PULSE_GRAN_0
val = reg_encode(reg, PULSE_GRAN_0, IPA_GRAN_100_US);
[PULSE_GRAN_0] = GENMASK(2, 0),
[PULSE_GRAN_0] = GENMASK(2, 0),
[PULSE_GRAN_0] = GENMASK(2, 0),
[PULSE_GRAN_0] = GENMASK(2, 0),
[PULSE_GRAN_0] = GENMASK(2, 0),
[PULSE_GRAN_0] = GENMASK(2, 0),