net: ethoc: document OF bindings

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/Documentation/devicetree/bindings/net/opencores-ethoc.txt b/Documentation/devicetree/bindings/net/opencores-ethoc.txt
new file mode 100644 (file)
index 0000000..2dc127c
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+++ b/Documentation/devicetree/bindings/net/opencores-ethoc.txt
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+* OpenCores MAC 10/100 Mbps
+
+Required properties:
+- compatible: Should be "opencores,ethoc".
+- reg: two memory regions (address and length),
+  first region is for the device registers and descriptor rings,
+  second is for the device packet memory.
+- interrupts: interrupt for the device.
+
+Optional properties:
+- clocks: phandle to refer to the clk used as per
+  Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+Examples:
+
+       enet0: ethoc@fd030000 {
+               compatible = "opencores,ethoc";
+               reg = <0xfd030000 0x4000 0xfd800000 0x4000>;
+               interrupts = <1>;
+               local-mac-address = [00 50 c2 13 6f 00];
+               clocks = <&osc>;
+        };