108 static struct tegra186_tmr *tegra186_tmr_create(struct tegra186_timer *tegra,  in tegra186_tmr_create()  argument
114 	tmr = devm_kzalloc(tegra->dev, sizeof(*tmr), GFP_KERNEL);  in tegra186_tmr_create()
118 	tmr->parent = tegra;  in tegra186_tmr_create()
119 	tmr->regs = tegra->regs + offset;  in tegra186_tmr_create()
143 	struct tegra186_timer *tegra = wdt->tmr->parent;  in tegra186_wdt_enable()  local
148 	writel(value, tegra->regs + TKEIE(wdt->tmr->hwirq));  in tegra186_wdt_enable()
245 static struct tegra186_wdt *tegra186_wdt_create(struct tegra186_timer *tegra,  in tegra186_wdt_create()  argument
253 	offset += tegra->soc->num_timers * 0x10000 + index * 0x10000;  in tegra186_wdt_create()
255 	wdt = devm_kzalloc(tegra->dev, sizeof(*wdt), GFP_KERNEL);  in tegra186_wdt_create()
259 	wdt->regs = tegra->regs + offset;  in tegra186_wdt_create()
270 	wdt->tmr = tegra186_tmr_create(tegra, source);  in tegra186_wdt_create()
278 	wdt->base.parent = tegra->dev;  in tegra186_wdt_create()
280 	err = watchdog_init_timeout(&wdt->base, 5, tegra->dev);  in tegra186_wdt_create()
282 		dev_err(tegra->dev, "failed to initialize timeout: %d\n", err);  in tegra186_wdt_create()
286 	err = devm_watchdog_register_device(tegra->dev, &wdt->base);  in tegra186_wdt_create()
288 		dev_err(tegra->dev, "failed to register WDT: %d\n", err);  in tegra186_wdt_create()
297 	struct tegra186_timer *tegra = container_of(cs, struct tegra186_timer,  in tegra186_timer_tsc_read()  local
301 	hi = readl_relaxed(tegra->regs + TKETSC1);  in tegra186_timer_tsc_read()
312 		lo = readl_relaxed(tegra->regs + TKETSC0);  in tegra186_timer_tsc_read()
313 		hi = readl_relaxed(tegra->regs + TKETSC1);  in tegra186_timer_tsc_read()
319 static int tegra186_timer_tsc_init(struct tegra186_timer *tegra)  in tegra186_timer_tsc_init()  argument
321 	tegra->tsc.name = "tsc";  in tegra186_timer_tsc_init()
322 	tegra->tsc.rating = 300;  in tegra186_timer_tsc_init()
323 	tegra->tsc.read = tegra186_timer_tsc_read;  in tegra186_timer_tsc_init()
324 	tegra->tsc.mask = CLOCKSOURCE_MASK(56);  in tegra186_timer_tsc_init()
325 	tegra->tsc.flags = CLOCK_SOURCE_IS_CONTINUOUS;  in tegra186_timer_tsc_init()
327 	return clocksource_register_hz(&tegra->tsc, 31250000);  in tegra186_timer_tsc_init()
332 	struct tegra186_timer *tegra = container_of(cs, struct tegra186_timer,  in tegra186_timer_osc_read()  local
335 	return readl_relaxed(tegra->regs + TKEOSC);  in tegra186_timer_osc_read()
338 static int tegra186_timer_osc_init(struct tegra186_timer *tegra)  in tegra186_timer_osc_init()  argument
340 	tegra->osc.name = "osc";  in tegra186_timer_osc_init()
341 	tegra->osc.rating = 300;  in tegra186_timer_osc_init()
342 	tegra->osc.read = tegra186_timer_osc_read;  in tegra186_timer_osc_init()
343 	tegra->osc.mask = CLOCKSOURCE_MASK(32);  in tegra186_timer_osc_init()
344 	tegra->osc.flags = CLOCK_SOURCE_IS_CONTINUOUS;  in tegra186_timer_osc_init()
346 	return clocksource_register_hz(&tegra->osc, 38400000);  in tegra186_timer_osc_init()
351 	struct tegra186_timer *tegra = container_of(cs, struct tegra186_timer,  in tegra186_timer_usec_read()  local
354 	return readl_relaxed(tegra->regs + TKEUSEC);  in tegra186_timer_usec_read()
357 static int tegra186_timer_usec_init(struct tegra186_timer *tegra)  in tegra186_timer_usec_init()  argument
359 	tegra->usec.name = "usec";  in tegra186_timer_usec_init()
360 	tegra->usec.rating = 300;  in tegra186_timer_usec_init()
361 	tegra->usec.read = tegra186_timer_usec_read;  in tegra186_timer_usec_init()
362 	tegra->usec.mask = CLOCKSOURCE_MASK(32);  in tegra186_timer_usec_init()
363 	tegra->usec.flags = CLOCK_SOURCE_IS_CONTINUOUS;  in tegra186_timer_usec_init()
365 	return clocksource_register_hz(&tegra->usec, USEC_PER_SEC);  in tegra186_timer_usec_init()
370 	struct tegra186_timer *tegra = data;  in tegra186_timer_irq()  local
372 	if (watchdog_active(&tegra->wdt->base)) {  in tegra186_timer_irq()
373 		tegra186_wdt_disable(tegra->wdt);  in tegra186_timer_irq()
374 		tegra186_wdt_enable(tegra->wdt);  in tegra186_timer_irq()
383 	struct tegra186_timer *tegra;  in tegra186_timer_probe()  local
387 	tegra = devm_kzalloc(dev, sizeof(*tegra), GFP_KERNEL);  in tegra186_timer_probe()
388 	if (!tegra)  in tegra186_timer_probe()
391 	tegra->soc = of_device_get_match_data(dev);  in tegra186_timer_probe()
392 	dev_set_drvdata(dev, tegra);  in tegra186_timer_probe()
393 	tegra->dev = dev;  in tegra186_timer_probe()
395 	tegra->regs = devm_platform_ioremap_resource(pdev, 0);  in tegra186_timer_probe()
396 	if (IS_ERR(tegra->regs))  in tegra186_timer_probe()
397 		return PTR_ERR(tegra->regs);  in tegra186_timer_probe()
406 	tegra->wdt = tegra186_wdt_create(tegra, 0);  in tegra186_timer_probe()
407 	if (IS_ERR(tegra->wdt)) {  in tegra186_timer_probe()
408 		err = PTR_ERR(tegra->wdt);  in tegra186_timer_probe()
413 	err = tegra186_timer_tsc_init(tegra);  in tegra186_timer_probe()
419 	err = tegra186_timer_osc_init(tegra);  in tegra186_timer_probe()
425 	err = tegra186_timer_usec_init(tegra);  in tegra186_timer_probe()
432 			       "tegra186-timer", tegra);  in tegra186_timer_probe()
441 	clocksource_unregister(&tegra->usec);  in tegra186_timer_probe()
443 	clocksource_unregister(&tegra->osc);  in tegra186_timer_probe()
445 	clocksource_unregister(&tegra->tsc);  in tegra186_timer_probe()
451 	struct tegra186_timer *tegra = platform_get_drvdata(pdev);  in tegra186_timer_remove()  local
453 	clocksource_unregister(&tegra->usec);  in tegra186_timer_remove()
454 	clocksource_unregister(&tegra->osc);  in tegra186_timer_remove()
455 	clocksource_unregister(&tegra->tsc);  in tegra186_timer_remove()
460 	struct tegra186_timer *tegra = dev_get_drvdata(dev);  in tegra186_timer_suspend()  local
462 	if (watchdog_active(&tegra->wdt->base))  in tegra186_timer_suspend()
463 		tegra186_wdt_disable(tegra->wdt);  in tegra186_timer_suspend()
470 	struct tegra186_timer *tegra = dev_get_drvdata(dev);  in tegra186_timer_resume()  local
472 	if (watchdog_active(&tegra->wdt->base))  in tegra186_timer_resume()
473 		tegra186_wdt_enable(tegra->wdt);  in tegra186_timer_resume()