# SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/net/mdio-mux-multiplexer.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Properties for an MDIO bus multiplexer consumer device maintainers: - Andrew Lunn description: |+ This is a special case of MDIO mux when MDIO mux is defined as a consumer of a mux producer device. The mux producer can be of any type like mmio mux producer, gpio mux producer or generic register based mux producer. allOf: - $ref: /schemas/net/mdio-mux.yaml# properties: compatible: const: mdio-mux-multiplexer mux-controls: maxItems: 1 required: - compatible - mux-controls unevaluatedProperties: false examples: - | mux: mux-controller { // Mux Producer compatible = "reg-mux"; #mux-control-cells = <1>; mux-reg-masks = <0x54 0xf8>, /* 0: reg 0x54, bits 7:3 */ <0x54 0x07>; /* 1: reg 0x54, bits 2:0 */ }; mdio-mux-1 { // Mux consumer compatible = "mdio-mux-multiplexer"; mux-controls = <&mux 0>; mdio-parent-bus = <&emdio1>; #address-cells = <1>; #size-cells = <0>; mdio@0 { reg = <0x0>; #address-cells = <1>; #size-cells = <0>; }; mdio@8 { reg = <0x8>; #address-cells = <1>; #size-cells = <0>; }; }; mdio-mux-2 { // Mux consumer compatible = "mdio-mux-multiplexer"; mux-controls = <&mux 1>; mdio-parent-bus = <&emdio2>; #address-cells = <1>; #size-cells = <0>; mdio@0 { reg = <0x0>; #address-cells = <1>; #size-cells = <0>; }; mdio@1 { reg = <0x1>; #address-cells = <1>; #size-cells = <0>; }; }; ...