samples: drivers: dac: add gd32f450i_eval board

DAC sample support gd32f450i_eval board. Signed-off-by: HaiLong Yang <cameledyang@pm.me>
zephyrproject-rtos · Dec 16, 2021 · ff9d967 · ff9d967
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diff --git a/samples/drivers/dac/README.rst b/samples/drivers/dac/README.rst
@@ -176,6 +176,19 @@ built and executed for the :ref:`bl5340_dvk` as follows:
 
 DAC output is available on pin 1 of the MCP4725.
 
+Building and Running for GD32450I-EVAL
+======================================
+The sample can be built and executed for the
+:ref:`gd32f450i_eval` as follows:
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/drivers/dac
+   :board: gd32f450i_eval
+   :goals: build flash
+   :compact:
+
+Bridge the JP23 to DAC with the jumper cap, then DAC output will available on JP7.
+
 Sample output
 =============
 

diff --git a/samples/drivers/dac/boards/gd32f450i_eval.overlay b/samples/drivers/dac/boards/gd32f450i_eval.overlay
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2021 BrainCo Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	zephyr,user {
+		dac = <&dac>;
+		dac-channel-id = <0>;
+		dac-resolution = <12>;
+	};
+};
diff --git a/samples/drivers/dac/sample.yaml b/samples/drivers/dac/sample.yaml
@@ -7,6 +7,7 @@ tests:
       arduino_zero frdm_k22f frdm_k64f nucleo_f091rc nucleo_g071rb nucleo_g431rb
       nucleo_l073rz nucleo_l152re twr_ke18f nucleo_f767zi nucleo_f429zi bl652_dvk
       bl653_dvk bl654_dvk bl5340_dvk_cpuapp stm32f3_disco stm32l562e_dk nucleo_l552ze_q
+      gd32f450i_eval
     depends_on: dac
     harness: console
     harness_config: