projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| ca2cc333 SG |
1 | * Freescale Fast Ethernet Controller (FEC) |
| 2 | ||
| 3 | Required properties: | |
| 4 | - compatible : Should be "fsl,<soc>-fec" | |
| 5 | - reg : Address and length of the register set for the device | |
| 6 | - interrupts : Should contain fec interrupt | |
| e8f08ee0 | 7 | - phy-mode : See ethernet.txt file in the same directory |
| ca2cc333 SG |
8 | |
| 9 | Optional properties: | |
| c9040af2 | 10 | - phy-reset-gpios : Should specify the gpio for phy reset |
| a3caad0a SG |
11 | - phy-reset-duration : Reset duration in milliseconds. Should present |
| 12 | only if property "phy-reset-gpios" is available. Missing the property | |
| 13 | will have the duration be 1 millisecond. Numbers greater than 1000 are | |
| 14 | invalid and 1 millisecond will be used instead. | |
| 407066f8 UKK |
15 | - phy-supply : regulator that powers the Ethernet PHY. |
| 16 | - phy-handle : phandle to the PHY device connected to this device. | |
| 17 | - fixed-link : Assume a fixed link. See fixed-link.txt in the same directory. | |
| 18 | Use instead of phy-handle. | |
| 08313641 FL |
19 | - fsl,num-tx-queues : The property is valid for enet-avb IP, which supports |
| 20 | hw multi queues. Should specify the tx queue number, otherwise set tx queue | |
| 21 | number to 1. | |
| 22 | - fsl,num-rx-queues : The property is valid for enet-avb IP, which supports | |
| 23 | hw multi queues. Should specify the rx queue number, otherwise set rx queue | |
| 24 | number to 1. | |
| de40ed31 NA |
25 | - fsl,magic-packet : If present, indicates that the hardware supports waking |
| 26 | up via magic packet. | |
| 407066f8 UKK |
27 | |
| 28 | Optional subnodes: | |
| 29 | - mdio : specifies the mdio bus in the FEC, used as a container for phy nodes | |
| 30 | according to phy.txt in the same directory | |
| ca2cc333 SG |
31 | |
| 32 | Example: | |
| 33 | ||
| 0c456cfa | 34 | ethernet@83fec000 { |
| ca2cc333 SG |
35 | compatible = "fsl,imx51-fec", "fsl,imx27-fec"; |
| 36 | reg = <0x83fec000 0x4000>; | |
| 37 | interrupts = <87>; | |
| 38 | phy-mode = "mii"; | |
| af634df1 | 39 | phy-reset-gpios = <&gpio2 14 0>; /* GPIO2_14 */ |
| ca2cc333 | 40 | local-mac-address = [00 04 9F 01 1B B9]; |
| 21ea0268 | 41 | phy-supply = <®_fec_supply>; |
| ca2cc333 | 42 | }; |
| 407066f8 UKK |
43 | |
| 44 | Example with phy specified: | |
| 45 | ||
| 46 | ethernet@83fec000 { | |
| 47 | compatible = "fsl,imx51-fec", "fsl,imx27-fec"; | |
| 48 | reg = <0x83fec000 0x4000>; | |
| 49 | interrupts = <87>; | |
| 50 | phy-mode = "mii"; | |
| 51 | phy-reset-gpios = <&gpio2 14 0>; /* GPIO2_14 */ | |
| 52 | local-mac-address = [00 04 9F 01 1B B9]; | |
| 53 | phy-supply = <®_fec_supply>; | |
| 54 | phy-handle = <ðphy>; | |
| 55 | mdio { | |
| 56 | ethphy: ethernet-phy@6 { | |
| 57 | compatible = "ethernet-phy-ieee802.3-c22"; | |
| 58 | reg = <6>; | |
| 59 | max-speed = <100>; | |
| 60 | }; | |
| 61 | }; | |
| 62 | }; |