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test: zephyr: add nrf7120 i2c testcase
Add zephyr i2c testcase for nrf7120 Signed-off-by: Travis Lam <[email protected]>
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‎CODEOWNERS‎

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/tests/zephyr/drivers/flash/negative_tests_nrf7120/ @nrfconnect/ncs-code-owners @rob-robinson-14 @Hi-Im-David @travis3630
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/tests/zephyr/drivers/gpio/ @nrfconnect/ncs-low-level-test
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/tests/zephyr/drivers/i2c/i2c_bme688/ @nrfconnect/ncs-low-level-test
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/tests/zephyr/drivers/i2c/i2c_nrfx_twim/ @nrfconnect/ncs-low-level-test @rob-robinson-14 @Hi-Im-David @travis3630
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/tests/zephyr/drivers/i2c/i2c_target_api/ @nrfconnect/ncs-low-level-test
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/tests/zephyr/drivers/i2s/ @nrfconnect/ncs-low-level-test
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/tests/zephyr/drivers/mspi/ @nrfconnect/ncs-low-level-test @nrfconnect/ncs-ll-ursus

‎samples/zephyr/drivers/i2c/rtio_loopback/boards/nrf7120pdk_nrf7120_cpuapp.conf‎

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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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CONFIG_I2C_NRFX_TWIS_BUF_SIZE=256

‎samples/zephyr/drivers/i2c/rtio_loopback/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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/*
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* SDA = P1.8 and P1.9
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* SCL = P1.14 and P1.15
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*/
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/ {
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aliases {
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i2c-controller = &i2c21;
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i2c-controller-target = &i2c22;
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};
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};
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&pinctrl {
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i2c21_default: i2c21_default {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 1, 8)>,
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<NRF_PSEL(TWIS_SCL, 1, 14)>;
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bias-pull-up;
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};
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};
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i2c21_sleep: i2c21_sleep {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 1, 8)>,
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<NRF_PSEL(TWIS_SCL, 1, 14)>;
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low-power-enable;
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};
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};
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i2c22_default: i2c22_default {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 1, 9)>,
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<NRF_PSEL(TWIS_SCL, 1, 15)>;
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bias-pull-up;
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};
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};
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i2c22_sleep: i2c22_sleep {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 1, 9)>,
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<NRF_PSEL(TWIS_SCL, 1, 15)>;
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low-power-enable;
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};
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};
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};
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&i2c21 {
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pinctrl-0 = <&i2c21_default>;
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pinctrl-1 = <&i2c21_sleep>;
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pinctrl-names = "default", "sleep";
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zephyr,concat-buf-size = <256>;
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status = "okay";
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};
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&i2c22 {
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compatible = "nordic,nrf-twis";
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pinctrl-0 = <&i2c22_default>;
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pinctrl-1 = <&i2c22_sleep>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};

‎samples/zephyr/drivers/i2c/rtio_loopback/sample.yaml‎

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- [email protected]/nrf54ls05b/cpuapp
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- nrf54lv10dk/nrf54lv10a/cpuapp
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- [email protected]/nrf54lv10a/cpuapp
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- nrf7120pdk/nrf7120/cpuapp
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integration_platforms:
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- nrf54ls05dk/nrf54ls05b/cpuapp
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- nrf54lv10dk/nrf54lv10a/cpuapp
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- nrf7120pdk/nrf7120/cpuapp

‎scripts/ci/tags.yaml‎

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- nrf/tests/zephyr/drivers/i2c/i2c_bme688/
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- zephyr/tests/drivers/i2c/i2c_bme688/
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ci_tests_zephyr_drivers_i2c_i2c_nrfx_twim:
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files:
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- nrf/tests/zephyr/drivers/i2c/i2c_nrfx_twim/
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- zephyr/tests/drivers/i2c/i2c_nrfx_twim/
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ci_tests_zephyr_drivers_spi:
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files:
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- nrf/tests/zephyr/drivers/spi/

‎tests/zephyr/boards/nrf/i2c/i2c_slave/boards/nrf7120pdk_nrf7120_cpuapp.conf‎

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CONFIG_NRFX_TWIS22=y

‎tests/zephyr/boards/nrf/i2c/i2c_slave/boards/nrf7120pdk_nrf7120_cpuapp.overlay‎

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/ {
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aliases {
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i2c-slave = &i2c22;
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};
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};
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&pinctrl {
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i2c21_default_alt: i2c21_default_alt {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 1, 8)>,
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<NRF_PSEL(TWIM_SCL, 1, 14)>;
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};
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};
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i2c21_sleep_alt: i2c21_sleep_alt {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 1, 8)>,
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<NRF_PSEL(TWIM_SCL, 1, 14)>;
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low-power-enable;
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};
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};
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i2c22_default_alt: i2c22_default_alt {
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group1 {
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/* Temporary workaround as it is currently not possible
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* to configure pins for TWIS with pinctrl.
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*/
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psels = <NRF_PSEL(TWIM_SDA, 1, 9)>,
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<NRF_PSEL(TWIM_SCL, 1, 15)>;
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bias-pull-up;
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};
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};
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i2c22_sleep_alt: i2c22_sleep_alt {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 1, 9)>,
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<NRF_PSEL(TWIM_SCL, 1, 15)>;
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low-power-enable;
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};
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};
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};
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dut_twim: &i2c21 {
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compatible = "nordic,nrf-twim";
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status = "okay";
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pinctrl-0 = <&i2c21_default_alt>;
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pinctrl-1 = <&i2c21_sleep_alt>;
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pinctrl-names = "default", "sleep";
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clock-frequency = <I2C_BITRATE_STANDARD>;
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sensor: sensor@54 {
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reg = <0x54>;
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};
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};
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&i2c22 {
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compatible = "nordic,nrf-twis";
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status = "okay";
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pinctrl-0 = <&i2c22_default_alt>;
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pinctrl-1 = <&i2c22_sleep_alt>;
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pinctrl-names = "default", "sleep";
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};

‎tests/zephyr/boards/nrf/i2c/i2c_slave/testcase.yaml‎

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- nrf54lv10dk/nrf54lv10a/cpuapp
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- [email protected]/nrf54lv10a/cpuapp
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- nrf54lv10dk/nrf54lv10a/cpuapp/ns
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- nrf7120pdk/nrf7120/cpuapp
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integration_platforms:
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- nrf54ls05dk/nrf54ls05b/cpuapp
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- nrf54lv10dk/nrf54lv10a/cpuapp
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- nrf7120pdk/nrf7120/cpuapp

‎tests/zephyr/drivers/i2c/i2c_nrfx_twim/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(i2c_nrfx_twim)
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FILE(GLOB app_sources ${ZEPHYR_BASE}/tests/drivers/i2c/i2c_nrfx_twim/src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/zephyr/drivers/i2c/i2c_nrfx_twim/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/i2c/i2c_nrfx_twim.

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