34 #include <clocksource/timer-ti-dm.h>
37  * timer errata flags
41  * timer counter register is never read. For more details please refer to
158  * dmtimer_read - read timer registers in posted and non-posted mode
159  * @timer:	timer pointer over which read operation to perform
166 static inline u32 dmtimer_read(struct dmtimer *timer, u32 reg)  in dmtimer_read()  argument
174 	if (wp && timer->posted)  in dmtimer_read()
175 		while (readl_relaxed(timer->pend) & wp)  in dmtimer_read()
178 	return readl_relaxed(timer->func_base + offset);  in dmtimer_read()
182  * dmtimer_write - write timer registers in posted and non-posted mode
183  * @timer:      timer pointer over which write operation is to perform
191 static inline void dmtimer_write(struct dmtimer *timer, u32 reg, u32 val)  in dmtimer_write()  argument
199 	if (wp && timer->posted)  in dmtimer_write()
200 		while (readl_relaxed(timer->pend) & wp)  in dmtimer_write()
203 	writel_relaxed(val, timer->func_base + offset);  in dmtimer_write()
206 static inline void __omap_dm_timer_init_regs(struct dmtimer *timer)  in __omap_dm_timer_init_regs()  argument
211 	tidr = readl_relaxed(timer->io_base);  in __omap_dm_timer_init_regs()
213 		timer->revision = 1;  in __omap_dm_timer_init_regs()
214 		timer->irq_stat = OMAP_TIMER_V1_STAT_OFFSET;  in __omap_dm_timer_init_regs()
215 		timer->irq_ena = OMAP_TIMER_V1_INT_EN_OFFSET;  in __omap_dm_timer_init_regs()
216 		timer->irq_dis = OMAP_TIMER_V1_INT_EN_OFFSET;  in __omap_dm_timer_init_regs()
217 		timer->pend = timer->io_base + _OMAP_TIMER_WRITE_PEND_OFFSET;  in __omap_dm_timer_init_regs()
218 		timer->func_base = timer->io_base;  in __omap_dm_timer_init_regs()
220 		timer->revision = 2;  in __omap_dm_timer_init_regs()
221 		timer->irq_stat = OMAP_TIMER_V2_IRQSTATUS - OMAP_TIMER_V2_FUNC_OFFSET;  in __omap_dm_timer_init_regs()
222 		timer->irq_ena = OMAP_TIMER_V2_IRQENABLE_SET - OMAP_TIMER_V2_FUNC_OFFSET;  in __omap_dm_timer_init_regs()
223 		timer->irq_dis = OMAP_TIMER_V2_IRQENABLE_CLR - OMAP_TIMER_V2_FUNC_OFFSET;  in __omap_dm_timer_init_regs()
224 		timer->pend = timer->io_base +  in __omap_dm_timer_init_regs()
227 		timer->func_base = timer->io_base + OMAP_TIMER_V2_FUNC_OFFSET;  in __omap_dm_timer_init_regs()
233  * @timer:      pointer to timer instance handle
235  * Enables the write posted mode for the timer. When posted mode is enabled
236  * writes to certain timer registers are immediately acknowledged by the
239  * timer registers.
241 static inline void __omap_dm_timer_enable_posted(struct dmtimer *timer)  in __omap_dm_timer_enable_posted()  argument
243 	if (timer->posted)  in __omap_dm_timer_enable_posted()
246 	if (timer->errata & OMAP_TIMER_ERRATA_I103_I767) {  in __omap_dm_timer_enable_posted()
247 		timer->posted = OMAP_TIMER_NONPOSTED;  in __omap_dm_timer_enable_posted()
248 		dmtimer_write(timer, OMAP_TIMER_IF_CTRL_REG, 0);  in __omap_dm_timer_enable_posted()
252 	dmtimer_write(timer, OMAP_TIMER_IF_CTRL_REG, OMAP_TIMER_CTRL_POSTED);  in __omap_dm_timer_enable_posted()
253 	timer->context.tsicr = OMAP_TIMER_CTRL_POSTED;  in __omap_dm_timer_enable_posted()
254 	timer->posted = OMAP_TIMER_POSTED;  in __omap_dm_timer_enable_posted()
257 static inline void __omap_dm_timer_stop(struct dmtimer *timer,  in __omap_dm_timer_stop()  argument
262 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in __omap_dm_timer_stop()
265 		dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in __omap_dm_timer_stop()
268 		dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in __omap_dm_timer_stop()
271 		 * timer is stopped  in __omap_dm_timer_stop()
278 	dmtimer_write(timer, timer->irq_stat, OMAP_TIMER_INT_OVERFLOW);  in __omap_dm_timer_stop()
281 static inline void __omap_dm_timer_int_enable(struct dmtimer *timer,  in __omap_dm_timer_int_enable()  argument
284 	dmtimer_write(timer, timer->irq_ena, value);  in __omap_dm_timer_int_enable()
285 	dmtimer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, value);  in __omap_dm_timer_int_enable()
289 __omap_dm_timer_read_counter(struct dmtimer *timer)  in __omap_dm_timer_read_counter()  argument
291 	return dmtimer_read(timer, OMAP_TIMER_COUNTER_REG);  in __omap_dm_timer_read_counter()
294 static inline void __omap_dm_timer_write_status(struct dmtimer *timer,  in __omap_dm_timer_write_status()  argument
297 	dmtimer_write(timer, timer->irq_stat, value);  in __omap_dm_timer_write_status()
300 static void omap_timer_restore_context(struct dmtimer *timer)  in omap_timer_restore_context()  argument
302 	dmtimer_write(timer, OMAP_TIMER_OCP_CFG_OFFSET, timer->context.ocp_cfg);  in omap_timer_restore_context()
304 	dmtimer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, timer->context.twer);  in omap_timer_restore_context()
305 	dmtimer_write(timer, OMAP_TIMER_COUNTER_REG, timer->context.tcrr);  in omap_timer_restore_context()
306 	dmtimer_write(timer, OMAP_TIMER_LOAD_REG, timer->context.tldr);  in omap_timer_restore_context()
307 	dmtimer_write(timer, OMAP_TIMER_MATCH_REG, timer->context.tmar);  in omap_timer_restore_context()
308 	dmtimer_write(timer, OMAP_TIMER_IF_CTRL_REG, timer->context.tsicr);  in omap_timer_restore_context()
309 	dmtimer_write(timer, timer->irq_ena, timer->context.tier);  in omap_timer_restore_context()
310 	dmtimer_write(timer, OMAP_TIMER_CTRL_REG, timer->context.tclr);  in omap_timer_restore_context()
313 static void omap_timer_save_context(struct dmtimer *timer)  in omap_timer_save_context()  argument
315 	timer->context.ocp_cfg = dmtimer_read(timer, OMAP_TIMER_OCP_CFG_OFFSET);  in omap_timer_save_context()
317 	timer->context.tclr = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_timer_save_context()
318 	timer->context.twer = dmtimer_read(timer, OMAP_TIMER_WAKEUP_EN_REG);  in omap_timer_save_context()
319 	timer->context.tldr = dmtimer_read(timer, OMAP_TIMER_LOAD_REG);  in omap_timer_save_context()
320 	timer->context.tmar = dmtimer_read(timer, OMAP_TIMER_MATCH_REG);  in omap_timer_save_context()
321 	timer->context.tier = dmtimer_read(timer, timer->irq_ena);  in omap_timer_save_context()
322 	timer->context.tsicr = dmtimer_read(timer, OMAP_TIMER_IF_CTRL_REG);  in omap_timer_save_context()
328 	struct dmtimer *timer;  in omap_timer_context_notifier()  local
330 	timer = container_of(nb, struct dmtimer, nb);  in omap_timer_context_notifier()
334 		if ((timer->capability & OMAP_TIMER_ALWON) ||  in omap_timer_context_notifier()
335 		    !atomic_read(&timer->enabled))  in omap_timer_context_notifier()
337 		omap_timer_save_context(timer);  in omap_timer_context_notifier()
342 		if ((timer->capability & OMAP_TIMER_ALWON) ||  in omap_timer_context_notifier()
343 		    !atomic_read(&timer->enabled))  in omap_timer_context_notifier()
345 		omap_timer_restore_context(timer);  in omap_timer_context_notifier()
352 static int omap_dm_timer_reset(struct dmtimer *timer)  in omap_dm_timer_reset()  argument
356 	if (timer->revision != 1)  in omap_dm_timer_reset()
359 	dmtimer_write(timer, OMAP_TIMER_IF_CTRL_REG, 0x06);  in omap_dm_timer_reset()
362 		l = dmtimer_read(timer, OMAP_TIMER_V1_SYS_STAT_OFFSET);  in omap_dm_timer_reset()
366 		dev_err(&timer->pdev->dev, "Timer failed to reset\n");  in omap_dm_timer_reset()
370 	/* Configure timer for smart-idle mode */  in omap_dm_timer_reset()
371 	l = dmtimer_read(timer, OMAP_TIMER_OCP_CFG_OFFSET);  in omap_dm_timer_reset()
373 	dmtimer_write(timer, OMAP_TIMER_OCP_CFG_OFFSET, l);  in omap_dm_timer_reset()
375 	timer->posted = 0;  in omap_dm_timer_reset()
400 	struct dmtimer *timer;  in omap_dm_timer_set_source()  local
402 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_source()
403 	if (unlikely(!timer) || IS_ERR(timer->fclk))  in omap_dm_timer_set_source()
420 	pdata = timer->pdev->dev.platform_data;  in omap_dm_timer_set_source()
427 	if (timer->omap1 && pdata && pdata->set_timer_src)  in omap_dm_timer_set_source()
428 		return pdata->set_timer_src(timer->pdev, source);  in omap_dm_timer_set_source()
432 	if (clk_hw_get_num_parents(__clk_get_hw(timer->fclk)) < 2)  in omap_dm_timer_set_source()
436 	parent = clk_get(&timer->pdev->dev, parent_name);  in omap_dm_timer_set_source()
442 	ret = clk_set_parent(timer->fclk, parent);  in omap_dm_timer_set_source()
454 	struct dmtimer *timer = to_dmtimer(cookie);  in omap_dm_timer_enable()  local
455 	struct device *dev = &timer->pdev->dev;  in omap_dm_timer_enable()
460 		dev_err(dev, "could not enable timer\n");  in omap_dm_timer_enable()
465 	struct dmtimer *timer = to_dmtimer(cookie);  in omap_dm_timer_disable()  local
466 	struct device *dev = &timer->pdev->dev;  in omap_dm_timer_disable()
471 static int omap_dm_timer_prepare(struct dmtimer *timer)  in omap_dm_timer_prepare()  argument
473 	struct device *dev = &timer->pdev->dev;  in omap_dm_timer_prepare()
480 	if (timer->capability & OMAP_TIMER_NEEDS_RESET) {  in omap_dm_timer_prepare()
481 		rc = omap_dm_timer_reset(timer);  in omap_dm_timer_prepare()
488 	__omap_dm_timer_enable_posted(timer);  in omap_dm_timer_prepare()
501 	struct dmtimer *timer = NULL, *t;  in _omap_dm_timer_request()  local
530 				timer = t;  in _omap_dm_timer_request()
531 				timer->reserved = 1;  in _omap_dm_timer_request()
538 				 * If timer is not NULL, we have already found  in _omap_dm_timer_request()
539 				 * one timer. But it was not an exact match  in _omap_dm_timer_request()
542 				 * timer found and see if this one is a better  in _omap_dm_timer_request()
545 				if (timer)  in _omap_dm_timer_request()
546 					timer->reserved = 0;  in _omap_dm_timer_request()
547 				timer = t;  in _omap_dm_timer_request()
548 				timer->reserved = 1;  in _omap_dm_timer_request()
557 				timer = t;  in _omap_dm_timer_request()
558 				timer->reserved = 1;  in _omap_dm_timer_request()
564 			timer = t;  in _omap_dm_timer_request()
565 			timer->reserved = 1;  in _omap_dm_timer_request()
572 	if (timer && omap_dm_timer_prepare(timer)) {  in _omap_dm_timer_request()
573 		timer->reserved = 0;  in _omap_dm_timer_request()
574 		timer = NULL;  in _omap_dm_timer_request()
577 	if (!timer)  in _omap_dm_timer_request()
578 		pr_debug("%s: timer request failed!\n", __func__);  in _omap_dm_timer_request()
580 	return timer;  in _omap_dm_timer_request()
585 	struct dmtimer *timer;  in omap_dm_timer_request()  local
587 	timer = _omap_dm_timer_request(REQUEST_ANY, NULL);  in omap_dm_timer_request()
588 	if (!timer)  in omap_dm_timer_request()
591 	return &timer->cookie;  in omap_dm_timer_request()
596 	struct dmtimer *timer;  in omap_dm_timer_request_specific()  local
598 	/* Requesting timer by ID is not supported when device tree is used */  in omap_dm_timer_request_specific()
605 	timer = _omap_dm_timer_request(REQUEST_BY_ID, &id);  in omap_dm_timer_request_specific()
606 	if (!timer)  in omap_dm_timer_request_specific()
609 	return &timer->cookie;  in omap_dm_timer_request_specific()
613  * omap_dm_timer_request_by_node - Request a timer by device-tree node
614  * @np:		Pointer to device-tree timer node
616  * Request a timer based upon a device node pointer. Returns pointer to
617  * timer handle on success and a NULL pointer on failure.
621 	struct dmtimer *timer;  in omap_dm_timer_request_by_node()  local
626 	timer = _omap_dm_timer_request(REQUEST_BY_NODE, np);  in omap_dm_timer_request_by_node()
627 	if (!timer)  in omap_dm_timer_request_by_node()
630 	return &timer->cookie;  in omap_dm_timer_request_by_node()
635 	struct dmtimer *timer;  in omap_dm_timer_free()  local
637 	timer = to_dmtimer(cookie);  in omap_dm_timer_free()
638 	if (unlikely(!timer))  in omap_dm_timer_free()
641 	WARN_ON(!timer->reserved);  in omap_dm_timer_free()
642 	timer->reserved = 0;  in omap_dm_timer_free()
648 	struct dmtimer *timer = to_dmtimer(cookie);  in omap_dm_timer_get_irq()  local
649 	if (timer)  in omap_dm_timer_get_irq()
650 		return timer->irq;  in omap_dm_timer_get_irq()
669 	struct dmtimer *timer = NULL;  in omap_dm_timer_modify_idlect_mask()  local
676 	/* If any active timer is using ARMXOR return modified mask */  in omap_dm_timer_modify_idlect_mask()
678 	list_for_each_entry(timer, &omap_timer_list, node) {  in omap_dm_timer_modify_idlect_mask()
681 		l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_modify_idlect_mask()
699 	struct dmtimer *timer = to_dmtimer(cookie);  in omap_dm_timer_get_fclk()  local
701 	if (timer && !IS_ERR(timer->fclk))  in omap_dm_timer_get_fclk()
702 		return timer->fclk;  in omap_dm_timer_get_fclk()
717 	struct dmtimer *timer;  in omap_dm_timer_start()  local
722 	timer = to_dmtimer(cookie);  in omap_dm_timer_start()
723 	if (unlikely(!timer))  in omap_dm_timer_start()
726 	dev = &timer->pdev->dev;  in omap_dm_timer_start()
732 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_start()
735 		dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in omap_dm_timer_start()
743 	struct dmtimer *timer;  in omap_dm_timer_stop()  local
747 	timer = to_dmtimer(cookie);  in omap_dm_timer_stop()
748 	if (unlikely(!timer))  in omap_dm_timer_stop()
751 	dev = &timer->pdev->dev;  in omap_dm_timer_stop()
753 	if (!timer->omap1)  in omap_dm_timer_stop()
754 		rate = clk_get_rate(timer->fclk);  in omap_dm_timer_stop()
756 	__omap_dm_timer_stop(timer, rate);  in omap_dm_timer_stop()
766 	struct dmtimer *timer;  in omap_dm_timer_set_load()  local
770 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_load()
771 	if (unlikely(!timer))  in omap_dm_timer_set_load()
774 	dev = &timer->pdev->dev;  in omap_dm_timer_set_load()
779 	dmtimer_write(timer, OMAP_TIMER_LOAD_REG, load);  in omap_dm_timer_set_load()
789 	struct dmtimer *timer;  in omap_dm_timer_set_match()  local
794 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_match()
795 	if (unlikely(!timer))  in omap_dm_timer_set_match()
798 	dev = &timer->pdev->dev;  in omap_dm_timer_set_match()
803 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_set_match()
808 	dmtimer_write(timer, OMAP_TIMER_MATCH_REG, match);  in omap_dm_timer_set_match()
809 	dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in omap_dm_timer_set_match()
819 	struct dmtimer *timer;  in omap_dm_timer_set_pwm()  local
824 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_pwm()
825 	if (unlikely(!timer))  in omap_dm_timer_set_pwm()
828 	dev = &timer->pdev->dev;  in omap_dm_timer_set_pwm()
833 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_set_pwm()
843 	dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in omap_dm_timer_set_pwm()
852 	struct dmtimer *timer;  in omap_dm_timer_get_pwm_status()  local
857 	timer = to_dmtimer(cookie);  in omap_dm_timer_get_pwm_status()
858 	if (unlikely(!timer))  in omap_dm_timer_get_pwm_status()
861 	dev = &timer->pdev->dev;  in omap_dm_timer_get_pwm_status()
866 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_get_pwm_status()
876 	struct dmtimer *timer;  in omap_dm_timer_set_prescaler()  local
881 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_prescaler()
882 	if (unlikely(!timer) || prescaler < -1 || prescaler > 7)  in omap_dm_timer_set_prescaler()
885 	dev = &timer->pdev->dev;  in omap_dm_timer_set_prescaler()
890 	l = dmtimer_read(timer, OMAP_TIMER_CTRL_REG);  in omap_dm_timer_set_prescaler()
896 	dmtimer_write(timer, OMAP_TIMER_CTRL_REG, l);  in omap_dm_timer_set_prescaler()
906 	struct dmtimer *timer;  in omap_dm_timer_set_int_enable()  local
910 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_int_enable()
911 	if (unlikely(!timer))  in omap_dm_timer_set_int_enable()
914 	dev = &timer->pdev->dev;  in omap_dm_timer_set_int_enable()
919 	__omap_dm_timer_int_enable(timer, value);  in omap_dm_timer_set_int_enable()
927  * omap_dm_timer_set_int_disable - disable timer interrupts
928  * @timer:	pointer to timer handle
931  * Disables the specified timer interrupts for a timer.
935 	struct dmtimer *timer;  in omap_dm_timer_set_int_disable()  local
940 	timer = to_dmtimer(cookie);  in omap_dm_timer_set_int_disable()
941 	if (unlikely(!timer))  in omap_dm_timer_set_int_disable()
944 	dev = &timer->pdev->dev;  in omap_dm_timer_set_int_disable()
949 	if (timer->revision == 1)  in omap_dm_timer_set_int_disable()
950 		l = dmtimer_read(timer, timer->irq_ena) & ~mask;  in omap_dm_timer_set_int_disable()
952 	dmtimer_write(timer, timer->irq_dis, l);  in omap_dm_timer_set_int_disable()
953 	l = dmtimer_read(timer, OMAP_TIMER_WAKEUP_EN_REG) & ~mask;  in omap_dm_timer_set_int_disable()
954 	dmtimer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, l);  in omap_dm_timer_set_int_disable()
963 	struct dmtimer *timer;  in omap_dm_timer_read_status()  local
966 	timer = to_dmtimer(cookie);  in omap_dm_timer_read_status()
967 	if (unlikely(!timer || !atomic_read(&timer->enabled))) {  in omap_dm_timer_read_status()
968 		pr_err("%s: timer not available or enabled.\n", __func__);  in omap_dm_timer_read_status()
972 	l = dmtimer_read(timer, timer->irq_stat);  in omap_dm_timer_read_status()
979 	struct dmtimer *timer;  in omap_dm_timer_write_status()  local
981 	timer = to_dmtimer(cookie);  in omap_dm_timer_write_status()
982 	if (unlikely(!timer || !atomic_read(&timer->enabled)))  in omap_dm_timer_write_status()
985 	__omap_dm_timer_write_status(timer, value);  in omap_dm_timer_write_status()
992 	struct dmtimer *timer;  in omap_dm_timer_read_counter()  local
994 	timer = to_dmtimer(cookie);  in omap_dm_timer_read_counter()
995 	if (unlikely(!timer || !atomic_read(&timer->enabled))) {  in omap_dm_timer_read_counter()
996 		pr_err("%s: timer not iavailable or enabled.\n", __func__);  in omap_dm_timer_read_counter()
1000 	return __omap_dm_timer_read_counter(timer);  in omap_dm_timer_read_counter()
1005 	struct dmtimer *timer;  in omap_dm_timer_write_counter()  local
1007 	timer = to_dmtimer(cookie);  in omap_dm_timer_write_counter()
1008 	if (unlikely(!timer || !atomic_read(&timer->enabled))) {  in omap_dm_timer_write_counter()
1009 		pr_err("%s: timer not available or enabled.\n", __func__);  in omap_dm_timer_write_counter()
1013 	dmtimer_write(timer, OMAP_TIMER_COUNTER_REG, value);  in omap_dm_timer_write_counter()
1016 	timer->context.tcrr = value;  in omap_dm_timer_write_counter()
1022 	struct dmtimer *timer = dev_get_drvdata(dev);  in omap_dm_timer_runtime_suspend()  local
1024 	atomic_set(&timer->enabled, 0);  in omap_dm_timer_runtime_suspend()
1026 	if (timer->capability & OMAP_TIMER_ALWON || !timer->func_base)  in omap_dm_timer_runtime_suspend()
1029 	omap_timer_save_context(timer);  in omap_dm_timer_runtime_suspend()
1036 	struct dmtimer *timer = dev_get_drvdata(dev);  in omap_dm_timer_runtime_resume()  local
1038 	if (!(timer->capability & OMAP_TIMER_ALWON) && timer->func_base)  in omap_dm_timer_runtime_resume()
1039 		omap_timer_restore_context(timer);  in omap_dm_timer_runtime_resume()
1041 	atomic_set(&timer->enabled, 1);  in omap_dm_timer_runtime_resume()
1055  * @pdev:	pointer to current timer platform device
1058  * timer devices.
1063 	struct dmtimer *timer;  in omap_dm_timer_probe()  local
1079 	timer = devm_kzalloc(dev, sizeof(*timer), GFP_KERNEL);  in omap_dm_timer_probe()
1080 	if (!timer)  in omap_dm_timer_probe()
1083 	timer->irq = platform_get_irq(pdev, 0);  in omap_dm_timer_probe()
1084 	if (timer->irq < 0)  in omap_dm_timer_probe()
1085 		return timer->irq;  in omap_dm_timer_probe()
1087 	timer->io_base = devm_platform_ioremap_resource(pdev, 0);  in omap_dm_timer_probe()
1088 	if (IS_ERR(timer->io_base))  in omap_dm_timer_probe()
1089 		return PTR_ERR(timer->io_base);  in omap_dm_timer_probe()
1091 	platform_set_drvdata(pdev, timer);  in omap_dm_timer_probe()
1094 		if (of_find_property(dev->of_node, "ti,timer-alwon", NULL))  in omap_dm_timer_probe()
1095 			timer->capability |= OMAP_TIMER_ALWON;  in omap_dm_timer_probe()
1096 		if (of_find_property(dev->of_node, "ti,timer-dsp", NULL))  in omap_dm_timer_probe()
1097 			timer->capability |= OMAP_TIMER_HAS_DSP_IRQ;  in omap_dm_timer_probe()
1098 		if (of_find_property(dev->of_node, "ti,timer-pwm", NULL))  in omap_dm_timer_probe()
1099 			timer->capability |= OMAP_TIMER_HAS_PWM;  in omap_dm_timer_probe()
1100 		if (of_find_property(dev->of_node, "ti,timer-secure", NULL))  in omap_dm_timer_probe()
1101 			timer->capability |= OMAP_TIMER_SECURE;  in omap_dm_timer_probe()
1103 		timer->id = pdev->id;  in omap_dm_timer_probe()
1104 		timer->capability = pdata->timer_capability;  in omap_dm_timer_probe()
1105 		timer->reserved = omap_dm_timer_reserved_systimer(timer->id);  in omap_dm_timer_probe()
1108 	timer->omap1 = timer->capability & OMAP_TIMER_NEEDS_RESET;  in omap_dm_timer_probe()
1111 	if (!timer->omap1) {  in omap_dm_timer_probe()
1112 		timer->fclk = devm_clk_get(dev, "fck");  in omap_dm_timer_probe()
1113 		if (IS_ERR(timer->fclk))  in omap_dm_timer_probe()
1114 			return PTR_ERR(timer->fclk);  in omap_dm_timer_probe()
1116 		timer->fclk = ERR_PTR(-ENODEV);  in omap_dm_timer_probe()
1119 	if (!(timer->capability & OMAP_TIMER_ALWON)) {  in omap_dm_timer_probe()
1120 		timer->nb.notifier_call = omap_timer_context_notifier;  in omap_dm_timer_probe()
1121 		cpu_pm_register_notifier(&timer->nb);  in omap_dm_timer_probe()
1124 	timer->errata = pdata->timer_errata;  in omap_dm_timer_probe()
1126 	timer->pdev = pdev;  in omap_dm_timer_probe()
1130 	if (!timer->reserved) {  in omap_dm_timer_probe()
1137 		__omap_dm_timer_init_regs(timer);  in omap_dm_timer_probe()
1141 	/* add the timer element to the list */  in omap_dm_timer_probe()
1143 	list_add_tail(&timer->node, &omap_timer_list);  in omap_dm_timer_probe()
1156  * omap_dm_timer_remove - cleanup a registered timer device
1157  * @pdev:	pointer to current timer platform device
1159  * Called by driver framework whenever a timer device is unregistered.
1160  * In addition to freeing platform resources it also deletes the timer
1165 	struct dmtimer *timer;  in omap_dm_timer_remove()  local
1170 	list_for_each_entry(timer, &omap_timer_list, node)  in omap_dm_timer_remove()
1171 		if (!strcmp(dev_name(&timer->pdev->dev),  in omap_dm_timer_remove()
1173 			if (!(timer->capability & OMAP_TIMER_ALWON))  in omap_dm_timer_remove()
1174 				cpu_pm_unregister_notifier(&timer->nb);  in omap_dm_timer_remove()
1175 			list_del(&timer->node);  in omap_dm_timer_remove()
1222 		.compatible = "ti,omap2420-timer",
1225 		.compatible = "ti,omap3430-timer",
1229 		.compatible = "ti,omap4430-timer",
1233 		.compatible = "ti,omap5430-timer",
1237 		.compatible = "ti,am335x-timer",
1241 		.compatible = "ti,am335x-timer-1ms",
1245 		.compatible = "ti,dm816-timer",
1249 		.compatible = "ti,am654-timer",
1268 MODULE_DESCRIPTION("OMAP Dual-Mode Timer Driver");