RK_PWM_CTRL
reg = RK_PWM_READ(sc, RK_PWM_CTRL);
reg = RK_PWM_READ(sc, RK_PWM_CTRL);
reg = RK_PWM_READ(sc, RK_PWM_CTRL);
reg = RK_PWM_READ(sc, RK_PWM_CTRL);
reg = RK_PWM_READ(sc, RK_PWM_CTRL);
RK_PWM_WRITE(sc, RK_PWM_CTRL, reg);
RK_PWM_WRITE(sc, RK_PWM_CTRL, reg);
reg = RK_PWM_READ(sc, RK_PWM_CTRL);
RK_PWM_WRITE(sc, RK_PWM_CTRL, reg);