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tests: drivers: i2c: Add test for MLTPAN-105
Verify MLTPAN-105 workaorund implementation I2C transaction cannot recover from TWIM reset Signed-off-by: Bartosz Miller <[email protected]>
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‎tests/drivers/i2c/i2c_pan/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_pan)
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target_sources(app PRIVATE src/main.c)

‎tests/drivers/i2c/i2c_pan/boards/nrf52840dk_nrf52840.overlay‎

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/ {
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aliases {
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i2c-slave = &i2c1;
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};
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};
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&pinctrl {
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i2c0_default_alt: i2c0_default_alt {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 1, 1)>,
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<NRF_PSEL(TWIM_SCL, 1, 3)>;
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};
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};
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i2c0_sleep_alt: i2c0_sleep_alt {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 1, 1)>,
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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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i2c1_default_alt: i2c1_default_alt {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 1, 2)>,
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<NRF_PSEL(TWIS_SCL, 1, 4)>;
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bias-pull-up;
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};
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};
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i2c1_sleep_alt: i2c1_sleep_alt {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 1, 2)>,
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<NRF_PSEL(TWIS_SCL, 1, 4)>;
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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: &i2c0 {
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compatible = "nordic,nrf-twim";
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status = "okay";
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pinctrl-0 = <&i2c0_default_alt>;
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pinctrl-1 = <&i2c0_sleep_alt>;
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pinctrl-names = "default", "sleep";
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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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dut_twis: &i2c1 {
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compatible = "nordic,nrf-twis";
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status = "okay";
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pinctrl-0 = <&i2c1_default_alt>;
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pinctrl-1 = <&i2c1_sleep_alt>;
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pinctrl-names = "default", "sleep";
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};

‎tests/drivers/i2c/i2c_pan/boards/nrf5340dk_nrf5340_cpuapp.overlay‎

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/ {
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aliases {
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i2c-slave = &i2c2;
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};
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};
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&pinctrl {
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i2c1_default_alt: i2c1_default_alt {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 0, 4)>,
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<NRF_PSEL(TWIM_SCL, 0, 6)>;
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};
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};
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i2c1_sleep_alt: i2c1_sleep_alt {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 0, 4)>,
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<NRF_PSEL(TWIM_SCL, 0, 6)>;
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low-power-enable;
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};
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};
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i2c2_default_alt: i2c2_default_alt {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 0, 5)>,
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<NRF_PSEL(TWIS_SCL, 0, 7)>;
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bias-pull-up;
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};
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};
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i2c2_sleep_alt: i2c2_sleep_alt {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 0, 5)>,
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<NRF_PSEL(TWIS_SCL, 0, 7)>;
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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: &i2c1 {
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compatible = "nordic,nrf-twim";
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status = "okay";
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pinctrl-0 = <&i2c1_default_alt>;
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pinctrl-1 = <&i2c1_sleep_alt>;
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pinctrl-names = "default", "sleep";
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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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dut_twis: &i2c2 {
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compatible = "nordic,nrf-twis";
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pinctrl-0 = <&i2c2_default_alt>;
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pinctrl-1 = <&i2c2_sleep_alt>;
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pinctrl-names = "default", "sleep";
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};

‎tests/drivers/i2c/i2c_pan/boards/nrf54h20dk_nrf54h20_cpuapp.overlay‎

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/ {
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aliases {
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i2c-slave = &i2c131;
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};
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};
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&pinctrl {
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i2c130_default_alt: i2c130_default_alt {
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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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};
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};
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i2c130_sleep_alt: i2c130_sleep_alt {
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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_alt: i2c131_default_alt {
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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_alt: i2c131_sleep_alt {
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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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dut_twim: &i2c130 {
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compatible = "nordic,nrf-twim";
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status = "okay";
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pinctrl-0 = <&i2c130_default_alt>;
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pinctrl-1 = <&i2c130_sleep_alt>;
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pinctrl-names = "default", "sleep";
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memory-regions = <&cpuapp_dma_region>;
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zephyr,concat-buf-size = <512>;
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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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dut_twis: &i2c131 {
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compatible = "nordic,nrf-twis";
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status = "okay";
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pinctrl-0 = <&i2c131_default_alt>;
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pinctrl-1 = <&i2c131_sleep_alt>;
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pinctrl-names = "default", "sleep";
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memory-regions = <&cpuapp_dma_region>;
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};

‎tests/drivers/i2c/i2c_pan/boards/nrf54l15dk_nrf54l15_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, 12)>;
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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, 12)>;
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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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psels = <NRF_PSEL(TWIS_SDA, 1, 9)>,
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<NRF_PSEL(TWIS_SCL, 1, 13)>;
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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(TWIS_SDA, 1, 9)>,
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<NRF_PSEL(TWIS_SCL, 1, 13)>;
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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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sensor: sensor@54 {
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reg = <0x54>;
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};
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};
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dut_twis: &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/drivers/i2c/i2c_pan/boards/nrf54lm20dk_nrf54lm20a_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, 12)>;
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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, 12)>;
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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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psels = <NRF_PSEL(TWIS_SDA, 1, 9)>,
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<NRF_PSEL(TWIS_SCL, 1, 13)>;
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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(TWIS_SDA, 1, 9)>,
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<NRF_PSEL(TWIS_SCL, 1, 13)>;
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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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sensor: sensor@54 {
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reg = <0x54>;
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};
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};
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dut_twis: &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/drivers/i2c/i2c_pan/boards/nrf54lv10dk_nrf54lv10a_cpuapp.overlay‎

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/ {
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aliases {
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i2c-slave = &i2c21;
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};
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};
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&pinctrl {
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i2c20_default_alt: i2c20_default_alt {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 1, 0)>,
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<NRF_PSEL(TWIM_SCL, 1, 2)>;
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};
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};
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i2c20_sleep_alt: i2c20_sleep_alt {
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group1 {
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psels = <NRF_PSEL(TWIM_SDA, 1, 0)>,
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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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i2c21_default_alt: i2c21_default_alt {
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group1 {
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psels = <NRF_PSEL(TWIS_SDA, 1, 1)>,
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<NRF_PSEL(TWIS_SCL, 1, 3)>;
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bias-pull-up;
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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(TWIS_SDA, 1, 1)>,
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<NRF_PSEL(TWIS_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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dut_twim: &i2c20 {
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compatible = "nordic,nrf-twim";
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status = "okay";
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pinctrl-0 = <&i2c20_default_alt>;
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pinctrl-1 = <&i2c20_sleep_alt>;
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pinctrl-names = "default", "sleep";
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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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dut_twis: &i2c21 {
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compatible = "nordic,nrf-twis";
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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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};

‎tests/drivers/i2c/i2c_pan/prj.conf‎

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CONFIG_I2C=y
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CONFIG_NRFX_TWIS=y
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CONFIG_ZTEST=y

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