MCHPCOREPWM_PERIOD
hw_period_steps = readb_relaxed(mchp_core_pwm->base + MCHPCOREPWM_PERIOD);
writel_relaxed(period_steps, mchp_core_pwm->base + MCHPCOREPWM_PERIOD);
period_steps = readb_relaxed(mchp_core_pwm->base + MCHPCOREPWM_PERIOD);