Re: [PATCH v2 1/3] dt-bindings: usb: ci-hdrc-usb2: add property disable-runtime-pm

Rob Herring
2020-07-16T19:24:56Z

On Tue, Jul 14, 2020 at 05:18:20PM +0200, Philippe Schenker wrote:
> Chipidea depends on some hardware signals to be there in order
> for runtime-pm to work well. Add the possibility to disable runtime
> power management that is necessary for certain boards.

This is why we have SoC specific compatible strings. Use that.

>
> Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
> ---
>
> Changes in v2: None
>
> Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
> index 51376cbe5f3d..67a31df13e69 100644
> --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
> +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
> @@ -90,6 +90,7 @@ Optional properties:
> case, the "idle" state needs to pull down the data and strobe pin
> and the "active" state needs to pull up the strobe pin.
> - pinctrl-n: alternate pin modes
> +- disable-runtime-pm: This disables the runtime power management.

This is a Linux feature, not h/w description or config.

>
> i.mx specific properties
> - fsl,usbmisc: phandler of non-core register device, with one
> --
> 2.27.0
>