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tests: drivers: uart: add from zephyr, support nrf7120
Support of zephyr uarts tests in ncs repo. Signed-off-by: David Jewsbury <[email protected]>
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‎tests/zephyr/drivers/uart/uart_async_api/CMakeLists.txt‎

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#
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# Copyright (c) 2025 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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#
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(uart_high_level_api)
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FILE(GLOB app_sources ${ZEPHYR_BASE}/tests/drivers/uart/uart_async_api/src/main.c ${ZEPHYR_BASE}/tests/drivers/uart/uart_async_api/src/test_uart_async.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/zephyr/drivers/uart/uart_async_api/Kconfig‎

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source "tests/drivers/uart/uart_async_api/Kconfig"

‎tests/zephyr/drivers/uart/uart_async_api/README.txt‎

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This sample extends the same-named Zephyr sample to verify it
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with Nordic development kits.
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Source code and basic configuration files can be found in the corresponding folder structure in zephyr/tests/drivers/uart/uart_async_api.

‎tests/zephyr/drivers/uart/uart_async_api/boards/nrf7120pdk_nrf7120_cpuapp.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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&pinctrl {
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uart21_default_alt: uart21_default_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 11)>;
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};
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};
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uart21_sleep_alt: uart21_sleep_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 11)>;
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low-power-enable;
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};
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};
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};
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dut: &uart21 {
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status = "okay";
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pinctrl-0 = <&uart21_default_alt>;
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pinctrl-1 = <&uart21_sleep_alt>;
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pinctrl-names = "default", "sleep";
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current-speed = <115200>;
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};

‎tests/zephyr/drivers/uart/uart_async_api/boards/nrf7120pdk_nrf7120_cpuflpr.overlay‎

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#include "nrf7120pdk_nrf7120_cpuapp.overlay"

‎tests/zephyr/drivers/uart/uart_async_api/prj.conf‎

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CONFIG_SERIAL=y
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CONFIG_UART_ASYNC_API=y
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CONFIG_UART_USE_RUNTIME_CONFIGURE=y
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CONFIG_ZTEST=y
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CONFIG_TEST_USERSPACE=y

‎tests/zephyr/drivers/uart/uart_async_api/testcase.yaml‎

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common:
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tags:
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- drivers
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- uart
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- ci_tests_zephyr_drivers_uart
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tests:
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nrf.extended.drivers.uart.async_api:
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platform_allow:
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- nrf7120pdk/nrf7120/cpuapp
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filter: CONFIG_SERIAL_SUPPORT_ASYNC and not CONFIG_UART_MCUX_LPUART
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harness: ztest
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harness_config:
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fixture: gpio_loopback
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depends_on: gpio
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nrf.extended.drivers.uart.async_api.rtt:
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platform_allow:
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- nrf7120pdk/nrf7120/cpuapp
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filter: CONFIG_SERIAL_SUPPORT_ASYNC and CONFIG_HAS_SEGGER_RTT
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and not CONFIG_UART_MCUX_LPUART and not CONFIG_UART_MCUX_FLEXCOMM
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extra_args: |
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DTC_OVERLAY_FILE=${ZEPHYR_BASE}/tests/drivers/uart/uart_async_api/boards/segger_rtt.overlay
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extra_configs:
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- CONFIG_USE_SEGGER_RTT=y
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- CONFIG_UART_RTT=y
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build_only: true

‎tests/zephyr/drivers/uart/uart_elementary/boards/nrf7120pdk_nrf7120_cpuapp.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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&pinctrl {
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uart21_default: uart21_default {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 11)>,
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<NRF_PSEL(UART_RTS, 1, 8)>,
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<NRF_PSEL(UART_CTS, 1, 9)>;
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};
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};
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uart21_sleep: uart21_sleep {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 11)>,
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<NRF_PSEL(UART_RTS, 1, 8)>,
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<NRF_PSEL(UART_CTS, 1, 9)>;
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low-power-enable;
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};
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};
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};
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dut: &uart21 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart21_default>;
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pinctrl-1 = <&uart21_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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};

‎tests/zephyr/drivers/uart/uart_elementary/boards/nrf7120pdk_nrf7120_cpuapp_dual_uart.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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&pinctrl {
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uart21_default: uart21_default {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 8)>;
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bias-pull-up;
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};
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};
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uart21_sleep: uart21_sleep {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 8)>;
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low-power-enable;
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};
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};
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uart22_default: uart22_default {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 9)>,
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<NRF_PSEL(UART_RX, 1, 11)>;
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bias-pull-up;
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};
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};
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uart22_sleep: uart22_sleep {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 9)>,
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<NRF_PSEL(UART_RX, 1, 11)>;
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low-power-enable;
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};
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};
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};
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dut: &uart21 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart21_default>;
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pinctrl-1 = <&uart21_sleep>;
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pinctrl-names = "default", "sleep";
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};
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dut_aux: &uart22 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart22_default>;
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pinctrl-1 = <&uart22_sleep>;
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pinctrl-names = "default", "sleep";
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};

‎tests/zephyr/drivers/uart/uart_elementary/boards/nrf7120pdk_nrf7120_cpuflpr.overlay‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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&pinctrl {
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uart21_default: uart21_default {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 11)>,
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<NRF_PSEL(UART_RTS, 1, 8)>,
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<NRF_PSEL(UART_CTS, 1, 9)>;
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};
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};
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uart21_sleep: uart21_sleep {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 10)>,
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<NRF_PSEL(UART_RX, 1, 11)>,
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<NRF_PSEL(UART_RTS, 1, 8)>,
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<NRF_PSEL(UART_CTS, 1, 9)>;
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low-power-enable;
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};
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};
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};
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dut: &uart21 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart21_default>;
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pinctrl-1 = <&uart21_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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};

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