From 844882af389d52cbd3cf4be2c8bde996cfee8d9d Mon Sep 17 00:00:00 2001
From: Neil Chen <cheng.chen_1@nxp.com>
Date: Thu, 7 Nov 2024 11:32:26 +0800
Subject: [PATCH] samples: adc: Enable ADC samples for frdm_mcxc444 board

Enable ADC samples for frdm_mcxc444 board.

Signed-off-by: Neil Chen <cheng.chen_1@nxp.com>
---
 .../adc/adc_dt/boards/frdm_mcxc444.conf       |  1 +
 .../adc/adc_dt/boards/frdm_mcxc444.overlay    | 31 +++++++++++++++++++
 .../adc/adc_sequence/boards/frdm_mcxc444.conf |  1 +
 .../adc_sequence/boards/frdm_mcxc444.overlay  | 30 ++++++++++++++++++
 4 files changed, 63 insertions(+)
 create mode 100644 samples/drivers/adc/adc_dt/boards/frdm_mcxc444.conf
 create mode 100644 samples/drivers/adc/adc_dt/boards/frdm_mcxc444.overlay
 create mode 100644 samples/drivers/adc/adc_sequence/boards/frdm_mcxc444.conf
 create mode 100644 samples/drivers/adc/adc_sequence/boards/frdm_mcxc444.overlay

diff --git a/samples/drivers/adc/adc_dt/boards/frdm_mcxc444.conf b/samples/drivers/adc/adc_dt/boards/frdm_mcxc444.conf
new file mode 100644
index 00000000000..3201f7a9cc4
--- /dev/null
+++ b/samples/drivers/adc/adc_dt/boards/frdm_mcxc444.conf
@@ -0,0 +1 @@
+CONFIG_ADC_MCUX_ADC16_VREF_ALTERNATE=y
diff --git a/samples/drivers/adc/adc_dt/boards/frdm_mcxc444.overlay b/samples/drivers/adc/adc_dt/boards/frdm_mcxc444.overlay
new file mode 100644
index 00000000000..a20b62decf9
--- /dev/null
+++ b/samples/drivers/adc/adc_dt/boards/frdm_mcxc444.overlay
@@ -0,0 +1,31 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright 2024 NXP
+ */
+
+/ {
+	zephyr,user {
+		/* adjust channel number according to pinmux in board.dts */
+		io-channels = <&adc0 0>;
+	};
+};
+
+&adc0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	/*
+	 * To use this sample:
+	 * - Connect ADC0 SE0 signal to voltage between 0~3.3V (J4 pin 1)
+	 */
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_VDD_1";
+		zephyr,vref-mv = <3300>;
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+};
diff --git a/samples/drivers/adc/adc_sequence/boards/frdm_mcxc444.conf b/samples/drivers/adc/adc_sequence/boards/frdm_mcxc444.conf
new file mode 100644
index 00000000000..3201f7a9cc4
--- /dev/null
+++ b/samples/drivers/adc/adc_sequence/boards/frdm_mcxc444.conf
@@ -0,0 +1 @@
+CONFIG_ADC_MCUX_ADC16_VREF_ALTERNATE=y
diff --git a/samples/drivers/adc/adc_sequence/boards/frdm_mcxc444.overlay b/samples/drivers/adc/adc_sequence/boards/frdm_mcxc444.overlay
new file mode 100644
index 00000000000..ef107d2a365
--- /dev/null
+++ b/samples/drivers/adc/adc_sequence/boards/frdm_mcxc444.overlay
@@ -0,0 +1,30 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright 2024 NXP
+ */
+
+/ {
+	aliases {
+		adc0 = &adc0;
+	};
+};
+
+&adc0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	/*
+	 * To use this sample:
+	 * - Connect ADC0 SE0 signal to voltage between 0~3.3V (J4 pin 1)
+	 */
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_VDD_1";
+		zephyr,vref-mv = <3300>;
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+};