From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 1/2] dt-bindings: usb-xhci: Add usb-phy-port-reset property Date: Mon, 25 Feb 2019 15:38:07 -0600 Message-ID: <20190225213807.GA18852@bogus> References: <1549347534-11320-1-git-send-email-srinath.mannam@broadcom.com> <1549347534-11320-2-git-send-email-srinath.mannam@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1549347534-11320-2-git-send-email-srinath.mannam@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org To: Srinath Mannam Cc: Greg Kroah-Hartman , Mathias Nyman , Mark Rutland , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org On Tue, Feb 05, 2019 at 11:48:53AM +0530, Srinath Mannam wrote: > Add usb-phy-port-reset optional property to set quirk in xhci platform > driver which forces USB port PHY reset on port disconnect event. > > Signed-off-by: Srinath Mannam > Reviewed-by: Ray Jui > --- > Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt > index fea8b15..ecbdb15 100644 > --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt > +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt > @@ -40,6 +40,7 @@ Optional properties: > - usb3-lpm-capable: determines if platform is USB3 LPM capable > - quirk-broken-port-ped: set if the controller has broken port disable mechanism > - imod-interval-ns: default interrupt moderation interval is 5000ns > + - usb-phy-port-reset: set this to do USB PORT PHY reset while disconnect > - phys : see usb-hcd.txt in the current directory This should be implied by the HCI or phy compatible string (depending on who exactly needs the quirky behavior). Rob