51 static void rtc_delayed_write(u32 val, struct armada38x_rtc *rtc, int offset)  in rtc_delayed_write()  argument
53 	writel(val, rtc->regs + offset);  in rtc_delayed_write()
59 	struct armada38x_rtc *rtc = dev_get_drvdata(dev);  in armada38x_rtc_read_time()  local
62 	spin_lock_irqsave(&rtc->lock, flags);  in armada38x_rtc_read_time()
63 	time = readl(rtc->regs + RTC_TIME);  in armada38x_rtc_read_time()
69 	time_check = readl(rtc->regs + RTC_TIME);  in armada38x_rtc_read_time()
71 		time_check = readl(rtc->regs + RTC_TIME);  in armada38x_rtc_read_time()
73 	spin_unlock_irqrestore(&rtc->lock, flags);  in armada38x_rtc_read_time()
82 	struct armada38x_rtc *rtc = dev_get_drvdata(dev);  in armada38x_rtc_set_time()  local
96 	spin_lock_irqsave(&rtc->lock, flags);  in armada38x_rtc_set_time()
97 	rtc_delayed_write(time, rtc, RTC_TIME);  in armada38x_rtc_set_time()
98 	rtc_delayed_write(0, rtc, RTC_STATUS);  in armada38x_rtc_set_time()
99 	rtc_delayed_write(0, rtc, RTC_STATUS);  in armada38x_rtc_set_time()
100 	spin_unlock_irqrestore(&rtc->lock, flags);  in armada38x_rtc_set_time()
108 	struct armada38x_rtc *rtc = dev_get_drvdata(dev);  in armada38x_rtc_read_alarm()  local
112 	spin_lock_irqsave(&rtc->lock, flags);  in armada38x_rtc_read_alarm()
114 	time = readl(rtc->regs + RTC_ALARM1);  in armada38x_rtc_read_alarm()
115 	val = readl(rtc->regs + RTC_IRQ1_CONF) & RTC_IRQ1_AL_EN;  in armada38x_rtc_read_alarm()
117 	spin_unlock_irqrestore(&rtc->lock, flags);  in armada38x_rtc_read_alarm()
127 	struct armada38x_rtc *rtc = dev_get_drvdata(dev);  in armada38x_rtc_set_alarm()  local
137 	spin_lock_irqsave(&rtc->lock, flags);  in armada38x_rtc_set_alarm()
139 	rtc_delayed_write(time, rtc, RTC_ALARM1);  in armada38x_rtc_set_alarm()
142 			rtc_delayed_write(RTC_IRQ1_AL_EN, rtc, RTC_IRQ1_CONF);  in armada38x_rtc_set_alarm()
143 			val = readl(rtc->regs_soc + SOC_RTC_INTERRUPT);  in armada38x_rtc_set_alarm()
145 			       rtc->regs_soc + SOC_RTC_INTERRUPT);  in armada38x_rtc_set_alarm()
148 	spin_unlock_irqrestore(&rtc->lock, flags);  in armada38x_rtc_set_alarm()
157 	struct armada38x_rtc *rtc = dev_get_drvdata(dev);  in armada38x_rtc_alarm_irq_enable()  local
160 	spin_lock_irqsave(&rtc->lock, flags);  in armada38x_rtc_alarm_irq_enable()
163 		rtc_delayed_write(RTC_IRQ1_AL_EN, rtc, RTC_IRQ1_CONF);  in armada38x_rtc_alarm_irq_enable()
165 		rtc_delayed_write(0, rtc, RTC_IRQ1_CONF);  in armada38x_rtc_alarm_irq_enable()
167 	spin_unlock_irqrestore(&rtc->lock, flags);  in armada38x_rtc_alarm_irq_enable()
174 	struct armada38x_rtc *rtc = data;  in armada38x_rtc_alarm_irq()  local
178 	dev_dbg(&rtc->rtc_dev->dev, "%s:irq(%d)\n", __func__, irq);  in armada38x_rtc_alarm_irq()
180 	spin_lock(&rtc->lock);  in armada38x_rtc_alarm_irq()
182 	val = readl(rtc->regs_soc + SOC_RTC_INTERRUPT);  in armada38x_rtc_alarm_irq()
184 	writel(val & ~SOC_RTC_ALARM1, rtc->regs_soc + SOC_RTC_INTERRUPT);  in armada38x_rtc_alarm_irq()
185 	val = readl(rtc->regs + RTC_IRQ1_CONF);  in armada38x_rtc_alarm_irq()
187 	rtc_delayed_write(0, rtc, RTC_IRQ1_CONF);  in armada38x_rtc_alarm_irq()
189 	rtc_delayed_write(RTC_STATUS_ALARM1, rtc, RTC_STATUS);  in armada38x_rtc_alarm_irq()
191 	spin_unlock(&rtc->lock);  in armada38x_rtc_alarm_irq()
200 	rtc_update_irq(rtc->rtc_dev, 1, event);  in armada38x_rtc_alarm_irq()
216 	struct armada38x_rtc *rtc;  in armada38x_rtc_probe()  local
219 	rtc = devm_kzalloc(&pdev->dev, sizeof(struct armada38x_rtc),  in armada38x_rtc_probe()
221 	if (!rtc)  in armada38x_rtc_probe()
224 	spin_lock_init(&rtc->lock);  in armada38x_rtc_probe()
227 	rtc->regs = devm_ioremap_resource(&pdev->dev, res);  in armada38x_rtc_probe()
228 	if (IS_ERR(rtc->regs))  in armada38x_rtc_probe()
229 		return PTR_ERR(rtc->regs);  in armada38x_rtc_probe()
231 	rtc->regs_soc = devm_ioremap_resource(&pdev->dev, res);  in armada38x_rtc_probe()
232 	if (IS_ERR(rtc->regs_soc))  in armada38x_rtc_probe()
233 		return PTR_ERR(rtc->regs_soc);  in armada38x_rtc_probe()
235 	rtc->irq = platform_get_irq(pdev, 0);  in armada38x_rtc_probe()
237 	if (rtc->irq < 0) {  in armada38x_rtc_probe()
239 		return rtc->irq;  in armada38x_rtc_probe()
241 	if (devm_request_irq(&pdev->dev, rtc->irq, armada38x_rtc_alarm_irq,  in armada38x_rtc_probe()
242 				0, pdev->name, rtc) < 0) {  in armada38x_rtc_probe()
244 		rtc->irq = -1;  in armada38x_rtc_probe()
252 	platform_set_drvdata(pdev, rtc);  in armada38x_rtc_probe()
253 	if (rtc->irq != -1)  in armada38x_rtc_probe()
256 	rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, pdev->name,  in armada38x_rtc_probe()
258 	if (IS_ERR(rtc->rtc_dev)) {  in armada38x_rtc_probe()
259 		ret = PTR_ERR(rtc->rtc_dev);  in armada38x_rtc_probe()
270 		struct armada38x_rtc *rtc = dev_get_drvdata(dev);  in armada38x_rtc_suspend()  local
272 		return enable_irq_wake(rtc->irq);  in armada38x_rtc_suspend()
281 		struct armada38x_rtc *rtc = dev_get_drvdata(dev);  in armada38x_rtc_resume()  local
283 		return disable_irq_wake(rtc->irq);  in armada38x_rtc_resume()