SPI-Slave driver for DMA

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We are using SAMD51J18A controller in slave mode. Trying to implement SPI communication in slave mode using DMA.

We couldn't find APIs for SPI ( using DMA)  in ASF4 API reference manual.


if anyone suggests any document or sample codes to refer, it would be helpful to us.


and also, in Atmel start configurator we were able to find DMA driver only for SPI master... Does DMA driver applicable for slave ?