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drivers: spi: smartbond: Add async API support

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This commit should deal with adding support
for asynchronous operations. It also adds
support for DMA acceleration via a Kconfig
variable (enaled by default as DMA should
be considered scales faster than the
interrupt-driven approach).

Signed-off-by: Ioannis Karachalios <ioannis.karachalios.px@renesas.com>
This commit is contained in:
Ioannis Karachalios 2024-06-05 00:00:39 +03:00 • committed by Anas Nashif
commit 774ed60280
2 changed files with 970 additions and 22 deletions
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10
drivers/spi/Kconfig.smartbond
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@ -7,3 +7,13 @@ config SPI_SMARTBOND
depends on DT_HAS_RENESAS_SMARTBOND_SPI_ENABLED
help
Enables SPI driver for Renesas SmartBond(tm) DA1469x series MCU.
config SPI_SMARTBOND_DMA
bool "Renesas Smartbond(tm) SPI with DMA acceleration"
default y
depends on SPI_SMARTBOND
select DMA
help
Enables using the DMA engine instead of interrupt-driven
approach. This acceleration is available only for
asynchronous transfers.

982
drivers/spi/spi_smartbond.c
View file

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