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linux/Documentation/devicetree/bindings/net/amlogic,gxl-mdio-mux.yaml
Jerome Brunet cc732d2351 dt-bindings: net: add amlogic gxl mdio multiplexer
Add documentation for the MDIO bus multiplexer found on the Amlogic GXL
SoC family

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-31 20:59:07 -08:00

65 lines
1.2 KiB
YAML

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/amlogic,gxl-mdio-mux.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Amlogic GXL MDIO bus multiplexer
maintainers:
- Jerome Brunet <jbrunet@baylibre.com>
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 on the Amlogic GXL SoC family.
allOf:
- $ref: mdio-mux.yaml#
properties:
compatible:
const: amlogic,gxl-mdio-mux
reg:
maxItems: 1
clocks:
maxItems: 1
clock-names:
items:
- const: ref
required:
- compatible
- reg
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
eth_phy_mux: mdio@558 {
compatible = "amlogic,gxl-mdio-mux";
reg = <0x558 0xc>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&refclk>;
clock-names = "ref";
mdio-parent-bus = <&mdio0>;
external_mdio: mdio@0 {
reg = <0x0>;
#address-cells = <1>;
#size-cells = <0>;
};
internal_mdio: mdio@1 {
reg = <0x1>;
#address-cells = <1>;
#size-cells = <0>;
};
};