From patchwork Wed Apr 15 06:48:32 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Anaszewski X-Patchwork-Id: 461361 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6147C14011D for ; Wed, 15 Apr 2015 16:49:42 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752210AbbDOGt3 (ORCPT ); Wed, 15 Apr 2015 02:49:29 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:25661 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932260AbbDOGtQ (ORCPT ); Wed, 15 Apr 2015 02:49:16 -0400 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NMU005JR5M2YVC0@mailout1.samsung.com>; Wed, 15 Apr 2015 15:49:14 +0900 (KST) X-AuditID: cbfee61b-f79536d000000f1f-de-552e09ea9ed2 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id D8.56.03871.AE90E255; Wed, 15 Apr 2015 15:49:14 +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 <0NMU00K795LELQ80@mmp2.samsung.com>; Wed, 15 Apr 2015 15:49:14 +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 v5 02/10] DT: Add documentation for the mfd Maxim max77693 Date: Wed, 15 Apr 2015 08:48:32 +0200 Message-id: <1429080520-10687-3-git-send-email-j.anaszewski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1429080520-10687-1-git-send-email-j.anaszewski@samsung.com> References: <1429080520-10687-1-git-send-email-j.anaszewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrDLMWRmVeSWpSXmKPExsVy+t9jQd1XnHqhBpdb5S1urTvHanF050Qm i+tfnrNazD8C5PZefc5ocbbpDbvF/a9HGS22vlnHaNGzYSurxd1TR9ksdu96ympx+E07q8WZ /SvZHHg9ds66y+5x+OtCFo871/aweeyZ/4PVo2/LKkaPFau/s3t83iQXwB7FZZOSmpNZllqk b5fAlfHlyEy2gsfyFXu+/2NtYJwi1cXIySEhYCJx7P4HNghbTOLCvfVANheHkMB0RolJ7f8Y IZyfjBL/HpxmB6liEzCU+PniNROILSJgLTHr0HQWkCJmgb1MErMezmQGSQgLeElsPLMZrIFF QFVizZtZYDavgIfEhQsrgRo4gNYpSMyZZAMS5hTwlLj3cwPYFUJAJS2dZxknMPIuYGRYxSia WpBcUJyUnmukV5yYW1yal66XnJ+7iREcps+kdzCuarA4xCjAwajEw7tggW6oEGtiWXFl7iFG CQ5mJRFe4z9AId6UxMqq1KL8+KLSnNTiQ4zSHCxK4rxzdOVChQTSE0tSs1NTC1KLYLJMHJxS DYylaQ4vlvrMPRPkL23cvixl9RbrV+qsSbOOK4vxahxheGLWylC9dwt7zOF7ejtnLtn0OuS7 V56SiraB2sN5S41XzduYmDzxf+Wb+3EbTvRtqtp4MOvHn432l+rXLNmkclWvLTWEaVoiG8fM Xf37ZrFJxLsd7Y08y7tgjv6deJPHdacmdCR6WiQrsRRnJBpqMRcVJwIASrew/U8CAAA= Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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 Acked-by: Sakari Ailus --- Documentation/devicetree/bindings/mfd/max77693.txt | 67 ++++++++++++++++++++ 1 file changed, 67 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 38e6440..d342584 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -76,7 +76,60 @@ 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 for the LED child node: +- led-sources : see Documentation/devicetree/bindings/leds/common.txt; + device current output identifiers: 0 - FLED1, 1 - FLED2 +- led-max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Valid values for a LED connected to one FLED output: + 15625 - 250000, step by 15625 (rounded down) + Valid values for a LED connected to both FLED outputs: + 15625 - 500000, step by 15625 (rounded down) +- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt + Valid values for a single LED connected to one FLED output: + (boost mode must be turned off): + 15625 - 1000000, step by 15625 (rounded down) + Valid values for a single LED connected to both FLED outputs: + 15625 - 1250000, step by 15625 (rounded down) + Valid values for two LEDs case: + 15625 - 625000, step by 15625 (rounded down) +- flash-max-timeout-us : see Documentation/devicetree/bindings/leds/common.txt + Valid values: 62500 - 1000000, step by 62500 (rounded down) + +Optional properties for the LED child node: +- label : see Documentation/devicetree/bindings/leds/common.txt + Example: +#include + max77693@66 { compatible = "maxim,max77693"; reg = <0x66>; @@ -117,5 +170,19 @@ 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>; + led-max-microamp = <500000>; + flash-max-microamp = <1250000>; + flash-max-timeout-us = <1000000>; + }; }; };