dt-bindings: xilinx: Add description for ZynqMP

Record xlnx,zynqmp compatible string.

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

diff --git a/Documentation/devicetree/bindings/arm/xilinx.txt b/Documentation/devicetree/bindings/arm/xilinx.txt
index 1f799535788859516c04adb9dea821f55a0aaa83..549e70a022cb78a70c6ccf4c06eac70e90380a62 100644 (file)
--- a/Documentation/devicetree/bindings/arm/xilinx.txt
+++ b/Documentation/devicetree/bindings/arm/xilinx.txt
@@ -5,3 +5,13 @@ shall have the following properties.
 
 Required root node properties:
     - compatible = "xlnx,zynq-7000";
+
+---------------------------------------------------------------
+
+Xilinx Zynq UltraScale+ MPSoC Platforms Device Tree Bindings
+
+Boards with ZynqMP SOC based on an ARM Cortex A53 processor
+shall have the following properties.
+
+Required root node properties:
+    - compatible = "xlnx,zynqmp";