From patchwork Tue Mar 31 13:52:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Anaszewski X-Patchwork-Id: 6130261 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 62C96BF4A6 for ; Tue, 31 Mar 2015 13:54:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7147020149 for ; Tue, 31 Mar 2015 13:54:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 089B32015E for ; Tue, 31 Mar 2015 13:54:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754214AbbCaNyi (ORCPT ); Tue, 31 Mar 2015 09:54:38 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:36236 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753793AbbCaNyh (ORCPT ); Tue, 31 Mar 2015 09:54:37 -0400 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout2.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NM200INPXB00810@mailout2.samsung.com>; Tue, 31 Mar 2015 22:54:36 +0900 (KST) X-AuditID: cbfee61a-f79c06d000004e71-d3-551aa71ca63b Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 0D.42.20081.C17AA155; Tue, 31 Mar 2015 22:54:36 +0900 (KST) Received: from AMDC2362.DIGITAL.local ([106.120.53.23]) by mmp1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0NM200JI4X7ZTQ90@mmp1.samsung.com>; Tue, 31 Mar 2015 22:54:36 +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 v4 04/12] DT: Add documentation for the mfd Maxim max77693 Date: Tue, 31 Mar 2015 15:52:40 +0200 Message-id: <1427809965-25540-5-git-send-email-j.anaszewski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1427809965-25540-1-git-send-email-j.anaszewski@samsung.com> References: <1427809965-25540-1-git-send-email-j.anaszewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrNLMWRmVeSWpSXmKPExsVy+t9jAV2Z5VKhBquu8VrcWneO1eLozolM Fte/PGe1mH8EyO29+pzR4mzTG3aL+1+PMlpsfbOO0aJnw1ZWi7unjrJZ7N71lNXi8Jt2Vosz +1eyOfB67Jx1l93j8NeFLB53ru1h89gz/werR9+WVYweK1Z/Z/f4vEkugD2KyyYlNSezLLVI 3y6BK+PZ8x+sBa2yFSdXPWZpYGyW6GLk5JAQMJF4PWU9E4QtJnHh3nq2LkYuDiGBRYwS37tv MEE4Pxkluvc3sIFUsQkYSvx88RqsQ0TAWmLWoeksIEXMAnuZJGY9nMkMkhAW8JKY0rEHyObg YBFQlXh+2x0kzCvgIXFpzVQmkLCEgILEnEk2IGFOAU+JzlU72UFsIaCSz2/3sE9g5F3AyLCK UTS1ILmgOCk911CvODG3uDQvXS85P3cTIzhIn0ntYFzZYHGIUYCDUYmH98I9yVAh1sSy4src Q4wSHMxKIrw/J0qFCvGmJFZWpRblxxeV5qQWH2KU5mBREudVsm8LERJITyxJzU5NLUgtgsky cXBKNTAeXOElG7826PHTa1Pi7bU6DiV22XP//bDuQH2Ko5LShTbVi29VDqmx/X62wWT/F+a4 v3Y7OY7V6R+5UTPt+3ej2CkvdFeozfvLodCQLnm5NiOt4sCJZx8fGGY/uN26rMDyxuJnbScn WSa+uO75a9WlW41h38QY9r1eufdiU7vr1VP9ZtOS+A5ZK7EUZyQaajEXFScCALojcKJOAgAA 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 | 61 ++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 38e6440..deb832f 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -76,7 +76,54 @@ 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 + Valid values: 15625 - 250000, step by 15625 (rounded down) + Default: 250000 +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Valid values: 15625 - 1000000, step by 15625 (rounded down) + Default: 1000000 when boost mode is off and 625000 otherwise +- 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 +164,19 @@ 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>; + }; }; };