tests: drivers: dac: Verify dac on lpcxpresso55s36 board

Added overlay for lpcxpresso55s36 to verify dac driver. Signed-off-by: Albort Xue <yao.xue@nxp.com>
zephyrproject-rtos · Sep 11, 2023 · 4d9fb55 · 4d9fb55
1 parent f5220bd
commit 4d9fb55
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Showing 4 changed files with 31 additions and 2 deletions.
diff --git a/tests/drivers/dac/dac_api/src/test_dac.c b/tests/drivers/dac/dac_api/src/test_dac.c
@@ -45,7 +45,8 @@
 	defined(CONFIG_BOARD_FRDM_K22F) || \
 	defined(CONFIG_BOARD_SEEEDUINO_XIAO) || \
 	defined(CONFIG_BOARD_ARDUINO_MKRZERO) || \
-	defined(CONFIG_BOARD_ARDUINO_ZERO)
+	defined(CONFIG_BOARD_ARDUINO_ZERO) || \
+	defined(CONFIG_BOARD_LPCXPRESSO55S36)
 
 #define DAC_DEVICE_NODE		DT_NODELABEL(dac0)
 #define DAC_RESOLUTION		12

diff --git a/tests/drivers/dac/dac_loopback/boards/lpcxpresso55s36.overlay b/tests/drivers/dac/dac_loopback/boards/lpcxpresso55s36.overlay
@@ -0,0 +1,10 @@
+/*
+ * Copyright 2023 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&dac0 {
+    /* To align reference voltage with ADC. */
+    voltage-reference = <1>;
+};
diff --git a/tests/drivers/dac/dac_loopback/src/test_dac.c b/tests/drivers/dac/dac_loopback/src/test_dac.c
@@ -125,6 +125,22 @@
 #define ADC_ACQUISITION_TIME	ADC_ACQ_TIME_DEFAULT
 #define ADC_CHANNEL_ID		23
 
+#elif defined(CONFIG_BOARD_LPCXPRESSO55S36)
+
+/* DAC0 output is internally available on ADC0_SE4 */
+
+#define DAC_DEVICE_NODE		DT_NODELABEL(dac0)
+#define DAC_RESOLUTION		12
+#define DAC_CHANNEL_ID		0
+
+#define ADC_DEVICE_NODE		DT_NODELABEL(adc0)
+#define ADC_RESOLUTION		12
+#define ADC_GAIN		ADC_GAIN_1
+#define ADC_REFERENCE		ADC_REF_EXTERNAL0
+#define ADC_ACQUISITION_TIME	ADC_ACQ_TIME_DEFAULT
+#define ADC_CHANNEL_ID		0
+#define ADC_1ST_CHANNEL_INPUT	4
+
 #elif defined(CONFIG_BOARD_BL652_DVK) || \
 	defined(CONFIG_BOARD_BL653_DVK) || \
 	defined(CONFIG_BOARD_BL654_DVK)  || \
@@ -168,7 +184,8 @@ static const struct adc_channel_cfg adc_ch_cfg = {
 #if defined(CONFIG_BOARD_BL652_DVK) || \
 	defined(CONFIG_BOARD_BL653_DVK) || \
 	defined(CONFIG_BOARD_BL654_DVK) || \
-	defined(CONFIG_BOARD_BL5340_DVK_CPUAPP)
+	defined(CONFIG_BOARD_BL5340_DVK_CPUAPP) || \
+	defined(CONFIG_BOARD_LPCXPRESSO55S36)
 	.input_positive   = ADC_1ST_CHANNEL_INPUT,
 #endif
 };

diff --git a/tests/drivers/dac/dac_loopback/testcase.yaml b/tests/drivers/dac/dac_loopback/testcase.yaml
@@ -28,5 +28,6 @@ tests:
       - nucleo_f746zg
       - nucleo_g071rb
       - nucleo_wl55jc
+      - lpcxpresso55s36
     integration_platforms:
       - nucleo_f207zg