PM domain power on/off-latencies are properties of the hardware.
In legacy code, they're specified from platform code.
On DT platforms, their values should come from DT.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
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 98c16672ab5f..7bc421d84367 100644
--- a/Documentation/devicetree/bindings/power/power_domain.txt
+++ b/Documentation/devicetree/bindings/power/power_domain.txt
@@ -19,12 +19,18 @@ Required properties:
providing multiple PM domains (e.g. power controllers), but can be any value
as specified by device tree binding documentation of particular provider.
+Optional properties:
+ - power-on-latency: Power-on latency of the PM domain, in ns,
+ - power-off-latency: Power-off latency of the PM domain, in ns.
+
Example:
power: power-controller@12340000 {
compatible = "foo,power-controller";
reg = <0x12340000 0x1000>;
#power-domain-cells = <1>;
+ power-on-latency = <250000>;
+ power-off-latency = <250000>;
};
The node above defines a power controller that is a PM domain provider and
--
1.9.1
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