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51 lines
1.9 KiB
Plaintext
51 lines
1.9 KiB
Plaintext
* Marvell Armada 370 / Armada XP / Armada 3700 Ethernet Controller (NETA)
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Required properties:
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- compatible: could be one of the following:
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"marvell,armada-370-neta"
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"marvell,armada-xp-neta"
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"marvell,armada-3700-neta"
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"marvell,armada-ac5-neta"
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- reg: address and length of the register set for the device.
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- interrupts: interrupt for the device
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- phy: See ethernet.txt file in the same directory.
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- phy-mode: See ethernet.txt file in the same directory
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- clocks: List of clocks for this device. At least one clock is
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mandatory for the core clock. If several clocks are given, then the
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clock-names property must be used to identify them.
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Optional properties:
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- tx-csum-limit: maximum mtu supported by port that allow TX checksum.
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Value is presented in bytes. If not used, by default 1600B is set for
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"marvell,armada-370-neta" and 9800B for others.
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- clock-names: List of names corresponding to clocks property; shall be
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"core" for core clock and "bus" for the optional bus clock.
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- phys: comphy for the ethernet port, see ../phy/phy-bindings.txt
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Optional properties (valid only for Armada XP/38x):
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- buffer-manager: a phandle to a buffer manager node. Please refer to
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Documentation/devicetree/bindings/net/marvell-neta-bm.txt
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- bm,pool-long: ID of a pool, that will accept all packets of a size
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higher than 'short' pool's threshold (if set) and up to MTU value.
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Obligatory, when the port is supposed to use hardware
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buffer management.
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- bm,pool-short: ID of a pool, that will be used for accepting
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packets of a size lower than given threshold. If not set, the port
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will use a single 'long' pool for all packets, as defined above.
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Example:
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ethernet@70000 {
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compatible = "marvell,armada-370-neta";
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reg = <0x70000 0x2500>;
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interrupts = <8>;
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clocks = <&gate_clk 4>;
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tx-csum-limit = <9800>
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phy = <&phy0>;
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phy-mode = "rgmii-id";
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buffer-manager = <&bm>;
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bm,pool-long = <0>;
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bm,pool-short = <1>;
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};
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