[PATCH v2 net-next] dt-bindings: net: xilinx: document xilinx emaclite driver binding

[Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>]

Add basic description for the xilinx emaclite driver DT bindings.

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
---
Changes since v1:
- Move ethernet-controller.yaml reference after maintainers.
- Drop interrupt second cell in example node.
- Set local-mac-address to all 0s in example node.
- Put the reg after compatible in DTS code.

Changes since RFC:
- Add ethernet-controller yaml reference.
- 4 space indent for DTS example.
---
 .../bindings/net/xlnx,emaclite.yaml           | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/xlnx,emaclite.yaml

diff --git a/Documentation/devicetree/bindings/net/xlnx,emaclite.yaml b/Documentation/devicetree/bindings/net/xlnx,emaclite.yaml
new file mode 100644
index 000000000000..92d8ade988f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/xlnx,emaclite.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/xlnx,emaclite.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Xilinx Emaclite Ethernet controller
+
+maintainers:
+  - Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
+  - Harini Katakam <harini.katakam@amd.com>
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - xlnx,opb-ethernetlite-1.01.a
+      - xlnx,opb-ethernetlite-1.01.b
+      - xlnx,xps-ethernetlite-1.00.a
+      - xlnx,xps-ethernetlite-2.00.a
+      - xlnx,xps-ethernetlite-2.01.a
+      - xlnx,xps-ethernetlite-3.00.a
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  phy-handle: true
+
+  local-mac-address: true
+
+  xlnx,tx-ping-pong:
+    type: boolean
+    description: hardware supports tx ping pong buffer.
+
+  xlnx,rx-ping-pong:
+    type: boolean
+    description: hardware supports rx ping pong buffer.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - phy-handle
+
+additionalProperties: false
+
+examples:
+  - |
+    axi_ethernetlite_1: ethernet@40e00000 {
+        compatible = "xlnx,xps-ethernetlite-3.00.a";
+        reg = <0x40e00000 0x10000>;
+        interrupt-parent = <&axi_intc_1>;
+        interrupts = <1>;
+        local-mac-address = [00 00 00 00 00 00];
+        phy-handle = <&phy0>;
+        xlnx,rx-ping-pong;
+        xlnx,tx-ping-pong;
+    };
-- 
2.25.1