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1Generic USB Device Properties 2 3Usually, we only use device tree for hard wired USB device. 4The reference binding doc is from: 5http://www.firmware.org/1275/bindings/usb/usb-1_0.ps 6 7Required properties: 8- compatible: usbVID,PID. The textual representation of VID, PID shall 9 be in lower case hexadecimal with leading zeroes suppressed. The 10 other compatible strings from the above standard binding could also 11 be used, but a device adhering to this binding may leave out all except 12 for usbVID,PID. 13- reg: the port number which this device is connecting to, the range 14 is 1-31. 15 16Example: 17 18&usb1 { 19 status = "okay"; 20 21 #address-cells = <1>; 22 #size-cells = <0>; 23 24 hub: genesys@1 { 25 compatible = "usb5e3,608"; 26 reg = <1>; 27 }; 28}