Hi Rob, +Edgar, On 10.8.2017 21:10, Rob Herring wrote: > On Fri, Aug 04, 2017 at 03:45:30PM +0200, Michal Simek wrote: >> From: Soren Brinkmann <[email protected]> >> >> Document the DT bindings for the Zynq UltraScale+ PM Firmware. >> >> Signed-off-by: Soren Brinkmann <[email protected]> >> Signed-off-by: Michal Simek <[email protected]> >> --- >> >> .../devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt | 19 >> +++++++++++++++++++ > > bindings/firmware/
will move. > >> 1 file changed, 19 insertions(+) >> create mode 100644 >> Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt >> >> diff --git a/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt >> b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt >> new file mode 100644 >> index 000000000000..222a18ce07fc >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-pm.txt >> @@ -0,0 +1,19 @@ >> +Xilinx Zynq MPSoC Firmware Device Tree Bindings >> + >> +The zynqmp-pm node describes the interface to platform firmware. > > Please define this should be under /firmware node. > >> +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 > > Do you really use both? > SMCs definitely yes. Interface was designed in that way and I don't know if people are using it or not. Not sure if Xen is blocking SMCs. I know we have discussed it but not sure if this is enabled by default or only for certain configurations. Also not sure if xen contains handler for hvc. Edgar: Do you know? Thanks, Michal
