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iMX6 PWM Interrupt

Question asked by Evgeny Molchanov on Jan 28, 2016
Latest reply on Oct 26, 2016 by sandeep sharma

Hello all.

In iMX6 datasheet chapter 51 PWM FIFO

Digital sample values can be loaded into the pulse-width modulator as 16-bit words. The

endianess can be changed using the BCTR and HCTR bits of the control register. A 4-

word (16-bit) FIFO minimizes interrupt overhead. A maskable interrupt is generated

when the number of data words fall below the water level set by the FWM field in the

control register.


Give please an example how to request this interrupt in linux 3.10.53.

Thank you.