I am using imx287 EVK board with Linux 2.6.35 and also developing prototype board. On this board we are connecting ADC and there will be no need for audio and LCD pins.
ADC is 24-bit and connection are as follow:
ADC select line (DRDY)- SSP1_DATA3
ADC o/p line (DOUT) - SSP3_MIS0
ADC SCLK - SSP3_ SCK
ADC CS - SSP3_SS0
In one of the blog https://community.nxp.com/message/346045 I seen that SSP1_DATA3 is used as Boot for imx23. Is it same case for imx287?