[PATCH 1/2] PM / Domains: Define DT bindings for PM QoS device latencies

[Ulf Hansson <ulf.hansson@linaro.org>]

PM QoS device latencies are properties of the hardware. Let's define some
DT bindings for them.

Suggested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
 Documentation/devicetree/bindings/power/power_domain.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt
index 025b5e7..b101a20 100644
--- a/Documentation/devicetree/bindings/power/power_domain.txt
+++ b/Documentation/devicetree/bindings/power/power_domain.txt
@@ -65,12 +65,18 @@ Required properties:
  - power-domains : A phandle and PM domain specifier as defined by bindings of
                    the power controller specified by phandle.
 
+Optional properties:
+ - suspend-latency: Suspend latency of the device in ns.
+ - resume-latency: Resume latency of the device in ns.
+
 Example:
 
 	leaky-device@12350000 {
 		compatible = "foo,i-leak-current";
 		reg = <0x12350000 0x1000>;
 		power-domains = <&power 0>;
+		suspend-latency = <250000>;
+		resume-latency = <250000>;
 	};
 
 The node above defines a typical PM domain consumer device, which is located
-- 
1.9.1