[PATCH] arm: dts: bcm2711: Add wakeup and alias to cm4 rtc

[Peter Robinson]

The pcf85063 on the CM4 IO carrier board is capable of wake up
so set the parameter, also add it as an alias to rtc0.

Signed-off-by: Peter Robinson <pbrobinson at gmail.com>
---
 arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
index 1f4ebec68370c..8e45de01d2ad1 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
@@ -7,6 +7,10 @@
 
 / {
 	model = "Raspberry Pi Compute Module 4 IO Board";
+
+	aliases {
+		rtc0 = &pcf85063;
+	};
 };
 
 &ddc0 {
@@ -103,11 +107,12 @@ &genet {
 };
 
 &i2c0_1 {
-	rtc at 51 {
+	pcf85063: rtc at 51 {
 		/* Attention: An alarm resets the machine */
 		compatible = "nxp,pcf85063a";
 		reg = <0x51>;
 		quartz-load-femtofarads = <7000>;
+		wakeup-source;
 	};
 };
 
-- 
2.55.0