[PATCH 8/9] arm64: dts: imx8mm-beacon: Enable RTC interrupt and wakeup-source

[Adam Ford]

The external RTC has the ability to be used as an alarm when
interrupts are enabled and configured as a wakeup-source.

Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
---
 arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
index ed7a1be4a1a6..8d4d1c86ad71 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
@@ -235,8 +235,13 @@ eeprom@50 {
 
 	rtc: rtc@51 {
 		compatible = "nxp,pcf85263";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_rtc>;
 		reg = <0x51>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
 		quartz-load-femtofarads = <12500>;
+		wakeup-source;
 	};
 };
 
@@ -354,6 +359,12 @@ MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3	0x141
 		>;
 	};
 
+	pinctrl_rtc: rtcgrp {
+		fsl,pins = <
+			MX8MM_IOMUXC_GPIO1_IO13_GPIO1_IO13	0x146
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX	0x140
-- 
2.48.1