109 static struct tegra186_tmr *tegra186_tmr_create(struct tegra186_timer *tegra,  in tegra186_tmr_create()  argument
115 	tmr = devm_kzalloc(tegra->dev, sizeof(*tmr), GFP_KERNEL);  in tegra186_tmr_create()
119 	tmr->parent = tegra;  in tegra186_tmr_create()
120 	tmr->regs = tegra->regs + offset;  in tegra186_tmr_create()
144 	struct tegra186_timer *tegra = wdt->tmr->parent;  in tegra186_wdt_enable()  local
149 	writel(value, tegra->regs + TKEIE(wdt->tmr->hwirq));  in tegra186_wdt_enable()
246 static struct tegra186_wdt *tegra186_wdt_create(struct tegra186_timer *tegra,  in tegra186_wdt_create()  argument
254 	offset += tegra->soc->num_timers * 0x10000 + index * 0x10000;  in tegra186_wdt_create()
256 	wdt = devm_kzalloc(tegra->dev, sizeof(*wdt), GFP_KERNEL);  in tegra186_wdt_create()
260 	wdt->regs = tegra->regs + offset;  in tegra186_wdt_create()
271 	wdt->tmr = tegra186_tmr_create(tegra, source);  in tegra186_wdt_create()
279 	wdt->base.parent = tegra->dev;  in tegra186_wdt_create()
281 	err = watchdog_init_timeout(&wdt->base, 5, tegra->dev);  in tegra186_wdt_create()
283 		dev_err(tegra->dev, "failed to initialize timeout: %d\n", err);  in tegra186_wdt_create()
287 	err = devm_watchdog_register_device(tegra->dev, &wdt->base);  in tegra186_wdt_create()
289 		dev_err(tegra->dev, "failed to register WDT: %d\n", err);  in tegra186_wdt_create()
298 	struct tegra186_timer *tegra = container_of(cs, struct tegra186_timer,  in tegra186_timer_tsc_read()  local
302 	hi = readl_relaxed(tegra->regs + TKETSC1);  in tegra186_timer_tsc_read()
313 		lo = readl_relaxed(tegra->regs + TKETSC0);  in tegra186_timer_tsc_read()
314 		hi = readl_relaxed(tegra->regs + TKETSC1);  in tegra186_timer_tsc_read()
320 static int tegra186_timer_tsc_init(struct tegra186_timer *tegra)  in tegra186_timer_tsc_init()  argument
322 	tegra->tsc.name = "tsc";  in tegra186_timer_tsc_init()
323 	tegra->tsc.rating = 300;  in tegra186_timer_tsc_init()
324 	tegra->tsc.read = tegra186_timer_tsc_read;  in tegra186_timer_tsc_init()
325 	tegra->tsc.mask = CLOCKSOURCE_MASK(56);  in tegra186_timer_tsc_init()
326 	tegra->tsc.flags = CLOCK_SOURCE_IS_CONTINUOUS;  in tegra186_timer_tsc_init()
328 	return clocksource_register_hz(&tegra->tsc, 31250000);  in tegra186_timer_tsc_init()
333 	struct tegra186_timer *tegra = container_of(cs, struct tegra186_timer,  in tegra186_timer_osc_read()  local
336 	return readl_relaxed(tegra->regs + TKEOSC);  in tegra186_timer_osc_read()
339 static int tegra186_timer_osc_init(struct tegra186_timer *tegra)  in tegra186_timer_osc_init()  argument
341 	tegra->osc.name = "osc";  in tegra186_timer_osc_init()
342 	tegra->osc.rating = 300;  in tegra186_timer_osc_init()
343 	tegra->osc.read = tegra186_timer_osc_read;  in tegra186_timer_osc_init()
344 	tegra->osc.mask = CLOCKSOURCE_MASK(32);  in tegra186_timer_osc_init()
345 	tegra->osc.flags = CLOCK_SOURCE_IS_CONTINUOUS;  in tegra186_timer_osc_init()
347 	return clocksource_register_hz(&tegra->osc, 38400000);  in tegra186_timer_osc_init()
352 	struct tegra186_timer *tegra = container_of(cs, struct tegra186_timer,  in tegra186_timer_usec_read()  local
355 	return readl_relaxed(tegra->regs + TKEUSEC);  in tegra186_timer_usec_read()
358 static int tegra186_timer_usec_init(struct tegra186_timer *tegra)  in tegra186_timer_usec_init()  argument
360 	tegra->usec.name = "usec";  in tegra186_timer_usec_init()
361 	tegra->usec.rating = 300;  in tegra186_timer_usec_init()
362 	tegra->usec.read = tegra186_timer_usec_read;  in tegra186_timer_usec_init()
363 	tegra->usec.mask = CLOCKSOURCE_MASK(32);  in tegra186_timer_usec_init()
364 	tegra->usec.flags = CLOCK_SOURCE_IS_CONTINUOUS;  in tegra186_timer_usec_init()
366 	return clocksource_register_hz(&tegra->usec, USEC_PER_SEC);  in tegra186_timer_usec_init()
371 	struct tegra186_timer *tegra = data;  in tegra186_timer_irq()  local
373 	if (watchdog_active(&tegra->wdt->base)) {  in tegra186_timer_irq()
374 		tegra186_wdt_disable(tegra->wdt);  in tegra186_timer_irq()
375 		tegra186_wdt_enable(tegra->wdt);  in tegra186_timer_irq()
384 	struct tegra186_timer *tegra;  in tegra186_timer_probe()  local
388 	tegra = devm_kzalloc(dev, sizeof(*tegra), GFP_KERNEL);  in tegra186_timer_probe()
389 	if (!tegra)  in tegra186_timer_probe()
392 	tegra->soc = of_device_get_match_data(dev);  in tegra186_timer_probe()
393 	dev_set_drvdata(dev, tegra);  in tegra186_timer_probe()
394 	tegra->dev = dev;  in tegra186_timer_probe()
396 	tegra->regs = devm_platform_ioremap_resource(pdev, 0);  in tegra186_timer_probe()
397 	if (IS_ERR(tegra->regs))  in tegra186_timer_probe()
398 		return PTR_ERR(tegra->regs);  in tegra186_timer_probe()
407 	tegra->wdt = tegra186_wdt_create(tegra, 0);  in tegra186_timer_probe()
408 	if (IS_ERR(tegra->wdt)) {  in tegra186_timer_probe()
409 		err = PTR_ERR(tegra->wdt);  in tegra186_timer_probe()
414 	err = tegra186_timer_tsc_init(tegra);  in tegra186_timer_probe()
420 	err = tegra186_timer_osc_init(tegra);  in tegra186_timer_probe()
426 	err = tegra186_timer_usec_init(tegra);  in tegra186_timer_probe()
433 			       "tegra186-timer", tegra);  in tegra186_timer_probe()
442 	clocksource_unregister(&tegra->usec);  in tegra186_timer_probe()
444 	clocksource_unregister(&tegra->osc);  in tegra186_timer_probe()
446 	clocksource_unregister(&tegra->tsc);  in tegra186_timer_probe()
452 	struct tegra186_timer *tegra = platform_get_drvdata(pdev);  in tegra186_timer_remove()  local
454 	clocksource_unregister(&tegra->usec);  in tegra186_timer_remove()
455 	clocksource_unregister(&tegra->osc);  in tegra186_timer_remove()
456 	clocksource_unregister(&tegra->tsc);  in tegra186_timer_remove()
463 	struct tegra186_timer *tegra = dev_get_drvdata(dev);  in tegra186_timer_suspend()  local
465 	if (watchdog_active(&tegra->wdt->base))  in tegra186_timer_suspend()
466 		tegra186_wdt_disable(tegra->wdt);  in tegra186_timer_suspend()
473 	struct tegra186_timer *tegra = dev_get_drvdata(dev);  in tegra186_timer_resume()  local
475 	if (watchdog_active(&tegra->wdt->base))  in tegra186_timer_resume()
476 		tegra186_wdt_enable(tegra->wdt);  in tegra186_timer_resume()