DRA74: multiple McASPs and sync clock needed

Hello everybody , 

I m using one  McASP  to   BT module  , and BT module is giving the clock do DRA744

now I need  two  more  McASPs  ( for  speakers and mics )  and I need  these  to be synched  to previous clock   to avoid  audio glitches etc .

how can I handle this ?  

any sugguestions ?

regards

Carlo