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Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device tree binding documentation

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  Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device  tree binding documentation Vinod Koul <vinod.koul@intel.com> - 2015-08-20 08:00 +0200
    Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device  tree binding documentation punnaiah choudary kalluri <punnaia@xilinx.com> - 2015-08-20 08:20 +0200
      Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device  tree binding documentation Vinod Koul <vinod.koul@intel.com> - 2015-08-20 08:20 +0200

#1210157 — Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device tree binding documentation

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 <punnaia@xilinx.com>
> ---
> 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

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#1210165

On Thu, Aug 20, 2015 at 11:22 AM, Vinod Koul <vinod.koul@intel.com> wrote:
> 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 <punnaia@xilinx.com>
>> ---
>> 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

ZynqMP DMA has single interrupt for each channel So, that is the reason
i have explicitly mentioned it as interrupt ( not interrupts).

Please let me know if you still want it to be plural.

Regards,
Punnaiah
>
> --
> ~Vinod
>
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#1210168

On Thu, Aug 20, 2015 at 11:41:33AM +0530, punnaiah choudary kalluri wrote:
> >> +- interrupts: Should contain DMA channel interrupt
> > channel interrupt or interrupts, former says it is plural
> 
> ZynqMP DMA has single interrupt for each channel So, that is the reason
> i have explicitly mentioned it as interrupt ( not interrupts).
> 
> Please let me know if you still want it to be plural.

The example had multiple values so plural sounds right

-- 
~Vinod

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