From patchwork Fri Jan 9 15:22:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Anaszewski X-Patchwork-Id: 27868 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1Y9bYl-0003Ro-Np; Fri, 09 Jan 2015 16:33:11 +0100 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.72/mailfrontend-8) with esmtp id 1Y9bYj-0002Rn-kG; Fri, 09 Jan 2015 16:33:11 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758237AbbAIPcv (ORCPT + 1 other); Fri, 9 Jan 2015 10:32:51 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:55078 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932824AbbAIPYS (ORCPT ); Fri, 9 Jan 2015 10:24:18 -0500 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NHX00M4S1GG8B10@mailout3.samsung.com>; Sat, 10 Jan 2015 00:24:16 +0900 (KST) X-AuditID: cbfee61b-f79d76d0000024d6-62-54aff2a09056 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 5B.B6.09430.0A2FFA45; Sat, 10 Jan 2015 00:24:16 +0900 (KST) Received: from AMDC2362.DIGITAL.local ([106.120.53.23]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0NHX003F51EOLH20@mmp2.samsung.com>; Sat, 10 Jan 2015 00:24:16 +0900 (KST) From: Jacek Anaszewski To: linux-leds@vger.kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org, kyungmin.park@samsung.com, b.zolnierkie@samsung.com, pavel@ucw.cz, cooloney@gmail.com, rpurdie@rpsys.net, sakari.ailus@iki.fi, s.nawrocki@samsung.com, Jacek Anaszewski , Andrzej Hajda , Lee Jones , Chanwoo Choi , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Subject: [PATCH/RFC v10 09/19] DT: Add documentation for the mfd Maxim max77693 Date: Fri, 09 Jan 2015 16:22:59 +0100 Message-id: <1420816989-1808-10-git-send-email-j.anaszewski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1420816989-1808-1-git-send-email-j.anaszewski@samsung.com> References: <1420816989-1808-1-git-send-email-j.anaszewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrHLMWRmVeSWpSXmKPExsVy+t9jQd0Fn9aHGHx+rGlxa905VouNM9az WhzdOZHJ4vqX56wW848AxfrfLGS1OPdqJaNF79XnjBZnm96wW9z/epTR4vKuOWwWW9+sY7To 2bCV1WLp9YtMFndPHWWzmDB9LYtF694j7Ba7dz1ltTj8pp3V4sz+lWwOIh5r5q1h9Ljc18vk sXPWXXaPlcu/sHkc/rqQxWPTqk42jzvX9rB57Jn/g9Wjb8sqRo8Vq7+ze3zeJBfAHcVlk5Ka k1mWWqRvl8CVsaT9FEvBa7mKPX+nMTUw7pXsYuTkkBAwkVi3sJEFwhaTuHBvPRuILSQwnVGi v4m9i5ELyG5nkrh57AxYEZuAocTPF6+Zuhg5OEQEoiUuHasHqWEWmMYi8a99OyNIjbCAv8Se I8uZQWpYBFQlJnTagYR5BTwkpn7tAQtLCChIzJlkA2JyAoVbfjuBmEIC7hJvrhpOYORdwMiw ilE0tSC5oDgpPddIrzgxt7g0L10vOT93EyM4Fp5J72Bc1WBxiFGAg1GJh3eD3PoQIdbEsuLK 3EOMEhzMSiK8DZuBQrwpiZVVqUX58UWlOanFhxilOViUxHmV7NtChATSE0tSs1NTC1KLYLJM HJxSDYxG0zx3/Ti30fr5q8rrfxfmNTYm7990mkXq5dVGkcNyW9Yb5j9MuS+6vtqBWfHI0mNc rd9ar57dopv+fXlb4z/PD7r7ohzzLRfJZS/Ke1Tzb4Wgo5y33nUhoUNXTKf9mHzkx9mJ52Tv rPvnfCel1P3dnA3RXFFbU12C13X43Kn/Gn1rl+PztpbXSizFGYmGWsxFxYkAQ2OjN4ECAAA= Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2015.1.9.152425 X-PMX-Spam: Gauge=IIIIIIIII, Probability=9%, Report=' HTML_NO_HTTP 0.1, MULTIPLE_RCPTS 0.1, HTML_00_10 0.05, BODY_SIZE_4000_4999 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, REFERENCES 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_NAME_BODY 0, __CP_URI_IN_BODY 0, __FRAUD_BADTHINGS 0, __HAS_FROM 0, __HAS_HTML 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MULTIPLE_RCPTS_CC_X2 0, __REFERENCES 0, __SANE_MSGID 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' This patch adds device tree binding documentation for the flash cell of the Maxim max77693 multifunctional device. Signed-off-by: Jacek Anaszewski Signed-off-by: Andrzej Hajda Acked-by: Kyungmin Park Cc: Lee Jones Cc: Chanwoo Choi Cc: Bryan Wu Cc: Richard Purdie Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala Acked-by: Pavel Machek --- Documentation/devicetree/bindings/mfd/max77693.txt | 69 ++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 01e9f30..ef184f0 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -41,7 +41,52 @@ Optional properties: To get more informations, please refer to documentaion. [*] refer Documentation/devicetree/bindings/pwm/pwm.txt +- led : the LED submodule device node + +There are two led outputs available - fled1 and fled2. Each of them can +control a separate led or they can be connected together to double +the maximum current for a single connected led. One led is represented +by one child node. + +Required properties: +- compatible : Must be "maxim,max77693-led". + +Optional properties: +- maxim,trigger-type : Flash trigger type. + Possible trigger types: + MAX77693_LED_TRIG_TYPE_EDGE - Rising edge of the signal triggers + the flash, + MAX77693_LED_TRIG_TYPE_LEVEL - Strobe pulse length controls + duration of the flash. +- maxim,boost-mode : + In boost mode the device can produce up to 1.2A of total current + on both outputs. The maximum current on each output is reduced + to 625mA then. If not enabled explicitly, boost setting defaults to + MAX77693_LED_BOOST_FIXED in case both current sources are used. + Possible values: + MAX77693_LED_BOOST_OFF - no boost, + MAX77693_LED_BOOST_ADAPTIVE - adaptive mode, + MAX77693_LED_BOOST_FIXED - fixed mode. +- maxim,boost-vout : Output voltage of the boost module in millivolts. +- maxim,vsys-min : Low input voltage level in millivolts. Flash is not fired + if chip estimates that system voltage could drop below this level due + to flash power consumption. + +Required properties of the LED child node: +- label : see Documentation/devicetree/bindings/leds/common.txt +- led-sources : see Documentation/devicetree/bindings/leds/common.txt + +Optional properties of the LED child node: +- max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Range: 15625 - 250000 +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Range: 15625 - 1000000 +- flash-timeout-us : see Documentation/devicetree/bindings/leds/common.txt + Range: 62500 - 1000000 + Example: +#include + max77693@66 { compatible = "maxim,max77693"; reg = <0x66>; @@ -73,4 +118,28 @@ Example: pwms = <&pwm 0 40000 0>; pwm-names = "haptic"; }; + + led { + compatible = "maxim,max77693-led"; + maxim,trigger-type = ; + maxim,boost-mode = ; + maxim,boost-vout = <5000>; + maxim,vsys-min = <2400>; + + camera1_flash: led1 { + label = "max77693-flash1"; + led-sources = <1 0>; + max-microamp = <250000>; + flash-max-microamp = <625000>; + flash-timeout-us = <1000000>; + }; + + camera2_flash: led2 { + label = "max77693-flash2"; + led-sources = <0 1>; + max-microamp = <250000>; + flash-max-microamp = <625000>; + flash-timeout-us = <1000000>; + }; + }; };