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

[Sudeep Holla <sudeep.holla-5wv7dgnIgG8@public.gmane.org>]

On 16/08/17 13:24, Michal Simek wrote:
> From: Soren Brinkmann <soren.brinkmann-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
> 
> Document the DT bindings for the Zynq UltraScale+ PM Firmware.
> 
> Signed-off-by: Soren Brinkmann <soren.brinkmann-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
> Signed-off-by: Michal Simek <michal.simek-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
> ---
> 
> 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.
> +
> +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

What exactly is this interrupt ? I see it's not SGI, so if it's SPI,
where does this originate from ? How is that dealt ?

-- 
Regards,
Sudeep
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