Hello,
I need some help interpreting the DTS file for this
board such that I can change it to support our new
Phy. Here is what the DTS file shows unmodified:
[EMAIL PROTECTED] {
device_type = "mdio";
compatible = "gianfar";
reg = <24520 20>;
#address-cells = <1>;
#size-cells = <0>;
phy1: [EMAIL PROTECTED] {
interrupt-parent = < &ipic >;
interrupts = <13 8>;
reg = <1>;
device_type = "ethernet-phy";
};
phy4: [EMAIL PROTECTED] {
interrupt-parent = < &ipic >;
interrupts = <14 8>;
reg = <4>;
device_type = "ethernet-phy";
};
};
[EMAIL PROTECTED] {
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
reg = <24000 1000>;
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <25 8 24 8 23 8>;
interrupt-parent = < &ipic >;
phy-handle = < &phy1 >;
};
[EMAIL PROTECTED] {
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
reg = <25000 1000>;
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <22 8 21 8 20 8>;
interrupt-parent = < &ipic >;
phy-handle = < &phy4 >;
};
What I don't know is what reg = <4> means. Is that
the phy address or the interrupt? For this board that
phy uses IRQ4 and has its address wired to 4. I would
guess it is the IRQ since there is also a phy address
of 0x1c but that does not appear in this DTS file
anywhere.
My phy is the National semi dp83848. It does not use
an IRQ. Should I replace this with zero? Should I
take that line out of the DTS file?
Thanks.
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