1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/net/mdio-mux-multiplexer.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Properties for an MDIO bus multiplexer consumer device 8 9maintainers: 10 - Andrew Lunn <andrew@lunn.ch> 11 12description: |+ 13 This is a special case of MDIO mux when MDIO mux is defined as a consumer 14 of a mux producer device. The mux producer can be of any type like mmio mux 15 producer, gpio mux producer or generic register based mux producer. 16 17 18allOf: 19 - $ref: /schemas/net/mdio-mux.yaml# 20 21properties: 22 compatible: 23 const: mdio-mux-multiplexer 24 25 mux-controls: 26 maxItems: 1 27 28required: 29 - compatible 30 - mux-controls 31 32unevaluatedProperties: false 33 34examples: 35 - | 36 mux: mux-controller { // Mux Producer 37 compatible = "reg-mux"; 38 #mux-control-cells = <1>; 39 mux-reg-masks = <0x54 0xf8>, /* 0: reg 0x54, bits 7:3 */ 40 <0x54 0x07>; /* 1: reg 0x54, bits 2:0 */ 41 }; 42 43 mdio-mux-1 { // Mux consumer 44 compatible = "mdio-mux-multiplexer"; 45 mux-controls = <&mux 0>; 46 mdio-parent-bus = <&emdio1>; 47 #address-cells = <1>; 48 #size-cells = <0>; 49 50 mdio@0 { 51 reg = <0x0>; 52 #address-cells = <1>; 53 #size-cells = <0>; 54 }; 55 56 mdio@8 { 57 reg = <0x8>; 58 #address-cells = <1>; 59 #size-cells = <0>; 60 }; 61 }; 62 63 mdio-mux-2 { // Mux consumer 64 compatible = "mdio-mux-multiplexer"; 65 mux-controls = <&mux 1>; 66 mdio-parent-bus = <&emdio2>; 67 #address-cells = <1>; 68 #size-cells = <0>; 69 70 mdio@0 { 71 reg = <0x0>; 72 #address-cells = <1>; 73 #size-cells = <0>; 74 }; 75 76 mdio@1 { 77 reg = <0x1>; 78 #address-cells = <1>; 79 #size-cells = <0>; 80 }; 81 }; 82... 83