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zephyr/tests/drivers/spi/spi_controller_peripheral
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Katarzyna Giądła 436d1bf628 samples: tests: Add support to tests on nrf54l15 DK 
Align all existing samples/tests/applications which
contains nrf54l15pdk/nrf54l15/* by adding
nrf54l15dk/nrf54l15/* to enable twister builds.

Signed-off-by: Katarzyna Giądła <katarzyna.giadla@nordicsemi.no>
Signed-off-by: Grzegorz Chwierut <grzegorz.chwierut@nordicsemi.no>
2024-09-26 03:31:20 -04:00
..
boards samples: tests: Add support to tests on nrf54l15 DK 2024-09-26 03:31:20 -04:00
src
CMakeLists.txt
Kconfig
prj.conf
README.txt
testcase.yaml samples: tests: Add support to tests on nrf54l15 DK 2024-09-26 03:31:20 -04:00

README.txt 

In this test suite two instances of the SPI peripheral are connected together.
One SPI instance works as a controller, second one is configured as a peripheral.
In each test, both instances get identical configuration (CPOL, CPHA, bitrate, etc.).

Four GPIO loopbacks are required (see overlay for nrf54l15pdk for reference):
1. spi22-SPIM_SCK connected with spi21-SPIS_SCK,
2. spi22-SPIM_MISO connected with spi21-SPIS_MISO,
3. spi22-SPIM_MOSI connected with spi21-SPIS_MOSI,
4. spi22-cs-gpios connected with spi21-SPIS_CSN.