| PHY nodes | |
| Required properties: | |
| - interrupts : interrupt specifier for the sole interrupt. | |
| - interrupt-parent : the phandle for the interrupt controller that | |
| services interrupts for this device. | |
| - reg : The ID number for the phy, usually a small integer | |
| Optional Properties: | |
| - compatible: Compatible list, may contain | |
| "ethernet-phy-ieee802.3-c22" or "ethernet-phy-ieee802.3-c45" for | |
| PHYs that implement IEEE802.3 clause 22 or IEEE802.3 clause 45 | |
| specifications. If neither of these are specified, the default is to | |
| assume clause 22. | |
| If the PHY reports an incorrect ID (or none at all) then the | |
| "compatible" list may contain an entry with the correct PHY ID in the | |
| form: "ethernet-phy-idAAAA.BBBB" where | |
| AAAA - The value of the 16 bit Phy Identifier 1 register as | |
| 4 hex digits. This is the chip vendor OUI bits 3:18 | |
| BBBB - The value of the 16 bit Phy Identifier 2 register as | |
| 4 hex digits. This is the chip vendor OUI bits 19:24, | |
| followed by 10 bits of a vendor specific ID. | |
| The compatible list should not contain other values than those | |
| listed here. | |
| - max-speed: Maximum PHY supported speed (10, 100, 1000...) | |
| - broken-turn-around: If set, indicates the PHY device does not correctly | |
| release the turn around line low at the end of a MDIO transaction. | |
| - enet-phy-lane-swap: If set, indicates the PHY will swap the TX/RX lanes to | |
| compensate for the board being designed with the lanes swapped. | |
| - enet-phy-lane-no-swap: If set, indicates that PHY will disable swap of the | |
| TX/RX lanes. This property allows the PHY to work correcly after e.g. wrong | |
| bootstrap configuration caused by issues in PCB layout design. | |
| - eee-broken-100tx: | |
| - eee-broken-1000t: | |
| - eee-broken-10gt: | |
| - eee-broken-1000kx: | |
| - eee-broken-10gkx4: | |
| - eee-broken-10gkr: | |
| Mark the corresponding energy efficient ethernet mode as broken and | |
| request the ethernet to stop advertising it. | |
| - phy-is-integrated: If set, indicates that the PHY is integrated into the same | |
| physical package as the Ethernet MAC. If needed, muxers should be configured | |
| to ensure the integrated PHY is used. The absence of this property indicates | |
| the muxers should be configured so that the external PHY is used. | |
| Example: | |
| ethernet-phy@0 { | |
| compatible = "ethernet-phy-id0141.0e90", "ethernet-phy-ieee802.3-c22"; | |
| interrupt-parent = <&PIC>; | |
| interrupts = <35 IRQ_TYPE_EDGE_RISING>; | |
| reg = <0>; | |
| }; |