| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Properties for an MDIO bus multiplexer consumer device |
| 8 | |
| 9 | maintainers: |
| 10 | - Andrew Lunn <andrew@lunn.ch> |
| 11 | |
| 12 | description: |+ |
| 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 | |
| 18 | allOf: |
| 19 | - $ref: /schemas/net/mdio-mux.yaml# |
| 20 | |
| 21 | properties: |
| 22 | compatible: |
| 23 | const: mdio-mux-multiplexer |
| 24 | |
| 25 | mux-controls: |
| 26 | maxItems: 1 |
| 27 | |
| 28 | required: |
| 29 | - compatible |
| 30 | - mux-controls |
| 31 | |
| 32 | unevaluatedProperties: false |
| 33 | |
| 34 | examples: |
| 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 | ... |