From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.free-electrons.com ([62.4.15.54]:36173 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751925AbeA3KGe (ORCPT ); Tue, 30 Jan 2018 05:06:34 -0500 Date: Tue, 30 Jan 2018 11:06:21 +0100 From: Alexandre Belloni To: Michael Grzeschik Cc: a.zummo@towertech.it, linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux@roeck-us.net, jdelvare@suse.com, kernel@pengutronix.de, Denis.Osterland@diehl.com Subject: Re: [PATCH 2/4] rtc: isl1208: Add device tree binding documentation Message-ID: <20180130100621.GC2809@piout.net> References: <20180123121801.4214-1-m.grzeschik@pengutronix.de> <20180123121801.4214-3-m.grzeschik@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20180123121801.4214-3-m.grzeschik@pengutronix.de> Sender: linux-rtc-owner@vger.kernel.org List-ID: Hi, On 23/01/2018 at 13:17:59 +0100, Michael Grzeschik wrote: > From: Denis Osterland > > Wrote documentation for ISL1208, ISL1218 device tree > binding with short examples. > This binding is already in Documentation/devicetree/bindings/trivial-devices.txt, no need to duplicate. > Signed-off-by: Denis Osterland > Signed-off-by: Michael Grzeschik > --- > .../devicetree/bindings/rtc/intersil,isl1208.txt | 35 ++++++++++++++++++++++ > 1 file changed, 35 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rtc/intersil,isl1208.txt > > diff --git a/Documentation/devicetree/bindings/rtc/intersil,isl1208.txt b/Documentation/devicetree/bindings/rtc/intersil,isl1208.txt > new file mode 100644 > index 0000000000000..a54e99feae1ca > --- /dev/null > +++ b/Documentation/devicetree/bindings/rtc/intersil,isl1208.txt > @@ -0,0 +1,35 @@ > +Intersil ISL1208, ISL1218 I2C RTC/Alarm chip > + > +ISL1208 is a trivial I2C device (it has simple device tree bindings, > +consisting of a compatible field, an address and possibly an interrupt > +line). > + > +Required properties supported by the device: > + > + - "compatible": must be one of > + "isil,isl1208" > + "isil,isl1218" > + - "reg": I2C bus address of the device > + > +Optional properties: > + > + - "interrupt-parent", "interrupts", "interrupts-extended": > + for passing the interrupt line of the SoC connected to #IRQ pin > + of the RTC chip. > + > + > +Example isl1208 node without #IRQ pin connected: > + > + isl1208: isl1208@68 { > + compatible = "isil,isl1208"; > + reg = <0x68>; > + }; > + > +Example isl1208 node with #IRQ pin connected to SoC gpio1 pin 12: > + > + isl1208: isl1208@68 { > + compatible = "isil,isl1208"; > + reg = <0x68>; > + interrupt-parent = <&gpio1>; > + interrupts = <12 IRQ_TYPE_EDGE_FALLING>; > + }; > -- > 2.11.0 > -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com