From patchwork Wed Mar 4 16:14:31 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Anaszewski X-Patchwork-Id: 28512 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1YTC1b-0000ML-Jo; Wed, 04 Mar 2015 17:19:55 +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 1YTC1Z-0005de-kn; Wed, 04 Mar 2015 17:19:55 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933658AbbCDQTh (ORCPT + 1 other); Wed, 4 Mar 2015 11:19:37 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:12626 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933323AbbCDQQm (ORCPT ); Wed, 4 Mar 2015 11:16:42 -0500 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NKP00KR03VSSDB0@mailout3.samsung.com>; Thu, 05 Mar 2015 01:16:40 +0900 (KST) X-AuditID: cbfee61a-f79c06d000004e71-47-54f72fe8d2fe Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 89.B4.20081.8EF27F45; Thu, 05 Mar 2015 01:16:40 +0900 (KST) Received: from AMDC2362.DIGITAL.local ([106.120.53.23]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0NKP0082A3SJHN70@mmp1.samsung.com>; Thu, 05 Mar 2015 01:16:40 +0900 (KST) From: Jacek Anaszewski To: linux-leds@vger.kernel.org, linux-media@vger.kernel.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kyungmin.park@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 Subject: [PATCH/RFC v12 10/19] DT: Add documentation for the mfd Maxim max77693 Date: Wed, 04 Mar 2015 17:14:31 +0100 Message-id: <1425485680-8417-11-git-send-email-j.anaszewski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1425485680-8417-1-git-send-email-j.anaszewski@samsung.com> References: <1425485680-8417-1-git-send-email-j.anaszewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrPLMWRmVeSWpSXmKPExsVy+t9jAd0X+t9DDG6fFrC4te4cq8XRnROZ LK5/ec5qMf8IkNt79TmjxdmmN+wW978eZbS4vGsOm8XWN+sYLXo2bGW1uHvqKJvF7l1PWS0O v2lntTizfyWbA5/Hzll32T0Of13I4nHn2h42jz3zf7B69G1ZxeixYvV3do/Pm+QC2KO4bFJS czLLUov07RK4Mvov9bMWLJOpWNL/la2BcbN4FyMHh4SAicTZJ9ZdjJxAppjEhXvr2boYuTiE BBYxSqzqOsgK4bQzSdy8sJsJpIpNwFDi54vXYLaIgLXErEPTWUBsZoG7TBIvdqSD2MIC/hLf P61kBLFZBFQlpl36zgpi8wp4SJzfu5QdYrGCxJxJNiBhTqDw2ZvrwUYKCbhLHH64n2UCI+8C RoZVjKKpBckFxUnpuYZ6xYm5xaV56XrJ+bmbGMHB+kxqB+PKBotDjAIcjEo8vBnR30KEWBPL iitzDzFKcDArifA+Z/seIsSbklhZlVqUH19UmpNafIhRmoNFSZxXyb4tREggPbEkNTs1tSC1 CCbLxMEp1cBYJN7lovrB3TZi+YvjXoXLT97ukXlmo+vgdN6W4XKvqHfgsUnmR6dz3r15f5tR 2duw1S1teUcTdmhleypt7c9xaZoqMTnpuKbs9W3GjKul8/mWafz9Ksa52CSmQNPihJJn60XW ouoTX671JIQHzEnpODZBw9rgYqjoJ804no6klzdr7vWk/1diKc5INNRiLipOBACsdiQLUgIA AA== 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: 2015.3.4.161220 X-PMX-Spam: Gauge=IIIIIIIII, Probability=9%, Report=' HTML_NO_HTTP 0.1, MULTIPLE_RCPTS 0.1, HTML_00_10 0.05, BODY_SIZE_3000_3999 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 --- Documentation/devicetree/bindings/mfd/max77693.txt | 61 ++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 38e6440..ab8fbd5 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -76,7 +76,53 @@ Optional properties: Valid values: 4300000, 4700000, 4800000, 4900000 Default: 4300000 +- 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: + LEDS_TRIG_TYPE_EDGE (0) - Rising edge of the signal triggers + the flash, + LEDS_TRIG_TYPE_LEVEL (1) - 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 + LEDS_BOOST_FIXED in case both current sources are used. + Possible values: + LEDS_BOOST_OFF (0) - no boost, + LEDS_BOOST_ADAPTIVE (1) - adaptive mode, + LEDS_BOOST_FIXED (2) - fixed mode. +- maxim,boost-mvout : Output voltage of the boost module in millivolts. +- maxim,mvsys-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; + device current output identifiers: 0 - FLED1, 1 - FLED2 + +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>; @@ -117,5 +163,20 @@ Example: maxim,thermal-regulation-celsius = <75>; maxim,battery-overcurrent-microamp = <3000000>; maxim,charge-input-threshold-microvolt = <4300000>; + + led { + compatible = "maxim,max77693-led"; + maxim,trigger-type = ; + maxim,boost-mode = ; + maxim,boost-mvout = <5000>; + maxim,mvsys-min = <2400>; + + camera_flash: flash-led { + label = "max77693-flash1"; + led-sources = <0>, <1>; + max-microamp = <500000>; + flash-max-microamp = <1250000>; + flash-timeout-us = <1000000>; + }; }; };