[PATCH 1/1] dt-bindings: net: dsa: Convert lan9303.txt to yaml format

[Frank Li <Frank.Li@nxp.com>]

Convert lan9303.txt to yaml format to fix below CHECK_DTBS warnings:
arch/arm/boot/dts/nxp/imx/imx53-kp-hsc.dtb: /soc/bus@50000000/i2c@53fec000/switch@a: failed to match any schema with compatible: ['smsc,lan9303-i2c']

Addtional changes:
  - rename switch-phy to switch in example.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 .../devicetree/bindings/net/dsa/lan9303.txt   | 100 --------------
 .../bindings/net/dsa/smsc,lan9303.yaml        | 123 ++++++++++++++++++
 2 files changed, 123 insertions(+), 100 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/net/dsa/lan9303.txt
 create mode 100644 Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml

diff --git a/Documentation/devicetree/bindings/net/dsa/lan9303.txt b/Documentation/devicetree/bindings/net/dsa/lan9303.txt
deleted file mode 100644
index 46a732087f5ca..0000000000000
--- a/Documentation/devicetree/bindings/net/dsa/lan9303.txt
+++ /dev/null
@@ -1,100 +0,0 @@
-SMSC/MicroChip LAN9303 three port ethernet switch
--------------------------------------------------
-
-Required properties:
-
-- compatible: should be
-  - "smsc,lan9303-i2c" for I2C managed mode
-    or
-  - "smsc,lan9303-mdio" for mdio managed mode
-
-Optional properties:
-
-- reset-gpios: GPIO to be used to reset the whole device
-- reset-duration: reset duration in milliseconds, defaults to 200 ms
-
-Subnodes:
-
-The integrated switch subnode should be specified according to the binding
-described in dsa/dsa.txt. The CPU port of this switch is always port 0.
-
-Note: always use 'reg = <0/1/2>;' for the three DSA ports, even if the device is
-configured to use 1/2/3 instead. This hardware configuration will be
-auto-detected and mapped accordingly.
-
-Example:
-
-I2C managed mode:
-
-	master: masterdevice@X {
-
-		fixed-link { /* RMII fixed link to LAN9303 */
-			speed = <100>;
-			full-duplex;
-		};
-	};
-
-	switch: switch@a {
-		compatible = "smsc,lan9303-i2c";
-		reg = <0xa>;
-		reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
-		reset-duration = <200>;
-
-		ports {
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			port@0 { /* RMII fixed link to master */
-				reg = <0>;
-				ethernet = <&master>;
-			};
-
-			port@1 { /* external port 1 */
-				reg = <1>;
-				label = "lan1";
-			};
-
-			port@2 { /* external port 2 */
-				reg = <2>;
-				label = "lan2";
-			};
-		};
-	};
-
-MDIO managed mode:
-
-	master: masterdevice@X {
-		phy-handle = <&switch>;
-
-		mdio {
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			switch: switch-phy@0 {
-				compatible = "smsc,lan9303-mdio";
-				reg = <0>;
-				reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
-				reset-duration = <100>;
-
-				ports {
-					#address-cells = <1>;
-					#size-cells = <0>;
-
-					port@0 {
-						reg = <0>;
-						ethernet = <&master>;
-					};
-
-					port@1 { /* external port 1 */
-						reg = <1>;
-						label = "lan1";
-					};
-
-					port@2 { /* external port 2 */
-						reg = <2>;
-						label = "lan2";
-					};
-				};
-			};
-		};
-	};
diff --git a/Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml b/Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml
new file mode 100644
index 0000000000000..42f8473538a07
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/dsa/smsc,lan9303.yaml
@@ -0,0 +1,123 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/dsa/smsc,lan9303.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SMSC/MicroChip LAN9303 three port ethernet switch
+
+maintainers:
+  - Frank Li <Frank.Li@nxp.com>
+
+description:
+  The LAN9303 is a three port ethernet switch with integrated PHYs for the
+  two external ports. The third port is an RMII/MII interface to a host
+  processor. The device can be managed via I2C or MDIO.
+
+  Note - always use 'reg = <0/1/2>;' for the three DSA ports, even if the
+  device is configured to use 1/2/3 instead. This hardware configuration
+  will be auto-detected and mapped accordingly.
+
+properties:
+  compatible:
+    enum:
+      - smsc,lan9303-i2c
+      - smsc,lan9303-mdio
+
+  reg:
+    maxItems: 1
+
+  reset-gpios:
+    description:
+      GPIO to be used to reset the whole device
+    maxItems: 1
+
+  reset-duration:
+    description:
+      Reset duration in milliseconds
+    default: 200
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+allOf:
+  - $ref: dsa.yaml#
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    /* I2C managed mode */
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        switch@a {
+            compatible = "smsc,lan9303-i2c";
+            reg = <0xa>;
+            reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
+            reset-duration = <200>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    label = "cpu";
+                    ethernet = <&master>;
+                };
+
+                port@1 {
+                    reg = <1>;
+                    label = "lan1";
+                };
+
+                port@2 {
+                    reg = <2>;
+                    label = "lan2";
+                };
+            };
+        };
+    };
+
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    /* MDIO managed mode */
+    mdio {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        switch@0 {
+            compatible = "smsc,lan9303-mdio";
+            reg = <0>;
+            reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
+            reset-duration = <100>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    label = "cpu";
+                    ethernet = <&master>;
+                };
+
+                port@1 {
+                    reg = <1>;
+                    label = "lan1";
+                };
+
+                port@2 {
+                    reg = <2>;
+                    label = "lan2";
+                };
+            };
+        };
+    };
-- 
2.43.0