2141bb4561
Extend the workaround for the unreliable SPI busy flag to all F7 and L4 devices, which are affected by the same erratum. Fixes #67739 Signed-off-by: Benedikt Schmidt <benedikt.schmidt@embedded-solutions.at>
53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
# STM32 SPI driver configuration options
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# Copyright (c) 2015-2016 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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menuconfig SPI_STM32
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bool "STM32 MCU SPI controller driver"
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default y
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depends on DT_HAS_ST_STM32_SPI_ENABLED
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select USE_STM32_LL_SPI
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help
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Enable SPI support on the STM32 family of processors.
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if SPI_STM32
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config SPI_STM32_INTERRUPT
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bool "STM32 MCU SPI Interrupt Support"
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help
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Enable Interrupt support for the SPI Driver of STM32 family.
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config SPI_STM32_DMA
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bool "STM32 MCU SPI DMA Support"
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select DMA
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select CACHE_MANAGEMENT if CPU_HAS_DCACHE
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help
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Enable the SPI DMA mode for SPI instances
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that enable dma channels in their device tree node.
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config SPI_STM32_USE_HW_SS
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bool "STM32 Hardware Slave Select support"
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default y
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help
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Use Slave Select pin instead of software Slave Select.
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config SPI_STM32_ERRATA_BUSY
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bool
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default y
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depends on SOC_SERIES_STM32F7X || SOC_SERIES_STM32L4X
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help
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Handles erratum "BSY bit may stay high at the end of a data
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transfer in slave mode".
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Seen for instance in Errata Sheet 0290 §2.11.2
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if SPI_STM32_ERRATA_BUSY
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config SPI_STM32_BUSY_FLAG_TIMEOUT
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int "timeout in us for the STM32 busy flag workaround"
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default 10000
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endif # SPI_STM32_ERRATA_BUSY
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endif # SPI_STM32
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