linux-kernel - Re: [PATCH v4 6/6] dt-bindings: fpga: Add bindings for ZynqMP fpga driver

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Date:   Mon, 25 Mar 2019 14:18:49 -0500
From:   Rob Herring <robh@...nel.org>
To:     Nava kishore Manne <nava.manne@...inx.com>
Cc:     atull@...nel.org, mdf@...nel.org, mark.rutland@....com,
        michal.simek@...inx.com, rajanv@...inx.com, jollys@...inx.com,
        linux-fpga@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        chinnikishore369@...il.com
Subject: Re: [PATCH v4 6/6] dt-bindings: fpga: Add bindings for ZynqMP fpga
 driver

On Thu, Mar 14, 2019 at 07:31:22PM +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 v4:
> 		-Modified binding description as suggested by Moritz Fischer.
> 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.

Huh?

It was the fpga-regions that I suggested should perhaps be at the 
top-level. As long as pcap is a function exposed by the firmware it 
should be a child of it.

> 
>  .../bindings/fpga/xlnx,zynqmp-pcap-fpga.txt           | 11 +++++++++++
>  1 file changed, 11 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..6d7f10775d9b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/fpga/xlnx,zynqmp-pcap-fpga.txt
> @@ -0,0 +1,11 @@
> +Devicetree bindings for Zynq Ultrascale MPSoC FPGA Manager.
> +The ZynqMP SoC uses the PCAP (Processor configuration Port) to configure the
> +Programmable Logic (PL). The configuration uses  the firmware interface.
> +
> +Required properties:
> +- compatible: should contain "xlnx,zynqmp-pcap-fpga"
> +
> +Example:
> +	zynqmp_pcap: pcap {
> +		compatible = "xlnx,zynqmp-pcap-fpga";
> +	};
> -- 
> 2.18.0
>