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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-07-27 18:04:02 +0300
committerLee Jones <lee.jones@linaro.org>2015-07-28 11:56:17 +0300
commit667dfed98615ae1fc4cc05b0763078435598c0f5 (patch)
tree2a9d6615b885a6a6239c803192db17d5f3dac8bb /drivers/mfd/intel-lpss-acpi.c
parentb9a8a271c38fcb1664fd6034fb9326cc9a0dec94 (diff)
downloadlinux-667dfed98615ae1fc4cc05b0763078435598c0f5.tar.xz
dmaengine: add a driver for Intel integrated DMA 64-bit
Intel integrated DMA (iDMA) 64-bit is a specific IP that is used as a part of LPSS devices such as HSUART or SPI. The iDMA IP is attached for private usage on each host controller independently. While it has similarities with Synopsys DesignWare DMA, the following distinctions doesn't allow to use the existing driver: - 64-bit mode with corresponding changes in Hardware Linked List data structure - many slight differences in the channel registers Moreover this driver is based on the DMA virtual channels framework that helps to make the driver cleaner and easy to understand. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/intel-lpss-acpi.c')
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