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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>;
};
};
};
...
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