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-rw-r--r--Documentation/powerpc/booting-without-of.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 1284498e847..54e5f9b1536 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>;