This isn’t an optimal feature because the console version doesn’t support Keyboard or Mouse and such a functionality is built in the PS3 as shown by Unreal Tournament 3. “Similarly, since Diablo III for console was designed with a controller in mind, the PlayStation version of Diablo III will not support USB mice or keyboards.” In terms of allowing an analog controller hookup for the PC, we don’t have any plans for that kind of support right now.

“As a result, the characters on your account and PlayStation account will also remain separate. “While we think cross-platform play would be awesome, there are currently no plans to allow connectivity between PlayStation Network and (this is pretty standard for most games that have PC and console support),” community manager Vaeflare wrote on the Blizzard forums. Diablo 3 has been confirmed to be releasing on the PS3 and PS4, and it also has offline play unlike the PC version, but the console and PC platform audience cannot interact with each other through cross play because that functionality won’t be available, Blizzard has revealed.

Diablo 3 pc controller support?