[PATCH/RFC v2 01/12] PM / Domains: Add DT bindings for power-on/off latencies
From: geert+renesas@glider.be (Geert Uytterhoeven)
Date: 2014-09-16 18:52:42
Also in:
linux-devicetree, linux-pm, linux-sh, lkml
Subsystem:
generic pm domains, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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@glider.be> Acked-by: Kevin Hilman <redacted> --- v2: - Add Acked-by --- 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 98c16672ab5f49e0..7bc421d84367d636 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 at 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
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1.9.1