From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755008AbbIPKVf (ORCPT ); Wed, 16 Sep 2015 06:21:35 -0400 Received: from mx0b-001ae601.pphosted.com ([67.231.152.168]:53806 "EHLO mx0b-001ae601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754586AbbIPKUn (ORCPT ); Wed, 16 Sep 2015 06:20:43 -0400 From: Charles Keepax To: , CC: , , , , , , , , Subject: [PATCH 5/6] mfd: arizona: Update DT binding documentation for mic detection Date: Wed, 16 Sep 2015 10:56:43 +0100 Message-ID: <1442397404-7579-6-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1442397404-7579-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1442397404-7579-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151,1.0.33,0.0.0000 definitions=2015-09-16_02:2015-09-16,2015-09-16,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1508030000 definitions=main-1509160149 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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(-) 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 -- 1.7.2.5