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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/brcm,unimac-mdio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom UniMAC MDIO bus controller
+
+maintainers:
+ - Doug Berger <opendmb@gmail.com>
+ - Florian Fainelli <f.fainelli@gmail.com>
+ - Rafał Miłecki <rafal@milecki.pl>
+
+allOf:
+ - $ref: mdio.yaml#
+
+properties:
+ compatible:
+ enum:
+ - brcm,genet-mdio-v1
+ - brcm,genet-mdio-v2
+ - brcm,genet-mdio-v3
+ - brcm,genet-mdio-v4
+ - brcm,genet-mdio-v5
+ - brcm,asp-v2.0-mdio
+ - brcm,asp-v2.1-mdio
+ - brcm,unimac-mdio
+
+ reg:
+ minItems: 1
+ items:
+ - description: base register
+ - description: indirect accesses to larger than 16-bits MDIO transactions
+
+ reg-names:
+ minItems: 1
+ items:
+ - const: mdio
+ - const: mdio_indir_rw
+
+ interrupts:
+ oneOf:
+ - description: >
+ Interrupt shared with the Ethernet MAC or Ethernet switch this MDIO
+ block is integrated from
+ - items:
+ - description: |
+ "mdio done" interrupt
+ - description: |
+ "mdio error" interrupt
+
+ interrupt-names:
+ oneOf:
+ - const: mdio_done_error
+ - items:
+ - const: mdio_done
+ - const: mdio_error
+
+ clocks:
+ description: A reference to the clock supplying the MDIO bus controller
+
+ clock-frequency:
+ description: >
+ The MDIO bus clock that must be output by the MDIO bus hardware, if
+ absent, the default hardware values are used
+
+unevaluatedProperties: false
+
+required:
+ - reg
+ - '#address-cells'
+ - '#size-cells'
+
+examples:
+ - |
+ mdio@403c0 {
+ compatible = "brcm,unimac-mdio";
+ reg = <0x403c0 0x8>, <0x40300 0x18>;
+ reg-names = "mdio", "mdio_indir_rw";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ };
+ };