232 lines
6.2 KiB
YAML
232 lines
6.2 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/ethernet-controller.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Ethernet Controller Generic Binding
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maintainers:
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- David S. Miller <davem@davemloft.net>
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properties:
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$nodename:
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pattern: "^ethernet(@.*)?$"
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local-mac-address:
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description:
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Specifies the MAC address that was assigned to the network device.
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$ref: /schemas/types.yaml#/definitions/uint8-array
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items:
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- minItems: 6
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maxItems: 6
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mac-address:
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description:
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Specifies the MAC address that was last used by the boot
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program; should be used in cases where the MAC address assigned
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to the device by the boot program is different from the
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local-mac-address property.
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$ref: /schemas/types.yaml#/definitions/uint8-array
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items:
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- minItems: 6
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maxItems: 6
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max-frame-size:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Maximum transfer unit (IEEE defined MTU), rather than the
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maximum frame size (there\'s contradiction in the Devicetree
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Specification).
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max-speed:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Specifies maximum speed in Mbit/s supported by the device.
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nvmem-cells:
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maxItems: 1
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description:
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Reference to an nvmem node for the MAC address
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nvmem-cell-names:
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const: mac-address
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phy-connection-type:
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description:
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Specifies interface type between the Ethernet device and a physical
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layer (PHY) device.
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enum:
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# There is not a standard bus between the MAC and the PHY,
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# something proprietary is being used to embed the PHY in the
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# MAC.
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- internal
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- mii
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- gmii
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- sgmii
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- qsgmii
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- tbi
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- rev-mii
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- rmii
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- rev-rmii
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# RX and TX delays are added by the MAC when required
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- rgmii
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# RGMII with internal RX and TX delays provided by the PHY,
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# the MAC should not add the RX or TX delays in this case
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- rgmii-id
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# RGMII with internal RX delay provided by the PHY, the MAC
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# should not add an RX delay in this case
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- rgmii-rxid
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# RGMII with internal TX delay provided by the PHY, the MAC
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# should not add an TX delay in this case
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- rgmii-txid
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- rtbi
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- smii
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- xgmii
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- trgmii
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- 1000base-x
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- 2500base-x
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- 5gbase-r
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- rxaui
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- xaui
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# 10GBASE-KR, XFI, SFI
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- 10gbase-kr
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- usxgmii
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- 10gbase-r
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- 25gbase-r
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phy-mode:
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$ref: "#/properties/phy-connection-type"
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phy-handle:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Specifies a reference to a node representing a PHY device.
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phy:
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$ref: "#/properties/phy-handle"
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deprecated: true
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phy-device:
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$ref: "#/properties/phy-handle"
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deprecated: true
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rx-fifo-depth:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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The size of the controller\'s receive fifo in bytes. This is used
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for components that can have configurable receive fifo sizes,
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and is useful for determining certain configuration settings
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such as flow control thresholds.
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rx-internal-delay-ps:
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description: |
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RGMII Receive Clock Delay defined in pico seconds.
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This is used for controllers that have configurable RX internal delays.
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If this property is present then the MAC applies the RX delay.
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sfp:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Specifies a reference to a node representing a SFP cage.
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tx-fifo-depth:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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The size of the controller\'s transmit fifo in bytes. This
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is used for components that can have configurable fifo sizes.
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tx-internal-delay-ps:
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description: |
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RGMII Transmit Clock Delay defined in pico seconds.
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This is used for controllers that have configurable TX internal delays.
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If this property is present then the MAC applies the TX delay.
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managed:
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description:
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Specifies the PHY management type. If auto is set and fixed-link
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is not specified, it uses MDIO for management.
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$ref: /schemas/types.yaml#/definitions/string
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default: auto
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enum:
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- auto
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- in-band-status
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fixed-link:
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allOf:
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- if:
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type: array
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then:
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deprecated: true
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minItems: 1
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maxItems: 1
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items:
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items:
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- minimum: 0
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maximum: 31
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description:
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Emulated PHY ID, choose any but unique to the all
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specified fixed-links
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- enum: [0, 1]
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description:
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Duplex configuration. 0 for half duplex or 1 for
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full duplex
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- enum: [10, 100, 1000]
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description:
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Link speed in Mbits/sec.
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- enum: [0, 1]
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description:
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Pause configuration. 0 for no pause, 1 for pause
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- enum: [0, 1]
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description:
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Asymmetric pause configuration. 0 for no asymmetric
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pause, 1 for asymmetric pause
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- if:
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type: object
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then:
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properties:
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speed:
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description:
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Link speed.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [10, 100, 1000]
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full-duplex:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Indicates that full-duplex is used. When absent, half
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duplex is assumed.
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pause:
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$ref: /schemas/types.yaml#definitions/flag
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description:
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Indicates that pause should be enabled.
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asym-pause:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Indicates that asym_pause should be enabled.
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link-gpios:
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maxItems: 1
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description:
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GPIO to determine if the link is up
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required:
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- speed
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additionalProperties: true
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...
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