Hi 心刚王
one needs to select appropriate pll as source for
"emi_slow_clk" and reprogram it with necessary value,
please check Figure 18-2. Clock Tree IMX6DQRM
Note there are restricitions on max. EIM frequency given in
sect.4.9.3 External Interface Module (EIM) IMX6DQCEC
Best regards
igor
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