Message ID | 1523973206-2165-1-git-send-email-yossim@codeaurora.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Tue, Apr 17, 2018 at 04:53:25PM +0300, Yossi Mansharoff wrote: > The chipidea usb controller may be connected, in some platforms, > to an external mux to toggle between different usb ports for > different roles (host and device). > > The mux-controller property, if set, binds the chipidea usb > controller with a mux for this use. > > Signed-off-by: Yossi Mansharoff <yossim@codeaurora.org> > --- > Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 6 ++++++ > 1 file changed, 6 insertions(+) Reviewed-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index 0e03344..2e93181 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -76,6 +76,10 @@ Optional properties: needs to make sure it does not send more than 90% maximum_periodic_data_per_frame. The use case is multiple transactions, but less frame rate. +- mux-controls: The mux control for toggling host/device output of this + controller. It's expected that a mux state of 0 indicates device mode and a + mux state of 1 indicates host mode. +- mux-control-names: Shall be "usb_switch" if mux-controls is specified. i.mx specific properties - fsl,usbmisc: phandler of non-core register device, with one @@ -102,4 +106,6 @@ Example: rx-burst-size-dword = <0x10>; extcon = <0>, <&usb_id>; phy-clkgate-delay-us = <400>; + mux-controls = <&usb_switch>; + mux-control-names = "usb_switch"; };
The chipidea usb controller may be connected, in some platforms, to an external mux to toggle between different usb ports for different roles (host and device). The mux-controller property, if set, binds the chipidea usb controller with a mux for this use. Signed-off-by: Yossi Mansharoff <yossim@codeaurora.org> --- Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 6 ++++++ 1 file changed, 6 insertions(+)