mx53 cspi clk source

[pensive]

how to use Low-Frequency Reference Clock for cspi . CSPI_PERIODREG=0x8000 is not

[igorpadykov]

Hi peng

CSPI_PERIODREG is used for clock defining pause beteween data transfers.

CSPI data transfer clocks are defined using ECSPIx_CONREG dividers

and CCM ECSPI_CLK_ROOT, check Figure 18-2. CCM Clock Tree

i.MX53 Reference Manual (rev.2.1  6/2012)

http://www.freescale.com/files/32bit/doc/ref_manual/iMX53RM.pdf

Best regards

chip

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