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Diffstat (limited to 'Documentation/devicetree/bindings/net/ftgmac100.txt')
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diff --git a/Documentation/devicetree/bindings/net/ftgmac100.txt b/Documentation/devicetree/bindings/net/ftgmac100.txt new file mode 100644 index 000000000..f878c1103 --- /dev/null +++ b/Documentation/devicetree/bindings/net/ftgmac100.txt @@ -0,0 +1,42 @@ +* Faraday Technology FTGMAC100 gigabit ethernet controller + +Required properties: +- compatible: "faraday,ftgmac100" + + Must also contain one of these if used as part of an Aspeed AST2400 + or 2500 family SoC as they have some subtle tweaks to the + implementation: + + - "aspeed,ast2400-mac" + - "aspeed,ast2500-mac" + - "aspeed,ast2600-mac" + +- reg: Address and length of the register set for the device +- interrupts: Should contain ethernet controller interrupt + +Optional properties: +- phy-mode: See ethernet.txt file in the same directory. If the property is + absent, "rgmii" is assumed. Supported values are "rgmii*" and "rmii" for + aspeed parts. Other (unknown) parts will accept any value. +- use-ncsi: Use the NC-SI stack instead of an MDIO PHY. Currently assumes + rmii (100bT) but kept as a separate property in case NC-SI grows support + for a gigabit link. +- no-hw-checksum: Used to disable HW checksum support. Here for backward + compatibility as the driver now should have correct defaults based on + the SoC. +- clocks: In accordance with the generic clock bindings. Must describe the MAC + IP clock, and optionally an RMII RCLK gate for the AST2500/AST2600. The + required MAC clock must be the first cell. +- clock-names: + + - "MACCLK": The MAC IP clock + - "RCLK": Clock gate for the RMII RCLK + +Example: + + mac0: ethernet@1e660000 { + compatible = "aspeed,ast2500-mac", "faraday,ftgmac100"; + reg = <0x1e660000 0x180>; + interrupts = <2>; + use-ncsi; + }; |