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Documentation: add Broadcom SYSTEMPORT Device Tree bindings

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Add the Device Tree bindings documentation for the Broadcom SYSTEMPORT
Ethernet MAC controller hardware.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli 2014-04-24 18:08:58 -07:00 committed by David S. Miller
parent 80105befdb
commit fcecaeb026
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Documentation/devicetree/bindings/net/broadcom-systemport.txt Normal file
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* Broadcom BCM7xxx Ethernet Systemport Controller (SYSTEMPORT)
Required properties:
- compatible: should be one of "brcm,systemport-v1.00" or "brcm,systemport"
- reg: address and length of the register set for the device.
- interrupts: interrupts for the device, first cell must be for the the rx
interrupts, and the second cell should be for the transmit queues
- local-mac-address: Ethernet MAC address (48 bits) of this adapter
- phy-mode: Should be a string describing the PHY interface to the
Ethernet switch/PHY, see Documentation/devicetree/bindings/net/ethernet.txt
- fixed-link: see Documentation/devicetree/bindings/net/fsl-tsec-phy.txt for
the property specific details
Optional properties:
- systemport,num-tier2-arb: number of tier 2 arbiters, an integer
- systemport,num-tier1-arb: number of tier 1 arbiters, an integer
- systemport,num-txq: number of HW transmit queues, an integer
- systemport,num-rxq: number of HW receive queues, an integer
Example:
ethernet@f04a0000 {
compatible = "brcm,systemport-v1.00";
reg = <0xf04a0000 0x4650>;
local-mac-address = [ 00 11 22 33 44 55 ];
fixed-link = <0 1 1000 0 0>;
phy-mode = "gmii";
interrupts = <0x0 0x16 0x0>,
<0x0 0x17 0x0>;
};