Digital PTZ from 4k camera with ATEM?

I’m wondering if there are any higher resolution cameras that would provide a digital PTZ capability feeding 1080p to the ATEM mini? I see a “zoom” control in the ATEM software for the BMDPCC4k, is that a digital zoom or does it control a zoom lens? And does the joystick perform pan and tilt?

Any Mirrorless full frame cameras that have an easy way of remotely controlling a digital 1080p PTZ “subframe” output?

Thanks!
Mark