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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/dsa/dsa-port.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Generic DSA Switch Port
maintainers:
- Andrew Lunn <andrew@lunn.ch>
- Florian Fainelli <f.fainelli@gmail.com>
- Vladimir Oltean <olteanv@gmail.com>
description:
A DSA switch port is a component of a switch that manages one MAC, and can
pass Ethernet frames. It can act as a stanadard Ethernet switch port, or have
DSA-specific functionality.
$ref: /schemas/net/ethernet-switch-port.yaml#
properties:
reg:
items:
- description: Port number
label:
description:
Describes the label associated with this port, which will become
the netdev name
$ref: /schemas/types.yaml#/definitions/string
link:
description:
Should be a list of phandles to other switch's DSA port. This
port is used as the outgoing port towards the phandle ports. The
full routing information must be given, not just the one hop
routes to neighbouring switches
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
maxItems: 1
ethernet:
description:
Should be a phandle to a valid Ethernet device node. This host
device is what the switch port is connected to
$ref: /schemas/types.yaml#/definitions/phandle
dsa-tag-protocol:
description:
Instead of the default, the switch will use this tag protocol if
possible. Useful when a device supports multiple protocols and
the default is incompatible with the Ethernet device.
enum:
- dsa
- edsa
- ocelot
- ocelot-8021q
- rtl8_4
- rtl8_4t
- seville
# CPU and DSA ports must have phylink-compatible link descriptions
if:
oneOf:
- required: [ ethernet ]
- required: [ link ]
then:
allOf:
- required:
- phy-mode
- oneOf:
- required:
- fixed-link
- required:
- phy-handle
- required:
- managed
additionalProperties: true
...
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