Messages in this thread |  | | Date | Wed, 16 Aug 2017 17:00:46 +0100 | From | Mark Rutland <> | Subject | 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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