tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1Platform DesignWare HS OTG USB 2.0 controller
2-----------------------------------------------------
3
4Required 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,meson8-usb": The DWC2 USB controller instance in Amlogic Meson8 SoCs;
14 - "amlogic,meson8b-usb": The DWC2 USB controller instance in Amlogic Meson8b SoCs;
15 - "amlogic,meson-gxbb-usb": The DWC2 USB controller instance in Amlogic S905 SoCs;
16 - "amcc,dwc-otg": The DWC2 USB controller instance in AMCC Canyonlands 460EX SoCs;
17 - snps,dwc2: A generic DWC2 USB controller with default parameters.
18 - "st,stm32f4x9-fsotg": The DWC2 USB FS/HS controller instance in STM32F4x9 SoCs
19 configured in FS mode;
20 - "st,stm32f4x9-hsotg": The DWC2 USB HS controller instance in STM32F4x9 SoCs
21 configured in HS mode;
22 - "st,stm32f7-hsotg": The DWC2 USB HS controller instance in STM32F7 SoCs
23 configured in HS mode;
24- reg : Should contain 1 register range (address and length)
25- interrupts : Should contain 1 interrupt
26- clocks: clock provider specifier
27- clock-names: shall be "otg"
28Refer to clk/clock-bindings.txt for generic clock consumer properties
29
30Optional properties:
31- phys: phy provider specifier
32- phy-names: shall be "usb2-phy"
33Refer to phy/phy-bindings.txt for generic phy consumer properties
34- dr_mode: shall be one of "host", "peripheral" and "otg"
35 Refer to usb/generic.txt
36- g-rx-fifo-size: size of rx fifo size in gadget mode.
37- g-np-tx-fifo-size: size of non-periodic tx fifo size in gadget mode.
38- g-tx-fifo-size: size of periodic tx fifo per endpoint (except ep0) in gadget mode.
39
40Deprecated properties:
41- g-use-dma: gadget DMA mode is automatically detected
42
43Example:
44
45 usb@101c0000 {
46 compatible = "ralink,rt3050-usb, snps,dwc2";
47 reg = <0x101c0000 40000>;
48 interrupts = <18>;
49 clocks = <&usb_otg_ahb_clk>;
50 clock-names = "otg";
51 phys = <&usbphy>;
52 phy-names = "usb2-phy";
53 };