Documentation: arm: define DT idle states bindings

[karo-tx-linux.git] / Documentation / devicetree / bindings / arm / cpus.txt

diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt
index 298e2f6b33c63a3ce1241b71dce1c2d65164c1b3..6fd0f15e899afb3fe9095b3ad718ed0213228fe6 100644 (file)
--- a/Documentation/devicetree/bindings/arm/cpus.txt
+++ b/Documentation/devicetree/bindings/arm/cpus.txt
@@ -219,6 +219,12 @@ nodes to be present and contain the properties described below.
                Value type: <phandle>
                Definition: Specifies the ACC[2] node associated with this CPU.
 
+       - cpu-idle-states
+               Usage: Optional
+               Value type: <prop-encoded-array>
+               Definition:
+                       # List of phandles to idle state nodes supported
+                         by this cpu [3].
 
 Example 1 (dual-cluster big.LITTLE system 32-bit):
 
@@ -415,3 +421,5 @@ cpus {
 --
 [1] arm/msm/qcom,saw2.txt
 [2] arm/msm/qcom,kpss-acc.txt
+[3] ARM Linux kernel documentation - idle states bindings
+    Documentation/devicetree/bindings/arm/idle-states.txt