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    Subject[PATCH v3 03/13] PM / Domains: Add DT bindings for PM QoS device latencies
    Date
    PM QoS device start/stop and save/restore state latencies are more or
    less 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>
    ---
    Should these properties be called "linux,*-latency"?

    v3:
    - No changes
    v2:
    - New

    Documentation/devicetree/bindings/power/power_domain.txt | 10 ++++++++++
    1 file changed, 10 insertions(+)

    diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt
    index 7bc421d84367d636..024815bc257723b1 100644
    --- a/Documentation/devicetree/bindings/power/power_domain.txt
    +++ b/Documentation/devicetree/bindings/power/power_domain.txt
    @@ -42,12 +42,22 @@ Required properties:
    - power-domains : A phandle and PM domain specifier as defined by bindings of
    the power controller specified by phandle.

    +Optional properties:
    + - stop-latency: Stop latency of the device, in ns,
    + - start-latency: Start latency of the device, in ns,
    + - save-state-latency: Save-state latency of the device, in ns,
    + - restore-state-latency: Restore-state latency of the device, in ns.
    +
    Example:

    leaky-device@12350000 {
    compatible = "foo,i-leak-current";
    reg = <0x12350000 0x1000>;
    power-domains = <&power 0>;
    + stop-latency = <250000>;
    + start-latency = <250000>;
    + save-state-latency = <250000>;
    + restore-state-latency = <250000>;
    };

    The node above defines a typical PM domain consumer device, which is located
    --
    1.9.1


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