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Re: [PATCHv2 1/3] dt: xilinx: zynqmp: Add bindings for PM firmware

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On Wed, Aug 16, 2017 at 02:24:56PM +0200, Michal Simek wrote:
> From: Soren Brinkmann <soren.brinkmann@xilinx.com>
> 
> Document the DT bindings for the Zynq UltraScale+ PM Firmware.
> 
> Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
> 
> Changes in v2:
> - Move to bindings/firmware and also add it to firmware node
>   Reported-by Rob
> 
>  .../bindings/firmware/xlnx,zynqmp-pm.txt           | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/firmware/xlnx,zynqmp-pm.txt
> 
> diff --git a/Documentation/devicetree/bindings/firmware/xlnx,zynqmp-pm.txt b/Documentation/devicetree/bindings/firmware/xlnx,zynqmp-pm.txt
> new file mode 100644
> index 000000000000..7de0c82758b3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/firmware/xlnx,zynqmp-pm.txt
> @@ -0,0 +1,22 @@
> +Xilinx Zynq MPSoC Firmware Device Tree Bindings
> +
> +The zynqmp-pm node describes the interface to platform firmware.

Is there any documentation for this? I appreciate that the answer
might be "no".

> +Required properties:
> + - compatible:	Must contain:  "xlnx,zynqmp-pm"
> + - 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
> + - interrupts:	Interrupt specifier

For what, exactly?

Is this an interrupt for FW to signal the OS somehow?

If so, is it an SGI?

Thanks,
Mark.

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[PATCHv2 0/3] arm64 xilinx zynqmp firmware interface Michal Simek <michal.simek@xilinx.com> - 2017-08-16 14:30 +0200
  [PATCHv2 2/3] arm64: zynqmp: dt: Add PM firmware node Michal Simek <michal.simek@xilinx.com> - 2017-08-16 14:30 +0200
  [PATCHv2 1/3] dt: xilinx: zynqmp: Add bindings for PM firmware Michal Simek <michal.simek@xilinx.com> - 2017-08-16 14:30 +0200
    Re: [PATCHv2 1/3] dt: xilinx: zynqmp: Add bindings for PM firmware Sudeep Holla <sudeep.holla@arm.com> - 2017-08-16 17:50 +0200
    Re: [PATCHv2 1/3] dt: xilinx: zynqmp: Add bindings for PM firmware Mark Rutland <mark.rutland@arm.com> - 2017-08-16 18:10 +0200
  Re: [PATCHv2 0/3] arm64 xilinx zynqmp firmware interface Marc Zyngier <marc.zyngier@arm.com> - 2017-08-16 17:50 +0200
    Re: [PATCHv2 0/3] arm64 xilinx zynqmp firmware interface Marc Zyngier <marc.zyngier@arm.com> - 2017-08-17 10:00 +0200
      Re: [PATCHv2 0/3] arm64 xilinx zynqmp firmware interface Sudeep Holla <sudeep.holla@arm.com> - 2017-08-17 11:20 +0200
        Re: [PATCHv2 0/3] arm64 xilinx zynqmp firmware interface Sudeep Holla <sudeep.holla@arm.com> - 2017-08-17 13:20 +0200

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