3 #include <linux/clocksource.h>
16 #include <clocksource/timer-ti-dm.h>
29 static u32 clocksource;  variable
59 	struct clocksource dev;
147  * typically no use for a dmtimer clocksource if the 32 KiHz counter is
222  * clockevent or clocksource depending if the counter_32k is available on the
230  * clock as the clocksource, and any available dmtimer as clockevent.
232  * For am437x, we are using am335x style dmtimer clocksource. It is unclear
249 	/* Quirk am437x using am335x style dmtimer clocksource */  in dmtimer_systimer_assign_alwon()
274 	/* Usually no need for dmtimer clocksource if we have counter32 */  in dmtimer_systimer_assign_alwon()
277 		clocksource = 0;  in dmtimer_systimer_assign_alwon()
279 		clocksource = pa;  in dmtimer_systimer_assign_alwon()
298 			if (pa == clocksource || pa == clockevent) {  in dmtimer_systimer_find_first_available()
311 /* Selects the best clocksource and clockevent to use */
320 	pr_debug("%s: counter_32k: %i clocksource: %08x clockevent: %08x\n",  in dmtimer_systimer_select_best()
321 		 __func__, counter_32k, clocksource, clockevent);  in dmtimer_systimer_select_best()
612 /* Clocksource */
614 to_dmtimer_clocksource(struct clocksource *cs)  in to_dmtimer_clocksource()
619 static u64 dmtimer_clocksource_read_cycles(struct clocksource *cs)  in dmtimer_clocksource_read_cycles()
634 static void dmtimer_clocksource_suspend(struct clocksource *cs)  in dmtimer_clocksource_suspend()
644 static void dmtimer_clocksource_resume(struct clocksource *cs)  in dmtimer_clocksource_resume()
664 	struct clocksource *dev;  in dmtimer_clocksource_init()
694 	pr_info("TI gptimer clocksource: %s%pOF\n",  in dmtimer_clocksource_init()
704 		pr_err("Could not register clocksource %pOF\n", np);  in dmtimer_clocksource_init()
715  * To detect between a clocksource and clockevent, we assume the device tree
716  * has no interrupts configured for a clocksource timer.
724 	if (!clocksource && !clockevent)  in dmtimer_systimer_init()
727 	if (!clocksource && !clockevent) {  in dmtimer_systimer_init()
739 	if (counter_32k <= 0 && clocksource == pa)  in dmtimer_systimer_init()