From patchwork Tue Apr 28 07:18:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Anaszewski X-Patchwork-Id: 29319 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1YmzpJ-0001L3-Ej; Tue, 28 Apr 2015 09:21:05 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.76/mailfrontend-7) with esmtp id 1YmzpH-000870-0t; Tue, 28 Apr 2015 09:21:05 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752997AbbD1HVA (ORCPT + 1 other); Tue, 28 Apr 2015 03:21:00 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:52377 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751766AbbD1HU7 (ORCPT ); Tue, 28 Apr 2015 03:20:59 -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 <0NNI004NG9QQ2N20@mailout1.samsung.com>; Tue, 28 Apr 2015 16:20:50 +0900 (KST) X-AuditID: cbfee61b-f79536d000000f1f-6f-553f34d22ab8 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 5E.9F.03871.2D43F355; Tue, 28 Apr 2015 16:20:50 +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 <0NNI00E0Q9Q3KG10@mmp2.samsung.com>; Tue, 28 Apr 2015 16:20:50 +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 v6 02/10] DT: Add documentation for the mfd Maxim max77693 Date: Tue, 28 Apr 2015 09:18:42 +0200 Message-id: <1430205530-20873-3-git-send-email-j.anaszewski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1430205530-20873-1-git-send-email-j.anaszewski@samsung.com> References: <1430205530-20873-1-git-send-email-j.anaszewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrNLMWRmVeSWpSXmKPExsVy+t9jQd1LJvahBocWCFvcWneO1eLozolM Fte/PGe1mH8EyO29+pzR4mzTG3aL+1+PMlpsfbOO0aJnw1ZWi7unjrJZ7N71lNXi8Jt2Vosz +1eyOfB67Jx1l93j8NeFLB53ru1h89gz/werR9+WVYweK1Z/Z/f4vEkugD2KyyYlNSezLLVI 3y6BK+NLQwdbwUyFiu7H+9gbGI9KdTFyckgImEhM/3KJCcIWk7hwbz1bFyMXh5DAdEaJN9uu M0E4PxklVv+YxgJSxSZgKPHzxWuwDhEBa4lZh6azgBQxC+xlkpj1cCYzSEJYwEvi+eqJ7CA2 i4CqxNGVU8GaeQU8JPp3LwJawQG0TkFiziQbEJNTwFPixG1HkAohoIqu4++ZJjDyLmBkWMUo mlqQXFCclJ5rpFecmFtcmpeul5yfu4kRHKTPpHcwrmqwOMQowMGoxMM74bZdqBBrYllxZe4h RgkOZiUR3iXi9qFCvCmJlVWpRfnxRaU5qcWHGKU5WJTEeefoyoUKCaQnlqRmp6YWpBbBZJk4 OKUaGPs3Tjl4/Z1JsoLPed/Ma+qbrB79LQngXVKzaxJrhxmn6tyLvs1yjTZJrf58K5ccFL10 n61jqc3+GMfl21JnyGrIq6ZM0dX55Xn5Qzn71/Qi1s2bOyoPGjTf3Lr91D4970v/k3/vOjfH 91te1rs7uz0XZk359N28nMHohe8ht/yjqbLvLIXKEpRYijMSDbWYi4oTASl74i5OAgAA 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: 2015.4.28.71223 X-PMX-Spam: Gauge=IIIIIIIII, Probability=9%, Report=' HTML_NO_HTTP 0.1, MULTIPLE_RCPTS 0.1, HTML_00_10 0.05, BODY_SIZE_4000_4999 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 Acked-by: Sakari Ailus Cc: Lee Jones Cc: Chanwoo Choi Cc: Bryan Wu Cc: Richard Purdie Cc: devicetree@vger.kernel.org Acked-by: Bryan Wu --- 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>; + }; }; };