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cc732d2351
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>
65 lines
1.2 KiB
YAML
65 lines
1.2 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/amlogic,gxl-mdio-mux.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Amlogic GXL MDIO bus multiplexer
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maintainers:
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- Jerome Brunet <jbrunet@baylibre.com>
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description:
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This is a special case of a MDIO bus multiplexer. It allows to choose between
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the internal mdio bus leading to the embedded 10/100 PHY or the external
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MDIO bus on the Amlogic GXL SoC family.
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allOf:
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- $ref: mdio-mux.yaml#
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properties:
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compatible:
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const: amlogic,gxl-mdio-mux
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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items:
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- const: ref
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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unevaluatedProperties: false
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examples:
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- |
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eth_phy_mux: mdio@558 {
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compatible = "amlogic,gxl-mdio-mux";
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reg = <0x558 0xc>;
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#address-cells = <1>;
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#size-cells = <0>;
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clocks = <&refclk>;
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clock-names = "ref";
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mdio-parent-bus = <&mdio0>;
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external_mdio: mdio@0 {
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reg = <0x0>;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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internal_mdio: mdio@1 {
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reg = <0x1>;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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};
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