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Farsin-Nasar-MicrochipHardevsinh-Palaniya
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tests: drivers: pinctrl: mchp: added new test project
Added new test case for pinctrl Added sam_e54 overlay file, testcase.yaml, CMakeLists.txt and prj.conf Signed-off-by: farsin NASAR V A <[email protected]>
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‎tests/drivers/pinctrl/microchip/CMakeLists.txt‎

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# Copyright (c) 2025 Microchip Technology Inc.
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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(microchip)
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target_sources(app PRIVATE src/main.c ../common/test_device.c)

‎tests/drivers/pinctrl/microchip/Kconfig‎

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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mainmenu "pinctrl microchip DT Test"
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source "Kconfig.zephyr"
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config PINCTRL_TEST_NON_STATIC
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bool "Access to pin control configuration"
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select PINCTRL_NON_STATIC
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help
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This option should be selected by unit tests that need to access the pin
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control configuration defined in a device driver.
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config TEST_PINCTRL_MCHP_SAM
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bool "Enable test for MCHP SAM drive strength"
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default y if SOC_FAMILY_MICROCHIP_SAM_D5X_E5X

‎tests/drivers/pinctrl/microchip/boards/sam_e54_xpro.conf‎

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_TEST_PINCTRL_MCHP_SAM=y

‎tests/drivers/pinctrl/microchip/boards/sam_e54_xpro.overlay‎

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/*
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* Copyright (c) 2025 Microchip Technology Inc.
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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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test_device: test_device@0 {
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compatible = "vnd,pinctrl-device";
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reg = <0x0 0x1>;
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pinctrl-0 = <&test_device_default>;
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pinctrl-names = "default";
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};
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};
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&pinctrl {
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test_device_default: test_device_default {
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/* Note: the groups are just meant for testing if properties and
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* pins are parsed correctly, but do not necessarily represent a
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* feasible combination
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*/
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group1 {
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pinmux = <PB16C_SERCOM5_PAD0>,
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<PB17C_SERCOM5_PAD1>;
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};
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group2 {
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pinmux = <PC4C_SERCOM6_PAD0>;
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bias-pull-up;
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};
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group3 {
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pinmux = <PC7C_SERCOM6_PAD3>;
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bias-pull-down;
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};
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group4 {
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pinmux = <PC22C_SERCOM1_PAD0>;
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input-enable;
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output-enable;
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};
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group5 {
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pinmux = <PC23C_SERCOM1_PAD1>;
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drive-strength=<1>;
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};
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};
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};

‎tests/drivers/pinctrl/microchip/prj.conf‎

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CONFIG_ZTEST=y
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CONFIG_PINCTRL_TEST_NON_STATIC=y

‎tests/drivers/pinctrl/microchip/src/main.c‎

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/*
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* Copyright (c) 2025 Microchip Technology Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/drivers/pinctrl.h>
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#include <zephyr/ztest.h>
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/* Pin configuration for test device */
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#define TEST_DEVICE DT_NODELABEL(test_device)
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PINCTRL_DT_DEV_CONFIG_DECLARE(TEST_DEVICE);
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static const struct pinctrl_dev_config *pcfg = PINCTRL_DT_DEV_CONFIG_GET(TEST_DEVICE);
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#define MCHP_PINCTRL_FLAG_GET(pincfg, pos) (((pincfg.pinflag) >> pos) & MCHP_PINCTRL_FLAG_MASK)
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ZTEST(pinctrl_mchp, test_pullup_pulldown_none)
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{
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const struct pinctrl_state *scfg;
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scfg = &pcfg->states[0];
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zassert_equal(MCHP_PINCTRL_FLAG_GET(scfg->pins[0], MCHP_PINCTRL_PULLUP_POS), 0);
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zassert_equal(MCHP_PINCTRL_FLAG_GET(scfg->pins[0], MCHP_PINCTRL_PULLDOWN_POS), 0);
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zassert_equal(MCHP_PINCTRL_FLAG_GET(scfg->pins[1], MCHP_PINCTRL_PULLUP_POS), 0);
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zassert_equal(MCHP_PINCTRL_FLAG_GET(scfg->pins[1], MCHP_PINCTRL_PULLDOWN_POS), 0);
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}
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ZTEST(pinctrl_mchp, test_pullup)
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{
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const struct pinctrl_state *scfg;
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scfg = &pcfg->states[0];
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zassert_equal(MCHP_PINCTRL_FLAG_GET(scfg->pins[2], MCHP_PINCTRL_PULLUP_POS), 1);
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}
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ZTEST(pinctrl_mchp, test_pulldown)
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{
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const struct pinctrl_state *scfg;
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scfg = &pcfg->states[0];
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zassert_equal(MCHP_PINCTRL_FLAG_GET(scfg->pins[3], MCHP_PINCTRL_PULLDOWN_POS), 1);
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}
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ZTEST(pinctrl_mchp, test_input_output_enable)
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{
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const struct pinctrl_state *scfg;
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scfg = &pcfg->states[0];
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zassert_equal(MCHP_PINCTRL_FLAG_GET(scfg->pins[4], MCHP_PINCTRL_INPUTENABLE_POS), 1);
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zassert_equal(MCHP_PINCTRL_FLAG_GET(scfg->pins[4], MCHP_PINCTRL_OUTPUTENABLE_POS), 1);
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}
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#if defined(CONFIG_TEST_PINCTRL_MCHP_SAM)
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ZTEST(pinctrl_mchp, test_drive_strength)
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{
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const struct pinctrl_state *scfg;
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scfg = &pcfg->states[0];
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zassert_equal(MCHP_PINCTRL_FLAG_GET(scfg->pins[5], MCHP_PINCTRL_DRIVESTRENGTH_POS), 1);
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}
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#endif
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ZTEST(pinctrl_mchp, test_apply_state)
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{
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int ret;
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ret = pinctrl_apply_state(pcfg, PINCTRL_STATE_DEFAULT);
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zassert_equal(ret, 0);
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}
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ZTEST_SUITE(pinctrl_mchp, NULL, NULL, NULL, NULL, NULL);

‎tests/drivers/pinctrl/microchip/testcase.yaml‎

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tests:
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drivers.pinctrl.microchip:
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tags:
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- drivers
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- pinctrl
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platform_allow:
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- sam_e54_xpro

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