[RFC 3/3] dt-bindings: net: dsa: document additional Microchip KSZ8863 family switches

[Michael Grzeschik]

Document additional Microchip KSZ8863 family switches.

Show how KSZ8863 switch should be configured as the host port is port 3.

Cc: devicet...@vger.kernel.org
Signed-off-by: Michael Grzeschik <m.grzesc...@pengutronix.de>
---
 .../devicetree/bindings/net/dsa/ksz.txt       | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/dsa/ksz.txt 
b/Documentation/devicetree/bindings/net/dsa/ksz.txt
index e7db7268fd0fd..4ac576e1cc34e 100644
--- a/Documentation/devicetree/bindings/net/dsa/ksz.txt
+++ b/Documentation/devicetree/bindings/net/dsa/ksz.txt
@@ -5,6 +5,8 @@ Required properties:
 
 - compatible: For external switch chips, compatible string must be exactly one
   of the following:
+  - "microchip,ksz8863"
+  - "microchip,ksz8873"
   - "microchip,ksz9477"
   - "microchip,ksz9897"
   - "microchip,ksz9896"
@@ -31,6 +33,48 @@ Ethernet switch connected via SPI to the host, CPU port 
wired to eth0:
                };
        };
 
+       mdio0: mdio-gpio {
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_mdio_1>;
+               compatible = "virtual,mdio-gpio";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               gpios = <&gpio1 31 0 &gpio1 22 0>;
+
+               ksz8863@3 {
+                       compatible = "microchip,ksz8863";
+                       interrupt-parrent = <&gpio3>;
+                       interrupt = <30 IRQ_TYPE_LEVEL_HIGH>;
+                       reg = <0>;
+
+                       ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               ports@0 {
+                                       reg = <0>;
+                                       label = "lan1";
+                               };
+
+                               ports@1 {
+                                       reg = <1>;
+                                       label = "lan2";
+                               };
+
+                               ports@2 {
+                                       reg = <2>;
+                                       label = "cpu";
+                                       ethernet = <&eth0>;
+
+                                       fixed-link {
+                                               speed = <100>;
+                                               full-duplex;
+                                       };
+                               };
+                       };
+               };
+       };
+
        spi1: spi@f8008000 {
                pinctrl-0 = <&pinctrl_spi_ksz>;
                cs-gpios = <&pioC 25 0>;
-- 
2.20.1