[PATCH V4 0/2] of: Add generic device tree DMA helpers
Jon Hunter
jon-hunter at ti.com
Fri Sep 14 08:00:27 EST 2012
This is based upon the work by Benoit Cousson [1] and Nicolas Ferre [2] to add
some basic device-tree helpers to retrieve a DMA controller device_node and the
DMA request/channel information.
[1] http://article.gmane.org/gmane.linux.drivers.devicetree/12022
[2] http://article.gmane.org/gmane.linux.ports.arm.omap/73622
Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
Cc: Benoit Cousson <b-cousson at ti.com>
Cc: Stephen Warren <swarren at nvidia.com>
Cc: Grant Likely <grant.likely at secretlab.ca>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Rob Herring <rob.herring at calxeda.com>
Cc: Arnd Bergmann <arnd at arndb.de>
Cc: Vinod Koul <vinod.koul at intel.com>
Cc: Dan Williams <djbw at fb.com>
Jon Hunter (2):
of: Add generic device tree DMA helpers
dmaengine: add helper function to request a slave DMA channel
Documentation/devicetree/bindings/dma/dma.txt | 62 +++++++
drivers/dma/dmaengine.c | 16 ++
drivers/of/Makefile | 2 +-
drivers/of/dma.c | 215 +++++++++++++++++++++++++
include/linux/dmaengine.h | 6 +
include/linux/of_dma.h | 45 ++++++
6 files changed, 345 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/dma/dma.txt
create mode 100644 drivers/of/dma.c
create mode 100644 include/linux/of_dma.h
--
1.7.9.5
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