| Message ID | 1461305630-4826-3-git-send-email-appanad@xilinx.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Headers | show |
On Fri, Apr 22, 2016 at 11:43:49AM +0530, Kedareswara rao Appana wrote: > This patch updates the binding doc with clock description > for AXI DMA's. > > Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com> > Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com> > --- > Changes for v4: > ---> None. > Changes for v3: > ---> Added clock support for all the AXI DMA's. > Changes for v2: > --> Listed down all the clocks supported by the h/w > as suggested by the Datta. > --> Used IP clock names instead of shortcut clock name > > .../devicetree/bindings/dma/xilinx/xilinx_vdma.txt | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) Acked-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt index fcc2b65..a1f2683 100644 --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt @@ -21,6 +21,18 @@ Required properties: - dma-channel child node: Should have at least one channel and can have up to two channels per device. This node specifies the properties of each DMA channel (see child node properties below). +- clocks: Input clock specifier. Refer to common clock bindings. +- clock-names: List of input clocks + For VDMA: + Required elements: "s_axi_lite_aclk" + Optional elements: "m_axi_mm2s_aclk" "m_axi_s2mm_aclk", + "m_axis_mm2s_aclk", "s_axis_s2mm_aclk" + For CDMA: + Required elements: "s_axi_lite_aclk", "m_axi_aclk" + FOR AXIDMA: + Required elements: "s_axi_lite_aclk" + Optional elements: "m_axi_mm2s_aclk", "m_axi_s2mm_aclk", + "m_axi_sg_aclk" Required properties for VDMA: - xlnx,num-fstores: Should be the number of framebuffers as configured in h/w. @@ -60,6 +72,9 @@ axi_vdma_0: axivdma@40030000 { xlnx,num-fstores = <0x8>; xlnx,flush-fsync = <0x1>; xlnx,addrwidth = <0x20>; + clocks = <&clk 0>, <&clk 1>, <&clk 2>, <&clk 3>, <&clk 4>; + clock-names = "s_axi_lite_aclk", "m_axi_mm2s_aclk", "m_axi_s2mm_aclk", + "m_axis_mm2s_aclk", "s_axis_s2mm_aclk"; dma-channel@40030000 { compatible = "xlnx,axi-vdma-mm2s-channel"; interrupts = < 0 54 4 >;