Commit 1fe20f1b authored by Eugeniy Paltsev's avatar Eugeniy Paltsev Committed by Vinod Koul
Browse files

dmaengine: Introduce DW AXI DMAC driver 



This patch adds support for the DW AXI DMAC controller.
DW AXI DMAC is a part of HSDK development board from Synopsys.

In this driver implementation only DMA_MEMCPY transfers are
supported.

Signed-off-by: default avatarEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 7928b2cb

MAINTAINERS

+6 −0
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@@ -13336,6 +13336,12 @@ S: Maintained 
F:	drivers/gpio/gpio-dwapb.c

F:	Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt



SYNOPSYS DESIGNWARE AXI DMAC DRIVER

M:	Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>

S:	Maintained

F:	drivers/dma/dwi-axi-dmac/

F:	Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.txt



SYNOPSYS DESIGNWARE DMAC DRIVER

M:	Viresh Kumar <vireshk@kernel.org>

R:	Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/dma/Kconfig

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@@ -187,6 +187,16 @@ config DMA_SUN6I 
	help

	  Support for the DMA engine first found in Allwinner A31 SoCs.



config DW_AXI_DMAC

	tristate "Synopsys DesignWare AXI DMA support"

	depends on OF || COMPILE_TEST

	select DMA_ENGINE

	select DMA_VIRTUAL_CHANNELS

	help

	  Enable support for Synopsys DesignWare AXI DMA controller.

	  NOTE: This driver wasn't tested on 64 bit platform because

	  of lack 64 bit platform with Synopsys DW AXI DMAC.



config EP93XX_DMA

	bool "Cirrus Logic EP93xx DMA support"

	depends on ARCH_EP93XX || COMPILE_TEST

drivers/dma/Makefile

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@@ -28,6 +28,7 @@ obj-$(CONFIG_DMA_OMAP) += omap-dma.o 
obj-$(CONFIG_DMA_SA11X0) += sa11x0-dma.o

obj-$(CONFIG_DMA_SUN4I) += sun4i-dma.o

obj-$(CONFIG_DMA_SUN6I) += sun6i-dma.o

obj-$(CONFIG_DW_AXI_DMAC) += dw-axi-dmac/

obj-$(CONFIG_DW_DMAC_CORE) += dw/

obj-$(CONFIG_EP93XX_DMA) += ep93xx_dma.o

obj-$(CONFIG_FSL_DMA) += fsldma.o

drivers/dma/dw-axi-dmac/Makefile

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obj-$(CONFIG_DW_AXI_DMAC) += dw-axi-dmac-platform.o

drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c

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File added.

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