Re: [PATCH v3 02/13] PM / Domains: Add DT bindings for power-on/off latencies

From: Ulf Hansson
Date: Fri Sep 26 2014 - 04:20:00 EST


On 25 September 2014 18:28, Geert Uytterhoeven <geert+renesas@xxxxxxxxx> 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@xxxxxxxxx>
> Acked-by: Kevin Hilman <khilman@xxxxxxxxxx>

Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>

> ---
> 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@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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