From 8892550b21721f071dd168adf4560e04f671f7bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20G=C5=82=C4=85b?= <sebastian.glab@nordicsemi.no>
Date: Mon, 30 Jun 2025 14:55:15 +0200
Subject: [PATCH] samples: drivers: adc: adc_dt: Enable sample on nrf54lm20dk
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Add overlay required to run the sample on
nrf54lm20dk/nrf54lm20a/cpuapp.

Signed-off-by: Sebastian Głąb <sebastian.glab@nordicsemi.no>
---
 .../nrf54lm20dk_nrf54lm20a_cpuapp.overlay     | 56 +++++++++++++++++++
 samples/drivers/adc/adc_dt/sample.yaml        |  3 +-
 2 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 samples/drivers/adc/adc_dt/boards/nrf54lm20dk_nrf54lm20a_cpuapp.overlay

diff --git a/samples/drivers/adc/adc_dt/boards/nrf54lm20dk_nrf54lm20a_cpuapp.overlay b/samples/drivers/adc/adc_dt/boards/nrf54lm20dk_nrf54lm20a_cpuapp.overlay
new file mode 100644
index 00000000000..8953de6a547
--- /dev/null
+++ b/samples/drivers/adc/adc_dt/boards/nrf54lm20dk_nrf54lm20a_cpuapp.overlay
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	zephyr,user {
+		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 7>;
+	};
+};
+
+&adc {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_AIN4>; /* P1.06 */
+		zephyr,resolution = <10>;
+	};
+
+	channel@1 {
+		reg = <1>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_AIN2>; /* P1.30 */
+		zephyr,resolution = <12>;
+		zephyr,oversampling = <8>;
+	};
+
+	channel@2 {
+		reg = <2>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_VDD>;
+		zephyr,resolution = <12>;
+		zephyr,oversampling = <8>;
+	};
+
+	channel@7 {
+		reg = <7>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_AIN6>; /* P1.04 */
+		zephyr,input-negative = <NRF_SAADC_AIN7>; /* P1.03 */
+		zephyr,resolution = <12>;
+	};
+};
diff --git a/samples/drivers/adc/adc_dt/sample.yaml b/samples/drivers/adc/adc_dt/sample.yaml
index 3a844c71b6f..0cb546668f9 100644
--- a/samples/drivers/adc/adc_dt/sample.yaml
+++ b/samples/drivers/adc/adc_dt/sample.yaml
@@ -15,8 +15,9 @@ tests:
       - stm32h735g_disco
       - nrf51dk/nrf51822
       - nrf52840dk/nrf52840
-      - nrf54l15dk/nrf54l15/cpuapp
       - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54lm20dk/nrf54lm20a/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
       - mec172xevb_assy6906
       - gd32f350r_eval