Have reference or how to do Sony IMX214 CSI camera driver porting for TK1?

I try to porting the Sony IMX214 CSI camera driver for TK1.
But I am not know well about TK1, still study now.
Below are my issues:
How to enable the CAM power supply rail?
How to enable/control Camera/CSI ?
How to check the Camera/CSI normal work or not?
How to enable, control and check VI?
What I lost? or I need to know?

thanks everyone.

Due to Internet issue, post same issue many times.
please, use below link for this issue discussion.