in gadget mode.
38*4882a593Smuzhiyun- g-np-tx-fifo-size: size of non-periodic tx fifo size in gadget mode.
39*4882a593Smuzhiyun- g-tx-fifo-size: size of periodic tx fifo per endpoint (except ep0) in gadget mode.
40*4882a593Smuzhiyun- usb33d-supply: external VBUS and ID sensing comparators supply, in order to
41*4882a593Smuzhiyun  perform OTG operation, used on STM32MP1 SoCs.
42*4882a593Smuzhiyun- u-boot,force-b-session-valid: force B-peripheral session instead of relying on
43*4882a593Smuzhiyun  VBUS sensing (only valid when dr_mode = "peripheral" and for u-boot).
44*4882a593Smuzhiyun
45*4882a593SmuzhiyunDeprecated properties:
46*4882a593Smuzhiyun- g-use-dma: gadget DMA mode is automatically detected
47*4882a593Smuzhiyun
48*4882a593SmuzhiyunExample:
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun        usb@101c0000 {
51*4882a593Smuzhiyun                compatible = "ralink,rt3050-usb, snps,dwc2";
52*4882a593Smuzhiyun                reg = <0x101c0000 40000>;
53*4882a593Smuzhiyun                interrupts = <18>;
54*4882a593Smuzhiyun		clocks = <&usb_otg_ahb_clk>;
55*4882a593Smuzhiyun		clock-names = "otg";
56*4882a593Smuzhiyun		phys = <&usbphy>;
57*4882a593Smuzhiyun		phy-names = "usb2-phy";
58*4882a593Smuzhiyun        };
59