drivers: dma: stm32 dma driver for a new dma version
This is the dma V2bis which is particular DMA V2 instance for stm32F1 and STM32L1 soc series. This DMA does not use the dma slot Otherwise it is similar to version V2. Signed-off-by: Francois Ramu <francois.ramu@st.com>
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3 changed files with 12 additions and 3 deletions
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@ -6,6 +6,7 @@
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DT_COMPAT_ST_STM32_DMA_V1 := st,stm32-dma-v1
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DT_COMPAT_ST_STM32_DMA_V2 := st,stm32-dma-v2
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DT_COMPAT_ST_STM32_DMA_V2BIS := st,stm32-dma-v2bis
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DT_COMPAT_ST_STM32_DMAMUX := st,stm32-dmamux
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config DMA_STM32
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@ -25,9 +26,13 @@ config DMA_STM32_V1
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config DMA_STM32_V2
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bool
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default y if $(dt_compat_enabled,$(DT_COMPAT_ST_STM32_DMA_V2))
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default y if $(dt_compat_enabled,$(DT_COMPAT_ST_STM32_DMA_V2)) \
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|| $(dt_compat_enabled,$(DT_COMPAT_ST_STM32_DMA_V2BIS))
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help
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Enable DMA V2 support.
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Enable DMA V2 or DMA V2bis support. With the versions V2 of DMA, the
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peripheral request must be specified in the dma slot of the dma cell
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With the versions V2 bis of DMA, the peripheral request (slot) is not
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a parameter of the dma-cell.
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config DMAMUX_STM32
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bool
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@ -24,6 +24,8 @@ LOG_MODULE_REGISTER(dma_stm32, CONFIG_DMA_LOG_LEVEL);
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#define DT_DRV_COMPAT st_stm32_dma_v1
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#elif DT_HAS_COMPAT_STATUS_OKAY(st_stm32_dma_v2)
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#define DT_DRV_COMPAT st_stm32_dma_v2
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#elif DT_HAS_COMPAT_STATUS_OKAY(st_stm32_dma_v2bis)
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#define DT_DRV_COMPAT st_stm32_dma_v2bis
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#endif
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#if DT_NODE_HAS_STATUS(DT_DRV_INST(0), okay)
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@ -5,6 +5,7 @@
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DT_COMPAT_ST_STM32_DMA_V1 := st,stm32-dma-v1
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DT_COMPAT_ST_STM32_DMA_V2 := st,stm32-dma-v2
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DT_COMPAT_ST_STM32_DMA_V2BIS := st,stm32-dma-v2bis
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config UART_STM32
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bool "STM32 MCU serial driver"
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@ -13,7 +14,8 @@ config UART_STM32
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# the ASYNC implementation requires a DMA controller
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select SERIAL_SUPPORT_ASYNC \
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if $(dt_compat_enabled,$(DT_COMPAT_ST_STM32_DMA_V1)) || \
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$(dt_compat_enabled,$(DT_COMPAT_ST_STM32_DMA_V2))
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$(dt_compat_enabled,$(DT_COMPAT_ST_STM32_DMA_V2)) || \
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$(dt_compat_enabled,$(DT_COMPAT_ST_STM32_DMA_V2BIS))
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select DMA if UART_ASYNC_API
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depends on SOC_FAMILY_STM32
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help
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