net: usb: asix: allow optionally getting mac address from device tree

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For Embedded use where e.g. AX88772B chips may be used without external
EEPROMs the boot loader may choose to pass the MAC address to be used
via device tree. Therefore, allow for optionally getting the MAC
address from device tree data e.g. as follows (excerpt from a T30 based
board, local-mac-address to be filled in by boot loader):

/* EHCI instance 1: USB2_DP/N -> AX88772B */
usb@7d004000 {
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;
	asix@1 {
		reg = <1>;
		local-mac-address = [00 00 00 00 00 00];
	};
};

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Marcel Ziswiler 2018-07-03 17:06:49 +02:00 • committed by David S. Miller

parent 30e99ed6db

commit 03fc5d4ffb

1 changed files with 23 additions and 15 deletions

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38

drivers/net/usb/asix_devices.c

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