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zephyr/drivers/spi
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Maureen Helm 10c1ded452 drivers: spi: Add optional delays to mcux dspi and lpspi drivers 
Adds optional device tree properties to set delays between spi chip
select assert/deassert and clock edges in the mcux dspi and lpspi
drivers. If these properties are not set, then the minimum supported
delays are used.

Verified that tests/drivers/spi/spi_loopback/ still passes on
mimxrt1050_evk (lpspi driver) and frdm_k64f (dspi driver).

Measured with a scope that the pcs-sck-delay and sck-pcs-delay times on
the first spi transaction in the test are reduced from 7.82 us to 20 ns
on mimxrt1050_evk.

Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
 		2020-07-02 07:57:36 -04:00
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CMakeLists.txt
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Kconfig
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Kconfig.cc13xx_cc26xx
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Kconfig.dw
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Kconfig.gecko
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Kconfig.litex
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Kconfig.mcux_dspi
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Kconfig.mcux_flexcomm
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Kconfig.mcux_lpspi
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Kconfig.nrfx
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Kconfig.oc_simple
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Kconfig.rv32m1_lpspi
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Kconfig.sam drivers: spi: spi_sam: rework device tree support 2020-04-25 09:29:54 -05:00
Kconfig.sam0
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Kconfig.sifive
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Kconfig.stm32 drivers: spi: Enable dma transfer for SPI on stm32 2020-05-04 09:46:07 -05:00
Kconfig.xec_qmspi
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spi_cc13xx_cc26xx.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_context.h drivers: spi: CS configuration through devicetree 2020-07-01 16:40:03 -05:00
spi_dw.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_dw.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_dw_regs.h
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spi_gecko.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_handlers.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_litespi.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_litespi.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_ll_stm32.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_ll_stm32.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_mcux_dspi.c drivers: spi: Add optional delays to mcux dspi and lpspi drivers 2020-07-02 07:57:36 -04:00
spi_mcux_flexcomm.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_mcux_lpspi.c drivers: spi: Add optional delays to mcux dspi and lpspi drivers 2020-07-02 07:57:36 -04:00
spi_nrfx_spi.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_nrfx_spim.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_nrfx_spis.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_oc_simple.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_oc_simple.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_rv32m1_lpspi.c drivers: spi: rv32m1_lpspi: Fix null tx 2020-06-17 09:30:12 +02:00
spi_sam.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_sam0.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_sifive.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_sifive.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_xec_qmspi.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00