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2024-09-20 cf4ce59b3b70238352c7f1729f0f7223214828ad 
 kernel/Documentation/devicetree/bindings/net/ethernet.txt
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-The following properties are common to the Ethernet controllers:
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-
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-NOTE: All 'phy*' properties documented below are Ethernet specific. For the
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-generic PHY 'phys' property, see
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-Documentation/devicetree/bindings/phy/phy-bindings.txt.
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-
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-- local-mac-address: array of 6 bytes, specifies the MAC address that was
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-  assigned to the network device;
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-- mac-address: array of 6 bytes, specifies the MAC address that was last used by
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-  the boot program; should be used in cases where the MAC address assigned to
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-  the device by the boot program is different from the "local-mac-address"
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-  property;
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-- nvmem-cells: phandle, reference to an nvmem node for the MAC address;
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-- nvmem-cell-names: string, should be "mac-address" if nvmem is to be used;
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-- max-speed: number, specifies maximum speed in Mbit/s supported by the device;
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-- max-frame-size: number, maximum transfer unit (IEEE defined MTU), rather than
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-  the maximum frame size (there's contradiction in the Devicetree
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-  Specification).
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-- phy-mode: string, operation mode of the PHY interface. This is now a de-facto
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-  standard property; supported values are:
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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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-  * "rgmii" (RX and TX delays are added by the MAC when required)
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-  * "rgmii-id" (RGMII with internal RX and TX delays provided by the PHY, the
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-     MAC should not add the RX or TX delays in this case)
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-  * "rgmii-rxid" (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-txid" (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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-  * "rtbi"
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-  * "smii"
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-  * "xgmii"
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-  * "trgmii"
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-  * "2000base-x",
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-  * "2500base-x",
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-  * "rxaui"
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-  * "xaui"
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-  * "10gbase-kr" (10GBASE-KR, XFI, SFI)
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-- phy-connection-type: the same as "phy-mode" property but described in the
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-  Devicetree Specification;
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-- phy-handle: phandle, specifies a reference to a node representing a PHY
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-  device; this property is described in the Devicetree Specification and so
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-  preferred;
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-- phy: the same as "phy-handle" property, not recommended for new bindings.
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-- phy-device: the same as "phy-handle" property, not recommended for new
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-  bindings.
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-- rx-fifo-depth: the size of the controller's receive fifo in bytes. This
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-  is used for components that can have configurable receive fifo sizes,
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-  and is useful for determining certain configuration settings such as
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-  flow control thresholds.
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-- tx-fifo-depth: 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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-- managed: string, specifies the PHY management type. Supported values are:
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-  "auto", "in-band-status". "auto" is the default, it usess MDIO for
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-  management if fixed-link is not specified.
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-
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-Child nodes of the Ethernet controller are typically the individual PHY devices
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-connected via the MDIO bus (sometimes the MDIO bus controller is separate).
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-They are described in the phy.txt file in this same directory.
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-For non-MDIO PHY management see fixed-link.txt.
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+This file has moved to ethernet-controller.yaml.