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How to enhance NAND Flash clock in i.MX6UL

Question asked by Tunghui Lin on Nov 13, 2016
Latest reply on Nov 30, 2016 by Tunghui Lin

Has anyone modified the Flash clock clock in iMX6UL? I have some

problem in enhancing NAND Flash speed. I see the kerenl patch in iMX6DL

with kernel 3.0.35. The patch only use clk_set_rate to enhance enfc_clk. And

it works. So if I want to enhance the NAND Flash clock in iMX6UL with kernel 4.1.15,

what should I have to modify? 

 

I already tried to use clk_set_rate to set gpmi_io clock, but it not works.

Should I modify dtb file or other setting?

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