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7b9cf84031
Since we will use these bindings on sunxi, bring them in from Linux 4.0-rc1. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Ian Campbell <ijc@hellion.org.uk>
26 lines
1.5 KiB
Plaintext
26 lines
1.5 KiB
Plaintext
The following properties are common to the Ethernet controllers:
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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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- 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 ePAPR).
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- phy-mode: string, operation mode of the PHY interface; supported values are
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"mii", "gmii", "sgmii", "qsgmii", "tbi", "rev-mii", "rmii", "rgmii", "rgmii-id",
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"rgmii-rxid", "rgmii-txid", "rtbi", "smii", "xgmii"; this is now a de-facto
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standard property;
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- phy-connection-type: the same as "phy-mode" property but described in ePAPR;
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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 ePAPR and so 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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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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