46 	struct sa1100_rtc *info = dev_get_drvdata(dev_id);  in sa1100_rtc_interrupt()  local
47 	struct rtc_device *rtc = info->rtc;  in sa1100_rtc_interrupt()
51 	spin_lock(&info->lock);  in sa1100_rtc_interrupt()
53 	rtsr = readl_relaxed(info->rtsr);  in sa1100_rtc_interrupt()
55 	writel_relaxed(0, info->rtsr);  in sa1100_rtc_interrupt()
62 		writel_relaxed((RTSR_AL | RTSR_HZ) & (rtsr >> 2), info->rtsr);  in sa1100_rtc_interrupt()
71 		writel_relaxed(RTSR_AL | RTSR_HZ, info->rtsr);  in sa1100_rtc_interrupt()
77 	writel_relaxed(rtsr & (RTSR_ALE | RTSR_HZE), info->rtsr);  in sa1100_rtc_interrupt()
87 	spin_unlock(&info->lock);  in sa1100_rtc_interrupt()
95 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_alarm_irq_enable()  local
97 	spin_lock_irq(&info->lock);  in sa1100_rtc_alarm_irq_enable()
98 	rtsr = readl_relaxed(info->rtsr);  in sa1100_rtc_alarm_irq_enable()
103 	writel_relaxed(rtsr, info->rtsr);  in sa1100_rtc_alarm_irq_enable()
104 	spin_unlock_irq(&info->lock);  in sa1100_rtc_alarm_irq_enable()
110 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_read_time()  local
112 	rtc_time64_to_tm(readl_relaxed(info->rcnr), tm);  in sa1100_rtc_read_time()
118 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_set_time()  local
120 	writel_relaxed(rtc_tm_to_time64(tm), info->rcnr);  in sa1100_rtc_set_time()
128 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_read_alarm()  local
130 	rtsr = readl_relaxed(info->rtsr);  in sa1100_rtc_read_alarm()
138 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_set_alarm()  local
140 	spin_lock_irq(&info->lock);  in sa1100_rtc_set_alarm()
141 	writel_relaxed(readl_relaxed(info->rtsr) &  in sa1100_rtc_set_alarm()
142 		(RTSR_HZE | RTSR_ALE | RTSR_AL), info->rtsr);  in sa1100_rtc_set_alarm()
143 	writel_relaxed(rtc_tm_to_time64(&alrm->time), info->rtar);  in sa1100_rtc_set_alarm()
145 		writel_relaxed(readl_relaxed(info->rtsr) | RTSR_ALE, info->rtsr);  in sa1100_rtc_set_alarm()
147 		writel_relaxed(readl_relaxed(info->rtsr) & ~RTSR_ALE, info->rtsr);  in sa1100_rtc_set_alarm()
148 	spin_unlock_irq(&info->lock);  in sa1100_rtc_set_alarm()
155 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_proc()  local
157 	seq_printf(seq, "trim/divider\t\t: 0x%08x\n", readl_relaxed(info->rttr));  in sa1100_rtc_proc()
158 	seq_printf(seq, "RTSR\t\t\t: 0x%08x\n", readl_relaxed(info->rtsr));  in sa1100_rtc_proc()
172 int sa1100_rtc_init(struct platform_device *pdev, struct sa1100_rtc *info)  in sa1100_rtc_init()  argument
176 	spin_lock_init(&info->lock);  in sa1100_rtc_init()
178 	info->clk = devm_clk_get(&pdev->dev, NULL);  in sa1100_rtc_init()
179 	if (IS_ERR(info->clk)) {  in sa1100_rtc_init()
181 		return PTR_ERR(info->clk);  in sa1100_rtc_init()
184 	ret = clk_prepare_enable(info->clk);  in sa1100_rtc_init()
194 	if (readl_relaxed(info->rttr) == 0) {  in sa1100_rtc_init()
195 		writel_relaxed(RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16), info->rttr);  in sa1100_rtc_init()
199 		writel_relaxed(0, info->rcnr);  in sa1100_rtc_init()
202 	info->rtc->ops = &sa1100_rtc_ops;  in sa1100_rtc_init()
203 	info->rtc->range_max = U32_MAX;  in sa1100_rtc_init()
205 	ret = devm_rtc_register_device(info->rtc);  in sa1100_rtc_init()
207 		clk_disable_unprepare(info->clk);  in sa1100_rtc_init()
233 	writel_relaxed(RTSR_AL | RTSR_HZ, info->rtsr);  in sa1100_rtc_init()
241 	struct sa1100_rtc *info;  in sa1100_rtc_probe()  local
251 	info = devm_kzalloc(&pdev->dev, sizeof(struct sa1100_rtc), GFP_KERNEL);  in sa1100_rtc_probe()
252 	if (!info)  in sa1100_rtc_probe()
254 	info->irq_1hz = irq_1hz;  in sa1100_rtc_probe()
255 	info->irq_alarm = irq_alarm;  in sa1100_rtc_probe()
257 	info->rtc = devm_rtc_allocate_device(&pdev->dev);  in sa1100_rtc_probe()
258 	if (IS_ERR(info->rtc))  in sa1100_rtc_probe()
259 		return PTR_ERR(info->rtc);  in sa1100_rtc_probe()
280 		info->rcnr = base + 0x04;  in sa1100_rtc_probe()
281 		info->rtsr = base + 0x10;  in sa1100_rtc_probe()
282 		info->rtar = base + 0x00;  in sa1100_rtc_probe()
283 		info->rttr = base + 0x08;  in sa1100_rtc_probe()
285 		info->rcnr = base + 0x0;  in sa1100_rtc_probe()
286 		info->rtsr = base + 0x8;  in sa1100_rtc_probe()
287 		info->rtar = base + 0x4;  in sa1100_rtc_probe()
288 		info->rttr = base + 0xc;  in sa1100_rtc_probe()
291 	platform_set_drvdata(pdev, info);  in sa1100_rtc_probe()
294 	return sa1100_rtc_init(pdev, info);  in sa1100_rtc_probe()
299 	struct sa1100_rtc *info = platform_get_drvdata(pdev);  in sa1100_rtc_remove()  local
301 	if (info) {  in sa1100_rtc_remove()
302 		spin_lock_irq(&info->lock);  in sa1100_rtc_remove()
303 		writel_relaxed(0, info->rtsr);  in sa1100_rtc_remove()
304 		spin_unlock_irq(&info->lock);  in sa1100_rtc_remove()
305 		clk_disable_unprepare(info->clk);  in sa1100_rtc_remove()
312 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_suspend()  local
314 		enable_irq_wake(info->irq_alarm);  in sa1100_rtc_suspend()
320 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_resume()  local
322 		disable_irq_wake(info->irq_alarm);  in sa1100_rtc_resume()