From: Nava kishore Manne <[email protected]>

This patch add the bindings document of zynqmp silicon id driver.

Signed-off-by: Nava kishore Manne <[email protected]>
---
 .../devicetree/bindings/nvmem/zynqmp_nvmem.txt     | 32 ++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvmem/zynqmp_nvmem.txt

diff --git a/Documentation/devicetree/bindings/nvmem/zynqmp_nvmem.txt 
b/Documentation/devicetree/bindings/nvmem/zynqmp_nvmem.txt
new file mode 100644
index 000000000000..94332f160a92
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/zynqmp_nvmem.txt
@@ -0,0 +1,32 @@
+=  Zynq UltraScale+ MPSoC nvmem firmware driver binding =
+
+Required properties:
+- compatible: should be "xlnx,zynqmp-nvmem-fw"
+
+= Data cells =
+Are child nodes of silicon id, bindings of which as described in
+bindings/nvmem/nvmem.txt
+
+Example:
+
+       nvmem_firmware {
+               compatible = "xlnx,zynqmp-nvmem-fw";
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+                /* Data cells */
+               soc_revision: soc_revision@0 {
+                       reg = <0x0 0x4>;
+               };
+       };
+
+= Data consumers =
+Are device nodes which consume nvmem data cells.
+
+For example:
+
+       pcap {
+               ...
+               nvmem-cells = <&soc_revision>;
+               nvmem-cell-names = "soc_revision";
+       };
-- 
2.16.1

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