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rtc: rv8803: add wakeup-source support

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The RV8803 can be wired directly to a PMIC that can wake up an SoC without
the CPU getting interrupts.

Link: https://lore.kernel.org/r/20240108004357.602918-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2024-01-08 01:43:57 +01:00
parent eea7615b68
commit 83c0711453
2 changed files with 7 additions and 2 deletions
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2
Documentation/devicetree/bindings/rtc/epson,rx8900.yaml
View File

@ -29,6 +29,8 @@ properties:
trickle-diode-disable: true
wakeup-source: true
required:
- compatible
- reg

7
drivers/rtc/rtc-rv8803.c
View File

@ -712,9 +712,12 @@ static int rv8803_probe(struct i2c_client *client)
if (err)
dev_err(&client->dev, "failed to set wake IRQ\n");
}
} else {
if (device_property_read_bool(&client->dev, "wakeup-source"))
device_init_wakeup(&client->dev, true);
else
clear_bit(RTC_FEATURE_ALARM, rv8803->rtc->features);
}
if (!client->irq)
clear_bit(RTC_FEATURE_ALARM, rv8803->rtc->features);
if (of_property_read_bool(client->dev.of_node, "epson,vdet-disable"))
rv8803->backup |= RX8900_FLAG_VDETOFF;