diff options
Diffstat (limited to 'Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt')
-rw-r--r-- | Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt index aeea50c84e92..73be8970815e 100644 --- a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt +++ b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt @@ -6,22 +6,42 @@ Required properties: - interrupts: interrupt for the device - phy: See ethernet.txt file in the same directory. - phy-mode: See ethernet.txt file in the same directory -- clocks: a pointer to the reference clock for this device. +- clocks: List of clocks for this device. At least one clock is + mandatory for the core clock. If several clocks are given, then the + clock-names property must be used to identify them. Optional properties: - tx-csum-limit: maximum mtu supported by port that allow TX checksum. Value is presented in bytes. If not used, by default 1600B is set for "marvell,armada-370-neta" and 9800B for others. +- clock-names: List of names corresponding to clocks property; shall be + "core" for core clock and "bus" for the optional bus clock. + + +Optional properties (valid only for Armada XP/38x): + +- buffer-manager: a phandle to a buffer manager node. Please refer to + Documentation/devicetree/bindings/net/marvell-neta-bm.txt +- bm,pool-long: ID of a pool, that will accept all packets of a size + higher than 'short' pool's threshold (if set) and up to MTU value. + Obligatory, when the port is supposed to use hardware + buffer management. +- bm,pool-short: ID of a pool, that will be used for accepting + packets of a size lower than given threshold. If not set, the port + will use a single 'long' pool for all packets, as defined above. Example: -ethernet@d0070000 { +ethernet@70000 { compatible = "marvell,armada-370-neta"; - reg = <0xd0070000 0x2500>; + reg = <0x70000 0x2500>; interrupts = <8>; clocks = <&gate_clk 4>; tx-csum-limit = <9800> status = "okay"; phy = <&phy0>; phy-mode = "rgmii-id"; + buffer-manager = <&bm>; + bm,pool-long = <0>; + bm,pool-short = <1>; }; |