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drivers: spi: spi_pico_pio: Implement DMA support for 4-wire operation #85807

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drivers: spi: spi_pico_pio: Implement DMA support for 4-wire operation #85807

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e5a27a9
drivers: spi: spi_pico_pio: Implement DMA support for 4-wire operation
TerryGeng Feb 14, 2025
87831e6
tests: drivers: spi: loopback: Add test for pico-spi-pio driver with …
TerryGeng Feb 14, 2025
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13 changes: 11 additions & 2 deletions drivers/spi/Kconfig.rpi_pico
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,20 @@
# SPDX-License-Identifier: Apache-2.0

config SPI_RPI_PICO_PIO
bool "Raspberry Pi PICO PIO SPI controller driver"
bool "Raspberry Pi Pico PIO SPI controller driver"
default y
depends on DT_HAS_RASPBERRYPI_PICO_SPI_PIO_ENABLED
select PICOSDK_USE_PIO
select PICOSDK_USE_CLAIM
select PINCTRL
help
Enable driving SPI via PIO on the PICO
Enable driving SPI via PIO on the Raspberry Pi Pico

if SPI_RPI_PICO_PIO

config SPI_RPI_PICO_PIO_DMA
bool "Raspberry Pi Pico PIO SPI DMA mode"
select DMA
help
Enables DMA support for Raspberry Pi Pico PIO SPI driver.
endif
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