From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755038AbdCaSuB (ORCPT ); Fri, 31 Mar 2017 14:50:01 -0400 Received: from mail-oi0-f68.google.com ([209.85.218.68]:35661 "EHLO mail-oi0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754234AbdCaSuA (ORCPT ); Fri, 31 Mar 2017 14:50:00 -0400 Date: Fri, 31 Mar 2017 13:49:57 -0500 From: Rob Herring To: Nandor Han Cc: linus.walleij@linaro.org, gnurou@gmail.com, mark.rutland@arm.com, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] doc,dts - add XRA1403 DTS binding documentation Message-ID: <20170331184957.bpnsgzevvfypq5ls@rob-hp-laptop> References: <39ba92bacf48da957f8f85d5cb11d3254fe3d68f.1490595641.git.nandor.han@ge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <39ba92bacf48da957f8f85d5cb11d3254fe3d68f.1490595641.git.nandor.han@ge.com> User-Agent: Mutt/1.6.2-neo (2016-08-21) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 27, 2017 at 09:23:01AM +0300, Nandor Han wrote: > Add the XRA1403 DTS binding documentation. "dt-bindings: gpio: ..." for the subject prefix please. > > Signed-off-by: Nandor Han > --- > .../devicetree/bindings/gpio/gpio-xra1403.txt | 37 ++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-xra1403.txt > > diff --git a/Documentation/devicetree/bindings/gpio/gpio-xra1403.txt b/Documentation/devicetree/bindings/gpio/gpio-xra1403.txt > new file mode 100644 > index 0000000..ccf5337 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/gpio-xra1403.txt > @@ -0,0 +1,37 @@ > +GPIO Driver for XRA1403 16-BIT GPIO Expander With Reset Input from EXAR > + > +The XRA1403 is an 16-bit GPIO expander with an SPI interface. Features available: > + - Individually programmable inputs: > + - Internal pull-up resistors > + - Polarity inversion > + - Individual interrupt enable > + - Rising edge and/or Falling edge interrupt > + - Input filter > + - Individually programmable outputs > + - Output Level Control > + - Output Three-State Control > + > +Properties > +---------- > +Check documentation for SPI and GPIO controllers regarding properties needed to configure the node. > + > + - compatible = "exar,xra1403". > + - reg = SPI id of the device. > + - gpio-controller: mark the node as gpio. #gpio-cells? > + > +Optional properties: > +------------------- > + - reset-gpios: in case available used to control the device reset line. > + > +Example > +-------- > + > + gpioxra0: gpio@2 { > + compatible = "exar,xra1403"; > + reg = <2>; > + gpio-controller; > + #gpio-cells = <2>; > + reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>; > + spi-max-frequency = <1000000>; > + status = "okay"; Don't show status in examples. > + }; > -- > 2.10.1 >