diff --git a/drivers/watchdog/wdt_sam.c b/drivers/watchdog/wdt_sam.c
index 70153da243f..b35aeda0e5d 100644
--- a/drivers/watchdog/wdt_sam.c
+++ b/drivers/watchdog/wdt_sam.c
@@ -228,15 +228,15 @@ static const struct wdt_driver_api wdt_sam_api = {
 };
 
 static const struct wdt_sam_dev_cfg wdt_sam_cfg = {
-	.regs = (Wdt *)DT_WDT_SAM_BASE_ADDRESS,
+	.regs = (Wdt *)DT_INST_0_ATMEL_SAM_WATCHDOG_BASE_ADDRESS,
 };
 
 static void wdt_sam_irq_config(void)
 {
-	IRQ_CONNECT(DT_WDT_SAM_IRQ,
-		    DT_WDT_SAM_IRQ_PRIORITY, wdt_sam_isr,
+	IRQ_CONNECT(DT_INST_0_ATMEL_SAM_WATCHDOG_IRQ_0,
+		    DT_INST_0_ATMEL_SAM_WATCHDOG_IRQ_0_PRIORITY, wdt_sam_isr,
 		    DEVICE_GET(wdt_sam), 0);
-	irq_enable(DT_WDT_SAM_IRQ);
+	irq_enable(DT_INST_0_ATMEL_SAM_WATCHDOG_IRQ_0);
 }
 
 static int wdt_sam_init(struct device *dev)
@@ -249,6 +249,6 @@ static int wdt_sam_init(struct device *dev)
 	return 0;
 }
 
-DEVICE_AND_API_INIT(wdt_sam, DT_WDT_SAM_LABEL, wdt_sam_init,
+DEVICE_AND_API_INIT(wdt_sam, DT_INST_0_ATMEL_SAM_WATCHDOG_LABEL, wdt_sam_init,
 		    &wdt_sam_data, &wdt_sam_cfg, PRE_KERNEL_1,
 		    CONFIG_KERNEL_INIT_PRIORITY_DEVICE, &wdt_sam_api);
diff --git a/soc/arm/atmel_sam/sam3x/dts_fixup.h b/soc/arm/atmel_sam/sam3x/dts_fixup.h
index 694cbd2ba3c..0a9d451954f 100644
--- a/soc/arm/atmel_sam/sam3x/dts_fixup.h
+++ b/soc/arm/atmel_sam/sam3x/dts_fixup.h
@@ -63,11 +63,6 @@
 #define DT_USART_SAM_PORT_3_NAME	DT_ATMEL_SAM_USART_400A4000_LABEL
 #define DT_USART_SAM_PORT_3_BAUD_RATE	DT_ATMEL_SAM_USART_400A4000_CURRENT_SPEED
 
-#define DT_WDT_SAM_IRQ          DT_ATMEL_SAM_WATCHDOG_400E1A50_IRQ_0
-#define DT_WDT_SAM_IRQ_PRIORITY DT_ATMEL_SAM_WATCHDOG_400E1A50_IRQ_0_PRIORITY
-#define DT_WDT_SAM_LABEL        DT_ATMEL_SAM_WATCHDOG_400E1A50_LABEL
-#define DT_WDT_SAM_BASE_ADDRESS DT_ATMEL_SAM_WATCHDOG_400E1A50_BASE_ADDRESS
-
 #define DT_FLASH_DEV_BASE_ADDRESS DT_ATMEL_SAM_FLASH_CONTROLLER_400E0A00_BASE_ADDRESS
 #define DT_FLASH_DEV_NAME         DT_ATMEL_SAM_FLASH_CONTROLLER_400E0A00_LABEL
 
diff --git a/soc/arm/atmel_sam/sam4e/dts_fixup.h b/soc/arm/atmel_sam/sam4e/dts_fixup.h
index 871f91b1ff7..fb060fd1c29 100644
--- a/soc/arm/atmel_sam/sam4e/dts_fixup.h
+++ b/soc/arm/atmel_sam/sam4e/dts_fixup.h
@@ -78,11 +78,6 @@
 #define DT_USART_SAM_PORT_1_IRQ_PRIO         DT_ATMEL_SAM_USART_400A4000_IRQ_0_PRIORITY
 #define DT_USART_SAM_PORT_1_PERIPHERAL_ID    DT_ATMEL_SAM_USART_400A4000_PERIPHERAL_ID
 
-#define DT_WDT_SAM_IRQ                       DT_ATMEL_SAM_WATCHDOG_400E1850_IRQ_0
-#define DT_WDT_SAM_IRQ_PRIORITY              DT_ATMEL_SAM_WATCHDOG_400E1850_IRQ_0_PRIORITY
-#define DT_WDT_SAM_LABEL                     DT_ATMEL_SAM_WATCHDOG_400E1850_LABEL
-#define DT_WDT_SAM_BASE_ADDRESS              DT_ATMEL_SAM_WATCHDOG_400E1850_BASE_ADDRESS
-
 #define DT_FLASH_DEV_BASE_ADDRESS DT_ATMEL_SAM_FLASH_CONTROLLER_400E0A00_BASE_ADDRESS
 #define DT_FLASH_DEV_NAME         DT_ATMEL_SAM_FLASH_CONTROLLER_400E0A00_LABEL
 /* End of SoC Level DTS fixup file */
diff --git a/soc/arm/atmel_sam/sam4s/dts_fixup.h b/soc/arm/atmel_sam/sam4s/dts_fixup.h
index d5675fcbb09..2d39a025a6e 100644
--- a/soc/arm/atmel_sam/sam4s/dts_fixup.h
+++ b/soc/arm/atmel_sam/sam4s/dts_fixup.h
@@ -69,11 +69,6 @@
 #define DT_USART_SAM_PORT_1_IRQ_PRIO         DT_ATMEL_SAM_USART_40028000_IRQ_0_PRIORITY
 #define DT_USART_SAM_PORT_1_PERIPHERAL_ID    DT_ATMEL_SAM_USART_40028000_PERIPHERAL_ID
 
-#define DT_WDT_SAM_IRQ                       DT_ATMEL_SAM_WATCHDOG_400E1450_IRQ_0
-#define DT_WDT_SAM_IRQ_PRIORITY              DT_ATMEL_SAM_WATCHDOG_400E1450_IRQ_0_PRIORITY
-#define DT_WDT_SAM_LABEL                     DT_ATMEL_SAM_WATCHDOG_400E1450_LABEL
-#define DT_WDT_SAM_BASE_ADDRESS              DT_ATMEL_SAM_WATCHDOG_400E1450_BASE_ADDRESS
-
 #define DT_FLASH_DEV_BASE_ADDRESS            DT_ATMEL_SAM_FLASH_CONTROLLER_400E0A00_BASE_ADDRESS
 #define DT_FLASH_DEV_NAME                    DT_ATMEL_SAM_FLASH_CONTROLLER_400E0A00_LABEL
 /* End of SoC Level DTS fixup file */
diff --git a/soc/arm/atmel_sam/same70/dts_fixup.h b/soc/arm/atmel_sam/same70/dts_fixup.h
index 23639dd8069..612a0c0559e 100644
--- a/soc/arm/atmel_sam/same70/dts_fixup.h
+++ b/soc/arm/atmel_sam/same70/dts_fixup.h
@@ -120,12 +120,6 @@
 #define DT_ADC_1_NAME	DT_ATMEL_SAM_AFEC_40064000_LABEL
 #define DT_ADC_1_PERIPHERAL_ID	DT_ATMEL_SAM_AFEC_40064000_PERIPHERAL_ID
 
-
-#define DT_WDT_SAM_IRQ          DT_ATMEL_SAM_WATCHDOG_400E1850_IRQ_0
-#define DT_WDT_SAM_IRQ_PRIORITY DT_ATMEL_SAM_WATCHDOG_400E1850_IRQ_0_PRIORITY
-#define DT_WDT_SAM_LABEL        DT_ATMEL_SAM_WATCHDOG_400E1850_LABEL
-#define DT_WDT_SAM_BASE_ADDRESS DT_ATMEL_SAM_WATCHDOG_400E1850_BASE_ADDRESS
-
 #define DT_USBHS_IRQ		DT_ATMEL_SAM_USBHS_40038000_IRQ_0
 #define DT_USBHS_IRQ_PRI		DT_ATMEL_SAM_USBHS_40038000_IRQ_0_PRIORITY
 #define DT_USBHS_MAXIMUM_SPEED	DT_ATMEL_SAM_USBHS_40038000_MAXIMUM_SPEED
diff --git a/soc/arm/atmel_sam/samv71/dts_fixup.h b/soc/arm/atmel_sam/samv71/dts_fixup.h
index 2d00452b709..881a3703716 100644
--- a/soc/arm/atmel_sam/samv71/dts_fixup.h
+++ b/soc/arm/atmel_sam/samv71/dts_fixup.h
@@ -125,11 +125,6 @@
 #define DT_ADC_1_NAME                        DT_ATMEL_SAM_AFEC_40064000_LABEL
 #define DT_ADC_1_PERIPHERAL_ID               DT_ATMEL_SAM_AFEC_40064000_PERIPHERAL_ID
 
-#define DT_WDT_SAM_IRQ                       DT_ATMEL_SAM_WATCHDOG_400E1850_IRQ_0
-#define DT_WDT_SAM_IRQ_PRIORITY              DT_ATMEL_SAM_WATCHDOG_400E1850_IRQ_0_PRIORITY
-#define DT_WDT_SAM_LABEL                     DT_ATMEL_SAM_WATCHDOG_400E1850_LABEL
-#define DT_WDT_SAM_BASE_ADDRESS              DT_ATMEL_SAM_WATCHDOG_400E1850_BASE_ADDRESS
-
 #define DT_USBHS_IRQ                         DT_ATMEL_SAM_USBHS_40038000_IRQ_0
 #define DT_USBHS_IRQ_PRI                     DT_ATMEL_SAM_USBHS_40038000_IRQ_0_PRIORITY
 #define DT_USBHS_MAXIMUM_SPEED               DT_ATMEL_SAM_USBHS_40038000_MAXIMUM_SPEED