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Commit f46b1957 authored by Jon Hunter's avatar Jon Hunter Committed by Vinod Koul
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dmaengine: tegra-adma: Add support for Tegra210 ADMA 



Add support for the Tegra210 Audio DMA controller that is used for
transferring data between system memory and the Audio sub-system.
The driver only supports cyclic transfers because this is being solely
used for audio.

This driver is based upon the work by Dara Ramesh <dramesh@nvidia.com>.

Signed-off-by: default avatarJon Hunter <jonathanh@nvidia.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent f4cb295b

drivers/dma/Kconfig

+14 −0
Original line number Diff line number Diff line
@@ -467,6 +467,20 @@ config TEGRA20_APB_DMA 
	  This DMA controller transfers data from memory to peripheral fifo

	  or vice versa. It does not support memory to memory data transfer.



config TEGRA210_ADMA

	bool "NVIDIA Tegra210 ADMA support"

	depends on ARCH_TEGRA_210_SOC

	select DMA_ENGINE

	select DMA_VIRTUAL_CHANNELS

	select PM_CLK

	help

	  Support for the NVIDIA Tegra210 ADMA controller driver. The

	  DMA controller has multiple DMA channels and is used to service

	  various audio clients in the Tegra210 audio processing engine

	  (APE). This DMA controller transfers data from memory to

	  peripheral and vice versa. It does not support memory to

	  memory data transfer.



config TIMB_DMA

	tristate "Timberdale FPGA DMA support"

	depends on MFD_TIMBERDALE

drivers/dma/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -59,6 +59,7 @@ obj-$(CONFIG_STM32_DMA) += stm32-dma.o 
obj-$(CONFIG_S3C24XX_DMAC) += s3c24xx-dma.o

obj-$(CONFIG_TXX9_DMAC) += txx9dmac.o

obj-$(CONFIG_TEGRA20_APB_DMA) += tegra20-apb-dma.o

obj-$(CONFIG_TEGRA210_ADMA) += tegra210-adma.o

obj-$(CONFIG_TIMB_DMA) += timb_dma.o

obj-$(CONFIG_TI_CPPI41) += cppi41.o

obj-$(CONFIG_TI_DMA_CROSSBAR) += ti-dma-crossbar.o

drivers/dma/tegra210-adma.c

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