Bindings/net/amlogic,gxl-mdio-mux.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/net/amlogic,gxl-mdio-mux.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Amlogic GXL MDIO bus multiplexer
   8
   9 maintainers:
  10   - Jerome Brunet <jbrunet@baylibre.com>
  11
  12 description:
  13   This is a special case of a MDIO bus multiplexer. It allows to choose between
  14   the internal mdio bus leading to the embedded 10/100 PHY or the external
  15   MDIO bus on the Amlogic GXL SoC family.
  16
  17 allOf:
  18   - $ref: mdio-mux.yaml#
  19
  20 properties:
  21   compatible:
  22     const: amlogic,gxl-mdio-mux
  23
  24   reg:
  25     maxItems: 1
  26
  27   clocks:
  28     maxItems: 1
  29
  30   clock-names:
  31     items:
  32       - const: ref
  33
  34 required:
  35   - compatible
  36   - reg
  37   - clocks
  38   - clock-names
  39
  40 unevaluatedProperties: false
  41
  42 examples:
  43   - |
  44     eth_phy_mux: mdio@558 {
  45       compatible = "amlogic,gxl-mdio-mux";
  46       reg = <0x558 0xc>;
  47       #address-cells = <1>;
  48       #size-cells = <0>;
  49       clocks = <&refclk>;
  50       clock-names = "ref";
  51       mdio-parent-bus = <&mdio0>;
  52
  53       external_mdio: mdio@0 {
  54         reg = <0x0>;
  55         #address-cells = <1>;
  56         #size-cells = <0>;
  57       };
  58
  59       internal_mdio: mdio@1 {
  60         reg = <0x1>;
  61         #address-cells = <1>;
  62         #size-cells = <0>;
  63       };
  64     };