The first configuration(with RAW8) looks fine to me you can go ahead and configure CX3.
For the second configuration I checked it on the latest CX3 config tool, CSI clock limit as shown by the tool is MIN: 155.52. I am attaching the screenshot of the config tool.
Please update the tool to FX3SDK 1.3.4 and then try.
Thanks & Regards
CX3_config.PNG 34.4 K