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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,unimac-mdio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom UniMAC MDIO bus controller
maintainers:
- Doug Berger <opendmb@gmail.com>
- Florian Fainelli <f.fainelli@gmail.com>
- Rafał Miłecki <rafal@milecki.pl>
allOf:
- $ref: mdio.yaml#
properties:
compatible:
enum:
- brcm,genet-mdio-v1
- brcm,genet-mdio-v2
- brcm,genet-mdio-v3
- brcm,genet-mdio-v4
- brcm,genet-mdio-v5
- brcm,asp-v2.0-mdio
- brcm,asp-v2.1-mdio
- brcm,unimac-mdio
reg:
minItems: 1
items:
- description: base register
- description: indirect accesses to larger than 16-bits MDIO transactions
reg-names:
minItems: 1
items:
- const: mdio
- const: mdio_indir_rw
interrupts:
oneOf:
- description: >
Interrupt shared with the Ethernet MAC or Ethernet switch this MDIO
block is integrated from
- items:
- description: |
"mdio done" interrupt
- description: |
"mdio error" interrupt
interrupt-names:
oneOf:
- const: mdio_done_error
- items:
- const: mdio_done
- const: mdio_error
clocks:
description: A reference to the clock supplying the MDIO bus controller
clock-frequency:
description: >
The MDIO bus clock that must be output by the MDIO bus hardware, if
absent, the default hardware values are used
unevaluatedProperties: false
required:
- reg
- '#address-cells'
- '#size-cells'
examples:
- |
mdio@403c0 {
compatible = "brcm,unimac-mdio";
reg = <0x403c0 0x8>, <0x40300 0x18>;
reg-names = "mdio", "mdio_indir_rw";
#address-cells = <1>;
#size-cells = <0>;
ethernet-phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0>;
};
};
|
