From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752849AbbJEKCU (ORCPT ); Mon, 5 Oct 2015 06:02:20 -0400 Received: from mail-wi0-f171.google.com ([209.85.212.171]:36742 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752447AbbJEKCS (ORCPT ); Mon, 5 Oct 2015 06:02:18 -0400 Date: Mon, 5 Oct 2015 11:02:14 +0100 From: Lee Jones To: Charles Keepax Cc: cw00.choi@samsung.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, myungjoo.ham@samsung.com, broonie@kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com Subject: Re: [PATCH v2 4/5] mfd: arizona: Update DT binding documentation for mic detection Message-ID: <20151005100214.GK3243@x1> References: <1443803363-3251-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> <1443803363-3251-5-git-send-email-ckeepax@opensource.wolfsonmicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1443803363-3251-5-git-send-email-ckeepax@opensource.wolfsonmicro.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 Fri, 02 Oct 2015, Charles Keepax wrote: > Add additional bindings to allow configuration of the system specific > microphone detection settings. > > Signed-off-by: Charles Keepax > --- > Documentation/devicetree/bindings/mfd/arizona.txt | 21 +++++++++++++++++++++ > include/dt-bindings/mfd/arizona.h | 5 +++++ > 2 files changed, 26 insertions(+), 0 deletions(-) You either need a sound guy or a DT guy or both to Ack this. > diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt > index a8fee60..b98a11b 100644 > --- a/Documentation/devicetree/bindings/mfd/arizona.txt > +++ b/Documentation/devicetree/bindings/mfd/arizona.txt > @@ -73,6 +73,27 @@ Optional properties: > If this node is not mentioned or if the value is unknown, then > headphone detection mode is set to HPDETL. > > + - wlf,micd-software-compare : Use a software comparison to determine mic > + presence > + - wlf,micd-detect-debounce : Additional software microphone detection > + debounce specified in milliseconds. > + - wlf,micd-pol-gpio : GPIO specifier for the GPIO controlling the headset > + polarity if one exists. > + - wlf,micd-bias-start-time : Time allowed for MICBIAS to startup prior to > + performing microphone detection, specified as per the ARIZONA_MICD_TIME_XXX > + defines. > + - wlf,micd-rate : Delay between successive microphone detection measurements, > + specified as per the ARIZONA_MICD_TIME_XXX defines. > + - wlf,micd-dbtime : Microphone detection hardware debounces specified as the > + number of measurements to take, valid values being 2 and 4. > + - wlf,micd-timeout : Timeout for microphone detection, specified in > + milliseconds. > + - wlf,micd-force-micbias : Force MICBIAS continuously on during microphone > + detection. > + > + - wlf,gpsw : Settings for the general purpose switch, set as one of the > + ARIZONA_GPSW_XXX defines. > + > - DCVDD-supply, MICVDD-supply : Power supplies, only need to be specified if > they are being externally supplied. As covered in > Documentation/devicetree/bindings/regulator/regulator.txt > diff --git a/include/dt-bindings/mfd/arizona.h b/include/dt-bindings/mfd/arizona.h > index c40f665..dedf46f 100644 > --- a/include/dt-bindings/mfd/arizona.h > +++ b/include/dt-bindings/mfd/arizona.h > @@ -110,4 +110,9 @@ > #define ARIZONA_ACCDET_MODE_HPM 4 > #define ARIZONA_ACCDET_MODE_ADC 7 > > +#define ARIZONA_GPSW_OPEN 0 > +#define ARIZONA_GPSW_CLOSED 1 > +#define ARIZONA_GPSW_CLAMP_ENABLED 2 > +#define ARIZONA_GPSW_CLAMP_DISABLED 3 > + > #endif -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog