dt-bindings: net: Convert SYSTEMPORT to YAML

Convert the Broadcom SYSTEMPORT Ethernet controller Device Tree binding
to YAML.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20211208202801.3706929-3-f.fainelli@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/net/brcm,systemport.yaml

@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/brcm,systemport.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM7xxx Ethernet Systemport Controller (SYSTEMPORT)
+
+maintainers:
+  - Florian Fainelli <f.fainelli@gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - brcm,systemport-v1.00
+      - brcm,systemportlite-v1.00
+      - brcm,systemport
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 2
+    items:
+      - description: interrupt line for RX queues
+      - description: interrupt line for TX queues
+      - description: interrupt line for Wake-on-LAN
+
+  clocks:
+    items:
+      - description: main clock
+      - description: Wake-on-LAN clock
+
+  clock-names:
+    items:
+      - const: sw_sysport
+      - const: sw_sysportwol
+
+  systemport,num-tier2-arb:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Number of tier 2 arbiters
+
+  systemport,num-tier1-arb:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Number of tier 2 arbiters
+
+  systemport,num-txq:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 1
+    maximum: 32
+    description:
+      Number of HW transmit queues
+
+  systemport,num-rxq:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 1
+    maximum: 32
+    description:
+      Number of HW receive queues
+
+required:
+  - reg
+  - interrupts
+  - phy-mode
+
+allOf:
+  - $ref: "ethernet-controller.yaml#"
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    ethernet@f04a0000 {
+        compatible = "brcm,systemport-v1.00";
+        reg = <0xf04a0000 0x4650>;
+        local-mac-address = [ 00 11 22 33 44 55 ];
+        phy-mode = "gmii";
+        interrupts = <0x0 0x16 0x0>,
+                     <0x0 0x17 0x0>;
+        fixed-link {
+            speed = <1000>;
+            full-duplex;
+        };
+    };