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zephyr/drivers/spi
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Tom Burdick 74b9699213 spi: SAM support SPI transfers with DMA 
For larger transfers DMA can be used enabling other tasks
to continue running. A threshold of 32 byte transfers
is about right and is defined threshold value for using DMA.

This does not currently support multiple SPI transactions changing
chip select with DMA (though the hardware supports this) currently.
Instead opting for the simpler first change of enabling one shot
DMA SPI transfers for those where the size warrants it.

Adds the loopback binding option to enable the spi_loopback test.

Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
2022-11-08 09:37:59 +00:00
..
CMakeLists.txt drivers: spi: Added MEC172x full duplex qmspi driver 2022-10-14 14:09:51 -05:00
Kconfig drivers: spi: Added MEC172x full duplex qmspi driver 2022-10-14 14:09:51 -05:00
Kconfig.andes_atcspi200 drivers: spi: add Andes atcspi200 driver 2022-09-07 15:34:47 +02:00
Kconfig.b91 drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.bitbang drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.cc13xx_cc26xx drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.dw drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.esp32 drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.gd32 drivers: spi: gd32: support interrupt-driven mode 2022-08-01 10:32:33 +02:00
Kconfig.gecko drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.litex drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.mchp_mss_qspi drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.mcux_dspi drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.mcux_flexcomm drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.mcux_lpspi drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.npcx_fiu drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.nrfx drivers: spi: nrfx_spim: move rx delay to DT 2022-07-19 13:20:00 -07:00
Kconfig.oc_simple drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.pl022 drivers: spi: pl022: Support interrupt based transfer 2022-08-18 10:18:16 +02:00
Kconfig.psoc6 drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.rv32m1_lpspi drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.sam spi: SAM support SPI transfers with DMA 2022-11-08 09:37:59 +00:00
Kconfig.sam0 drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.sifive drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.spi_emul drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.stm32 drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.test drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
Kconfig.xec_qmspi drivers: spi: Added MEC172x full duplex qmspi driver 2022-10-14 14:09:51 -05:00
Kconfig.xlnx drivers: spi: Update drivers to use devicetree Kconfig symbol 2022-07-25 09:38:30 +02:00
spi_andes_atcspi200.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_andes_atcspi200.h drivers: spi: add Andes atcspi200 driver 2022-09-07 15:34:47 +02:00
spi_b91.c spi: callback API for asynchronous transcieve 2022-08-26 09:29:48 -04:00
spi_bitbang.c spi: callback API for asynchronous transcieve 2022-08-26 09:29:48 -04:00
spi_cc13xx_cc26xx.c spi: callback API for asynchronous transcieve 2022-08-26 09:29:48 -04:00
spi_context.h include: add missing kernel.h include 2022-10-11 18:05:17 +02:00
spi_dw_regs.h
spi_dw.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_dw.h drivers: ipm/spi/intc: remove Intel S1000 support 2022-06-13 16:19:51 -04:00
spi_emul.c emul: remove name param from bus register APIs 2022-07-19 15:52:36 -05:00
spi_esp32_spim.c drivers: spi: esp32xx: remove unnecessary log 2022-10-14 09:56:38 +02:00
spi_esp32_spim.h drivers: spi: esp32c3: add DMA support 2022-10-04 10:35:14 +02:00
spi_gd32.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_gecko.c drivers: spi: gecko: Migrate spi_context_complete usage 2022-09-01 01:02:50 +09:00
spi_handlers.c drivers: migrate includes to <zephyr/...> 2022-05-06 19:58:21 +02:00
spi_litespi.c drivers: spi: litespi: Migrate spi_context_complete usage 2022-09-01 01:02:50 +09:00
spi_litespi.h drivers: spi: spi_litespi: Update driver registers 2022-05-27 15:27:11 -07:00
spi_ll_stm32.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_ll_stm32.h drivers: spi : driver with DMA for the stm32u5 2022-09-07 15:34:35 +02:00
spi_mchp_mss_qspi.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_mcux_dspi.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_mcux_flexcomm.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_mcux_lpspi.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_npcx_fiu.c spi: callback API for asynchronous transcieve 2022-08-26 09:29:48 -04:00
spi_nrfx_spi.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_nrfx_spim.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_nrfx_spis.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_oc_simple.c spi: callback API for asynchronous transcieve 2022-08-26 09:29:48 -04:00
spi_oc_simple.h
spi_pl022.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_psoc6.c drivers: spi: psoc6: Fix spi_psoc6_transceive calls 2022-09-01 01:02:50 +09:00
spi_rv32m1_lpspi.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00
spi_sam0.c spi: callback API for asynchronous transcieve 2022-08-26 09:29:48 -04:00
spi_sam.c spi: SAM support SPI transfers with DMA 2022-11-08 09:37:59 +00:00
spi_sifive.c drivers: spi: sifive: Migrate spi_context_{complete,lock} usage 2022-09-01 01:02:50 +09:00
spi_sifive.h drivers: migrate includes to <zephyr/...> 2022-05-06 19:58:21 +02:00
spi_signal.c includes: prefer <zephyr/kernel.h> over <zephyr/zephyr.h> 2022-09-05 16:31:47 +02:00
spi_test.c includes: prefer <zephyr/kernel.h> over <zephyr/zephyr.h> 2022-09-05 16:31:47 +02:00
spi_xec_qmspi_full_duplex.c drivers: spi: Added MEC172x full duplex qmspi driver 2022-10-14 14:09:51 -05:00
spi_xec_qmspi_full_duplex.h drivers: spi: Added MEC172x full duplex qmspi driver 2022-10-14 14:09:51 -05:00
spi_xec_qmspi_ldma.c drivers: spi: fix formatting in mec172x ldma driver 2022-10-28 14:29:46 -05:00
spi_xec_qmspi.c spi: mec15xx: add pinctrl for mec15xx/mec1501 qmspi 2022-09-21 18:05:32 +00:00
spi_xlnx_axi_quadspi.c include: add missing zephyr/irq.h include 2022-10-17 22:57:39 +09:00