diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 21c780fab761..eb4f1ac96271 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -234,6 +234,15 @@
 				};
 			};
 
+			shdwc@f8048010 {
+				atmel,shdwc-debouncer = <976>;
+
+				input@0 {
+					reg = <0>;
+					atmel,wakeup-type = "low";
+				};
+			};
+
 			watchdog@f8048040 {
 				status = "okay";
 			};
diff --git a/arch/arm/boot/dts/sama5d2-pinfunc.h b/arch/arm/boot/dts/sama5d2-pinfunc.h
index b0c912feaa2f..8a394f336003 100644
--- a/arch/arm/boot/dts/sama5d2-pinfunc.h
+++ b/arch/arm/boot/dts/sama5d2-pinfunc.h
@@ -837,8 +837,8 @@
 #define PIN_PD23__ISC_FIELD		PINMUX_PIN(PIN_PD23, 6, 4)
 #define PIN_PD24			120
 #define PIN_PD24__GPIO			PINMUX_PIN(PIN_PD24, 0, 0)
-#define PIN_PD24__UTXD2			PINMUX_PIN(PIN_PD23, 1, 2)
-#define PIN_PD24__FLEXCOM4_IO3		PINMUX_PIN(PIN_PD23, 3, 3)
+#define PIN_PD24__UTXD2			PINMUX_PIN(PIN_PD24, 1, 2)
+#define PIN_PD24__FLEXCOM4_IO3		PINMUX_PIN(PIN_PD24, 3, 3)
 #define PIN_PD25			121
 #define PIN_PD25__GPIO			PINMUX_PIN(PIN_PD25, 0, 0)
 #define PIN_PD25__SPI1_SPCK		PINMUX_PIN(PIN_PD25, 1, 3)
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 12cc1d34097d..84eed47ffb0a 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -1030,6 +1030,15 @@
 				clocks = <&clk32k>;
 			};
 
+			shdwc@f8048010 {
+				compatible = "atmel,sama5d2-shdwc";
+				reg = <0xf8048010 0x10>;
+				clocks = <&clk32k>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				atmel,wakeup-rtc-timer;
+			};
+
 			pit: timer@f8048030 {
 				compatible = "atmel,at91sam9260-pit";
 				reg = <0xf8048030 0x10>;
@@ -1041,6 +1050,7 @@
 				compatible = "atmel,sama5d4-wdt";
 				reg = <0xf8048040 0x10>;
 				interrupts = <4 IRQ_TYPE_LEVEL_HIGH 7>;
+				clocks = <&clk32k>;
 				status = "disabled";
 			};
 
diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
index db1151c18466..058e56e431cd 100644
--- a/arch/arm/boot/dts/sama5d4.dtsi
+++ b/arch/arm/boot/dts/sama5d4.dtsi
@@ -1302,6 +1302,7 @@
 			watchdog@fc068640 {
 				compatible = "atmel,sama5d4-wdt";
 				reg = <0xfc068640 0x10>;
+				interrupts = <4 IRQ_TYPE_LEVEL_HIGH 7>;
 				clocks = <&clk32k>;
 				status = "disabled";
 			};