I'm working on bringing up an AD9695 and I'm having some issues with the clock status register. The data sheet for the AD9695 is rather vague in regard to this bit - is it some PLL locking bit? I've probed the chip pin(s) and we see the correct common-mode and swing for the clock we expect.
If it wasn't clear, all the SPI functionality seems fine. I've poked around other registers without issue. Let me know if there are other registers you recommend trying out.