projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 88a286f7 BH |
1 | * Faraday Technology FTGMAC100 gigabit ethernet controller |
| 2 | ||
| 3 | Required properties: | |
| 4 | - compatible: "faraday,ftgmac100" | |
| 5 | ||
| 6 | Must also contain one of these if used as part of an Aspeed AST2400 | |
| 7 | or 2500 family SoC as they have some subtle tweaks to the | |
| 8 | implementation: | |
| 9 | ||
| 10 | - "aspeed,ast2400-mac" | |
| 11 | - "aspeed,ast2500-mac" | |
| 6a3c52fe | 12 | - "aspeed,ast2600-mac" |
| 88a286f7 BH |
13 | |
| 14 | - reg: Address and length of the register set for the device | |
| 15 | - interrupts: Should contain ethernet controller interrupt | |
| 16 | ||
| 17 | Optional properties: | |
| 9ce86dc4 | 18 | - phy-handle: See ethernet.txt file in the same directory. |
| 88a286f7 BH |
19 | - phy-mode: See ethernet.txt file in the same directory. If the property is |
| 20 | absent, "rgmii" is assumed. Supported values are "rgmii*" and "rmii" for | |
| 21 | aspeed parts. Other (unknown) parts will accept any value. | |
| 22 | - use-ncsi: Use the NC-SI stack instead of an MDIO PHY. Currently assumes | |
| 23 | rmii (100bT) but kept as a separate property in case NC-SI grows support | |
| 24 | for a gigabit link. | |
| 25 | - no-hw-checksum: Used to disable HW checksum support. Here for backward | |
| 26 | compatibility as the driver now should have correct defaults based on | |
| 27 | the SoC. | |
| 042b8675 AJ |
28 | - clocks: In accordance with the generic clock bindings. Must describe the MAC |
| 29 | IP clock, and optionally an RMII RCLK gate for the AST2500/AST2600. The | |
| 30 | required MAC clock must be the first cell. | |
| 31 | - clock-names: | |
| 32 | ||
| 33 | - "MACCLK": The MAC IP clock | |
| 34 | - "RCLK": Clock gate for the RMII RCLK | |
| 88a286f7 | 35 | |
| 9ce86dc4 IM |
36 | Optional subnodes: |
| 37 | - mdio: See mdio.txt file in the same directory. | |
| 38 | ||
| 88a286f7 BH |
39 | Example: |
| 40 | ||
| 41 | mac0: ethernet@1e660000 { | |
| 42 | compatible = "aspeed,ast2500-mac", "faraday,ftgmac100"; | |
| 43 | reg = <0x1e660000 0x180>; | |
| 44 | interrupts = <2>; | |
| 88a286f7 BH |
45 | use-ncsi; |
| 46 | }; | |
| 9ce86dc4 IM |
47 | |
| 48 | Example with phy-handle: | |
| 49 | ||
| 50 | mac1: ethernet@1e680000 { | |
| 51 | compatible = "aspeed,ast2500-mac", "faraday,ftgmac100"; | |
| 52 | reg = <0x1e680000 0x180>; | |
| 53 | interrupts = <2>; | |
| 54 | ||
| 55 | phy-handle = <&phy>; | |
| 56 | phy-mode = "rgmii"; | |
| 57 | ||
| 58 | mdio { | |
| 59 | #address-cells = <1>; | |
| 60 | #size-cells = <0>; | |
| 61 | ||
| 62 | phy: ethernet-phy@1 { | |
| 63 | compatible = "ethernet-phy-ieee802.3-c22"; | |
| 64 | reg = <1>; | |
| 65 | }; | |
| 66 | }; | |
| 67 | }; |