[PATCH] using mii-bitbang on different processor ports - update the booting-without-of.txt-file
Scott Wood
scottwood at freescale.com
Sat Nov 10 03:03:23 EST 2007
Sergej Stepanov wrote:
>> We also need to change the reference to port C in fsl,mdio-pin and
>> fsl,mdc-pin.
> Do you mean this:
> Currently defined compatibles:
> fsl,pq1-fec-mdio (reg is same as first resource of FEC device)
> -> fsl,cpm2-mdio-bitbang (reg is port C registers)
>
> Properties for fsl,cpm2-mdio-bitbang:
> -> fsl,mdio-pin : pin of port C controlling mdio data
> -> fsl,mdc-pin : pin of port C controlling mdio clock
Yes.
> Right. But i thought it would be related to the example,
> and than the reader gets the short comment about I/O ports.
No, the example is the example, and the spec is the spec. :-)
> Or the other variant would be:
> --------------------
> iv) MDIO
>
> Currently defined compatibles:
> fsl,pq1-fec-mdio (reg is same as first resource of FEC device)
> fsl,cpm2-mdio-bitbang (reg is the I/O port register block(s))
>
> Properties for fsl,cpm2-mdio-bitbang:
> The first reg resource is the I/O port register block on which MDIO
> resides. The second reg resource is the I/O port register block on
> which MDC resides. If there is only one reg resource, it is used for
> both MDIO and MDC.
> fsl,mdio-pin : pin of chosen port for controlling mdio data
> fsl,mdc-pin : pin of chosen port for controlling mdio clock
Looks good. We can eliminate the parenthetical for
fsl,cpm2-mdio-bitbang because reg is now explained below.
-Scott
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