TI eQEP

#eQEP Kernel driver

##Description: The Pulse-Width Modulation Subsystem (PWMSS) consists of an instance of Enhanced High Resolution Pulse Width Modulator (eHRPWM), Enhanced Capture (eCAP), and Enhanced Quadrature Encoded Pulse (eQEP) modules. AM335x has 3-instances of PWMSS.

##Link: https://github.com/beagleboard/linux/blob/4.4/drivers/misc/tieqep.c

##Usage:

position absolute - current position; relative - last latched value

mode 0 - absolute; 1 - relative

period sampling period for the hardware

enable 0 - eQEP disabled, 1 - eQEP enabled