From mboxrd@z Thu Jan 1 00:00:00 1970 From: vinod.koul@intel.com (Vinod Koul) Date: Thu, 20 Aug 2015 11:22:55 +0530 Subject: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device tree binding documentation In-Reply-To: <1438831173-8761-1-git-send-email-punnaia@xilinx.com> References: <1438831173-8761-1-git-send-email-punnaia@xilinx.com> Message-ID: <20150820055255.GZ13546@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Aug 06, 2015 at 08:49:32AM +0530, Punnaiah Choudary Kalluri wrote: > Device-tree binding documentation for Xilinx zynqmp dma engine used in > Zynq UltraScale+ MPSoC. > > Signed-off-by: Punnaiah Choudary Kalluri > --- > Changes in v4: > - None > Changes in v3: > - None > Changes in v2: > - None > --- > .../devicetree/bindings/dma/xilinx/zynqmp_dma.txt | 61 ++++++++++++++++++++ > 1 files changed, 61 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/dma/xilinx/zynqmp_dma.txt > > diff --git a/Documentation/devicetree/bindings/dma/xilinx/zynqmp_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/zynqmp_dma.txt > new file mode 100644 > index 0000000..e4f92b9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/xilinx/zynqmp_dma.txt > @@ -0,0 +1,61 @@ > +Xilinx ZynqMP DMA engine, it does support memory to memory transfers, > +memory to device and device to memory transfers. It also has flow > +control and rate control support for slave/peripheral dma access. > + > +Required properties: > +- compatible: Should be "xlnx,zynqmp-dma-1.0" > +- #dma-cells: Should be <1>, a single cell holding a line request number > +- reg: Memory map for module access > +- interrupt-parent: Interrupt controller the interrupt is routed through > +- interrupts: Should contain DMA channel interrupt channel interrupt or interrupts, former says it is plural -- ~Vinod