I want to know whether 1080P30 video by 2 channels MIPI is doable or not? my total bandwidth requirement is around 1.6Gbs when it divided by two it is around 0.8Gbs per channel.
do you mean mipi 2-lane mode? if yes, refer to the mx6 Reference Manual:
The maximum bandwidth of the interface is as follows:
• 200Mhz for 4 data lanes configuration (800Mbps/lane, 400MByte/sec)
• 187.5Mhz for 3 data lanes configuration (1000Mbps/lane, 375MByte/sec)
• 125Mhz for 2 data lanes configuration (1000Mbps/lane, 250MByte/sec )
• 62.5Mhz for 1 data lane configuration (1000Mbps/lane, 125Mbyte/sec)
if you use 1080p30, the minimum bandwidth is 84Mhz/lane, so couldnt support is, for more detailed information, pls refer to the chapter 37.1.2.1.1 Camera Ports of mx6q Reference Manual.
http://www.nxp.com/assets/documents/data/en/reference-manuals/IMX6DQRM.pdf