tests: drivers: uart: Extend testing for nrf54h20 (including UARTE120 and cpuppr) #2259
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Add test which is using two independent UART devices. Validate behavior of asynchronous API. Signed-off-by: Krzysztof Chruściński <[email protected]>
Rework test to be able to support running on multiple set of instance(s). Signed-off-by: Krzysztof Chruściński <[email protected]>
Use multi-instance testing and add UARTE120 configuration to nrf54h20 overlays. Signed-off-by: Krzysztof Chruściński <[email protected]>
Add configurations in which runtime PM is enabled. There are 2 configurations: - Test does not call PM API for getting and putting the device. In that configuration UART device shall be suspended whenever not active. - Test is calling PM API which should keep device active as long as requested (e.g. during packet reception which consists of multiple chunks). Signed-off-by: Krzysztof Chruściński <[email protected]>
Add configuration for nrf54h20dk/nrf54h20/cpuppr. Signed-off-by: Krzysztof Chruściński <[email protected]>
Multiple variable in the test were missing static keyword. Signed-off-by: Krzysztof Chruściński <[email protected]>
Rework the test to be able to run on multiple instances. Signed-off-by: Krzysztof Chruściński <[email protected]>
Fix target which was failing due to lack of memory for DMA buffers. Signed-off-by: Krzysztof Chruściński <[email protected]>
Add second instance to be tested on nrf54h20dk. uart120 is a fast UARTE which works on fixed pin locations. It is not available for cpuppr core. Signed-off-by: Krzysztof Chruściński <[email protected]>
Add configuration for nrf54h20dk/nrf54h20/cpuppr. Signed-off-by: Krzysztof Chruściński <[email protected]>
Rework test to allow testing multiple UART instances in a single run. Signed-off-by: Krzysztof Chruściński <[email protected]>
Add configuration for UARTE120 fast instance. Use multi-instance capability of the test to run same test on UARTE120 and slow UARTE peripheral. Signed-off-by: Krzysztof Chruściński <[email protected]>
b6d4542 Added support for pin retention but it was added only to the case when device PM is used. There is another mode in which UARTE is disabled when idle (low power mode) and in that case pin retention must also be added. Signed-off-by: Krzysztof Chruściński <[email protected]>
Add property to nrfx_uarte which indicates that pins must be retained for the given instance when it is disabled. Add that property to uart120 instances as those always require that since pins are routed through CTRLSEL. For other instances there are exceptions when CTRLSEL is used (see the specification). Signed-off-by: Krzysztof Chruściński <[email protected]>
Since pin retantion is done as a part of suspend/resume which is done in the critical section, it shall be done only when needed. Use DT flag to determine which UARTE instance needs it. Signed-off-by: Krzysztof Chruściński <[email protected]>
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Set of changes in the tests to cover tests on PPR and tests for UARTE120.