From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753451AbcEQL1N (ORCPT ); Tue, 17 May 2016 07:27:13 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:8100 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751937AbcEQL1L convert rfc822-to-8bit (ORCPT ); Tue, 17 May 2016 07:27:11 -0400 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Tue, 17 May 2016 04:26:00 -0700 From: Venkat Reddy Talla To: Rob Herring CC: MyungJoo Ham , Chanwoo Choi , Pawel Moll , Mark Rutland , Ian Campbell , "Kumar Gala" , "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , Laxman Dewangan Subject: RE: [PATCH 2/2] extcon: gpio: add DT binding doc for extcon-gpio Thread-Topic: [PATCH 2/2] extcon: gpio: add DT binding doc for extcon-gpio Thread-Index: AQHRpP+qlm9xW31kYUm+c65rPWKmN5+oyEmAgBRI6hA= Date: Tue, 17 May 2016 11:27:05 +0000 Message-ID: References: <1462254591-8907-1-git-send-email-vreddytalla@nvidia.com> <1462254591-8907-2-git-send-email-vreddytalla@nvidia.com> <20160504133037.GA23334@rob-hp-laptop> In-Reply-To: <20160504133037.GA23334@rob-hp-laptop> Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.24.193.27] MIME-Version: 1.0 Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks for review, please find my inline reply. > -----Original Message----- > From: Rob Herring [mailto:robh@kernel.org] > Sent: Wednesday, May 04, 2016 7:01 PM > To: Venkat Reddy Talla > Cc: MyungJoo Ham; Chanwoo Choi; Pawel Moll; Mark Rutland; Ian Campbell; > Kumar Gala; linux-kernel@vger.kernel.org; devicetree@vger.kernel.org; > Laxman Dewangan > Subject: Re: [PATCH 2/2] extcon: gpio: add DT binding doc for extcon-gpio > > On Tue, May 03, 2016 at 11:19:51AM +0530, Venkat Reddy Talla wrote: > > Addiing DT binding doc for the extcon gpios properties. > > > > Signed-off-by: Venkat Reddy Talla > > --- > > .../devicetree/bindings/extcon/extcon-gpio.txt | 19 > +++++++++++++++++++ > > 1 file changed, 19 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/extcon/extcon-gpio.txt > > > > diff --git a/Documentation/devicetree/bindings/extcon/extcon-gpio.txt > > b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt > > new file mode 100644 > > index 0000000..4a49c23 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt > > @@ -0,0 +1,19 @@ > > +EXTCON FOR GPIO > > This needs a better description of what this is and what h/w this applies to. > I will take care in my next patch. > > + > > +Required Properties: > > + - compatible : Should be "extcon-gpio"; > > + > > +Optional Properties: > > + - extcon-gpio,name: Name of extcon device. > > + - gpio: gpio number. > > Should be 'gpios'. > OK, I will take care in my next patch. > > + - extcon-gpio,irq-flags: IRQ flags for GPIO. > > If this is an interrupt, then you should be using the interrupts property. > Need to provide GPIO number instead of interrupt from DTS to read GPIO value when external connected attached/detached and also driver supports platform data with passing GPIO number. So need to pass irq-flags using separate dts property or need to hardcode in driver. > > + - extcon-gpio,debounce: Debounce time in ms. > > extcon-gpio is not a vendor prefix, so drop it. > > Add unit suffix (-ms). > OK, I will take care in my next patch. > > + - extcon-gpio,connection-state-low: boolean, Connection state with > > + gpio state. True if gpio low means connected. > > The active state should be in the GPIO flags cell. > OK, I will take care in my next patch. > > + > > +extcon-gpio { > > + compatible = "extcon-gpio"; > > + extcon-gpio,name = "VBUS"; > > How is VBus a gpio? > Here VBUS is not gpio number, VBUS is extcon device name, extcon gpio is used to detect VBUS. > > + gpio = <&gpio 20 0>; > > + extcon-gpio,cable-names = ; > > Not documented. > > Rob OK, I will take care in my next patch.