drivers/rtc/rtc-stmp3xxx.c

79 	struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
82 		writel(timeout, rtc_data->io + STMP3XXX_RTC_WATCHDOG);
84 		       rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_SET);
86 		       rtc_data->io + STMP3XXX_RTC_PERSISTENT1 + STMP_OFFSET_REG_SET);
89 		       rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
91 		       rtc_data->io + STMP3XXX_RTC_PERSISTENT1 + STMP_OFFSET_REG_CLR);
123 static int stmp3xxx_wait_time(struct stmp3xxx_rtc_data *rtc_data)
137 		if (!(readl(rtc_data->io + STMP3XXX_RTC_STAT) &
142 	return (readl(rtc_data->io + STMP3XXX_RTC_STAT) &
150 	struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
152 	ret = stmp3xxx_wait_time(rtc_data);
156 	rtc_time64_to_tm(readl(rtc_data->io + STMP3XXX_RTC_SECONDS), rtc_tm);
162 	struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
164 	writel(rtc_tm_to_time64(rtc_tm), rtc_data->io + STMP3XXX_RTC_SECONDS);
165 	return stmp3xxx_wait_time(rtc_data);
171 	struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev_id);
172 	u32 status = readl(rtc_data->io + STMP3XXX_RTC_CTRL);
176 			rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
177 		rtc_update_irq(rtc_data->rtc, 1, RTC_AF | RTC_IRQF);
186 	struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
191 			rtc_data->io + STMP3XXX_RTC_PERSISTENT0 +
194 			rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_SET);
198 			rtc_data->io + STMP3XXX_RTC_PERSISTENT0 +
201 			rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
208 	struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
210 	rtc_time64_to_tm(readl(rtc_data->io + STMP3XXX_RTC_ALARM), &alm->time);
216 	struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
218 	writel(rtc_tm_to_time64(&alm->time), rtc_data->io + STMP3XXX_RTC_ALARM);
236 	struct stmp3xxx_rtc_data *rtc_data = platform_get_drvdata(pdev);
238 	if (!rtc_data)
242 		rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
247 	struct stmp3xxx_rtc_data *rtc_data;
254 	rtc_data = devm_kzalloc(&pdev->dev, sizeof(*rtc_data), GFP_KERNEL);
255 	if (!rtc_data)
264 	rtc_data->io = devm_ioremap(&pdev->dev, r->start, resource_size(r));
265 	if (!rtc_data->io) {
270 	rtc_data->irq_alarm = platform_get_irq(pdev, 0);
272 	rtc_stat = readl(rtc_data->io + STMP3XXX_RTC_STAT);
278 	platform_set_drvdata(pdev, rtc_data);
285 	if (readl(rtc_data->io + STMP3XXX_RTC_CTRL) &
290 		err = stmp_reset_block(rtc_data->io);
341 	writel(pers0_set, rtc_data->io + STMP3XXX_RTC_PERSISTENT0 +
347 		rtc_data->io + STMP3XXX_RTC_PERSISTENT0 + STMP_OFFSET_REG_CLR);
351 		rtc_data->io + STMP3XXX_RTC_CTRL + STMP_OFFSET_REG_CLR);
353 	rtc_data->rtc = devm_rtc_allocate_device(&pdev->dev);
354 	if (IS_ERR(rtc_data->rtc))
355 		return PTR_ERR(rtc_data->rtc);
357 	err = devm_request_irq(&pdev->dev, rtc_data->irq_alarm,
361 			rtc_data->irq_alarm);
365 	rtc_data->rtc->ops = &stmp3xxx_rtc_ops;
366 	rtc_data->rtc->range_max = U32_MAX;
368 	err = devm_rtc_register_device(rtc_data->rtc);
384 	struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
386 	stmp_reset_block(rtc_data->io);
390 		rtc_data->io + STMP3XXX_RTC_PERSISTENT0 + STMP_OFFSET_REG_CLR);