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How to enable the interface clock and function clock at AM57xx

Expert 1385 points


I can't understand the description for clock domain on AM57xx TRM. But for some reason, I need

to enable an module (such as I2c )clock on bare metal. Because I2c have two kinds of clocks:

Interface clock and function clock.

How can I enable the interface clock and function clock? Please help me, Or give me a way to understand the clock tree of AM57xx.  I try to use the clock tree tools to understand, but the result is also terrible.

I have seen this description in your TRM:

It seems enable the interface clock, But i can't found the action  to enable the function clock ? I am so confused !  

whether there is some wiki link to introduce the clock tree logical ?

 

 

Thank you very much!

Qing