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| -rw-r--r-- | doc/device-tree-bindings/net/phy.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/net/phy.txt b/doc/device-tree-bindings/net/phy.txt new file mode 100644 index 0000000000..6599c667b5 --- /dev/null +++ b/doc/device-tree-bindings/net/phy.txt @@ -0,0 +1,24 @@ +PHY nodes + +If the device tree is used to describe networking interfaces, U-Boot expects a +node for each PHY. Parent node for such a PHY node is expected to correspond to +a MDIO bus and the bus is used to access the PHY. + +Required properties: + + - reg : The ID number for the phy, usually a small integer + +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>; + + resets = <&rst 8>; + reset-names = "phy"; + reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + reset-assert-us = <1000>; + reset-deassert-us = <2000>; +}; |