CPU's idle states are defined by the arm,idle-state compatible flag. See
[1]. PM domains that can contains devices and other domains also has
similar definition for its idle state. Reuse the definition of
arm,idle-state for PM domains by allowing an addition compatible string
("domain-idle-state") to denote idle states that are specific to PM
Domains.
[1]. Documentation/devicetree/bindings/arm/idle-states.txt
Cc: <devicetree@xxxxxxxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Suggested-by: Sudeep Holla <sudeep.holla@xxxxxxx>
Signed-off-by: Lina Iyer <lina.iyer@xxxxxxxxxx>
---
Documentation/devicetree/bindings/arm/idle-states.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/idle-states.txt b/Documentation/devicetree/bindings/arm/idle-states.txt
index b8e41c1..4b0ff59 100644
--- a/Documentation/devicetree/bindings/arm/idle-states.txt
+++ b/Documentation/devicetree/bindings/arm/idle-states.txt
@@ -271,6 +271,9 @@ follows:
Usage: Required
Value type: <stringlist>
Definition: Must be "arm,idle-state".
+ Additionally, nodes that are used to describe a
+ idle-state of PM domain must also define
+ "domain-idle-state" as compatible string.
- local-timer-stop
Usage: See definition
--
2.7.4
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