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| author | Hyun Kwon <hyun.kwon@xilinx.com> | 2020-07-17 04:33:35 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-07-17 11:37:59 +0530 |
| commit | 7cbb0c63de3fc218fd06ecfedb477772a4d12f76 (patch) | |
| tree | 3c7401155c0bb244a7185fe42f4ce61c62b246a2 /drivers/dma/Kconfig | |
| parent | 9c8ebd8b82da89c2484594b61d66288d24983348 (diff) | |
| download | linux-7cbb0c63de3fc218fd06ecfedb477772a4d12f76.tar.bz2 | |
dmaengine: xilinx: dpdma: Add the Xilinx DisplayPort DMA engine driver
The ZynqMP DisplayPort subsystem includes a DMA engine called DPDMA with
6 DMa channels (4 for display and 2 for audio). This driver exposes the
DPDMA through the dmaengine API, to be used by audio (ALSA) and display
(DRM) drivers for the DisplayPort subsystem.
Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Tejas Upadhyay <tejasu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20200717013337.24122-4-laurent.pinchart@ideasonboard.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/Kconfig')
| -rw-r--r-- | drivers/dma/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index de41d7928bff..668e9636c547 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -707,6 +707,16 @@ config XILINX_ZYNQMP_DMA help Enable support for Xilinx ZynqMP DMA controller. +config XILINX_ZYNQMP_DPDMA + tristate "Xilinx DPDMA Engine" + select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS + help + Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option + if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The + driver provides the dmaengine required by the DisplayPort subsystem + display driver. + config ZX_DMA tristate "ZTE ZX DMA support" depends on ARCH_ZX || COMPILE_TEST |