i´m working with an iMX6Q. I want to use a interrupt on a GPIO
I used gpio_to_irg() and request_irq() to set up my interrupt. it worked pretty well but its not that fast. Or not as fast as i want it to be.
Q1: Is there a way to use the GIC for GPIO interrupt?
i tried to configure the necessary GPIO registers(Direction, ICR , IMR).
i used the irq number listed in the processor manual to request the irq but that dosnt work so far.
Q2: what is the propper usage of request_irq() with the parameter IRQF_TRIGGER_???
(If i use NONE i will get an irq all the time)