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Date: Tue, 16 Sep 2014 20:48:48 +0200 From: Geert Uytterhoeven <geert+renesas@...der.be> To: "Rafael J. Wysocki" <rjw@...ysocki.net>, Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>, Simon Horman <horms@...ge.net.au>, Magnus Damm <magnus.damm@...il.com>, Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org> Cc: Ulf Hansson <ulf.hansson@...aro.org>, Tomasz Figa <tomasz.figa@...il.com>, Philipp Zabel <philipp.zabel@...il.com>, Grygorii Strashko <grygorii.strashko@...com>, Kevin Hilman <khilman@...aro.org>, linux-pm@...r.kernel.org, devicetree@...r.kernel.org, linux-sh@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Geert Uytterhoeven <geert+renesas@...der.be> Subject: [PATCH/RFC v2 01/12] PM / Domains: Add DT bindings for power-on/off latencies 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@...der.be> Acked-by: Kevin Hilman <khilman@...aro.org> --- 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@...40000 { 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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