dt-bindings: net: ks8995: add bindings documentation for ks8995

Signed-off-by: Helmut Buchsbaum <helmut.buchsbaum@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/Documentation/devicetree/bindings/net/micrel-ks8995.txt b/Documentation/devicetree/bindings/net/micrel-ks8995.txt
new file mode 100644 (file)
index 0000000..281bc24
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/micrel-ks8995.txt
@@ -0,0 +1,20 @@
+Micrel KS8995 SPI controlled Ethernet Switch families
+
+Required properties (according to spi-bus.txt):
+- compatible: either "micrel,ks8995", "micrel,ksz8864" or "micrel,ksz8795"
+
+Optional properties:
+- reset-gpios : phandle of gpio that will be used to reset chip during probe
+
+Example:
+
+spi-master {
+       ...
+       switch@0 {
+               compatible = "micrel,ksz8795";
+
+               reg = <0>;
+               spi-max-frequency = <50000000>;
+               reset-gpios = <&gpio0 46 GPIO_ACTIVE_LOW>;
+       };
+};