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authorLars-Peter Clausen <lars@metafoo.de>2015-08-20 17:39:13 +0200
committerVinod Koul <vinod.koul@intel.com>2015-08-23 18:55:10 +0530
commit0e3b67b348b838d519b5d9ff30261f471d6371f2 (patch)
tree4a3cf9d2d5f3fc5920e11918c5b163f4cadb3de5 /MAINTAINERS
parent43bcad2bb485f053661e5cfe306c34178c6651c7 (diff)
downloadlinux-0e3b67b348b838d519b5d9ff30261f471d6371f2.tar.bz2
dmaengine: Add support for the Analog Devices AXI-DMAC DMA controller
Add support for the Analog Devices AXI-DMAC DMA controller. This controller is a soft peripheral that can be instantiated in a FPGA and is often used in Analog Devices' reference designs for FPGA platforms. The peripheral has various configuration options that can be selected at synthesis time and influence the supported features of the instantiated peripheral, those options are represented as device-tree properties to allow the driver to behave accordingly. The peripheral has a zero latency architecture, which means it is possible to switch from one to the next descriptor without any delay. This is archived by having a internal queue which can hold multiple descriptors. The driver supports this, which means it will submit new descriptors directly to the hardware until the queue is full and not wait for a descriptor to complete before the next one is submitted. Interrupts are used for the descriptor queue flow control. Currently the driver supports SG, cyclic and interleaved slave DMA. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'MAINTAINERS')
-rw-r--r--MAINTAINERS6
1 files changed, 6 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 8133cefb6b6e..9a5ef2b3e9dd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -728,6 +728,12 @@ X: drivers/iio/*/adjd*
F: drivers/staging/iio/*/ad*
F: staging/iio/trigger/iio-trig-bfin-timer.c
+ANALOG DEVICES INC DMA DRIVERS
+M: Lars-Peter Clausen <lars@metafoo.de>
+W: http://ez.analog.com/community/linux-device-drivers
+S: Supported
+F: drivers/dma/dma-axi-dmac.c
+
ANDROID DRIVERS
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
M: Arve Hjønnevåg <arve@android.com>