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AM335x: Add PWM(9) api to am335x_ecap driver
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Authored by oskar.holmlund_ohdata.se on Jan 2 2024, 11:20 PM.
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Summary

This is more or less the same as Ian Lepore did in commit ef558a107824372e4bb70ef57cff4406a8f7fedd for am335x_ehrpwm.c ofcourse the ecap/apwm is alot more simple than in the case of ehrpwm.

Added pwmbus_channel_set/get_flags to implement inverted polarity.

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sys/arm/ti/am335x/am335x_ecap.c
45

am335x_pwm.h will be removed but its included in alot of files so dont do that in this review for the moment.