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dt-bindings: net: Add fixed-link support 

Update device-tree binding with fixed-link support.

With fixed-link support the formerly required property 'phy-handle'
is now optional if 'fixed-link' child is present.

Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Moritz Fischer 2019-02-04 09:30:40 -08:00 committed by David S. Miller
parent 8dc0ae90ad
commit baaac2fb0d
1 changed files with 32 additions and 1 deletions
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33
Documentation/devicetree/bindings/net/nixge.txt
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@ -12,12 +12,14 @@ Required properties:
- interrupts: Should contain tx and rx interrupt
- interrupt-names: Should be "rx" and "tx"
- phy-mode: See ethernet.txt file in the same directory.
- phy-handle: See ethernet.txt file in the same directory.
- nvmem-cells: Phandle of nvmem cell containing the MAC address
- nvmem-cell-names: Should be "address"
Optional properties:
- mdio subnode to indicate presence of MDIO controller
- fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
Use instead of phy-handle.
- phy-handle: See ethernet.txt file in the same directory.
Examples (10G generic PHY):
nixge0: ethernet@40000000 {
@ -59,3 +61,32 @@ Examples (10G generic PHY, no MDIO):
phy-mode = "xgmii";
phy-handle = <&ethernet_phy1>;
};
Examples (1G generic fixed-link + MDIO):
nixge0: ethernet@40000000 {
compatible = "ni,xge-enet-2.00";
reg = <0x40000000 0x6000>;
nvmem-cells = <&eth1_addr>;
nvmem-cell-names = "address";
interrupts = <0 29 IRQ_TYPE_LEVEL_HIGH>, <0 30 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "rx", "tx";
interrupt-parent = <&intc>;
phy-mode = "xgmii";
fixed-link {
speed = <1000>;
pause;
link-gpios = <&gpio0 63 GPIO_ACTIVE_HIGH>;
};
mdio {
ethernet_phy1: ethernet-phy@4 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <4>;
};
};
};