diff options
Diffstat (limited to 'drivers/rtc/rtc-pcf85363.c')
| -rw-r--r-- | drivers/rtc/rtc-pcf85363.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/rtc/rtc-pcf85363.c b/drivers/rtc/rtc-pcf85363.c index 65b8b1338dbb..06194674d71c 100644 --- a/drivers/rtc/rtc-pcf85363.c +++ b/drivers/rtc/rtc-pcf85363.c @@ -15,7 +15,6 @@ #include <linux/errno.h> #include <linux/bcd.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/regmap.h> /* @@ -403,6 +402,7 @@ static int pcf85363_probe(struct i2c_client *client) }, }; int ret, i, err; + bool wakeup_source; if (data) config = data; @@ -432,25 +432,36 @@ static int pcf85363_probe(struct i2c_client *client) pcf85363->rtc->ops = &rtc_ops; pcf85363->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; pcf85363->rtc->range_max = RTC_TIMESTAMP_END_2099; - clear_bit(RTC_FEATURE_ALARM, pcf85363->rtc->features); + + wakeup_source = device_property_read_bool(&client->dev, + "wakeup-source"); + if (client->irq > 0 || wakeup_source) { + regmap_write(pcf85363->regmap, CTRL_FLAGS, 0); + regmap_update_bits(pcf85363->regmap, CTRL_PIN_IO, + PIN_IO_INTA_OUT, PIN_IO_INTAPM); + } if (client->irq > 0) { unsigned long irqflags = IRQF_TRIGGER_LOW; if (dev_fwnode(&client->dev)) irqflags = 0; - - regmap_write(pcf85363->regmap, CTRL_FLAGS, 0); - regmap_update_bits(pcf85363->regmap, CTRL_PIN_IO, - PIN_IO_INTA_OUT, PIN_IO_INTAPM); ret = devm_request_threaded_irq(&client->dev, client->irq, NULL, pcf85363_rtc_handle_irq, irqflags | IRQF_ONESHOT, "pcf85363", client); - if (ret) - dev_warn(&client->dev, "unable to request IRQ, alarms disabled\n"); - else - set_bit(RTC_FEATURE_ALARM, pcf85363->rtc->features); + if (ret) { + dev_warn(&client->dev, + "unable to request IRQ, alarms disabled\n"); + client->irq = 0; + } + } + + if (client->irq > 0 || wakeup_source) { + device_init_wakeup(&client->dev, true); + set_bit(RTC_FEATURE_ALARM, pcf85363->rtc->features); + } else { + clear_bit(RTC_FEATURE_ALARM, pcf85363->rtc->features); } ret = devm_rtc_register_device(pcf85363->rtc); |