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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: Ethernet Switch port Device Tree Bindings
maintainers:
- Andrew Lunn <andrew@lunn.ch>
- Florian Fainelli <f.fainelli@gmail.com>
- Vivien Didelot <vivien.didelot@gmail.com>
description:
Ethernet switch port Description
allOf:
- $ref: /schemas/net/ethernet-controller.yaml#
properties:
reg:
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
phy-handle: true
phy-mode: true
fixed-link: true
mac-address: true
sfp: true
managed: true
rx-internal-delay-ps: true
tx-internal-delay-ps: true
required:
- reg
# 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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