Description of IMX6SDL RM of 22.214.171.124 DIV2, PSR and PM Bit Description.
Description of [ NOTE
You must ensure that the bit-clock frequency must be never
greater than 1/5 of the peripheral clock frequency. The
oversampling clock frequency can go up to peripheral clock
This description of "Peripheral clock"are the ssi_clk_root or ipg_clk_root ?