Controller Compatibility List - nand2mario/nestang GitHub Wiki

Controller	Status	USB vendor/product ID	Reported by	Note
Xbox 360 wireless controller	Working	045E:0719	nand2mario	Connected through Microsoft Xbox 360 Windows Receiver
Playstation Dualshock 2 controller	Working	n/a	nand2mario	Directly connected to the Tang Nano 20K board through Sipeed adapter
Retro Fighters Defender Wireless Gamepad	Working	n/a	siffland	Connected through the included wireless Receiver plugged into the Sipeed adapter

USB vendor/product ID can be checked via usbtreeview on Windows and lsusb -v on Linux.