linux-kernel - Re: [PATCH v3 6/6] dt-bindings: fpga: Add bindings for ZynqMP fpga driver

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Date:   Mon, 21 Jan 2019 09:49:28 -0600
From:   Rob Herring <robh@...nel.org>
To:     Nava kishore Manne <nava.manne@...inx.com>
Cc:     mark.rutland@....com, michals@...inx.com, RAJANV@...inx.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, JOLLYS@...inx.com,
        chinnikishore369@...il.com
Subject: Re: [PATCH v3 6/6] dt-bindings: fpga: Add bindings for ZynqMP fpga
 driver

On Mon, Jan 21, 2019 at 11:08:35PM +0530, Nava kishore Manne wrote:
> Add documentation to describe Xilinx ZynqMP fpga driver
> bindings.
> 
> Signed-off-by: Nava kishore Manne <nava.manne@...inx.com>
> ---
> Changes for v3:
> 		-Removed PCAP as a child node to the FW and Created
> 		an independent node since PCAP driver is a consumer
> 		not a provider. 
> 
>  .../bindings/fpga/xlnx,zynqmp-pcap-fpga.txt         | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/fpga/xlnx,zynqmp-pcap-fpga.txt
> 
> diff --git a/Documentation/devicetree/bindings/fpga/xlnx,zynqmp-pcap-fpga.txt b/Documentation/devicetree/bindings/fpga/xlnx,zynqmp-pcap-fpga.txt
> new file mode 100644
> index 000000000000..1f6f58872311
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/fpga/xlnx,zynqmp-pcap-fpga.txt
> @@ -0,0 +1,13 @@
> +Device Tree zynqmp-fpga bindings for the Zynq Ultrascale+ MPSoC controlled
> +using ZynqMP SoC firmware interface
> +For Bitstream configuration on ZynqMp Soc uses processor configuration
> +port(PCAP) to configure the programmable logic(PL) through PS by using
> +FW interface.
> +
> +Required properties:
> +- compatible: should contain "xlnx,zynqmp-pcap-fpga"
> +
> +Example:
> +	zynqmp_pcap: pcap {
> +		compatible = "xlnx,zynqmp-pcap-fpga";
> +	};

There's no need for a DT node. Just make the firware driver create a 
platform device for pcap.

Rob