diff --git a/arch/arm64/boot/dts/apple/t6031-die0.dtsi b/arch/arm64/boot/dts/apple/t6031-die0.dtsi
index 47d868a323e8c9..7bc4286bac9b2f 100644
--- a/arch/arm64/boot/dts/apple/t6031-die0.dtsi
+++ b/arch/arm64/boot/dts/apple/t6031-die0.dtsi
@@ -241,6 +241,8 @@
 		#size-cells = <0>;
 		interrupt-parent = <&aic>;
 		interrupts = <AIC_IRQ 0 723 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
 
 		pmic1: pmic@b {
 			compatible = "apple,chapel-pmic", "apple,spmi-nvmem";
@@ -251,10 +253,22 @@
 				#address-cells = <1>;
 				#size-cells = <1>;
 
+				rtc_ctrl: rtc-ctrl@2000 {
+					reg = <0x2000 0x1>;
+				};
+
 				pm_setting: pm-setting@2001 {
 					reg = <0x2001 0x1>;
 				};
 
+				rtc_alarm: rtc-alarm@2008 {
+					reg = <0x2008 0x4>;
+				};
+
+				rtc_alarm_mask: rtc-alarm-mask@200e {
+					reg = <0x200e 0x1>;
+				};
+
 				rtc_offset: rtc-offset@2100 {
 					reg = <0x2100 0x6>;
 				};
@@ -365,8 +379,13 @@
 
 		rtc {
 			compatible = "apple,smc-rtc";
-			nvmem-cells = <&rtc_offset>;
-			nvmem-cell-names = "rtc_offset";
+			nvmem-cells = <&rtc_offset>, <&rtc_ctrl>, <&rtc_alarm>,
+				<&rtc_alarm_mask>;
+			nvmem-cell-names = "rtc_offset", "rtc_ctrl", "rtc_alarm",
+				"rtc_alarm_mask";
+			/* The PMIC's RTC alarm, peripheral interrupt 2 of nub-spmi0 */
+			interrupts-extended = <&nub_spmi 2 IRQ_TYPE_EDGE_RISING>;
+			wakeup-source;
 		};
 	};