diff options
Diffstat (limited to 'drivers/rtc/rtc-da9063.c')
| -rw-r--r-- | drivers/rtc/rtc-da9063.c | 54 |
1 files changed, 37 insertions, 17 deletions
diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c index 595393098b09..731ed1a97f59 100644 --- a/drivers/rtc/rtc-da9063.c +++ b/drivers/rtc/rtc-da9063.c @@ -29,6 +29,8 @@ #define YEARS_FROM_DA9063(year) ((year) + 100) #define MONTHS_FROM_DA9063(month) ((month) - 1) +#define RTC_ALARM_DATA_LEN (DA9063_AD_REG_ALARM_Y - DA9063_AD_REG_ALARM_MI + 1) + #define RTC_DATA_LEN (DA9063_REG_COUNT_Y - DA9063_REG_COUNT_S + 1) #define RTC_SEC 0 #define RTC_MIN 1 @@ -42,6 +44,10 @@ struct da9063_rtc { struct da9063 *hw; struct rtc_time alarm_time; bool rtc_sync; + int alarm_year; + int alarm_start; + int alarm_len; + int data_start; }; static void da9063_data_to_tm(u8 *data, struct rtc_time *tm) @@ -83,7 +89,7 @@ static int da9063_rtc_stop_alarm(struct device *dev) { struct da9063_rtc *rtc = dev_get_drvdata(dev); - return regmap_update_bits(rtc->hw->regmap, DA9063_REG_ALARM_Y, + return regmap_update_bits(rtc->hw->regmap, rtc->alarm_year, DA9063_ALARM_ON, 0); } @@ -91,7 +97,7 @@ static int da9063_rtc_start_alarm(struct device *dev) { struct da9063_rtc *rtc = dev_get_drvdata(dev); - return regmap_update_bits(rtc->hw->regmap, DA9063_REG_ALARM_Y, + return regmap_update_bits(rtc->hw->regmap, rtc->alarm_year, DA9063_ALARM_ON, DA9063_ALARM_ON); } @@ -151,8 +157,9 @@ static int da9063_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) int ret; unsigned int val; - ret = regmap_bulk_read(rtc->hw->regmap, DA9063_REG_ALARM_S, - &data[RTC_SEC], RTC_DATA_LEN); + data[RTC_SEC] = 0; + ret = regmap_bulk_read(rtc->hw->regmap, rtc->alarm_start, + &data[rtc->data_start], rtc->alarm_len); if (ret < 0) return ret; @@ -186,14 +193,14 @@ static int da9063_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) return ret; } - ret = regmap_bulk_write(rtc->hw->regmap, DA9063_REG_ALARM_S, - data, RTC_DATA_LEN); + ret = regmap_bulk_write(rtc->hw->regmap, rtc->alarm_start, + &data[rtc->data_start], rtc->alarm_len); if (ret < 0) { dev_err(dev, "Failed to write alarm: %d\n", ret); return ret; } - rtc->alarm_time = alrm->time; + da9063_data_to_tm(data, &rtc->alarm_time); if (alrm->enabled) { ret = da9063_rtc_start_alarm(dev); @@ -218,7 +225,7 @@ static irqreturn_t da9063_alarm_event(int irq, void *data) { struct da9063_rtc *rtc = data; - regmap_update_bits(rtc->hw->regmap, DA9063_REG_ALARM_Y, + regmap_update_bits(rtc->hw->regmap, rtc->alarm_year, DA9063_ALARM_ON, 0); rtc->rtc_sync = true; @@ -257,7 +264,23 @@ static int da9063_rtc_probe(struct platform_device *pdev) goto err; } - ret = regmap_update_bits(da9063->regmap, DA9063_REG_ALARM_S, + rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL); + if (!rtc) + return -ENOMEM; + + if (da9063->variant_code == PMIC_DA9063_AD) { + rtc->alarm_year = DA9063_AD_REG_ALARM_Y; + rtc->alarm_start = DA9063_AD_REG_ALARM_MI; + rtc->alarm_len = RTC_ALARM_DATA_LEN; + rtc->data_start = RTC_MIN; + } else { + rtc->alarm_year = DA9063_BB_REG_ALARM_Y; + rtc->alarm_start = DA9063_BB_REG_ALARM_S; + rtc->alarm_len = RTC_DATA_LEN; + rtc->data_start = RTC_SEC; + } + + ret = regmap_update_bits(da9063->regmap, rtc->alarm_start, DA9063_ALARM_STATUS_TICK | DA9063_ALARM_STATUS_ALARM, 0); if (ret < 0) { @@ -265,7 +288,7 @@ static int da9063_rtc_probe(struct platform_device *pdev) goto err; } - ret = regmap_update_bits(da9063->regmap, DA9063_REG_ALARM_S, + ret = regmap_update_bits(da9063->regmap, rtc->alarm_start, DA9063_ALARM_STATUS_ALARM, DA9063_ALARM_STATUS_ALARM); if (ret < 0) { @@ -273,25 +296,22 @@ static int da9063_rtc_probe(struct platform_device *pdev) goto err; } - ret = regmap_update_bits(da9063->regmap, DA9063_REG_ALARM_Y, + ret = regmap_update_bits(da9063->regmap, rtc->alarm_year, DA9063_TICK_ON, 0); if (ret < 0) { dev_err(&pdev->dev, "Failed to disable TICKs\n"); goto err; } - ret = regmap_bulk_read(da9063->regmap, DA9063_REG_ALARM_S, - data, RTC_DATA_LEN); + data[RTC_SEC] = 0; + ret = regmap_bulk_read(da9063->regmap, rtc->alarm_start, + &data[rtc->data_start], rtc->alarm_len); if (ret < 0) { dev_err(&pdev->dev, "Failed to read initial alarm data: %d\n", ret); goto err; } - rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL); - if (!rtc) - return -ENOMEM; - platform_set_drvdata(pdev, rtc); irq_alarm = platform_get_irq_byname(pdev, "ALARM"); |