bindings/net/mdio-mux-multiplexer.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/mdio-mux-multiplexer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Andrew Lunn <andrew@lunn.ch>
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.
19   - $ref: /schemas/net/mdio-mux.yaml#
23     const: mdio-mux-multiplexer
25   mux-controls:
29   - compatible
30   - mux-controls
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 */
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>;
51             reg = <0x0>;
52             #address-cells = <1>;
53             #size-cells = <0>;
57             reg = <0x8>;
58             #address-cells = <1>;
59             #size-cells = <0>;
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>;
71             reg = <0x0>;
72             #address-cells = <1>;
73             #size-cells = <0>;
77             reg = <0x1>;
78             #address-cells = <1>;
79             #size-cells = <0>;