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83 lines
1.9 KiB
YAML
83 lines
1.9 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/mdio-mux-multiplexer.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Properties for an MDIO bus multiplexer consumer device
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maintainers:
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- Andrew Lunn <andrew@lunn.ch>
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description: |+
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This is a special case of MDIO mux when MDIO mux is defined as a consumer
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of a mux producer device. The mux producer can be of any type like mmio mux
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producer, gpio mux producer or generic register based mux producer.
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allOf:
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- $ref: /schemas/net/mdio-mux.yaml#
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properties:
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compatible:
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const: mdio-mux-multiplexer
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mux-controls:
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maxItems: 1
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required:
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- compatible
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- mux-controls
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unevaluatedProperties: false
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examples:
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- |
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mux: mux-controller { // Mux Producer
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compatible = "reg-mux";
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#mux-control-cells = <1>;
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mux-reg-masks = <0x54 0xf8>, /* 0: reg 0x54, bits 7:3 */
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<0x54 0x07>; /* 1: reg 0x54, bits 2:0 */
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};
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mdio-mux-1 { // Mux consumer
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compatible = "mdio-mux-multiplexer";
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mux-controls = <&mux 0>;
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mdio-parent-bus = <&emdio1>;
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#address-cells = <1>;
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#size-cells = <0>;
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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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mdio@8 {
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reg = <0x8>;
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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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mdio-mux-2 { // Mux consumer
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compatible = "mdio-mux-multiplexer";
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mux-controls = <&mux 1>;
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mdio-parent-bus = <&emdio2>;
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#address-cells = <1>;
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#size-cells = <0>;
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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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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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...
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