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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-07-17 04:33:33 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-07-17 11:37:59 +0530 |
| commit | ef9303fdf46f770e8534ab6f72bad946e70ddfc3 (patch) | |
| tree | 02e0f216d79180e91783d5c085cd59a61ca95b25 /include/dt-bindings/dma | |
| parent | b3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff) | |
| download | linux-ef9303fdf46f770e8534ab6f72bad946e70ddfc3.tar.bz2 | |
dt: bindings: dma: xilinx: dpdma: DT bindings for Xilinx DPDMA
The ZynqMP includes the DisplayPort subsystem with its own DMA engine
called DPDMA. The DPDMA IP comes with 6 individual channels
(4 for display, 2 for audio). This documentation describes DT bindings
of DPDMA.
Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200717013337.24122-2-laurent.pinchart@ideasonboard.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include/dt-bindings/dma')
| -rw-r--r-- | include/dt-bindings/dma/xlnx-zynqmp-dpdma.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/dt-bindings/dma/xlnx-zynqmp-dpdma.h b/include/dt-bindings/dma/xlnx-zynqmp-dpdma.h new file mode 100644 index 000000000000..3719cda5679d --- /dev/null +++ b/include/dt-bindings/dma/xlnx-zynqmp-dpdma.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Copyright 2019 Laurent Pinchart <laurent.pinchart@ideasonboard.com> + */ + +#ifndef __DT_BINDINGS_DMA_XLNX_ZYNQMP_DPDMA_H__ +#define __DT_BINDINGS_DMA_XLNX_ZYNQMP_DPDMA_H__ + +#define ZYNQMP_DPDMA_VIDEO0 0 +#define ZYNQMP_DPDMA_VIDEO1 1 +#define ZYNQMP_DPDMA_VIDEO2 2 +#define ZYNQMP_DPDMA_GRAPHICS 3 +#define ZYNQMP_DPDMA_AUDIO0 4 +#define ZYNQMP_DPDMA_AUDIO1 5 + +#endif /* __DT_BINDINGS_DMA_XLNX_ZYNQMP_DPDMA_H__ */ |