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Commit 2dda6ec0 authored by Tony Truong's avatar Tony Truong Committed by Rama Krishna Phani A
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dmaengine: edma: add support for QCOM PCIe eDMA 



Add dmaengine framework support for QCOM PCIe eDMA
controller. PCIe eDMA controller can be used for
transferring data between system memory and peripherals.

Change-Id: I3eae47922476ac3831eac044af6c243468803016
Signed-off-by: default avatarTony Truong <truong@codeaurora.org>
parent 3c3f5489

drivers/dma/qcom/Kconfig

+18 −0
Original line number Diff line number Diff line
@@ -46,3 +46,21 @@ config QCOM_GPI_DMA_DEBUG 
	help

	  Enable detailed logging for QCOM GPI driver. Extra logging will be

	  helpful when debugging critical issues.



config QCOM_PCI_EDMA

	tristate "Qualcomm Technologies Inc PCIe eDMA support"

	select DMA_ENGINE

	help

	  Enable support for the QCOM PCIe eDMA. This DMA is part of QCOM

	  PCIe controller that provides DMA capabilities for clients.

	  By using PCIe eDMA driver, clients can use a standardize

	  interface that is protocol independent to transfer data between DDR

	  and peripheral.



config QCOM_PCI_EDMA_DEBUG

	bool "Qualcomm Technologies Inc PCIe eDMA debug support"

	depends on QCOM_PCI_EDMA

	help

	  Enable detailed logging for QCOM PCIe eDMA driver. Should

	  only be enabled for debugging purpose since excessive logging

	  of all channels information and activity will decrease throughput.

drivers/dma/qcom/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -5,3 +5,4 @@ hdma_mgmt-objs := hidma_mgmt.o hidma_mgmt_sys.o 
obj-$(CONFIG_QCOM_HIDMA) +=  hdma.o

hdma-objs        := hidma_ll.o hidma.o hidma_dbg.o

obj-$(CONFIG_QCOM_GPI_DMA) += gpi.o

obj-$(CONFIG_QCOM_PCI_EDMA) += pci-edma.o