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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/allwinner,sun4i-a10-mdio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A10 MDIO Controller Device Tree Bindings
+
+maintainers:
+ - Chen-Yu Tsai <wens@csie.org>
+ - Maxime Ripard <maxime.ripard@bootlin.com>
+
+allOf:
+ - $ref: "mdio.yaml#"
+
+# Select every compatible, including the deprecated ones. This way, we
+# will be able to report a warning when we have that compatible, since
+# we will validate the node thanks to the select, but won't report it
+# as a valid value in the compatible property description
+select:
+ properties:
+ compatible:
+ enum:
+ - allwinner,sun4i-a10-mdio
+
+ # Deprecated
+ - allwinner,sun4i-mdio
+
+ required:
+ - compatible
+
+properties:
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ compatible:
+ const: allwinner,sun4i-a10-mdio
+
+ reg:
+ maxItems: 1
+
+ phy-supply:
+ description: PHY regulator
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ mdio@1c0b080 {
+ compatible = "allwinner,sun4i-a10-mdio";
+ reg = <0x01c0b080 0x14>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy-supply = <&reg_emac_3v3>;
+
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+ };
+
+# FIXME: We should set it, but it would report all the generic
+# properties as additional properties.
+# additionalProperties: false
+
+...