tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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 - snps,dwc2: A generic DWC2 USB controller with default parameters.
14- reg : Should contain 1 register range (address and length)
15- interrupts : Should contain 1 interrupt
16- clocks: clock provider specifier
17- clock-names: shall be "otg"
18Refer to clk/clock-bindings.txt for generic clock consumer properties
19
20Optional properties:
21- phys: phy provider specifier
22- phy-names: shall be "usb2-phy"
23Refer to phy/phy-bindings.txt for generic phy consumer properties
24- dr_mode: shall be one of "host", "peripheral" and "otg"
25 Refer to usb/generic.txt
26- g-use-dma: enable dma usage in gadget driver.
27- g-rx-fifo-size: size of rx fifo size in gadget mode.
28- g-np-tx-fifo-size: size of non-periodic tx fifo size in gadget mode.
29- g-tx-fifo-size: size of periodic tx fifo per endpoint (except ep0) in gadget mode.
30
31Example:
32
33 usb@101c0000 {
34 compatible = "ralink,rt3050-usb, snps,dwc2";
35 reg = <0x101c0000 40000>;
36 interrupts = <18>;
37 clocks = <&usb_otg_ahb_clk>;
38 clock-names = "otg";
39 phys = <&usbphy>;
40 phy-names = "usb2-phy";
41 };