On Wed, Mar 11, 2015 at 5:31 AM, Sören Brinkmann <soren.brinkmann@xxxxxxxxxx> wrote: > On Tue, 2015-03-10 at 07:46PM +0530, Punnaiah Choudary Kalluri wrote: >> Device-tree binding documentation for Xilinx ZDMA Engine >> >> Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xxxxxxxxxx> >> --- >> .../devicetree/bindings/dma/xilinx/zdma.txt | 76 ++++++++++++++++++++ >> 1 files changed, 76 insertions(+), 0 deletions(-) >> create mode 100644 Documentation/devicetree/bindings/dma/xilinx/zdma.txt >> >> diff --git a/Documentation/devicetree/bindings/dma/xilinx/zdma.txt b/Documentation/devicetree/bindings/dma/xilinx/zdma.txt >> new file mode 100644 >> index 0000000..399a3bc >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/dma/xilinx/zdma.txt >> @@ -0,0 +1,76 @@ >> +Xilinx ZDMA 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. >> + >> +Xilinx ZynqMP has two instances of general purpose DMA(ZDMA). >> +one is located in FPD(full power domain) and other is located in >> +LPD(low power domain). >> + >> +ZDMA instance located in FPD is referred as FPDMA and instance located >> +in LPD is referred as LPDMA. >> + >> +FPDMA is configured with 8 DMA channels and AXI bus width is 128 byte. >> +LPDMA is configured with 8 DMA channels and AXI bus width is 64 byte. > > All these implementation details are good background information, but > shouldn't be part of the binding. Ok. i will remove then. Thanks. Punnaiah > > Sören > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
