33 #include <clocksource/timer-ti-dm.h>
36  * timer errata flags
40  * timer counter register is never read. For more details please refer to
157  * dmtimer_read - read timer registers in posted and non-posted mode
158  * @timer:	timer pointer over which read operation to perform
165 static inline u32 dmtimer_read(struct dmtimer *timer, u32 reg)  in dmtimer_read()  argument
173 	if (wp && timer->posted)  in dmtimer_read()
174 		while (readl_relaxed(timer->pend) & wp)  in dmtimer_read()
177 	return readl_relaxed(timer->func_base + offset);  in dmtimer_read()
181  * dmtimer_write - write timer registers in posted and non-posted mode
182  * @timer:      timer pointer over which write operation is to perform
190 static inline void dmtimer_write(struct dmtimer *timer, u32 reg, u32 val)  in dmtimer_write()  argument
198 	if (wp && timer->posted)  in dmtimer_write()
199 		while (readl_relaxed(timer->pend) & wp)  in dmtimer_write()
202 	writel_relaxed(val, timer->func_base + offset);  in dmtimer_write()
205 static inline void __omap_dm_timer_init_regs(struct dmtimer *timer)  in __omap_dm_timer_init_regs()  argument
210 	tidr = readl_relaxed(timer->io_base);  in __omap_dm_timer_init_regs()
212 		timer->revision = 1;  in __omap_dm_timer_init_regs()
213 		timer->irq_stat = OMAP_TIMER_V1_STAT_OFFSET;  in __omap_dm_timer_init_regs()
214 		timer->irq_ena = OMAP_TIMER_V1_INT_EN_OFFSET;  in __omap_dm_timer_init_regs()
215 		timer->irq_dis = OMAP_TIMER_V1_INT_EN_OFFSET;  in __omap_dm_timer_init_regs()
216 		timer->pend = timer->io_base + _OMAP_TIMER_WRITE_PEND_OFFSET;  in __omap_dm_timer_init_regs()
217 		timer->func_base = timer->io_base;  in __omap_dm_timer_init_regs()
219 		timer->revision = 2;  in __omap_dm_timer_init_regs()
220 		timer->irq_stat = OMAP_TIMER_V2_IRQSTATUS - OMAP_TIMER_V2_FUNC_OFFSET;  in __omap_dm_timer_init_regs()
221 		timer->irq_ena = OMAP_TIMER_V2_IRQENABLE_SET - OMAP_TIMER_V2_FUNC_OFFSET;  in __omap_dm_timer_init_regs()
222 		timer->irq_dis = OMAP_TIMER_V2_IRQENABLE_CLR - OMAP_TIMER_V2_FUNC_OFFSET;  in __omap_dm_timer_init_regs()
223 		timer->pend = timer->io_base +  in __omap_dm_timer_init_regs()
226 		timer->func_base = timer->io_base + OMAP_TIMER_V2_FUNC_OFFSET;  in __omap_dm_timer_init_regs()
232  * @timer:      pointer to timer instance handle
234  * Enables the write posted mode for the timer. When posted mode is enabled
235  * writes to certain timer registers are immediately acknowledged by the
238  * timer registers.
240 static inline void __omap_dm_timer_enable_posted(struct dmtimer *timer)  in __omap_dm_timer_enable_posted()  argument
242 	if (timer->posted)  in __omap_dm_timer_enable_posted()
245 	if (timer->errata & OMAP_TIMER_ERRATA_I103_I767) {  in __omap_dm_timer_enable_posted()
246 		timer->posted = OMAP_TIMER_NONPOSTED;  in __omap_dm_timer_enable_posted()
247 		dmtimer_write(timer, OMAP_TIMER_IF_CTRL_REG, 0);  in __omap_dm_timer_enable_posted()
251 	dmtimer_write(timer, OMAP_TIMER_IF_CTRL_REG, OMAP_TIMER_CTRL_POSTED);  in __omap_dm_timer_enable_posted()
252 	timer->context.tsicr = OMAP_TIMER_CTRL_POSTED;  in __omap_dm_timer_enable_posted()
253 	timer->posted = OMAP_TIMER_POSTED;  in __omap_dm_timer_enable_posted()
256 static inline void __omap_dm_timer_stop(struct dmtimer *timer,  in __omap_dm_timer_stop()  argument
261 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in __omap_dm_timer_stop()
264 		dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in __omap_dm_timer_stop()
267 		dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in __omap_dm_timer_stop()
270 		 * timer is stopped  in __omap_dm_timer_stop()
277 	dmtimer_write(timer, timer->irq_stat, OMAP_TIMER_INT_OVERFLOW);  in __omap_dm_timer_stop()
280 static inline void __omap_dm_timer_int_enable(struct dmtimer *timer,  in __omap_dm_timer_int_enable()  argument
283 	dmtimer_write(timer, timer->irq_ena, value);  in __omap_dm_timer_int_enable()
284 	dmtimer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, value);  in __omap_dm_timer_int_enable()
288 __omap_dm_timer_read_counter(struct dmtimer *timer)  in __omap_dm_timer_read_counter()  argument
290 	return dmtimer_read(timer, OMAP_TIMER_COUNTER_REG);  in __omap_dm_timer_read_counter()
293 static inline void __omap_dm_timer_write_status(struct dmtimer *timer,  in __omap_dm_timer_write_status()  argument
296 	dmtimer_write(timer, timer->irq_stat, value);  in __omap_dm_timer_write_status()
299 static void omap_timer_restore_context(struct dmtimer *timer)  in omap_timer_restore_context()  argument
301 	dmtimer_write(timer, OMAP_TIMER_OCP_CFG_OFFSET, timer->context.ocp_cfg);  in omap_timer_restore_context()
303 	dmtimer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, timer->context.twer);  in omap_timer_restore_context()
304 	dmtimer_write(timer, OMAP_TIMER_COUNTER_REG, timer->context.tcrr);  in omap_timer_restore_context()
305 	dmtimer_write(timer, OMAP_TIMER_LOAD_REG, timer->context.tldr);  in omap_timer_restore_context()
306 	dmtimer_write(timer, OMAP_TIMER_MATCH_REG, timer->context.tmar);  in omap_timer_restore_context()
307 	dmtimer_write(timer, OMAP_TIMER_IF_CTRL_REG, timer->context.tsicr);  in omap_timer_restore_context()
308 	dmtimer_write(timer, timer->irq_ena, timer->context.tier);  in omap_timer_restore_context()
309 	dmtimer_write(timer, OMAP_TIMER_CTRL_REG, timer->context.tclr);  in omap_timer_restore_context()
312 static void omap_timer_save_context(struct dmtimer *timer)  in omap_timer_save_context()  argument
314 	timer->context.ocp_cfg = dmtimer_read(timer, OMAP_TIMER_OCP_CFG_OFFSET);  in omap_timer_save_context()
316 	timer->context.tclr = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_timer_save_context()
317 	timer->context.twer = dmtimer_read(timer, OMAP_TIMER_WAKEUP_EN_REG);  in omap_timer_save_context()
318 	timer->context.tldr = dmtimer_read(timer, OMAP_TIMER_LOAD_REG);  in omap_timer_save_context()
319 	timer->context.tmar = dmtimer_read(timer, OMAP_TIMER_MATCH_REG);  in omap_timer_save_context()
320 	timer->context.tier = dmtimer_read(timer, timer->irq_ena);  in omap_timer_save_context()
321 	timer->context.tsicr = dmtimer_read(timer, OMAP_TIMER_IF_CTRL_REG);  in omap_timer_save_context()
327 	struct dmtimer *timer;  in omap_timer_context_notifier()  local
329 	timer = container_of(nb, struct dmtimer, nb);  in omap_timer_context_notifier()
333 		if ((timer->capability & OMAP_TIMER_ALWON) ||  in omap_timer_context_notifier()
334 		    !atomic_read(&timer->enabled))  in omap_timer_context_notifier()
336 		omap_timer_save_context(timer);  in omap_timer_context_notifier()
341 		if ((timer->capability & OMAP_TIMER_ALWON) ||  in omap_timer_context_notifier()
342 		    !atomic_read(&timer->enabled))  in omap_timer_context_notifier()
344 		omap_timer_restore_context(timer);  in omap_timer_context_notifier()
351 static int omap_dm_timer_reset(struct dmtimer *timer)  in omap_dm_timer_reset()  argument
355 	if (timer->revision != 1)  in omap_dm_timer_reset()
358 	dmtimer_write(timer, OMAP_TIMER_IF_CTRL_REG, 0x06);  in omap_dm_timer_reset()
361 		l = dmtimer_read(timer, OMAP_TIMER_V1_SYS_STAT_OFFSET);  in omap_dm_timer_reset()
365 		dev_err(&timer->pdev->dev, "Timer failed to reset\n");  in omap_dm_timer_reset()
369 	/* Configure timer for smart-idle mode */  in omap_dm_timer_reset()
370 	l = dmtimer_read(timer, OMAP_TIMER_OCP_CFG_OFFSET);  in omap_dm_timer_reset()
372 	dmtimer_write(timer, OMAP_TIMER_OCP_CFG_OFFSET, l);  in omap_dm_timer_reset()
374 	timer->posted = 0;  in omap_dm_timer_reset()
399 	struct dmtimer *timer;  in omap_dm_timer_set_source()  local
401 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_source()
402 	if (unlikely(!timer) || IS_ERR(timer->fclk))  in omap_dm_timer_set_source()
419 	pdata = timer->pdev->dev.platform_data;  in omap_dm_timer_set_source()
426 	if (timer->omap1 && pdata && pdata->set_timer_src)  in omap_dm_timer_set_source()
427 		return pdata->set_timer_src(timer->pdev, source);  in omap_dm_timer_set_source()
431 	if (clk_hw_get_num_parents(__clk_get_hw(timer->fclk)) < 2)  in omap_dm_timer_set_source()
435 	parent = clk_get(&timer->pdev->dev, parent_name);  in omap_dm_timer_set_source()
441 	ret = clk_set_parent(timer->fclk, parent);  in omap_dm_timer_set_source()
453 	struct dmtimer *timer = to_dmtimer(cookie);  in omap_dm_timer_enable()  local
454 	struct device *dev = &timer->pdev->dev;  in omap_dm_timer_enable()
459 		dev_err(dev, "could not enable timer\n");  in omap_dm_timer_enable()
464 	struct dmtimer *timer = to_dmtimer(cookie);  in omap_dm_timer_disable()  local
465 	struct device *dev = &timer->pdev->dev;  in omap_dm_timer_disable()
470 static int omap_dm_timer_prepare(struct dmtimer *timer)  in omap_dm_timer_prepare()  argument
472 	struct device *dev = &timer->pdev->dev;  in omap_dm_timer_prepare()
479 	if (timer->capability & OMAP_TIMER_NEEDS_RESET) {  in omap_dm_timer_prepare()
480 		rc = omap_dm_timer_reset(timer);  in omap_dm_timer_prepare()
487 	__omap_dm_timer_enable_posted(timer);  in omap_dm_timer_prepare()
500 	struct dmtimer *timer = NULL, *t;  in _omap_dm_timer_request()  local
529 				timer = t;  in _omap_dm_timer_request()
530 				timer->reserved = 1;  in _omap_dm_timer_request()
537 				 * If timer is not NULL, we have already found  in _omap_dm_timer_request()
538 				 * one timer. But it was not an exact match  in _omap_dm_timer_request()
541 				 * timer found and see if this one is a better  in _omap_dm_timer_request()
544 				if (timer)  in _omap_dm_timer_request()
545 					timer->reserved = 0;  in _omap_dm_timer_request()
546 				timer = t;  in _omap_dm_timer_request()
547 				timer->reserved = 1;  in _omap_dm_timer_request()
556 				timer = t;  in _omap_dm_timer_request()
557 				timer->reserved = 1;  in _omap_dm_timer_request()
563 			timer = t;  in _omap_dm_timer_request()
564 			timer->reserved = 1;  in _omap_dm_timer_request()
571 	if (timer && omap_dm_timer_prepare(timer)) {  in _omap_dm_timer_request()
572 		timer->reserved = 0;  in _omap_dm_timer_request()
573 		timer = NULL;  in _omap_dm_timer_request()
576 	if (!timer)  in _omap_dm_timer_request()
577 		pr_debug("%s: timer request failed!\n", __func__);  in _omap_dm_timer_request()
579 	return timer;  in _omap_dm_timer_request()
584 	struct dmtimer *timer;  in omap_dm_timer_request()  local
586 	timer = _omap_dm_timer_request(REQUEST_ANY, NULL);  in omap_dm_timer_request()
587 	if (!timer)  in omap_dm_timer_request()
590 	return &timer->cookie;  in omap_dm_timer_request()
595 	struct dmtimer *timer;  in omap_dm_timer_request_specific()  local
597 	/* Requesting timer by ID is not supported when device tree is used */  in omap_dm_timer_request_specific()
604 	timer = _omap_dm_timer_request(REQUEST_BY_ID, &id);  in omap_dm_timer_request_specific()
605 	if (!timer)  in omap_dm_timer_request_specific()
608 	return &timer->cookie;  in omap_dm_timer_request_specific()
612  * omap_dm_timer_request_by_node - Request a timer by device-tree node
613  * @np:		Pointer to device-tree timer node
615  * Request a timer based upon a device node pointer. Returns pointer to
616  * timer handle on success and a NULL pointer on failure.
620 	struct dmtimer *timer;  in omap_dm_timer_request_by_node()  local
625 	timer = _omap_dm_timer_request(REQUEST_BY_NODE, np);  in omap_dm_timer_request_by_node()
626 	if (!timer)  in omap_dm_timer_request_by_node()
629 	return &timer->cookie;  in omap_dm_timer_request_by_node()
634 	struct dmtimer *timer;  in omap_dm_timer_free()  local
638 	timer = to_dmtimer(cookie);  in omap_dm_timer_free()
639 	if (unlikely(!timer))  in omap_dm_timer_free()
642 	WARN_ON(!timer->reserved);  in omap_dm_timer_free()
643 	timer->reserved = 0;  in omap_dm_timer_free()
645 	dev = &timer->pdev->dev;  in omap_dm_timer_free()
650 	/* Clear timer configuration */  in omap_dm_timer_free()
651 	dmtimer_write(timer, OMAP_TIMER_CTRL_REG, 0);  in omap_dm_timer_free()
660 	struct dmtimer *timer = to_dmtimer(cookie);  in omap_dm_timer_get_irq()  local
661 	if (timer)  in omap_dm_timer_get_irq()
662 		return timer->irq;  in omap_dm_timer_get_irq()
681 	struct dmtimer *timer = NULL;  in omap_dm_timer_modify_idlect_mask()  local
688 	/* If any active timer is using ARMXOR return modified mask */  in omap_dm_timer_modify_idlect_mask()
690 	list_for_each_entry(timer, &omap_timer_list, node) {  in omap_dm_timer_modify_idlect_mask()
693 		l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_modify_idlect_mask()
711 	struct dmtimer *timer = to_dmtimer(cookie);  in omap_dm_timer_get_fclk()  local
713 	if (timer && !IS_ERR(timer->fclk))  in omap_dm_timer_get_fclk()
714 		return timer->fclk;  in omap_dm_timer_get_fclk()
729 	struct dmtimer *timer;  in omap_dm_timer_start()  local
734 	timer = to_dmtimer(cookie);  in omap_dm_timer_start()
735 	if (unlikely(!timer))  in omap_dm_timer_start()
738 	dev = &timer->pdev->dev;  in omap_dm_timer_start()
744 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_start()
747 		dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in omap_dm_timer_start()
755 	struct dmtimer *timer;  in omap_dm_timer_stop()  local
759 	timer = to_dmtimer(cookie);  in omap_dm_timer_stop()
760 	if (unlikely(!timer))  in omap_dm_timer_stop()
763 	dev = &timer->pdev->dev;  in omap_dm_timer_stop()
765 	if (!timer->omap1)  in omap_dm_timer_stop()
766 		rate = clk_get_rate(timer->fclk);  in omap_dm_timer_stop()
768 	__omap_dm_timer_stop(timer, rate);  in omap_dm_timer_stop()
778 	struct dmtimer *timer;  in omap_dm_timer_set_load()  local
782 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_load()
783 	if (unlikely(!timer))  in omap_dm_timer_set_load()
786 	dev = &timer->pdev->dev;  in omap_dm_timer_set_load()
791 	dmtimer_write(timer, OMAP_TIMER_LOAD_REG, load);  in omap_dm_timer_set_load()
801 	struct dmtimer *timer;  in omap_dm_timer_set_match()  local
806 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_match()
807 	if (unlikely(!timer))  in omap_dm_timer_set_match()
810 	dev = &timer->pdev->dev;  in omap_dm_timer_set_match()
815 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_set_match()
820 	dmtimer_write(timer, OMAP_TIMER_MATCH_REG, match);  in omap_dm_timer_set_match()
821 	dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in omap_dm_timer_set_match()
831 	struct dmtimer *timer;  in omap_dm_timer_set_pwm()  local
836 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_pwm()
837 	if (unlikely(!timer))  in omap_dm_timer_set_pwm()
840 	dev = &timer->pdev->dev;  in omap_dm_timer_set_pwm()
845 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_set_pwm()
855 	dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in omap_dm_timer_set_pwm()
864 	struct dmtimer *timer;  in omap_dm_timer_get_pwm_status()  local
869 	timer = to_dmtimer(cookie);  in omap_dm_timer_get_pwm_status()
870 	if (unlikely(!timer))  in omap_dm_timer_get_pwm_status()
873 	dev = &timer->pdev->dev;  in omap_dm_timer_get_pwm_status()
878 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_get_pwm_status()
888 	struct dmtimer *timer;  in omap_dm_timer_set_prescaler()  local
893 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_prescaler()
894 	if (unlikely(!timer) || prescaler < -1 || prescaler > 7)  in omap_dm_timer_set_prescaler()
897 	dev = &timer->pdev->dev;  in omap_dm_timer_set_prescaler()
902 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_set_prescaler()
908 	dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in omap_dm_timer_set_prescaler()
918 	struct dmtimer *timer;  in omap_dm_timer_set_int_enable()  local
922 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_int_enable()
923 	if (unlikely(!timer))  in omap_dm_timer_set_int_enable()
926 	dev = &timer->pdev->dev;  in omap_dm_timer_set_int_enable()
931 	__omap_dm_timer_int_enable(timer, value);  in omap_dm_timer_set_int_enable()
939  * omap_dm_timer_set_int_disable - disable timer interrupts
940  * @timer:	pointer to timer handle
943  * Disables the specified timer interrupts for a timer.
947 	struct dmtimer *timer;  in omap_dm_timer_set_int_disable()  local
952 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_int_disable()
953 	if (unlikely(!timer))  in omap_dm_timer_set_int_disable()
956 	dev = &timer->pdev->dev;  in omap_dm_timer_set_int_disable()
961 	if (timer->revision == 1)  in omap_dm_timer_set_int_disable()
962 		l = dmtimer_read(timer, timer->irq_ena) & ~mask;  in omap_dm_timer_set_int_disable()
964 	dmtimer_write(timer, timer->irq_dis, l);  in omap_dm_timer_set_int_disable()
965 	l = dmtimer_read(timer, OMAP_TIMER_WAKEUP_EN_REG) & ~mask;  in omap_dm_timer_set_int_disable()
966 	dmtimer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, l);  in omap_dm_timer_set_int_disable()
975 	struct dmtimer *timer;  in omap_dm_timer_read_status()  local
978 	timer = to_dmtimer(cookie);  in omap_dm_timer_read_status()
979 	if (unlikely(!timer || !atomic_read(&timer->enabled))) {  in omap_dm_timer_read_status()
980 		pr_err("%s: timer not available or enabled.\n", __func__);  in omap_dm_timer_read_status()
984 	l = dmtimer_read(timer, timer->irq_stat);  in omap_dm_timer_read_status()
991 	struct dmtimer *timer;  in omap_dm_timer_write_status()  local
993 	timer = to_dmtimer(cookie);  in omap_dm_timer_write_status()
994 	if (unlikely(!timer || !atomic_read(&timer->enabled)))  in omap_dm_timer_write_status()
997 	__omap_dm_timer_write_status(timer, value);  in omap_dm_timer_write_status()
1004 	struct dmtimer *timer;  in omap_dm_timer_read_counter()  local
1006 	timer = to_dmtimer(cookie);  in omap_dm_timer_read_counter()
1007 	if (unlikely(!timer || !atomic_read(&timer->enabled))) {  in omap_dm_timer_read_counter()
1008 		pr_err("%s: timer not iavailable or enabled.\n", __func__);  in omap_dm_timer_read_counter()
1012 	return __omap_dm_timer_read_counter(timer);  in omap_dm_timer_read_counter()
1017 	struct dmtimer *timer;  in omap_dm_timer_write_counter()  local
1019 	timer = to_dmtimer(cookie);  in omap_dm_timer_write_counter()
1020 	if (unlikely(!timer || !atomic_read(&timer->enabled))) {  in omap_dm_timer_write_counter()
1021 		pr_err("%s: timer not available or enabled.\n", __func__);  in omap_dm_timer_write_counter()
1025 	dmtimer_write(timer, OMAP_TIMER_COUNTER_REG, value);  in omap_dm_timer_write_counter()
1028 	timer->context.tcrr = value;  in omap_dm_timer_write_counter()
1034 	struct dmtimer *timer = dev_get_drvdata(dev);  in omap_dm_timer_runtime_suspend()  local
1036 	atomic_set(&timer->enabled, 0);  in omap_dm_timer_runtime_suspend()
1038 	if (timer->capability & OMAP_TIMER_ALWON || !timer->func_base)  in omap_dm_timer_runtime_suspend()
1041 	omap_timer_save_context(timer);  in omap_dm_timer_runtime_suspend()
1048 	struct dmtimer *timer = dev_get_drvdata(dev);  in omap_dm_timer_runtime_resume()  local
1050 	if (!(timer->capability & OMAP_TIMER_ALWON) && timer->func_base)  in omap_dm_timer_runtime_resume()
1051 		omap_timer_restore_context(timer);  in omap_dm_timer_runtime_resume()
1053 	atomic_set(&timer->enabled, 1);  in omap_dm_timer_runtime_resume()
1067  * @pdev:	pointer to current timer platform device
1070  * timer devices.
1075 	struct dmtimer *timer;  in omap_dm_timer_probe()  local
1091 	timer = devm_kzalloc(dev, sizeof(*timer), GFP_KERNEL);  in omap_dm_timer_probe()
1092 	if (!timer)  in omap_dm_timer_probe()
1095 	timer->irq = platform_get_irq(pdev, 0);  in omap_dm_timer_probe()
1096 	if (timer->irq < 0)  in omap_dm_timer_probe()
1097 		return timer->irq;  in omap_dm_timer_probe()
1099 	timer->io_base = devm_platform_ioremap_resource(pdev, 0);  in omap_dm_timer_probe()
1100 	if (IS_ERR(timer->io_base))  in omap_dm_timer_probe()
1101 		return PTR_ERR(timer->io_base);  in omap_dm_timer_probe()
1103 	platform_set_drvdata(pdev, timer);  in omap_dm_timer_probe()
1106 		if (of_property_read_bool(dev->of_node, "ti,timer-alwon"))  in omap_dm_timer_probe()
1107 			timer->capability |= OMAP_TIMER_ALWON;  in omap_dm_timer_probe()
1108 		if (of_property_read_bool(dev->of_node, "ti,timer-dsp"))  in omap_dm_timer_probe()
1109 			timer->capability |= OMAP_TIMER_HAS_DSP_IRQ;  in omap_dm_timer_probe()
1110 		if (of_property_read_bool(dev->of_node, "ti,timer-pwm"))  in omap_dm_timer_probe()
1111 			timer->capability |= OMAP_TIMER_HAS_PWM;  in omap_dm_timer_probe()
1112 		if (of_property_read_bool(dev->of_node, "ti,timer-secure"))  in omap_dm_timer_probe()
1113 			timer->capability |= OMAP_TIMER_SECURE;  in omap_dm_timer_probe()
1115 		timer->id = pdev->id;  in omap_dm_timer_probe()
1116 		timer->capability = pdata->timer_capability;  in omap_dm_timer_probe()
1117 		timer->reserved = omap_dm_timer_reserved_systimer(timer->id);  in omap_dm_timer_probe()
1120 	timer->omap1 = timer->capability & OMAP_TIMER_NEEDS_RESET;  in omap_dm_timer_probe()
1123 	if (!timer->omap1) {  in omap_dm_timer_probe()
1124 		timer->fclk = devm_clk_get(dev, "fck");  in omap_dm_timer_probe()
1125 		if (IS_ERR(timer->fclk))  in omap_dm_timer_probe()
1126 			return PTR_ERR(timer->fclk);  in omap_dm_timer_probe()
1128 		timer->fclk = ERR_PTR(-ENODEV);  in omap_dm_timer_probe()
1131 	if (!(timer->capability & OMAP_TIMER_ALWON)) {  in omap_dm_timer_probe()
1132 		timer->nb.notifier_call = omap_timer_context_notifier;  in omap_dm_timer_probe()
1133 		cpu_pm_register_notifier(&timer->nb);  in omap_dm_timer_probe()
1136 	timer->errata = pdata->timer_errata;  in omap_dm_timer_probe()
1138 	timer->pdev = pdev;  in omap_dm_timer_probe()
1142 	if (!timer->reserved) {  in omap_dm_timer_probe()
1149 		__omap_dm_timer_init_regs(timer);  in omap_dm_timer_probe()
1151 		/* Clear timer configuration */  in omap_dm_timer_probe()
1152 		dmtimer_write(timer, OMAP_TIMER_CTRL_REG, 0);  in omap_dm_timer_probe()
1157 	/* add the timer element to the list */  in omap_dm_timer_probe()
1159 	list_add_tail(&timer->node, &omap_timer_list);  in omap_dm_timer_probe()
1172  * omap_dm_timer_remove - cleanup a registered timer device
1173  * @pdev:	pointer to current timer platform device
1175  * Called by driver framework whenever a timer device is unregistered.
1176  * In addition to freeing platform resources it also deletes the timer
1181 	struct dmtimer *timer;  in omap_dm_timer_remove()  local
1186 	list_for_each_entry(timer, &omap_timer_list, node)  in omap_dm_timer_remove()
1187 		if (!strcmp(dev_name(&timer->pdev->dev),  in omap_dm_timer_remove()
1189 			if (!(timer->capability & OMAP_TIMER_ALWON))  in omap_dm_timer_remove()
1190 				cpu_pm_unregister_notifier(&timer->nb);  in omap_dm_timer_remove()
1191 			list_del(&timer->node);  in omap_dm_timer_remove()
1200 		dev_err(&pdev->dev, "Unable to determine timer entry in list of drivers on remove\n");  in omap_dm_timer_remove()
1239 		.compatible = "ti,omap2420-timer",
1242 		.compatible = "ti,omap3430-timer",
1246 		.compatible = "ti,omap4430-timer",
1250 		.compatible = "ti,omap5430-timer",
1254 		.compatible = "ti,am335x-timer",
1258 		.compatible = "ti,am335x-timer-1ms",
1262 		.compatible = "ti,dm816-timer",
1266 		.compatible = "ti,am654-timer",
1285 MODULE_DESCRIPTION("OMAP Dual-Mode Timer Driver");