On Sat, 12 Oct 2013, Peter Chen wrote:
> Add property for supporting runtime power management
>
> Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/usb/ci13xxx-imx.txt | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt b/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt
> index b4b5b79..f666598 100644
> --- a/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt
> +++ b/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt
> @@ -18,6 +18,7 @@ Optional properties:
> - vbus-supply: regulator for vbus
> - disable-over-current: disable over current detect
> - external-vbus-divider: enables off-chip resistor divider for Vbus
> +- supports_runtime_pm: enable runtime pm support
>
> Examples:
> usb@02184000 { /* USB OTG */
> @@ -28,4 +29,5 @@ usb@02184000 { /* USB OTG */
> fsl,usbmisc = <&usbmisc 0>;
> disable-over-current;
> external-vbus-divider;
> + supports_runtime_pm;
> };
This does not sound like a property of the hardware. What's the
_hardware_ difference between parts that support runtime PM and parts
that don't?
Alan Stern
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