From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH 4/4] dt-bindings: phy-rockchip-inno-usb2: add new rockchip,force-bvalid property. Date: Thu, 10 Jan 2019 13:31:41 +0100 Message-ID: <4750582.8aBUlXA8d6@phil> References: <20180815095934.11205-1-enric.balletbo@collabora.com> <20180815222604.GB8193@rob-hp-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Enric Balletbo Serra Cc: Rob Herring , Enric Balletbo i Serra , Mark Rutland , "devicetree@vger.kernel.org" , Alexandru Stan , Guenter Roeck , Kishon Vijay Abraham I , Frank Wang , kieran.bingham@ideasonboard.com, linux-kernel , "open list:ARM/Rockchip SoC..." , kernel@collabora.com, Benson Leung , Linux ARM List-Id: devicetree@vger.kernel.org Hi Enric, Am Donnerstag, 10. Januar 2019, 10:06:38 CET schrieb Enric Balletbo Serra: > Missatge de Rob Herring del dia dj., 16 d’ag. 2018 a les 0:26: > > > > On Wed, Aug 15, 2018 at 11:59:34AM +0200, Enric Balletbo i Serra wrote: > > > This property is used when the otg-id pin is not connected. When this > > > property is set it forces to set the B-Device Session Valid bit when the > > > port works as device and clears that bit when the port works as host. > > > > > > Signed-off-by: Enric Balletbo i Serra > > > --- > > > > > > .../devicetree/bindings/phy/phy-rockchip-inno-usb2.txt | 5 +++++ > > > 1 file changed, 5 insertions(+) > > > > > > diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt > > > index 2d4808d3920b..55761f466c41 100644 > > > --- a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt > > > +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt > > > @@ -48,6 +48,11 @@ Optional properties: > > > See ./phy-bindings.txt for details. > > > - rockchip,utmi-avalid : boolean, use the avalid register to get vbus status. > > > Otherwise, use the bvalid register. > > > + - rockchip,force-bvalid : boolean, set this to force the B-Device Session > > > + Valid bit when the usb port is in device mode. This > > > + is used when the otg-id pin is not connected. > > > + Only supported in case of compatible being: > > > + * "rockchip,rk3399-usb2phy" > > > > Shouldn't you describe the property of the h/w that ID pin is not > > connected, rather than what you do with that information. > > > > What about "rockchip, otg-id-not-connected"? just pointing back to our discussion in patch3 about simply assuming id-not-connected in the case of the extcon missing I still think that might be the cleaner variant? But I guess you're probably already looking into doing that as so far you only resend the cleanup patches :-) . Heiko