drivers: dma: add dma driver for designware axi DMA controller

Adding dma driver source for designware axi dma controller

Signed-off-by: Balsundar Ponnusamy <[email protected]>

Author: pbalsundar

drivers/dma/CMakeLists.txt

@@ -42,3 +42,4 @@ zephyr_library_sources_ifdef(CONFIG_DMA_SMARTBOND   dma_smartbond.c)
 zephyr_library_sources_ifdef(CONFIG_DMA_NXP_SOF_HOST_DMA dma_nxp_sof_host_dma.c)
 zephyr_library_sources_ifdef(CONFIG_DMA_EMUL	    dma_emul.c)
 zephyr_library_sources_ifdef(CONFIG_DMA_NXP_EDMA dma_nxp_edma.c)
+zephyr_library_sources_ifdef(CONFIG_DMA_DW_AXI		dma_dw_axi.c)

drivers/dma/Kconfig

@@ -78,4 +78,6 @@ source "drivers/dma/Kconfig.emul"
 
 source "drivers/dma/Kconfig.nxp_edma"
 
+source "drivers/dma/Kconfig.dw_axi_dmac"
+
 endif # DMA

drivers/dma/Kconfig.dw_axi_dmac

@@ -0,0 +1,53 @@
+# DesignWare DMA configuration options
+
+# Copyright (c) 2023 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config DMA_DW_AXI
+	bool "DesignWare AXI DMA driver"
+	default y
+	depends on DT_HAS_SNPS_DESIGNWARE_DMA_AXI_ENABLED
+	imply DMA_64BIT
+	help
+	  DesignWare AXI DMA driver.
+
+if DMA_DW_AXI
+
+config DMA_DW_AXI_MAX_DESC
+	int "allocate number of lli descriptor"
+	default 10
+	help
+	  creates number of descriptor per channel in a statically allocated pool.
+	  Each channel has its own dedicated pool.
+
+config DMA_DW_AXI_LLI_SUPPORT
+	bool "hardware supports linked list multi block transfer"
+	default y
+	help
+	  This flag can be enabled if hardware support Linked List multi-block transfer
+
+config DMA_CHANNEL_STATUS_TIMEOUT
+	int "Channel status timeout"
+	default 1000
+	help
+	  Max timeout to abort or disable the channel
+
+config DMA_DW_AXI_MAX_BURST_TXN_LEN
+	int "max burst transaction length"
+	default 8
+	help
+	  set max number of source and destination data units supported
+
+config DMA_DW_AXI_DATA_WIDTH
+	int "data bus width"
+	default 64
+	help
+	  update this flag to change the axi master interface data width
+
+config DMA_DW_AXI_MAX_BLOCK_TS
+	int "max block size"
+	default 32767
+	help
+	  update this config to set maximum value of block size
+
+endif # DMA_DW_AXI