dt-bindings: net: Add DT bindings ep93xx eth

Add YAML bindings for ep93xx SoC.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

diff --git a/Documentation/devicetree/bindings/net/cirrus,ep93xx_eth.yaml b/Documentation/devicetree/bindings/net/cirrus,ep93xx_eth.yaml
new file mode 100644 (file)
index 0000000..cb58428
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/cirrus,ep93xx_eth.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/cirrus,ep93xx_eth.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: The ethernet hardware included in EP93xx CPUs module Device Tree Bindings
+
+maintainers:
+  - Hartley Sweeten <hsweeten@visionengravers.com>
+
+properties:
+  compatible:
+    const: cirrus,ep93xx-eth
+
+  reg:
+    items:
+      - description: The physical base address and size of IO range
+
+  interrupts:
+    items:
+      - description: Combined signal for various interrupt events
+
+  copy_addr:
+    type: boolean
+    description:
+      Flag indicating that the MAC address should be copied
+      from the IndAd registers (as programmed by the bootloader)
+
+  phy_id:
+    description: MII phy_id to use
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    eth0: eth@80010000 {
+        compatible = "cirrus,ep93xx-eth";
+        reg = <0x80010000 0x10000>;
+        interrupt-parent = <&vic1>;
+        interrupts = <7>;
+        copy_addr;
+        phy_id = < 1 >;
+    };
+
+...