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i.MX8QM ECSPI clock

Question asked by Felix Radensky on Jul 11, 2019
Latest reply on Jul 11, 2019 by igorpadykov

Hi,

According to i.MX8M Datasheet eCSPI interfaces can operate at maximum data rate of 52Mbit/s. In reality eCSPI clock is limited to 24MHz (checked in /sys/kernel/debug/clk/clk_summary and also using scope). What can be done to supply  higher frequency clock to eCSPI ?

 

Thanks.

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