drivers: dma: stm32: bdma support for H7

Implement STM32H7 BDMA driver.

Co-authored-by: Jeroen van Dooren <jeroen.van.dooren@nobleo.nl>
Signed-off-by: Hein Wessels <heinwessels93@gmail.com>

drivers/dma/CMakeLists.txt

@@ -3,10 +3,10 @@
 zephyr_library()
 
 zephyr_library_sources_ifdef(CONFIG_DMA_SAM_XDMAC	dma_sam_xdmac.c)
-zephyr_library_sources_ifdef(CONFIG_DMA_STM32U5	dma_stm32u5.c)
-zephyr_library_sources_ifdef(CONFIG_DMA_STM32		dma_stm32.c)
-zephyr_library_sources_ifdef(CONFIG_DMA_STM32_V1	dma_stm32_v1.c)
-zephyr_library_sources_ifdef(CONFIG_DMA_STM32_V2	dma_stm32_v2.c)
+zephyr_library_sources_ifdef(CONFIG_DMA_STM32U5	        dma_stm32u5.c)
+zephyr_library_sources_ifdef(CONFIG_DMA_STM32_V1	dma_stm32.c dma_stm32_v1.c)
+zephyr_library_sources_ifdef(CONFIG_DMA_STM32_V2	dma_stm32.c dma_stm32_v2.c)
+zephyr_library_sources_ifdef(CONFIG_DMA_STM32_BDMA	dma_stm32_bdma.c)
 zephyr_library_sources_ifdef(CONFIG_DMAMUX_STM32	dmamux_stm32.c)
 zephyr_library_sources_ifdef(CONFIG_DMA_DW		dma_dw.c dma_dw_common.c)
 zephyr_library_sources_ifdef(CONFIG_DMA_NIOS2_MSGDMA	dma_nios2_msgdma.c)

drivers/dma/Kconfig.stm32

@@ -2,6 +2,7 @@
 
 # Copyright (c) 2016 Intel Corporation
 # Copyright (c) 2019 Song Qiang <songqiang1304521@gmail.com>
+# Copyright (c) 2023 Jeroen van Dooren, Nobleo Technology
 # SPDX-License-Identifier: Apache-2.0
 
 config DMA_STM32
@@ -10,9 +11,10 @@ config DMA_STM32
 	default y
 	depends on DT_HAS_ST_STM32_DMA_V1_ENABLED \
 		|| DT_HAS_ST_STM32_DMA_V2_ENABLED \
-		|| DT_HAS_ST_STM32_DMA_V2BIS_ENABLED
+		|| DT_HAS_ST_STM32_DMA_V2BIS_ENABLED \
+		|| DT_HAS_ST_STM32_BDMA_ENABLED
 	help
-	  Driver for STM32 DMA V1, V2 and V2bis types.
+	  Driver for STM32 DMA V1, V2, V2bis and BDMA types.
 
 config DMA_STM32U5
 	bool "STM32U5 serie DMA driver"
@@ -56,4 +58,12 @@ config DMA_STM32_SHARED_IRQS
 	help
 	  Enable shared IRQ support on devices where channels share 1 IRQ.
 
+config DMA_STM32_BDMA
+	bool "STM32 BDMA driver"
+	default y
+	select USE_STM32_LL_BDMA
+	depends on DT_HAS_ST_STM32_BDMA_ENABLED
+	help
+	  BDMA driver for STM32H7 series SoCs.
+
 endif # DMA_STM32