[PATCH v3 02/13] PM / Domains: Add DT bindings for power-on/off latencies
From: Ulf Hansson <hidden>
Date: 2014-09-26 08:19:57
Also in:
linux-devicetree, linux-pm, linux-sh, lkml
On 25 September 2014 18:28, Geert Uytterhoeven [off-list ref] wrote:
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>
Reviewed-by: Ulf Hansson <redacted>
quoted hunk ↗ jump to hunk
--- v3: - No changes 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 --1.9.1