From 6dcf2fdf345f40228b0b6747597f92513f567258 Mon Sep 17 00:00:00 2001
From: Sai Santhosh Malae <Santhosh.Malae@silabs.com>
Date: Mon, 19 May 2025 20:56:05 +0530
Subject: [PATCH] drivers: adc: siwx91x: adc_api test app support

Add siwx917_rb4338a board overlay and congig files

Signed-off-by: Sai Santhosh Malae <Santhosh.Malae@silabs.com>
---
 .../adc/adc_api/boards/siwx917_rb4338a.conf   |  1 +
 .../adc_api/boards/siwx917_rb4338a.overlay    | 44 +++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 tests/drivers/adc/adc_api/boards/siwx917_rb4338a.conf
 create mode 100644 tests/drivers/adc/adc_api/boards/siwx917_rb4338a.overlay

diff --git a/tests/drivers/adc/adc_api/boards/siwx917_rb4338a.conf b/tests/drivers/adc/adc_api/boards/siwx917_rb4338a.conf
new file mode 100644
index 00000000000..b6c5c80f924
--- /dev/null
+++ b/tests/drivers/adc/adc_api/boards/siwx917_rb4338a.conf
@@ -0,0 +1 @@
+CONFIG_ADC_ASYNC=n
diff --git a/tests/drivers/adc/adc_api/boards/siwx917_rb4338a.overlay b/tests/drivers/adc/adc_api/boards/siwx917_rb4338a.overlay
new file mode 100644
index 00000000000..adf970571e6
--- /dev/null
+++ b/tests/drivers/adc/adc_api/boards/siwx917_rb4338a.overlay
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	zephyr,user {
+		io-channels = <&adc0 0>, <&adc0 1>;
+	};
+};
+
+&pinctrl0 {
+	adc0_default: adc0_default {
+		group {
+			pinmux = <AGPIO_ULP1>, <ADC_TOPGPIO_HP27>;
+		};
+	};
+};
+
+&adc0 {
+	pinctrl-0 = <&adc0_default>;
+	pinctrl-names = "default";
+	silabs,adc-ref-voltage = <3300>;
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <0>;
+		zephyr,resolution = <12>;
+		zephyr,input-positive = <10>;
+	};
+
+	channel@1 {
+		reg = <1>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <0>;
+		zephyr,resolution = <12>;
+		zephyr,input-positive = <7>;
+	};
+	status = "okay";
+};