On Monday 25 January 2016 11:57:37 Peter Chen wrote: > >> > > >> > hub@3 { /* same external hub, highspeed mode */ > >> > compatible = "usb2109,0812.591", > >> > "usb2109,0812", > >> > "usb2109,class9.0.1", > >> > "usb2109,class9.0", > >> > "usb2109,class9"; > >> > > >> > #address-cells = <1>; > >> > #size-cells = <0>; > >> > reg = >; > >> > > >> > >> Why "reg" is 3 here? > > > > My mistake. It should be hub@1 and reg=<1>; > > > > I accidentally confused the port number and the device number. > > I think it should be hub@2 and reg=<0x2>. > According to Alan, we should use xHCI numbering scheme when > describing the ports of an xHCI root hub. For a single-port root hub, that would be right. My PC has two ports, so the first port has reg=<0x1> for SS and reg=<0x3> for HS. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html