From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753983Ab3JBPwu (ORCPT ); Wed, 2 Oct 2013 11:52:50 -0400 Received: from mail-wi0-f171.google.com ([209.85.212.171]:48469 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753188Ab3JBPws (ORCPT ); Wed, 2 Oct 2013 11:52:48 -0400 Date: Wed, 2 Oct 2013 16:52:41 +0100 From: Lee Jones To: Laxman Dewangan Cc: sameo@linux.intel.com, broonie@kernel.org, linus.walleij@linaro.org, akpm@linux-foundation.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, rtc-linux@googlegroups.com, rob.herring@calxeda.com, mark.rutland@arm.com, pawel.moll@arm.com, swarren@wwwdotorg.org, rob@landley.net, ijc+devicetree@hellion.org.uk, grant.likely@linaro.org, Florian Lobmaier Subject: Re: [PATCH V4 1/3] mfd: add support for ams AS3722 PMIC Message-ID: <20131002155241.GN9048@lee--X1> References: <1380729030-25896-1-git-send-email-ldewangan@nvidia.com> <1380729030-25896-2-git-send-email-ldewangan@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1380729030-25896-2-git-send-email-ldewangan@nvidia.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 02 Oct 2013, Laxman Dewangan wrote: > The ams AS3722 is a compact system PMU suitable for mobile phones, > tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down > controller, 11 LDOs, RTC, automatic battery, temperature and > over-current monitoring, 8 GPIOs, ADC and a watchdog. > > Add MFD core driver for the AS3722 to support core functionality. > > Signed-off-by: Laxman Dewangan > Signed-off-by: Florian Lobmaier > --- > Changes from V1: > - Remove compatible string from DT for subnode. > - Nit cleanups in driver and use module_i2c_driver > > Changes from V2: > - Change DT file to reflect the changes in gpio/pincntrl driver. > Now there is no extra subnode. > > Changes from V3: > - Combine DT of pincontrol and regulator to mfd. > - Nits cleanups. > - AMS to ams. > > Documentation/devicetree/bindings/mfd/as3722.txt | 174 +++++++++ > drivers/mfd/Kconfig | 12 + > drivers/mfd/Makefile | 1 + > drivers/mfd/as3722.c | 449 ++++++++++++++++++++++ > include/linux/mfd/as3722.h | 423 ++++++++++++++++++++ > 5 files changed, 1059 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/mfd/as3722.txt > create mode 100644 drivers/mfd/as3722.c > create mode 100644 include/linux/mfd/as3722.h > +Required properties: > +------------------- > +- compatible: Must be "ams,as3722". > +- reg: I2C device address. > +- interrupt-controller: AS3722 has internal interrupt controller which takes the > + interrupt request from internal sub-blocks like RTC, regulators, Silly nit: Attention to detail 'from..internal'. > GPIOs as well >80 chars > + as external input. > +- #interrupt-cells: Should be set to 2 for IRQ number and flags. > + The first cell is the IRQ number. > + The second cell is the flags, encoded as the trigger masks from binding document >80 chars > +Optional properties: > +------------------- > +The input supply of regulators are the optional properties on the > +regulator node. The input supply of these regulators are provided > +through following properties: > +vsup-sd2-supply: Input supply for SD2. > +vsup-sd3-supply: Input supply for SD3. > +vsup-sd4-supply: Input supply for SD4. > +vsup-sd5-supply: Input supply for SD5. > +vin-ldo0-supply: Input supply for LDO0. > +vin-ldo1-6-supply: Input supply for LDO1 and LDO6. > +vin-ldo2-5-7-supply: Input supply for LDO2, LDO5 and LDO7. > +vin-ldo3-4-supply: Input supply for LDO3 and LDO4. > +vin-ldo9-10-supply: Input supply for LDO9 and LDO10. > +vin-ldo11-supply: Input supply for LDO11. Perhaps some indentation would be good here. > +Optional sub nodes: > +----------------- > + The subnodes name is the name of regulator and it must be one of: > + sd[0-6], ldo[0-7], ldo[9-11] > + > + Each sub-node should contain the constraints and initialization > + information for that regulator. See regulator.txt for a description > + of standard properties for these sub-nodes. > + Additional custom properties are listed below. Silly nit: Attention to detail 'properties..are'. Besides all that stuff that's actually not all that important, the code looks pretty good to me. For the !DT MFD stuff: Acked-by: Lee Jones -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog