dt-bindings: firmware: Add bindings for Versal firmware

ZynqMP firmware driver can be used for versal also.
Add versal compatible string to zynqmp firmware driver
doc.

Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
index a4fe136be2bae888a5ee6089fdd48ce19e574712..18c3aea90df2225c4fee4db116fa08a80f5b592c 100644 (file)
--- a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
+++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
@@ -11,7 +11,9 @@ power management service, FPGA service and other platform management
 services.
 
 Required properties:
- - compatible: Must contain:   "xlnx,zynqmp-firmware"
+ - compatible: Must contain any of below:
+               "xlnx,zynqmp-firmware" for Zynq Ultrascale+ MPSoC
+               "xlnx,versal-firmware" for Versal
  - method:     The method of calling the PM-API firmware layer.
                Permitted values are:
                  - "smc" : SMC #0, following the SMCCC
@@ -21,6 +23,8 @@ Required properties:
 Example
 -------
 
+Zynq Ultrascale+ MPSoC
+----------------------
 firmware {
        zynqmp_firmware: zynqmp-firmware {
                compatible = "xlnx,zynqmp-firmware";
@@ -28,3 +32,13 @@ firmware {
                ...
        };
 };
+
+Versal
+------
+firmware {
+       versal_firmware: versal-firmware {
+               compatible = "xlnx,versal-firmware";
+               method = "smc";
+               ...
+       };
+};