It's not yet supported. Cisco doesn't generally publish roadmaps publicly for future support. The best you can do via public sources is to continue to watch the Supported Devices lists for updates.
As of right now, here is a list of the current data center switches supported (in PI 2.1):
Cisco Nexus 6004 Switch
Cisco Nexus 5596T Switch
Cisco Nexus 5010 Switch
Cisco Nexus 5020 Switch
Cisco Nexus 5020T Switch
Cisco Nexus 7000 10-Slot Switch
Cisco Nexus 7000 18-Slot Switch
Cisco Nexus 1000V Series Switches
Cisco Nexus 1010 Virtual Services Appliance
Cisco Nexus 4001I Switch Module for IBM BladeCenter
Cisco Nexus 4005I Switch Module for IBM BladeCenter
Cisco Nexus 5548P Switch
Cisco Nexus 5548UP Switch
Cisco Nexus 5596UP Switch
Cisco Nexus 3064 Switch
Cisco Nexus 3048 Switch
Cisco Nexus 3016 Switch
Cisco Nexus 7000 9-Slot Switch
Cisco Nexus 9500 Switch
Cisco Nexus 3548 Switch