Introduce device-tree binding documentation for
MaxLinear LGM Network Processor

Signed-off-by: Jack Ping CHNG <jchng@maxlinear.com>
---
 .../devicetree/bindings/net/mxl,lgm-eth.yaml  | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/mxl,lgm-eth.yaml

diff --git a/Documentation/devicetree/bindings/net/mxl,lgm-eth.yaml b/Documentation/devicetree/bindings/net/mxl,lgm-eth.yaml
new file mode 100644
index 000000000000..3d5b32b5b650
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/mxl,lgm-eth.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/net/mxl,lgm-eth.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MaxLinear LGM Ethernet Controller
+
+maintainers:
+  - Jack Ping Chng <jchng@maxlinear.com>
+
+description:
+  Binding for MaxLinear LGM Ethernet controller
+
+properties:
+  compatible:
+    enum:
+      - mxl,lgm-eth
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: ethif
+
+  resets:
+    maxItems: 1
+
+patternProperties:
+  "^interface$":
+    type: object
+    properties:
+      compatible:
+        enum:
+          - mxl,lgm-mac
+    required:
+      - compatible
+    additionalProperties: false
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    eth {
+      compatible = "mxl,lgm-eth";
+      clocks = <&cgu0 32>;
+      clock-names = "ethif";
+      resets = <&rcu0 0x70 8>;
+
+      interface {
+          compatible = "mxl,lgm-mac";
+      };
+    };
-- 
2.34.1