1 files changed, 9 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt
index fc446347ab6d..b2aacbe16ed9 100644
--- a/Documentation/devicetree/bindings/arm/cpus.txt
+++ b/Documentation/devicetree/bindings/arm/cpus.txt
@@ -227,6 +227,15 @@ nodes to be present and contain the properties described below.
                         # List of phandles to idle state nodes supported
                           by this cpu [3].
 
+        - rockchip,pmu
+                Usage: optional for systems that have an "enable-method"
+                       property value of "rockchip,rk3066-smp"
+                       While optional, it is the preferred way to get access to
+                       the cpu-core power-domains.
+                Value type: <phandle>
+                Definition: Specifies the syscon node controlling the cpu core
+                            power domains.
+
 Example 1 (dual-cluster big.LITTLE system 32-bit):
 
         cpus {