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SMSC LAN91c111 Ethernet mac
Required properties:
- compatible = "smsc,lan91c111";
- reg : physical address and size of registers
- interrupts : interrupt connection
Optional properties:
- phy-device : see ethernet.txt file in the same directory
- reg-io-width : Mask of sizes (in bytes) of the IO accesses that
are supported on the device. Valid value for SMSC LAN91c111 are
1, 2 or 4. If it's omitted or invalid, the size would be 2 meaning
16-bit access only.
- power-gpios: GPIO to control the PWRDWN pin
- reset-gpios: GPIO to control the RESET pin
- pxa-u16-align4 : Boolean, put in place the workaround the force all
u16 writes to be 32 bits aligned
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