23 /* OST register offsets */
69 	struct ingenic_ost *ost;  member
98 	prescale = readl(ost_clk->ost->base + info->ostccr_reg);  in ingenic_ost_percpu_timer_recalc_rate()
112 	prescale = readl(ost_clk->ost->base + info->ostccr_reg);  in ingenic_ost_global_timer_recalc_rate()
157 	val = readl(ost_clk->ost->base + info->ostccr_reg);  in ingenic_ost_percpu_timer_set_rate()
160 	writel(val, ost_clk->ost->base + info->ostccr_reg);  in ingenic_ost_percpu_timer_set_rate()
173 	val = readl(ost_clk->ost->base + info->ostccr_reg);  in ingenic_ost_global_timer_set_rate()
176 	writel(val, ost_clk->ost->base + info->ostccr_reg);  in ingenic_ost_global_timer_set_rate()
221 	struct ingenic_ost *ost = ingenic_ost;  in ingenic_ost_global_timer_read_cntl()  local
224 	count = readl(ost->base + OST_REG_OST2CNTL);  in ingenic_ost_global_timer_read_cntl()
241 	struct ingenic_ost *ost = to_ingenic_ost(evt);  in ingenic_ost_cevt_set_state_shutdown()  local
243 	writel(OSTECR_OST1ENC, ost->base + OST_REG_OSTECR);  in ingenic_ost_cevt_set_state_shutdown()
251 	struct ingenic_ost *ost = to_ingenic_ost(evt);  in ingenic_ost_cevt_set_next()  local
253 	writel((u32)~OSTFR_FFLAG, ost->base + OST_REG_OSTFR);  in ingenic_ost_cevt_set_next()
254 	writel(next, ost->base + OST_REG_OST1DFR);  in ingenic_ost_cevt_set_next()
255 	writel(OSTCR_OST1CLR, ost->base + OST_REG_OSTCR);  in ingenic_ost_cevt_set_next()
256 	writel(OSTESR_OST1ENS, ost->base + OST_REG_OSTESR);  in ingenic_ost_cevt_set_next()
257 	writel((u32)~OSTMR_FMASK, ost->base + OST_REG_OSTMR);  in ingenic_ost_cevt_set_next()
265 	struct ingenic_ost *ost = to_ingenic_ost(evt);  in ingenic_ost_cevt_cb()  local
267 	writel(OSTECR_OST1ENC, ost->base + OST_REG_OSTECR);  in ingenic_ost_cevt_cb()
275 static int __init ingenic_ost_register_clock(struct ingenic_ost *ost,  in ingenic_ost_register_clock()  argument
289 	ost_clk->ost = ost;  in ingenic_ost_register_clock()
292 	val = readl(ost->base + info->ostccr_reg);  in ingenic_ost_register_clock()
294 	writel(val, ost->base + info->ostccr_reg);  in ingenic_ost_register_clock()
319 					 struct ingenic_ost *ost)  in ingenic_ost_percpu_timer_init()  argument
325 	ost->percpu_timer_clk = ingenic_ost_get_clock(np, channel);  in ingenic_ost_percpu_timer_init()
326 	if (IS_ERR(ost->percpu_timer_clk))  in ingenic_ost_percpu_timer_init()
327 		return PTR_ERR(ost->percpu_timer_clk);  in ingenic_ost_percpu_timer_init()
329 	err = clk_prepare_enable(ost->percpu_timer_clk);  in ingenic_ost_percpu_timer_init()
333 	rate = clk_get_rate(ost->percpu_timer_clk);  in ingenic_ost_percpu_timer_init()
345 	snprintf(ost->name, sizeof(ost->name), "OST percpu timer");  in ingenic_ost_percpu_timer_init()
348 			  ost->name, &ost->cevt);  in ingenic_ost_percpu_timer_init()
352 	ost->cevt.cpumask = cpumask_of(smp_processor_id());  in ingenic_ost_percpu_timer_init()
353 	ost->cevt.features = CLOCK_EVT_FEAT_ONESHOT;  in ingenic_ost_percpu_timer_init()
354 	ost->cevt.name = ost->name;  in ingenic_ost_percpu_timer_init()
355 	ost->cevt.rating = 400;  in ingenic_ost_percpu_timer_init()
356 	ost->cevt.set_state_shutdown = ingenic_ost_cevt_set_state_shutdown;  in ingenic_ost_percpu_timer_init()
357 	ost->cevt.set_next_event = ingenic_ost_cevt_set_next;  in ingenic_ost_percpu_timer_init()
359 	clockevents_config_and_register(&ost->cevt, rate, 4, 0xffffffff);  in ingenic_ost_percpu_timer_init()
366 	clk_disable_unprepare(ost->percpu_timer_clk);  in ingenic_ost_percpu_timer_init()
368 	clk_put(ost->percpu_timer_clk);  in ingenic_ost_percpu_timer_init()
373 					       struct ingenic_ost *ost)  in ingenic_ost_global_timer_init()  argument
376 	struct clocksource *cs = &ost->cs;  in ingenic_ost_global_timer_init()
380 	ost->global_timer_clk = ingenic_ost_get_clock(np, channel);  in ingenic_ost_global_timer_init()
381 	if (IS_ERR(ost->global_timer_clk))  in ingenic_ost_global_timer_init()
382 		return PTR_ERR(ost->global_timer_clk);  in ingenic_ost_global_timer_init()
384 	err = clk_prepare_enable(ost->global_timer_clk);  in ingenic_ost_global_timer_init()
388 	rate = clk_get_rate(ost->global_timer_clk);  in ingenic_ost_global_timer_init()
395 	writel(OSTCR_OST2CLR, ost->base + OST_REG_OSTCR);  in ingenic_ost_global_timer_init()
397 	/* Enable OST channel */  in ingenic_ost_global_timer_init()
398 	writel(OSTESR_OST2ENS, ost->base + OST_REG_OSTESR);  in ingenic_ost_global_timer_init()
400 	cs->name = "ingenic-ost";  in ingenic_ost_global_timer_init()
413 	clk_disable_unprepare(ost->global_timer_clk);  in ingenic_ost_global_timer_init()
415 	clk_put(ost->global_timer_clk);  in ingenic_ost_global_timer_init()
424 	{ .compatible = "ingenic,x1000-ost", .data = &x1000_soc_info },
431 	struct ingenic_ost *ost;  in ingenic_ost_probe()  local
435 	ost = kzalloc(sizeof(*ost), GFP_KERNEL);  in ingenic_ost_probe()
436 	if (!ost)  in ingenic_ost_probe()
439 	ost->base = of_io_request_and_map(np, 0, of_node_full_name(np));  in ingenic_ost_probe()
440 	if (IS_ERR(ost->base)) {  in ingenic_ost_probe()
441 		pr_err("%s: Failed to map OST registers\n", __func__);  in ingenic_ost_probe()
442 		ret = PTR_ERR(ost->base);  in ingenic_ost_probe()
446 	ost->clk = of_clk_get_by_name(np, "ost");  in ingenic_ost_probe()
447 	if (IS_ERR(ost->clk)) {  in ingenic_ost_probe()
448 		ret = PTR_ERR(ost->clk);  in ingenic_ost_probe()
449 		pr_crit("%s: Cannot get OST clock\n", __func__);  in ingenic_ost_probe()
453 	ret = clk_prepare_enable(ost->clk);  in ingenic_ost_probe()
455 		pr_crit("%s: Unable to enable OST clock\n", __func__);  in ingenic_ost_probe()
459 	ost->soc_info = id->data;  in ingenic_ost_probe()
461 	ost->clocks = kzalloc(struct_size(ost->clocks, hws, ost->soc_info->num_channels),  in ingenic_ost_probe()
463 	if (!ost->clocks) {  in ingenic_ost_probe()
468 	ost->clocks->num = ost->soc_info->num_channels;  in ingenic_ost_probe()
470 	for (i = 0; i < ost->clocks->num; i++) {  in ingenic_ost_probe()
471 		ret = ingenic_ost_register_clock(ost, i, &x1000_ost_clk_info[i], ost->clocks);  in ingenic_ost_probe()
478 	ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, ost->clocks);  in ingenic_ost_probe()
484 	ingenic_ost = ost;  in ingenic_ost_probe()
489 	for (i = 0; i < ost->clocks->num; i++)  in ingenic_ost_probe()
490 		if (ost->clocks->hws[i])  in ingenic_ost_probe()
491 			clk_hw_unregister(ost->clocks->hws[i]);  in ingenic_ost_probe()
492 	kfree(ost->clocks);  in ingenic_ost_probe()
494 	clk_disable_unprepare(ost->clk);  in ingenic_ost_probe()
496 	clk_put(ost->clk);  in ingenic_ost_probe()
498 	kfree(ost);  in ingenic_ost_probe()
504 	struct ingenic_ost *ost;  in ingenic_ost_init()  local
510 		pr_crit("%s: Failed to initialize OST clocks: %d\n", __func__, ret);  in ingenic_ost_init()
516 	ost = ingenic_ost;  in ingenic_ost_init()
517 	if (IS_ERR(ost))  in ingenic_ost_init()
518 		return PTR_ERR(ost);  in ingenic_ost_init()
520 	ret = ingenic_ost_global_timer_init(np, ost);  in ingenic_ost_init()
526 	ret = ingenic_ost_percpu_timer_init(np, ost);  in ingenic_ost_init()
531 	rate = clk_get_rate(ost->global_timer_clk);  in ingenic_ost_init()
537 	clocksource_unregister(&ost->cs);  in ingenic_ost_init()
538 	clk_disable_unprepare(ost->global_timer_clk);  in ingenic_ost_init()
539 	clk_put(ost->global_timer_clk);  in ingenic_ost_init()
541 	kfree(ost);  in ingenic_ost_init()
545 TIMER_OF_DECLARE(x1000_ost,  "ingenic,x1000-ost",  ingenic_ost_init);