Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.yaml
Extension
.yaml
Size
1820 bytes
Lines
80
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

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Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/brcm,mdio-mux-iproc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MDIO bus multiplexer found in Broadcom iProc based SoCs.

maintainers:
  - Florian Fainelli <f.fainelli@gmail.com>

description:
  This MDIO bus multiplexer defines buses that could be internal as well as
  external to SoCs and could accept MDIO transaction compatible to C-22 or
  C-45 Clause. When child bus is selected, one needs to select these two
  properties as well to generate desired MDIO transaction on appropriate bus.

allOf:
  - $ref: /schemas/net/mdio-mux.yaml#

properties:
  compatible:
    const: brcm,mdio-mux-iproc

  reg:
    maxItems: 1

  clocks:
    maxItems: 1
    description: core clock driving the MDIO block

required:
  - compatible
  - reg

unevaluatedProperties: false

examples:
  - |
    mdio-mux@66020000 {
        compatible = "brcm,mdio-mux-iproc";
        reg = <0x66020000 0x250>;
        #address-cells = <1>;
        #size-cells = <0>;

        mdio@0 {
            reg = <0x0>;
            #address-cells = <1>;
            #size-cells = <0>;

            pci-phy@0 {
                compatible = "brcm,ns2-pcie-phy";
                reg = <0x0>;
                #phy-cells = <0>;
            };
        };

        mdio@7 {
            reg = <0x7>;
            #address-cells = <1>;
            #size-cells = <0>;

            pci-phy@0 {
                compatible = "brcm,ns2-pcie-phy";
                reg = <0x0>;
                #phy-cells = <0>;
            };
        };

        mdio@10 {

Annotation

Implementation Notes