rttm_enable_timer
rttm_enable_timer(base, mode, RTTM_MAX_DIVISOR);
rttm_enable_timer(to->of_base.base, mode, to->of_clk.rate / RTTM_TICKS_PER_SEC);
rttm_enable_timer(rcs->to.of_base.base, RTTM_CTRL_TIMER,