samples: dac: Enable dac sample on mimxrt1180_evk

Enable dac sample on mimxrt1180_evk

Signed-off-by: Zhaoxiang Jin <[email protected]>

Author: ZhaoxiangJin

samples/drivers/dac/README.rst

@@ -222,6 +222,25 @@ follows:
 
 DAC output is available on connector J12 pin 4.
 
+Building and Running for MIMXRT1180-EVK
+=======================================
+The sample can be built and executed for the :zephyr:board:`MIMXRT1180-EVK` as
+follows:
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/drivers/dac
+   :board: mimxrt1180_evk/mimxrt1189/cm33
+   :goals: flash
+   :compact:
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/drivers/dac
+   :board: mimxrt1180_evk/mimxrt1189/cm7
+   :goals: flash
+   :compact:
+
+Connect J10 pin 1-2., the DAC output is available on TP9.
+
 Sample output
 =============
 

samples/drivers/dac/boards/mimxrt1180_evk_mimxrt1189_cm33.overlay

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	zephyr,user {
+		dac = <&dac>;
+		dac-channel-id = <0>;
+		dac-resolution = <12>;
+	};
+};

samples/drivers/dac/boards/mimxrt1180_evk_mimxrt1189_cm7.overlay

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	zephyr,user {
+		dac = <&dac>;
+		dac-channel-id = <0>;
+		dac-resolution = <12>;
+	};
+};