On Wed, Jan 24, 2018 at 03:21:11PM -0800, Jolly Shah wrote:
> Add documentation to describe Xilinx ZynqMP firmware driver
> bindings. Firmware driver provides an interface to firmware
> APIs. Interface APIs can be used by any driver to communicate
> to PMUFW (Platform Management Unit).
>
> Signed-off-by: Jolly Shah <jollys@xxxxxxxxxx>
> Signed-off-by: Rajan Vaja <rajanv@xxxxxxxxxx>
> ---
> .../bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
>
> diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
> new file mode 100644
> index 0000000..a7aaf56
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
> @@ -0,0 +1,16 @@
> +Xilinx Zynq MPSoC Firmware Device Tree Bindings
> +
> +The zynqmp-firmware node describes the interface to platform firmware.
Please define this a is child of /firmware.
Also, some brief summary of what functions the firmware provides would
be nice.
> +
> +Required properties:
> + - compatible: Must contain: "xlnx,zynqmp-firmware"
> + - method: The method of calling the PM-API firmware layer.
> + Permitted values are:
> + - "smc" : To be used in configurations without a hypervisor
> + - "hvc" : To be used when hypervisor is present
Do you really need to support hvc?
> +
> +Examples:
> + zynqmp_firmware: zynqmp-firmware {
> + compatible = "xlnx,zynqmp-firmware";
> + method = "smc";
> + };
> --
> 2.7.4
>
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