Commit 83c07114 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: rv8803: add wakeup-source support 

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: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent eea7615b

Documentation/devicetree/bindings/rtc/epson,rx8900.yaml

+2 −0
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ properties: 


  trickle-diode-disable: true



  wakeup-source: true



required:

  - compatible

  - reg

drivers/rtc/rtc-rv8803.c

+5 −2
Original line number Diff line number Diff line
@@ -712,9 +712,12 @@ static int rv8803_probe(struct i2c_client *client) 
			if (err)

				dev_err(&client->dev, "failed to set wake IRQ\n");

		}

	}

	if (!client->irq)

	} 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 (of_property_read_bool(client->dev.of_node, "epson,vdet-disable"))

		rv8803->backup |= RX8900_FLAG_VDETOFF;