Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1358171

[PATCH 7/7] dmaengine: xilinx_vdma: Add Support for Xilinx AXI Central Direct Memory Access Engine

Show all headers | View raw

This patch updates the device-tree binding doc for
adding support for AXI CDMA.

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
---
 .../devicetree/bindings/dma/xilinx/xilinx_vdma.txt        | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
index 3d134a5..f288175 100644
--- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
+++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
@@ -8,8 +8,12 @@ target devices. It can be configured to have one channel or two channels.
 If configured as two channels, one is to transmit to the device and another
 is to receive from the device.
 
+Xilinx AXI CDMA engine, it does transfers between memory-mapped source
+address and a memory-mapped destination address.
+
 Required properties:
 - compatible: Should be "xlnx,axi-vdma-1.00.a" or "xlnx,axi-dma-1.00.a"
+	      or "xlnx,axi-cdma-1.00.a"
 - #dma-cells: Should be <1>, see "dmas" property below
 - reg: Should contain VDMA registers location and length.
 - xlnx,num-fstores: Should be the number of framebuffers as configured in h/w.
@@ -76,6 +80,17 @@ axi_dma_0: axidma@40400000 {
 	} ;
 } ;
 
+axi_cdma_0: axicdma@7e200000 {
+       compatible = "xlnx,axi-cdma-1.00.a";
+       #dma-cells = <1>;
+       reg = < 0x7e200000 0x10000 >;
+       dma-channel@7e200000 {
+               compatible = "xlnx,axi-vdma-mm2s-channel";
+               interrupts = < 0 55 4 >;
+               xlnx,datawidth = <0x40>;
+       } ;
+} ;
+
 * DMA client
 
 Required properties:
-- 
2.1.2

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH 0/7] dmaengine: xilinx_vdma: AXI DMA's enhancments Kedareswara rao Appana <appana.durga.rao@xilinx.com> - 2016-03-15 18:30 +0100
  [PATCH 5/7] dmaengine: xilinx_vdma: Remove unnecessary axi dma device-tree binding doc Kedareswara rao Appana <appana.durga.rao@xilinx.com> - 2016-03-15 18:30 +0100
    Re: [PATCH 5/7] dmaengine: xilinx_vdma: Remove unnecessary axi dma  device-tree binding doc Moritz Fischer <moritz.fischer@ettus.com> - 2016-03-16 02:40 +0100
      RE: [PATCH 5/7] dmaengine: xilinx_vdma: Remove unnecessary axi dma  device-tree binding doc Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com> - 2016-03-16 07:10 +0100
  [PATCH 7/7] dmaengine: xilinx_vdma: Add Support for Xilinx AXI Central Direct Memory Access Engine Kedareswara rao Appana <appana.durga.rao@xilinx.com> - 2016-03-15 18:30 +0100
  [PATCH 2/7] dmaengine: xilinx_vdma: Add quirks support to differentiate differnet IP cores Kedareswara rao Appana <appana.durga.rao@xilinx.com> - 2016-03-15 18:30 +0100
    Re: [PATCH 2/7] dmaengine: xilinx_vdma: Add quirks support to  differentiate differnet IP cores Vinod Koul <vinod.koul@intel.com> - 2016-03-16 04:10 +0100
      RE: [PATCH 2/7] dmaengine: xilinx_vdma: Add quirks support to  differentiate differnet IP cores Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com> - 2016-03-16 07:20 +0100
  Re: [PATCH 0/7] dmaengine: xilinx_vdma: AXI DMA's enhancments Moritz Fischer <moritz.fischer@ettus.com> - 2016-03-16 02:30 +0100
    Re: [PATCH 0/7] dmaengine: xilinx_vdma: AXI DMA's enhancments Vinod Koul <vinod.koul@intel.com> - 2016-03-16 04:10 +0100
      RE: [PATCH 0/7] dmaengine: xilinx_vdma: AXI DMA's enhancments Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com> - 2016-03-16 07:20 +0100
    RE: [PATCH 0/7] dmaengine: xilinx_vdma: AXI DMA's enhancments Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com> - 2016-03-16 07:10 +0100

csiph-web