arm64: dts: imx8mn-beacon: Enable RTC interrupt and wakeup-source

Enable the interrupts and wakeup-source to allow the external RTC to be
used as an alarm.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi
index b3692b367a42acc49cc486c7478cfdcf20f03e1d..987c14d3af9d1b683fae18c1409ee0b1c708bb62 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi
@@ -245,7 +245,12 @@
        rtc: rtc@51 {
                compatible = "nxp,pcf85263";
                reg = <0x51>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_rtc>;
+               interrupt-parent = <&gpio1>;
+               interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
                quartz-load-femtofarads = <12500>;
+               wakeup-source;
        };
 };
 
@@ -365,6 +370,12 @@
                >;
        };
 
+       pinctrl_rtc: rtcgrp {
+               fsl,pins = <
+                       MX8MN_IOMUXC_GPIO1_IO13_GPIO1_IO13      0x146
+               >;
+       };
+
        pinctrl_uart1: uart1grp {
                fsl,pins = <
                        MX8MN_IOMUXC_UART1_RXD_UART1_DCE_RX     0x140