[PATCH] documentation/powerpc: add bus-frequency property to SOC node

Updated SOC node definition in documentation to include bus-frequency
property. Also extended mdio example to match specification.

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Kumar Gala <galak@gate.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 1284498e847c..54e5f9b1536d 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -880,6 +880,10 @@ address which can extend beyond that limit.
     - device_type : Should be "soc"
     - ranges : Should be defined as specified in 1) to describe the
       translation of SOC addresses for memory mapped SOC registers.
+    - bus-frequency: Contains the bus frequency for the SOC node.
+      Typically, the value of this field is filled in by the boot
+      loader. 
+
 
   Recommended properties:
 
@@ -919,6 +923,7 @@ SOC.
                 device_type = "soc";
                 ranges = <00000000 e0000000 00100000>
                 reg = <e0000000 00003000>;
+                bus-frequency = <0>;
         }
 
 
@@ -1170,6 +1175,8 @@ platforms are moved over to use the flattened-device-tree model.
 
         mdio@24520 {
                 reg = <24520 20>;
+                device_type = "mdio"; 
+                compatible = "gianfar";
 
                 ethernet-phy@0 {
                         ......
@@ -1317,6 +1324,7 @@ not necessary as they are usually the same as the root node.
                 device_type = "soc";
                 ranges = <00000000 e0000000 00100000>
                 reg = <e0000000 00003000>;
+                bus-frequency = <0>;
 
                 mdio@24520 {
                         reg = <24520 20>;