diff --git a/drivers/serial/Kconfig.sam0 b/drivers/serial/Kconfig.sam0
index 6342162989c..ae4aa96eab2 100644
--- a/drivers/serial/Kconfig.sam0
+++ b/drivers/serial/Kconfig.sam0
@@ -3,6 +3,9 @@
 # Copyright (c) 2017 Google LLC.
 # SPDX-License-Identifier: Apache-2.0
 
+# Workaround for not being able to have commas in macro arguments
+DT_COMPAT_ATMEL_SAM0_DMAC := atmel,sam0-dmac
+
 menuconfig UART_SAM0
 	bool "Atmel SAM0 series SERCOM USART driver"
 	default y
@@ -10,7 +13,7 @@ menuconfig UART_SAM0
 	select SERIAL_HAS_DRIVER
 	select SERIAL_SUPPORT_INTERRUPT
 	# the ASYNC implementation requires a DMA controller
-	select SERIAL_SUPPORT_ASYNC if ($(dt_int_val,DT_INST_0_ATMEL_SAM0_DMAC) != 0)
+	select SERIAL_SUPPORT_ASYNC if $(dt_compat_enabled,$(DT_COMPAT_ATMEL_SAM0_DMAC))
 	select DMA if UART_ASYNC_API
 	help
 	  This option enables the SERCOMx USART driver for Atmel SAM0 MCUs.