NanoPi-NEO-usbotg.txt

NanoPi-NEOによるusb-otg(usb0,usb1)のためのカーネルオプションの設定等


（１）make linux-menuconfig(by buildroot)

     Device Drivers
	       --->[*]Network device support
				     --->[*]USB Network Adapters
						         --->[*]Multi-purpose USB Ethernet Adapters
											       --->[*]CDC Ethernet support(smart...)

     
	       --->[*]USB support
                          --->[*]Inventra Highspeed Dual Role Controller(TI..)
                                   MUSB Mode Selection (Dual Roll mode) 
                              
                              [*]Allwinner(sunxi)

                              [*]USB Gadget Support
                                               --->[*]USB Gadget Drivers(Ethernel Gadget(with CDC Ethernet support))
                                                        Ethernet Gadget (with CDC Ethernet support)



（２）sun8i-h3-nanopi-neo.dtbの修正

　　　$ dtc -I dtb sun8i-h3-nanopi-neo.dtb -O dts -o sun8i-h3-nanopi-neo.dts

        usb@01c19000のstatusを"disabled"から"okay"にする。またdr_mode = "otg";を加える。

　　　$ dtc -I dts sun8i-h3-nanopi-neo.dts -O dtb -o sun8i-h3-nanopi-neo.dtb