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[nrf noup] drivers: i2c_nrfx_twim: twister testing
This commit provides a set of tests for the i2c_nrfx_twim driver extension. Signed-off-by: Andrzej Kuros <[email protected]>
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‎tests/drivers/i2c/i2c_nrfx_twim/CMakeLists.txt‎

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# SPDX-License-Identifier: Apache-2.0
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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_api)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/drivers/i2c/i2c_nrfx_twim/boards/nrf5340dk_nrf5340_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: Apache-2.0
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*/
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/*
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* SDA = P0.26 and P1.2
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* SCL = P0.25 and P1.3
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*/
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/ {
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aliases {
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i2c-controller = &i2c1;
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i2c-controller-target = &i2c2;
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};
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};
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&pinctrl {
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i2c2_default: i2c2_default {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 0, 26)>,
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<NRF_PSEL(TWIS_SCL, 0, 25)>;
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bias-pull-up;
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};
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};
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i2c2_sleep: i2c2_sleep {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 0, 26)>,
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<NRF_PSEL(TWIS_SCL, 0, 25)>;
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low-power-enable;
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};
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};
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};
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&i2c2 {
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compatible = "nordic,nrf-twis";
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pinctrl-0 = <&i2c2_default>;
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pinctrl-1 = <&i2c2_sleep>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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&i2c1 {
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compatible = "nordic,nrf-twim";
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zephyr,concat-buf-size = <256>;
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status = "okay";
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};

‎tests/drivers/i2c/i2c_nrfx_twim/boards/nrf54h20dk_nrf54h20_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: Apache-2.0
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*/
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/*
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* SDA = P2.8 and P2.9
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* SCL = P1.2 and P1.3
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*/
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/ {
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aliases {
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i2c-controller = &i2c130;
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i2c-controller-target = &i2c131;
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};
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};
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&pinctrl {
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i2c130_default: i2c130_default {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 2, 8)>,
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<NRF_PSEL(TWIM_SCL, 1, 2)>;
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bias-pull-up;
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};
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};
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i2c130_sleep: i2c130_sleep {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 2, 8)>,
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<NRF_PSEL(TWIM_SCL, 1, 2)>;
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low-power-enable;
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};
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};
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i2c131_default: i2c131_default {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 2, 9)>,
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<NRF_PSEL(TWIM_SCL, 1, 3)>;
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bias-pull-up;
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};
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};
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i2c131_sleep: i2c131_sleep {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 2, 9)>,
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<NRF_PSEL(TWIM_SCL, 1, 3)>;
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low-power-enable;
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};
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};
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};
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&i2c130 {
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compatible = "nordic,nrf-twim";
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clock-frequency = <I2C_BITRATE_STANDARD>;
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pinctrl-0 = <&i2c130_default>;
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pinctrl-1 = <&i2c130_sleep>;
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pinctrl-names = "default", "sleep";
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zephyr,concat-buf-size = <256>;
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memory-regions = <&cpuapp_dma_region>;
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status = "okay";
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};
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&i2c131 {
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compatible = "nordic,nrf-twis";
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clock-frequency = <I2C_BITRATE_STANDARD>;
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pinctrl-0 = <&i2c131_default>;
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pinctrl-1 = <&i2c131_sleep>;
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pinctrl-names = "default", "sleep";
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memory-regions = <&cpuapp_dma_region>;
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status = "okay";
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};

‎tests/drivers/i2c/i2c_nrfx_twim/boards/nrf54l15dk_nrf54l15_cpuapp.overlay‎

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/*
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* Copyright (c) 2024 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* SDA = P1.8 and P1.9
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* SCL = P1.10 and P1.11
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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, 10)>;
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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, 10)>;
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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, 11)>;
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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, 11)>;
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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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compatible = "nordic,nrf-twim";
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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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};

‎tests/drivers/i2c/i2c_nrfx_twim/prj.conf‎

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CONFIG_ZTEST=y
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CONFIG_BOOT_BANNER=n
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CONFIG_LOG=y
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CONFIG_I2C_LOG_LEVEL_INF=y
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CONFIG_I2C=y
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CONFIG_I2C_TARGET=y
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CONFIG_I2C_TARGET_BUFFER_MODE=y
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CONFIG_I2C_NRFX_TWIS_BUF_SIZE=256
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CONFIG_ZERO_LATENCY_IRQS=y

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