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zephyr/tests/drivers/spi/spi_controller_peripheral
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Khoa Nguyen 291860e193 tests: drivers: spi: Add support spi_controller_peripheral for RA 
Add support test app support spi_controller_peripheral for Renesas
RA boards: ek_ra6m5, ek_ra6m4, ek_ra6m3, ek_ra6m2, ek_ra6m1,
ek_ra6e2, fpb_ra6e2, ek_ra4m1, ek_ra2a1

Signed-off-by: Khoa Nguyen <khoa.nguyen.xh@renesas.com>
2025-06-04 08:44:47 +02:00
..
boards tests: drivers: spi: Add support spi_controller_peripheral for RA 2025-06-04 08:44:47 +02:00
src
sysbuild/vpr_launcher
CMakeLists.txt
Kconfig
prj.conf
README.txt
testcase.yaml dts: boards: we: add board Ophelia-IV 2025-04-03 13:16:05 +02:00

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 nrf54l15dk 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.