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dts: Add a binding for Synopsys emac max-frame-size 

This change adds a parameter for the Synopsys 10/100/1000
stmmac Ethernet driver to configure the maximum frame
size supported by the EMAC driver. Synopsys allows the FIFO
sizes to be configured when the cores are built for a particular
device, but do not provide a way for the driver to read
information from the device about the maximum MTU size
supported as limited by the device's FIFO size.

Signed-off-by: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Vince Bridgers 2014-01-20 05:39:00 -06:00 committed by David S. Miller
parent 08d4d217df
commit 369ea818bc
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/net/stmmac.txt
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@ -32,6 +32,8 @@ Optional properties:
- resets: Should contain a phandle to the STMMAC reset signal, if any
- reset-names: Should contain the reset signal name "stmmaceth", if a
reset phandle is given
- max-frame-size: Maximum Transfer Unit (IEEE defined MTU), rather
than the maximum frame size.
Examples:
@ -42,5 +44,6 @@ Examples:
interrupts = <24 23>;
interrupt-names = "macirq", "eth_wake_irq";
mac-address = [000000000000]; /* Filled in by U-Boot */
max-frame-size = <3800>;
phy-mode = "gmii";
};