mt2712_rtc
mt2712_writel(mt2712_rtc, MT2712_WRTGR, 1);
if (!(mt2712_readl(mt2712_rtc, MT2712_BBPU)
dev_err(&mt2712_rtc->rtc->dev,
static void mt2712_rtc_writeif_unlock(struct mt2712_rtc *mt2712_rtc)
mt2712_writel(mt2712_rtc, MT2712_PROT, MT2712_PROT_UNLOCK1);
mt2712_rtc_write_trigger(mt2712_rtc);
mt2712_writel(mt2712_rtc, MT2712_PROT, MT2712_PROT_UNLOCK2);
mt2712_rtc_write_trigger(mt2712_rtc);
struct mt2712_rtc *mt2712_rtc = data;
irqsta = mt2712_readl(mt2712_rtc, MT2712_IRQ_STA);
rtc_update_irq(mt2712_rtc->rtc, 1, RTC_IRQF | RTC_AF);
static void __mt2712_rtc_read_time(struct mt2712_rtc *mt2712_rtc,
tm->tm_sec = mt2712_readl(mt2712_rtc, MT2712_TC_SEC)
tm->tm_min = mt2712_readl(mt2712_rtc, MT2712_TC_MIN)
tm->tm_hour = mt2712_readl(mt2712_rtc, MT2712_TC_HOU)
tm->tm_mday = mt2712_readl(mt2712_rtc, MT2712_TC_DOM)
tm->tm_mon = (mt2712_readl(mt2712_rtc, MT2712_TC_MTH) - 1)
tm->tm_year = (mt2712_readl(mt2712_rtc, MT2712_TC_YEA) + 100)
*sec = mt2712_readl(mt2712_rtc, MT2712_TC_SEC) & MT2712_SEC_MASK;
struct mt2712_rtc *mt2712_rtc = dev_get_drvdata(dev);
if (mt2712_rtc->powerlost)
__mt2712_rtc_read_time(mt2712_rtc, tm, &sec);
struct mt2712_rtc *mt2712_rtc = dev_get_drvdata(dev);
mt2712_writel(mt2712_rtc, MT2712_TC_SEC, tm->tm_sec & MT2712_SEC_MASK);
mt2712_writel(mt2712_rtc, MT2712_TC_MIN, tm->tm_min & MT2712_MIN_MASK);
mt2712_writel(mt2712_rtc, MT2712_TC_HOU, tm->tm_hour & MT2712_HOU_MASK);
mt2712_writel(mt2712_rtc, MT2712_TC_DOM, tm->tm_mday & MT2712_DOM_MASK);
mt2712_writel(mt2712_rtc, MT2712_TC_MTH,
mt2712_writel(mt2712_rtc, MT2712_TC_YEA,
mt2712_rtc_write_trigger(mt2712_rtc);
if (mt2712_rtc->powerlost)
mt2712_rtc->powerlost = false;
struct mt2712_rtc *mt2712_rtc = dev_get_drvdata(dev);
irqen = mt2712_readl(mt2712_rtc, MT2712_IRQ_EN);
tm->tm_sec = mt2712_readl(mt2712_rtc, MT2712_AL_SEC) & MT2712_SEC_MASK;
tm->tm_min = mt2712_readl(mt2712_rtc, MT2712_AL_MIN) & MT2712_MIN_MASK;
tm->tm_hour = mt2712_readl(mt2712_rtc, MT2712_AL_HOU) & MT2712_HOU_MASK;
tm->tm_mday = mt2712_readl(mt2712_rtc, MT2712_AL_DOM) & MT2712_DOM_MASK;
tm->tm_mon = (mt2712_readl(mt2712_rtc, MT2712_AL_MTH) - 1)
tm->tm_year = (mt2712_readl(mt2712_rtc, MT2712_AL_YEA) + 100)
struct mt2712_rtc *mt2712_rtc = dev_get_drvdata(dev);
irqen = mt2712_readl(mt2712_rtc, MT2712_IRQ_EN);
mt2712_writel(mt2712_rtc, MT2712_IRQ_EN, irqen);
mt2712_rtc_write_trigger(mt2712_rtc);
struct mt2712_rtc *mt2712_rtc = dev_get_drvdata(dev);
dev_dbg(&mt2712_rtc->rtc->dev, "set al time: %ptR, alm en: %d\n",
mt2712_writel(mt2712_rtc, MT2712_AL_SEC,
(mt2712_readl(mt2712_rtc, MT2712_AL_SEC)
mt2712_writel(mt2712_rtc, MT2712_AL_MIN,
(mt2712_readl(mt2712_rtc, MT2712_AL_MIN)
mt2712_writel(mt2712_rtc, MT2712_AL_HOU,
(mt2712_readl(mt2712_rtc, MT2712_AL_HOU)
mt2712_writel(mt2712_rtc, MT2712_AL_DOM,
(mt2712_readl(mt2712_rtc, MT2712_AL_DOM)
mt2712_writel(mt2712_rtc, MT2712_AL_MTH,
(mt2712_readl(mt2712_rtc, MT2712_AL_MTH)
mt2712_writel(mt2712_rtc, MT2712_AL_YEA,
(mt2712_readl(mt2712_rtc, MT2712_AL_YEA)
mt2712_writel(mt2712_rtc, MT2712_AL_MASK, MT2712_AL_MASK_DOW);
mt2712_rtc_write_trigger(mt2712_rtc);
static void mt2712_rtc_hw_init(struct mt2712_rtc *mt2712_rtc)
mt2712_writel(mt2712_rtc, MT2712_BBPU,
mt2712_writel(mt2712_rtc, MT2712_CII_EN, 0);
mt2712_writel(mt2712_rtc, MT2712_AL_MASK, 0);
mt2712_writel(mt2712_rtc, MT2712_CON0, 0x4848);
mt2712_writel(mt2712_rtc, MT2712_CON1, 0x0048);
mt2712_rtc_write_trigger(mt2712_rtc);
p1 = mt2712_readl(mt2712_rtc, MT2712_POWERKEY1);
p2 = mt2712_readl(mt2712_rtc, MT2712_POWERKEY2);
mt2712_rtc->powerlost = true;
dev_dbg(&mt2712_rtc->rtc->dev,
mt2712_rtc->powerlost = false;
mt2712_writel(mt2712_rtc, MT2712_POWERKEY1, MT2712_POWERKEY1_KEY);
mt2712_writel(mt2712_rtc, MT2712_POWERKEY2, MT2712_POWERKEY2_KEY);
mt2712_rtc_write_trigger(mt2712_rtc);
mt2712_rtc_writeif_unlock(mt2712_rtc);
struct mt2712_rtc *mt2712_rtc;
mt2712_rtc = devm_kzalloc(&pdev->dev,
sizeof(struct mt2712_rtc), GFP_KERNEL);
if (!mt2712_rtc)
mt2712_rtc->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(mt2712_rtc->base))
return PTR_ERR(mt2712_rtc->base);
mt2712_rtc_hw_init(mt2712_rtc);
mt2712_rtc->irq = platform_get_irq(pdev, 0);
if (mt2712_rtc->irq < 0)
return mt2712_rtc->irq;
platform_set_drvdata(pdev, mt2712_rtc);
mt2712_rtc->rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(mt2712_rtc->rtc))
return PTR_ERR(mt2712_rtc->rtc);
ret = devm_request_threaded_irq(&pdev->dev, mt2712_rtc->irq, NULL,
dev_name(&mt2712_rtc->rtc->dev),
mt2712_rtc);
mt2712_rtc->irq, ret);
mt2712_rtc->rtc->ops = &mt2712_rtc_ops;
mt2712_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
mt2712_rtc->rtc->range_max = MT2712_RTC_TIMESTAMP_END_2127;
return devm_rtc_register_device(mt2712_rtc->rtc);
struct mt2712_rtc *mt2712_rtc = dev_get_drvdata(dev);
wake_status = enable_irq_wake(mt2712_rtc->irq);
mt2712_rtc->irq_wake_enabled = true;
struct mt2712_rtc *mt2712_rtc = dev_get_drvdata(dev);
if (device_may_wakeup(dev) && mt2712_rtc->irq_wake_enabled) {
wake_status = disable_irq_wake(mt2712_rtc->irq);
mt2712_rtc->irq_wake_enabled = false;
static inline u32 mt2712_readl(struct mt2712_rtc *mt2712_rtc, u32 reg)
return readl(mt2712_rtc->base + reg);
static inline void mt2712_writel(struct mt2712_rtc *mt2712_rtc,
writel(val, mt2712_rtc->base + reg);
static void mt2712_rtc_write_trigger(struct mt2712_rtc *mt2712_rtc)