arm: dt: crypto: Added binding docs for Xilinx ZynqMP RSA H/W accelerator

New bindings document for ZynqMP RSA H/W accelerator.

Signed-off-by: Nava kishore Manne <navam@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/Documentation/devicetree/bindings/crypto/zynqmp-rsa.txt b/Documentation/devicetree/bindings/crypto/zynqmp-rsa.txt
new file mode 100644 (file)
index 0000000..6b4c0e0
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/zynqmp-rsa.txt
@@ -0,0 +1,12 @@
+Xilinx ZynqMP RSA hw acceleration support
+
+The zynqmp PS-RSA hw accelerator is used to encrypt/decrypt
+the given user data.
+
+Required properties:
+- compatible:  should contain "xlnx,zynqmp-rsa"
+
+Example:
+       xlnx_rsa: zynqmp_rsa {
+               compatible = "xlnx,zynqmp-rsa";
+       };