From patchwork Tue Mar 31 14:29:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Anaszewski X-Patchwork-Id: 6130521 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 37AC39F32E for ; Tue, 31 Mar 2015 14:30:10 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 381CF201B4 for ; Tue, 31 Mar 2015 14:30:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1FB552017D for ; Tue, 31 Mar 2015 14:30:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754742AbbCaOaD (ORCPT ); Tue, 31 Mar 2015 10:30:03 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:42515 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752910AbbCaOaB (ORCPT ); Tue, 31 Mar 2015 10:30:01 -0400 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout3.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NM200DIIYXZ6760@mailout3.samsung.com>; Tue, 31 Mar 2015 23:29:59 +0900 (KST) X-AuditID: cbfee61b-f79d76d0000024d6-19-551aaf66cdf2 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 83.F3.09430.66FAA155; Tue, 31 Mar 2015 23:29:59 +0900 (KST) Received: from AMDC2362.DIGITAL.local ([106.120.53.23]) by mmp2.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0NM2007S8YXLD150@mmp2.samsung.com>; Tue, 31 Mar 2015 23:29:58 +0900 (KST) From: Jacek Anaszewski To: linux-leds@vger.kernel.org, linux-media@vger.kernel.org Cc: 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 , devicetree@vger.kernel.org Subject: [PATCH] DT: Add documentation for the mfd Maxim max77693 Date: Tue, 31 Mar 2015 16:29:43 +0200 Message-id: <1427812183-27100-1-git-send-email-j.anaszewski@samsung.com> X-Mailer: git-send-email 1.7.9.5 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrCLMWRmVeSWpSXmKPExsVy+t9jQd309VKhBv03mCxurTvHanF050Qm i+tfnrNazD8C5PZefc5ocbbpDbvF/a9HGS22vlnHaNGzYSurxd1TR9ksdu96ympx+E07q8WZ /SvZHHg9ds66y+5x+OtCFo871/aweeyZ/4PVo2/LKkaPFau/s3t83iQXwB7FZZOSmpNZllqk b5fAlXHtyRKWglbFiqZ/G1gaGGdLdzFyckgImEhc/tbJDmGLSVy4t56ti5GLQ0hgOqPE/OUr oJyfjBJz+3eBVbEJGEr8fPGaCcQWEbCWmHVoOgtIEbPAXiaJWQ9nMoMkhAUcJWbvbQcrYhFQ lTh36T4biM0r4CHx7tZloDgH0DoFiTmTbCYwci9gZFjFKJpakFxQnJSea6RXnJhbXJqXrpec n7uJERx2z6R3MK5qsDjEKMDBqMTDW3FHMlSINbGsuDL3EKMEB7OSCK/LCqlQId6UxMqq1KL8 +KLSnNTiQ4zSHCxK4rxK9m0hQgLpiSWp2ampBalFMFkmDk6pBsaozmqeLd93L7r3LP+ch/bB hht+TB2/7U5XPBXN9bb/mVR6ziyDyXOpodLjlbvfOv44yy7LWS/MI/pn+vfbd2OYlr7fLSQT tsJgtuJcxaqFptXeK75vvLdr1/zytS/mbIjZpf7oPSv3G5HNmY+WZWerGcbURrwWnJmcP2fj p52vdj3s32B5KvqcEktxRqKhFnNRcSIAc4rdDjcCAAA= Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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: devicetree@vger.kernel.org --- Documentation/devicetree/bindings/mfd/max77693.txt | 73 ++++++++++++++++++++ 1 file changed, 73 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 38e6440..cd94078 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -76,7 +76,66 @@ 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,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. + Valid values: 3300 - 5500, step by 25 (rounded down) + Default: 3300 +- 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. + Valid values: 2400 - 3400, step by 33 (rounded down) + Default: 2400 + +Required properties of the LED child node: +- led-sources : see Documentation/devicetree/bindings/leds/common.txt; + device current output identifiers: 0 - FLED1, 1 - FLED2 + +Optional properties of the LED child node: +- label : see Documentation/devicetree/bindings/leds/common.txt +- max-microamp : see Documentation/devicetree/bindings/leds/common.txt + * configuration with FLED outputs separated: + Valid values: 15625 - 250000, step by 15625 (rounded down) + Default: 250000 + * configuration with FLED outputs soldered together: + Valid values: 15625 - 500000, step by 15625 (rounded down) + Default: 500000 +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Valid values in LEDS_BOOST_ADAPTIVE and LEDS_BOOST_FIXED modes: + * configuration with FLED outputs separated: + 15625 - 625000, step by 15625 (rounded down) + Default: 625000 + * configuration with FLED outputs soldered together: + 15625 - 1250000, step by 15625 (rounded down) + Default: 1250000 + Valid values in LEDS_BOOST_OFF mode (single FLED is used): + 15625 - 1000000, step by 15625 (rounded down) + Default: 1000000 +- flash-timeout-us : see Documentation/devicetree/bindings/leds/common.txt + Valid values: 62500 - 1000000, step by 62500 (rounded down) + Default: 1000000 + Example: +#include + max77693@66 { compatible = "maxim,max77693"; reg = <0x66>; @@ -117,5 +176,19 @@ Example: maxim,thermal-regulation-celsius = <75>; maxim,battery-overcurrent-microamp = <3000000>; maxim,charge-input-threshold-microvolt = <4300000>; + + led { + compatible = "maxim,max77693-led"; + maxim,boost-mode = ; + maxim,boost-mvout = <5000>; + maxim,mvsys-min = <2400>; + + camera_flash: flash-led { + label = "max77693-flash"; + led-sources = <0>, <1>; + max-microamp = <500000>; + flash-max-microamp = <1250000>; + flash-timeout-us = <1000000>; + }; }; };