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

Stephen Boyd sboyd at codeaurora.org
Fri Sep 26 08:28:35 PDT 2014


> On 25 September 2014 18:28, Geert Uytterhoeven <geert+renesas at glider.be> wrote:
> > +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>;

This assumes every power domain within a power controller has the
same latencies? That isn't always true. This should be an array
of values corresponding to the number of power domains if
#power-domain-cells is 1, or just one value if the cell count is
0.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation



More information about the linux-arm-kernel mailing list