From patchwork Wed Dec 3 16:06:41 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Anaszewski X-Patchwork-Id: 5432231 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 75E819F1C5 for ; Wed, 3 Dec 2014 16:17:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5E0F52037A for ; Wed, 3 Dec 2014 16:17:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4EA9420256 for ; Wed, 3 Dec 2014 16:17:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752691AbaLCQHw (ORCPT ); Wed, 3 Dec 2014 11:07:52 -0500 Received: from mailout2.samsung.com ([203.254.224.25]:26701 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752623AbaLCQHu (ORCPT ); Wed, 3 Dec 2014 11:07:50 -0500 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NG000EZTKSZ8B80@mailout2.samsung.com>; Thu, 04 Dec 2014 01:07:47 +0900 (KST) X-AuditID: cbfee61a-f79c06d000004e71-6a-547f35537a7d Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 6F.E4.20081.3553F745; Thu, 04 Dec 2014 01:07:47 +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 <0NG000LO7KRKV100@mmp2.samsung.com>; Thu, 04 Dec 2014 01:07:46 +0900 (KST) From: Jacek Anaszewski To: linux-leds@vger.kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: 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, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, Jacek Anaszewski , Andrzej Hajda , Lee Jones , Chanwoo Choi , devicetree@vger.kernel.org Subject: [PATCH/RFC v9 06/19] DT: Add documentation for the mfd Maxim max77693 Date: Wed, 03 Dec 2014 17:06:41 +0100 Message-id: <1417622814-10845-7-git-send-email-j.anaszewski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1417622814-10845-1-git-send-email-j.anaszewski@samsung.com> References: <1417622814-10845-1-git-send-email-j.anaszewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrILMWRmVeSWpSXmKPExsVy+t9jQd1g0/oQgy0LRSxurTvHarFxxnpW i6M7JzJZXP/ynNVi/hGgWP+bhawW516tZLTovfqc0eJs0xt2i/tfjzJaXN41h81i65t1jBY9 G7ayWiy9fpHJ4u6po2wWE6avZbFo3XuE3WL3rqesFofftLNanNm/ks1BxGPNvDWMHpf7epk8 ds66y+6xcvkXNo/DXxeyeGxa1cnmcefaHjaPPfN/sHr0bVnF6LFi9Xd2j8+b5AK4o7hsUlJz MstSi/TtErgyLl1ex1hwQL3i2KZnjA2MuxS6GDk5JARMJBr/dTFD2GISF+6tZ+ti5OIQEpjO KHHg2n0op51JovH0WxaQKjYBQ4mfL14zdTFycIgIREtcOlYPUsMscI5ZouX3TlaQGmEBP4mv J28ygdgsAqoSl3qvs4PYvAIeEt3zLoP1SggoSMyZZAMS5hTwlHj64z47SFgIqOTgRP8JjLwL GBlWMYqmFiQXFCel5xrqFSfmFpfmpesl5+duYgRHxDOpHYwrGywOMQpwMCrx8FrE1YUIsSaW FVfmHmKU4GBWEuF99g0oxJuSWFmVWpQfX1Sak1p8iFGag0VJnPfGzdwQIYH0xJLU7NTUgtQi mCwTB6dUA+O8iSn3V+q8Fn95TFLtsz7jMR/5iVIRLzbFrYy1rPb/8pLd5cH2ExnTrqR5bpTT jbv4icEkb87eRRe8doVGKTw2+pv+uD0gTEL34g/Z+2w5DxsNa+Mv8K98k7w4dWnkDBONQ15+ K+IKn6/Rfx67VcjqSFzpFD/pc1M5z5Yl+OsbL8m7kX/qaYESS3FGoqEWc1FxIgCNwR9ghAIA AA== 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: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala Cc: --- Documentation/devicetree/bindings/mfd/max77693.txt | 89 ++++++++++++++++++++ 1 file changed, 89 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 01e9f30..25a6e78 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -41,7 +41,66 @@ 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,fleds : Array of current outputs in order: fled1, fled2. + Note: both current outputs can be connected to a single led + Possible values: + MAX77693_LED_FLED_UNUSED - the output is left disconnected, + MAX77693_LED_FLED_USED - a diode is connected to the output. +- maxim,trigger-type : Array of trigger types in order: flash, torch. + Possible trigger types: + MAX77693_LED_TRIG_TYPE_EDGE - Rising edge of the signal triggers + the flash/torch, + MAX77693_LED_TRIG_TYPE_LEVEL - Signal level controls duration of + the flash/torch. +- maxim,trigger : Array of flags indicating which trigger can activate given led + in order: fled1, fled2. + Possible flag values (can be combined): + MAX77693_LED_TRIG_FLASHEN - FLASHEN pin of the chip, + MAX77693_LED_TRIG_TORCHEN - TORCHEN pin of the chip, + MAX77693_LED_TRIG_SOFTWARE - software via I2C command. +- 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 there are two child led nodes defined then boost + is enabled by default. + 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 +- maxim,fled_id : Identifier of the fled output the led is connected to; + MAX77693_LED_FLED1 - FLED1 output of the device - it has to be + used also if a single LED is connected to both outputs, + MAX77693_LED_FLED2 - FLED2 output of the device. + +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-microsec : see Documentation/devicetree/bindings/leds/common.txt + Range: 62500 - 1000000 + Example: +#include + max77693@66 { compatible = "maxim,max77693"; reg = <0x66>; @@ -73,4 +132,34 @@ Example: pwms = <&pwm 0 40000 0>; pwm-names = "haptic"; }; + + led { + compatible = "maxim,max77693-led"; + maxim,fleds = ; + maxim,trigger = ; + maxim,trigger-type = ; + maxim,boost-mode = ; + maxim,boost-vout = <5000>; + maxim,vsys-min = <2400>; + + camera1_flash: led1 { + maxim,fled_id = ; + label = "max77693-flash1"; + max-microamp = <250000>; + flash-max-microamp = <625000>; + flash-timeout-microsec = <1000000>; + }; + + camera2_flash: led2 { + maxim,fled_id = ; + label = "max77693-flash2"; + max-microamp = <250000>; + flash-max-microamp = <500000>; + flash-timeout-microsec = <1000000>; + }; + }; };