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diff --git a/Bindings/net/amlogic,g12a-mdio-mux.yaml b/Bindings/net/amlogic,g12a-mdio-mux.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/amlogic,g12a-mdio-mux.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MDIO bus multiplexer/glue of Amlogic G12a SoC family
+
+description:
+ This is a special case of a MDIO bus multiplexer. It allows to choose between
+ the internal mdio bus leading to the embedded 10/100 PHY or the external
+ MDIO bus.
+
+maintainers:
+ - Neil Armstrong <neil.armstrong@linaro.org>
+
+allOf:
+ - $ref: mdio-mux.yaml#
+
+properties:
+ compatible:
+ const: amlogic,g12a-mdio-mux
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: peripheral clock
+ - description: platform crytal
+ - description: SoC 50MHz MPLL
+
+ clock-names:
+ items:
+ - const: pclk
+ - const: clkin0
+ - const: clkin1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ mdio-multiplexer@4c000 {
+ compatible = "amlogic,g12a-mdio-mux";
+ reg = <0x4c000 0xa4>;
+ clocks = <&clkc_eth_phy>, <&xtal>, <&clkc_mpll>;
+ clock-names = "pclk", "clkin0", "clkin1";
+ mdio-parent-bus = <&mdio0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ mdio@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ mdio@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethernet-phy@8 {
+ compatible = "ethernet-phy-id0180.3301",
+ "ethernet-phy-ieee802.3-c22";
+ interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <8>;
+ max-speed = <100>;
+ };
+ };
+ };
+...