[PATCH v2] using mii-bitbang on different processor ports - update the booting-without-of.txt-file

[Sergej Stepanov]

The patch updates the booting-without-of.txt-file.
There is a description for the case
if mdio data and clock pins are on different processor ports.
It extends the "[PATCH v3] using mii-bitbang on different processor ports".

Signed-off-by: Sergej Stepanov <Sergej.Stepanov at ids.de>
Signed-off-by: Scott Wood <scottwood at freescale.com>
--

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 497d8d8..084d31b 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -1936,11 +1936,15 @@ platforms are moved over to use the flattened-device-tree model.
 
    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)
+   fsl,cpm2-mdio-bitbang
 
    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
+   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
 
    Example: