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