3  *  linux/drivers/rtc/rtc-pl030.c
8 #include <linux/rtc.h>
24 	struct rtc_device	*rtc;  member
30 	struct pl030_rtc *rtc = dev_id;  in pl030_interrupt()  local
31 	writel(0, rtc->base + RTC_EOI);  in pl030_interrupt()
37 	struct pl030_rtc *rtc = dev_get_drvdata(dev);  in pl030_read_alarm()  local
39 	rtc_time64_to_tm(readl(rtc->base + RTC_MR), &alrm->time);  in pl030_read_alarm()
45 	struct pl030_rtc *rtc = dev_get_drvdata(dev);  in pl030_set_alarm()  local
47 	writel(rtc_tm_to_time64(&alrm->time), rtc->base + RTC_MR);  in pl030_set_alarm()
54 	struct pl030_rtc *rtc = dev_get_drvdata(dev);  in pl030_read_time()  local
56 	rtc_time64_to_tm(readl(rtc->base + RTC_DR), tm);  in pl030_read_time()
62  * Set the RTC time.  Unfortunately, we can't accurately set
71 	struct pl030_rtc *rtc = dev_get_drvdata(dev);  in pl030_set_time()  local
73 	writel(rtc_tm_to_time64(tm) + 1, rtc->base + RTC_LR);  in pl030_set_time()
87 	struct pl030_rtc *rtc;  in pl030_probe()  local
94 	rtc = devm_kzalloc(&dev->dev, sizeof(*rtc), GFP_KERNEL);  in pl030_probe()
95 	if (!rtc) {  in pl030_probe()
100 	rtc->rtc = devm_rtc_allocate_device(&dev->dev);  in pl030_probe()
101 	if (IS_ERR(rtc->rtc)) {  in pl030_probe()
102 		ret = PTR_ERR(rtc->rtc);  in pl030_probe()
106 	rtc->rtc->ops = &pl030_ops;  in pl030_probe()
107 	rtc->rtc->range_max = U32_MAX;  in pl030_probe()
108 	rtc->base = ioremap(dev->res.start, resource_size(&dev->res));  in pl030_probe()
109 	if (!rtc->base) {  in pl030_probe()
114 	__raw_writel(0, rtc->base + RTC_CR);  in pl030_probe()
115 	__raw_writel(0, rtc->base + RTC_EOI);  in pl030_probe()
117 	amba_set_drvdata(dev, rtc);  in pl030_probe()
120 			  "rtc-pl030", rtc);  in pl030_probe()
124 	ret = devm_rtc_register_device(rtc->rtc);  in pl030_probe()
131 	free_irq(dev->irq[0], rtc);  in pl030_probe()
133 	iounmap(rtc->base);  in pl030_probe()
142 	struct pl030_rtc *rtc = amba_get_drvdata(dev);  in pl030_remove()  local
144 	writel(0, rtc->base + RTC_CR);  in pl030_remove()
146 	free_irq(dev->irq[0], rtc);  in pl030_remove()
147 	iounmap(rtc->base);  in pl030_remove()
163 		.name	= "rtc-pl030",
173 MODULE_DESCRIPTION("ARM AMBA PL030 RTC Driver");