75 static int mtk_rtc_write_trigger(struct mt6397_rtc *rtc)  in mtk_rtc_write_trigger()  argument
81 	ret = regmap_write(rtc->regmap, rtc->addr_base + RTC_WRTGR, 1);  in mtk_rtc_write_trigger()
86 		ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_BBPU,  in mtk_rtc_write_trigger()
104 	struct mt6397_rtc *rtc = data;  in mtk_rtc_irq_handler_thread()  local
108 	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_IRQ_STA, &irqsta);  in mtk_rtc_irq_handler_thread()
110 		rtc_update_irq(rtc->rtc_dev, 1, RTC_IRQF | RTC_AF);  in mtk_rtc_irq_handler_thread()
112 		mutex_lock(&rtc->lock);  in mtk_rtc_irq_handler_thread()
113 		if (regmap_write(rtc->regmap, rtc->addr_base + RTC_IRQ_EN,  in mtk_rtc_irq_handler_thread()
115 			mtk_rtc_write_trigger(rtc);  in mtk_rtc_irq_handler_thread()
116 		mutex_unlock(&rtc->lock);  in mtk_rtc_irq_handler_thread()
124 static int __mtk_rtc_read_time(struct mt6397_rtc *rtc,  in __mtk_rtc_read_time()  argument
130 	mutex_lock(&rtc->lock);  in __mtk_rtc_read_time()
131 	ret = regmap_bulk_read(rtc->regmap, rtc->addr_base + RTC_TC_SEC,  in __mtk_rtc_read_time()
143 	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_TC_SEC, sec);  in __mtk_rtc_read_time()
145 	mutex_unlock(&rtc->lock);  in __mtk_rtc_read_time()
152 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mtk_rtc_read_time()  local
156 		ret = __mtk_rtc_read_time(rtc, tm, &sec);  in mtk_rtc_read_time()
183 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mtk_rtc_set_time()  local
197 	mutex_lock(&rtc->lock);  in mtk_rtc_set_time()
198 	ret = regmap_bulk_write(rtc->regmap, rtc->addr_base + RTC_TC_SEC,  in mtk_rtc_set_time()
204 	ret = mtk_rtc_write_trigger(rtc);  in mtk_rtc_set_time()
207 	mutex_unlock(&rtc->lock);  in mtk_rtc_set_time()
214 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mtk_rtc_read_alarm()  local
219 	mutex_lock(&rtc->lock);  in mtk_rtc_read_alarm()
220 	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_IRQ_EN, &irqen);  in mtk_rtc_read_alarm()
223 	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_PDN2, &pdn2);  in mtk_rtc_read_alarm()
227 	ret = regmap_bulk_read(rtc->regmap, rtc->addr_base + RTC_AL_SEC,  in mtk_rtc_read_alarm()
234 	mutex_unlock(&rtc->lock);  in mtk_rtc_read_alarm()
248 	mutex_unlock(&rtc->lock);  in mtk_rtc_read_alarm()
255 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mtk_rtc_set_alarm()  local
269 	mutex_lock(&rtc->lock);  in mtk_rtc_set_alarm()
271 		ret = regmap_bulk_write(rtc->regmap,  in mtk_rtc_set_alarm()
272 					rtc->addr_base + RTC_AL_SEC,  in mtk_rtc_set_alarm()
276 		ret = regmap_write(rtc->regmap, rtc->addr_base + RTC_AL_MASK,  in mtk_rtc_set_alarm()
280 		ret = regmap_update_bits(rtc->regmap,  in mtk_rtc_set_alarm()
281 					 rtc->addr_base + RTC_IRQ_EN,  in mtk_rtc_set_alarm()
287 		ret = regmap_update_bits(rtc->regmap,  in mtk_rtc_set_alarm()
288 					 rtc->addr_base + RTC_IRQ_EN,  in mtk_rtc_set_alarm()
298 	ret = mtk_rtc_write_trigger(rtc);  in mtk_rtc_set_alarm()
300 	mutex_unlock(&rtc->lock);  in mtk_rtc_set_alarm()
315 	struct mt6397_rtc *rtc;  in mtk_rtc_probe()  local
318 	rtc = devm_kzalloc(&pdev->dev, sizeof(struct mt6397_rtc), GFP_KERNEL);  in mtk_rtc_probe()
319 	if (!rtc)  in mtk_rtc_probe()
323 	rtc->addr_base = res->start;  in mtk_rtc_probe()
326 	rtc->irq = irq_create_mapping(mt6397_chip->irq_domain, res->start);  in mtk_rtc_probe()
327 	if (rtc->irq <= 0)  in mtk_rtc_probe()
330 	rtc->regmap = mt6397_chip->regmap;  in mtk_rtc_probe()
331 	rtc->dev = &pdev->dev;  in mtk_rtc_probe()
332 	mutex_init(&rtc->lock);  in mtk_rtc_probe()
334 	platform_set_drvdata(pdev, rtc);  in mtk_rtc_probe()
336 	ret = request_threaded_irq(rtc->irq, NULL,  in mtk_rtc_probe()
339 				   "mt6397-rtc", rtc);  in mtk_rtc_probe()
342 			rtc->irq, ret);  in mtk_rtc_probe()
348 	rtc->rtc_dev = rtc_device_register("mt6397-rtc", &pdev->dev,  in mtk_rtc_probe()
350 	if (IS_ERR(rtc->rtc_dev)) {  in mtk_rtc_probe()
352 		ret = PTR_ERR(rtc->rtc_dev);  in mtk_rtc_probe()
359 	free_irq(rtc->irq, rtc->rtc_dev);  in mtk_rtc_probe()
361 	irq_dispose_mapping(rtc->irq);  in mtk_rtc_probe()
367 	struct mt6397_rtc *rtc = platform_get_drvdata(pdev);  in mtk_rtc_remove()  local
369 	rtc_device_unregister(rtc->rtc_dev);  in mtk_rtc_remove()
370 	free_irq(rtc->irq, rtc->rtc_dev);  in mtk_rtc_remove()
371 	irq_dispose_mapping(rtc->irq);  in mtk_rtc_remove()
379 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mt6397_rtc_suspend()  local
382 		enable_irq_wake(rtc->irq);  in mt6397_rtc_suspend()
389 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mt6397_rtc_resume()  local
392 		disable_irq_wake(rtc->irq);  in mt6397_rtc_resume()