| # STM32 SPI driver configuration options |
| |
| # Copyright (c) 2015-2016 Intel Corporation |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| menuconfig SPI_STM32 |
| bool "STM32 MCU SPI controller driver" |
| default y |
| depends on DT_HAS_ST_STM32_SPI_ENABLED |
| select PINCTRL |
| select USE_STM32_LL_SPI |
| help |
| Enable SPI support on the STM32 family of processors. |
| |
| if SPI_STM32 |
| |
| config SPI_STM32_INTERRUPT |
| bool "STM32 MCU SPI Interrupt Support" |
| help |
| Enable Interrupt support for the SPI Driver of STM32 family. |
| |
| config SPI_STM32_DMA |
| bool "STM32 MCU SPI DMA Support" |
| select DMA |
| select CACHE_MANAGEMENT if CPU_HAS_DCACHE |
| help |
| Enable the SPI DMA mode for SPI instances |
| that enable dma channels in their device tree node. |
| |
| config SPI_STM32_USE_HW_SS |
| bool "STM32 Hardware Slave Select support" |
| default y |
| help |
| Use Slave Select pin instead of software Slave Select. |
| |
| config SPI_STM32_ERRATA_BUSY |
| bool |
| default y |
| depends on SOC_SERIES_STM32F7X || SOC_SERIES_STM32L4X |
| help |
| Handles erratum "BSY bit may stay high at the end of a data |
| transfer in slave mode". |
| Seen for instance in Errata Sheet 0290 ยง2.11.2 |
| |
| if SPI_STM32_ERRATA_BUSY |
| |
| config SPI_STM32_BUSY_FLAG_TIMEOUT |
| int "timeout in us for the STM32 busy flag workaround" |
| default 10000 |
| |
| endif # SPI_STM32_ERRATA_BUSY |
| |
| endif # SPI_STM32 |
