Add a documentation file to describe the Device Tree bindings for the
Ethernet Media Access Controller found in the J-Core family of SoCs.

Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
---
 .../devicetree/bindings/net/jcore,emac.yaml   | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/jcore,emac.yaml

diff --git a/Documentation/devicetree/bindings/net/jcore,emac.yaml b/Documentation/devicetree/bindings/net/jcore,emac.yaml
new file mode 100644
index 000000000000..a4384f7ed83d
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/jcore,emac.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/jcore,emac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: J-Core Ethernet Media Access Controller
+
+description: |
+  This node provides properties for configuring the Ethernet MAC found
+  in the J-Core family of SoCs.
+
+maintainers:
+  - Artur Rojek <contact@artur-rojek.eu>
+
+properties:
+  compatible:
+    const: jcore,emac
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+additionalProperties: false
+
+examples:
+  - |
+    ethernet@10000 {
+      compatible = "jcore,emac";
+      reg = <0x10000 0x2000>;
+      interrupts = <0x11>;
+    };
-- 
2.50.1