PWM_CTRL
writel((INT_EN | PWM_OE | CNT_EN), timer_of_base(to) + PWM_CTRL);
writel(0, timer_of_base(to) + PWM_CTRL);
val = readl(timer_of_base(to) + PWM_CTRL);
writel(val, timer_of_base(to) + PWM_CTRL);
value = brcmstb_pwm_readl(p, PWM_CTRL);
brcmstb_pwm_writel(p, value, PWM_CTRL);
writel(1 << pwm->hwpwm, mxs->base + PWM_CTRL + SET);
writel(1 << pwm->hwpwm, mxs->base + PWM_CTRL + CLR);