[PATCH v4] dt-bindings: net: dsa: ksz9477: add sample of switch bindings managed in i2c mode

[Sergio Paracuellos]

Add device-tree binding example of the ksz9477 switch managed in i2c mode.

Cc: devicet...@vger.kernel.org
Signed-off-by: Sergio Paracuellos <sergio.paracuel...@gmail.com>
---
Changes v4:
    - Use one tab formatting properly the binding sample.

Changes v3:
    - No changes. Just resent patches together.

Changes v2:
    - Use generic name for label of the switch and make sure reg and @X
      have the same value.
 .../devicetree/bindings/net/dsa/ksz.txt       | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/dsa/ksz.txt 
b/Documentation/devicetree/bindings/net/dsa/ksz.txt
index 0f407fb371ce..2f276aa42f0b 100644
--- a/Documentation/devicetree/bindings/net/dsa/ksz.txt
+++ b/Documentation/devicetree/bindings/net/dsa/ksz.txt
@@ -74,3 +74,54 @@ Ethernet switch connected via SPI to the host, CPU port 
wired to eth0:
                                                              };
                                              };
                              };
+
+Ethernet switch connected via I2C to the host, CPU port wired to eth0:
+
+       eth0: ethernet@10001000 {
+               fixed-link {
+                       speed = <1000>;
+                       full-duplex;
+               };
+       };
+
+       i2c0: i2c@f8008000 {
+               switch: ksz9897@5f {
+                       compatible = "microchip,ksz9897";
+                       reg = <5f>;
+
+                       ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               port@0 {
+                                       reg = <0>;
+                                       label = "lan1";
+                               };
+                               port@1 {
+                                       reg = <1>;
+                                       label = "lan2";
+                               };
+                               port@2 {
+                                       reg = <2>;
+                                       label = "lan3";
+                               };
+                               port@3 {
+                                       reg = <3>;
+                                       label = "lan4";
+                               };
+                               port@4 {
+                                       reg = <4>;
+                                       label = "lan5";
+                               };
+                               port@6 {
+                                       reg = <6>;
+                                       label = "cpu";
+                                       ethernet = <&eth0>;
+                                       fixed-link {
+                                               speed = <1000>;
+                                               full-duplex;
+                                       };
+                               };
+                       };
+               };
+       };
-- 
2.19.1

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