From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
The RV8803 can be wired directly to a PMIC that can wake up an SoC without
the CPU getting interrupts.
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/rtc/epson,rx8900.yaml | 2 ++
drivers/rtc/rtc-rv8803.c | 7 +++++--
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml b/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml
index 1df7c45d95c1..b770149c5fd6 100644
--- a/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml
+++ b/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml
@@ -29,6 +29,8 @@ properties:
trickle-diode-disable: true
+ wakeup-source: true
+
required:
- compatible
- reg
diff --git a/drivers/rtc/rtc-rv8803.c b/drivers/rtc/rtc-rv8803.c
index 11e6b0d31f5d..1327251e527c 100644
--- a/drivers/rtc/rtc-rv8803.c
+++ b/drivers/rtc/rtc-rv8803.c
@@ -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;
--
2.43.0
