nrfconnect · nordic-piks · Mar 17, 2025 · Mar 14, 2025
@@ -621,6 +621,7 @@
   - "include/drivers/gpio/**/*"
   - "include/event_manager_proxy.h"
   - "subsys/event_manager_proxy/**/*"
+  - "samples/zephyr/drivers/adc/**/*"
   - "samples/zephyr/drivers/audio/**/*"
   - "samples/zephyr/drivers/i2c/**/*"
   - "samples/zephyr/drivers/watchdog/**/*"
@@ -641,6 +642,7 @@
   - "tests/drivers/spi/**/*"
   - "tests/drivers/uart/**/*"
   - "tests/subsys/event_manager_proxy/**/*"
+  - "tests/zephyr/drivers/adc/**/*"
   - "tests/zephyr/drivers/comparator/**/*"
   - "tests/zephyr/drivers/gpio/**/*"
   - "tests/zephyr/drivers/flash/**/*"

@@ -667,6 +667,7 @@
 /samples/zigbee/**/*.rst                  @nrfconnect/ncs-terahertz-doc
 /samples/zephyr/basic/blinky/             @nrfconnect/ncs-low-level-test @nrfconnect/ncs-ll-ursus
 /samples/zephyr/boards/nordic/system_off/ @nrfconnect/ncs-low-level-test
+/samples/zephyr/drivers/adc/              @nrfconnect/ncs-low-level-test
 /samples/zephyr/drivers/audio/dmic/       @nrfconnect/ncs-low-level-test
 /samples/zephyr/drivers/i2c/rtio_loopback/ @nrfconnect/ncs-low-level-test
 /samples/zephyr/drivers/watchdog/         @nrfconnect/ncs-low-level-test
@@ -919,6 +920,7 @@
 /tests/tfm/                               @nrfconnect/ncs-aegir @stephen-nordic @magnev
 /tests/unity/                             @nordic-krch
 /tests/subsys/zigbee/                     @nrfconnect/ncs-zigbee
+/tests/zephyr/drivers/adc/                @nrfconnect/ncs-low-level-test
 /tests/zephyr/drivers/comparator/         @nrfconnect/ncs-low-level-test
 /tests/zephyr/drivers/flash/common/       @nrfconnect/ncs-low-level-test @nrfconnect/ncs-ll-ursus
 /tests/zephyr/drivers/gpio/               @nrfconnect/ncs-low-level-test

@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(ADC)
+
+FILE(GLOB app_sources ${ZEPHYR_BASE}/samples/drivers/adc/adc_dt/src/*.c)
+target_sources(app PRIVATE ${app_sources})
@@ -0,0 +1,4 @@
+This sample extends the same-named Zephyr sample to verify it
+with Nordic development kits.
+
+Source code and basic configuration files can be found in the corresponding folder structure in zephyr/samples/drivers/adc/adc_dt.
@@ -0,0 +1,50 @@
+/ {
+	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>; /* P1.11 */
+		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>; /* P1.06 */
+		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>; /* P1.13 */
+		zephyr,input-negative = <NRF_SAADC_AIN7>; /* P1.14 */
+		zephyr,resolution = <12>;
+	};
+};
@@ -0,0 +1,50 @@
+/ {
+	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>; /* P1.11 */
+		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>; /* P1.06 */
+		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>; /* P1.13 */
+		zephyr,input-negative = <NRF_SAADC_AIN7>; /* P1.14 */
+		zephyr,resolution = <12>;
+	};
+};
@@ -0,0 +1 @@
+CONFIG_ADC=y
@@ -0,0 +1,21 @@
+sample:
+  name: ADC devicetree driver sample
+tests:
+  nrf.extended.sample.drivers.adc.adc_dt:
+    tags:
+      - adc
+      - ci_samples_zephyr_drivers_adc
+    # depends_on: adc
+    integration_platforms:
+      - nrf54l09pdk/nrf54l09/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
+    platform_allow:
+      - nrf54l09pdk/nrf54l09/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
+    harness: console
+    timeout: 10
+    harness_config:
+      type: multi_line
+      regex:
+        - "ADC reading\\[\\d+\\]:"
+        - "- .+, channel \\d+: -?\\d+"
@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(ADC)
+
+FILE(GLOB app_sources ${ZEPHYR_BASE}/samples/drivers/adc/adc_sequence/src/*.c)
+target_sources(app PRIVATE ${app_sources})
@@ -0,0 +1 @@
+source "samples/drivers/adc/adc_sequence/Kconfig"
@@ -0,0 +1,4 @@
+This sample extends the same-named Zephyr sample to verify it
+with Nordic development kits.
+
+Source code and basic configuration files can be found in the corresponding folder structure in zephyr/samples/drivers/adc/adc_sequence.
@@ -0,0 +1,56 @@
+/ {
+	zephyr,user {
+		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 7>;
+	};
+};
+
+/ {
+	aliases {
+		adc0 = &adc;
+	};
+};
+
+&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>; /* P1.11 */
+		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>; /* P1.06 */
+		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_DVDD>; /* 0.9 V internal */
+		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>; /* P1.13 */
+		zephyr,input-negative = <NRF_SAADC_AIN7>; /* P1.14 */
+		zephyr,resolution = <12>;
+	};
+};
@@ -0,0 +1,56 @@
+/ {
+	zephyr,user {
+		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 7>;
+	};
+};
+
+/ {
+	aliases {
+		adc0 = &adc;
+	};
+};
+
+&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>; /* P1.11 */
+		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>; /* P1.06 */
+		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_DVDD>; /* 0.9 V internal */
+		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>; /* P1.13 */
+		zephyr,input-negative = <NRF_SAADC_AIN7>; /* P1.14 */
+		zephyr,resolution = <12>;
+	};
+};
@@ -0,0 +1 @@
+CONFIG_ADC=y
@@ -0,0 +1,22 @@
+sample:
+  name: ADC driver sequence sample
+tests:
+  nrf.extended.sample.drivers.adc.adc_sequence:
+    tags:
+      - adc
+      - ci_samples_zephyr_drivers_adc
+    # depends_on: adc
+    integration_platforms:
+      - nrf54l09pdk/nrf54l09/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
+    platform_allow:
+      - nrf54l09pdk/nrf54l09/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
+    harness: console
+    timeout: 10
+    harness_config:
+      type: multi_line
+      regex:
+        - "ADC sequence reading \\[\\d+\\]:"
+        - "- .+, channel \\d+, \\d+ sequence samples:"
+        - "- - \\d+ (= \\d+mV)|(\\(value in mV not available\\))"
@@ -1604,3 +1604,13 @@ ci_tests_zephyr_boards_nrf_qdec:
   files:
     - nrf/tests/zephyr/boards/nrf/qdec/
     - zephyr/tests/boards/nrf/qdec/
+
+ci_tests_zephyr_drivers_adc:
+  files:
+    - nrf/tests/zephyr/drivers/adc/
+    - zephyr/tests/drivers/adc/
+
+ci_samples_zephyr_drivers_adc:
+  files:
+    - nrf/samples/zephyr/drivers/adc/
+    - zephyr/samples/drivers/adc/
@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(adc_accuracy)
+
+target_sources(app PRIVATE ${ZEPHYR_BASE}/tests/drivers/adc/adc_accuracy_test/src/main.c)
+target_sources_ifdef(CONFIG_REFERENCE_VOLTAGE_TEST app PRIVATE ${ZEPHYR_BASE}/tests/drivers/adc/adc_accuracy_test/src/ref_volt.c)
@@ -0,0 +1 @@
+source "tests/drivers/adc/adc_accuracy_test/Kconfig"
@@ -0,0 +1,4 @@
+This sample extends the same-named Zephyr sample to verify it
+with Nordic development kits.
+
+Source code and basic configuration files can be found in the corresponding folder structure in zephyr/tests/drivers/adc/adc_accuracy_test.
@@ -0,0 +1,22 @@
+/ {
+	zephyr,user {
+		io-channels = <&adc 0>;
+		reference_mv = <1800>;
+		expected_accuracy = <64>;
+	};
+};
+
+&adc {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1_2";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_AIN2>;
+		zephyr,resolution = <14>;
+	};
+};
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		source "samples/drivers/adc/adc_sequence/Kconfig"
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		source "tests/drivers/adc/adc_accuracy_test/Kconfig"