From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754624AbbDJHvL (ORCPT ); Fri, 10 Apr 2015 03:51:11 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:59450 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754063AbbDJHvH (ORCPT ); Fri, 10 Apr 2015 03:51:07 -0400 X-AuditID: cbfee68f-f793b6d000005f66-ab-552780e816ec From: Ingi Kim To: cooloney@gmail.com, rpurdie@rpsys.net, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org Cc: sakari.ailus@iki.fi, j.anaszewski@samsung.com, varkabhadram@gmail.com, joe@perches.com, sw0312.kim@samsung.com, cw00.choi@samsung.com, jh80.chung@samsung.com, ideal.song@samsung.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, Ingi Kim Subject: [PATCH v6 RESEND 2/3] leds: ktd2692: add device tree bindings for ktd2692 Date: Fri, 10 Apr 2015 16:51:00 +0900 Message-id: <1428652261-24142-3-git-send-email-ingi2.kim@samsung.com> X-Mailer: git-send-email 2.0.5 In-reply-to: <1428652261-24142-1-git-send-email-ingi2.kim@samsung.com> References: <1428652261-24142-1-git-send-email-ingi2.kim@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrEIsWRmVeSWpSXmKPExsWyRsSkWPdFg3qowZdVZhZHd05ksrj+5Tmr xfwj51gt+t8sZLXY9fc+o8W5VysZLXbc/MJm0Xv1OaPFjV9trBaz7z9msbi8aw6bxdY36xgt ll6/yGQxYfpaFovWvUfYLXbvespqcWb/SjaLGZNfslmc7JjD6CDssWbeGkaPy329TB47Z91l 91i5/Aubx+GvC1k8Nq3qZPP4suoas8ee+T9YPfq2rGL0+LxJLoArissmJTUnsyy1SN8ugStj 5cMtTAVLBCqu9N1gbGA8y9vFyMkhIWAi8fzQXXYIW0ziwr31bF2MXBxCAksZJTYenMQMU/Ri fx8TiC0ksIhRYsJFa4iiqUwS029eA0uwCahJ3FixkAkkISKwgFHi8vmbYKOYBXYySTRPXsQG UiUsECJx7v0JsLEsAqoSZ55/BIvzCrhKXOyfB7VOTmLNqxUsIDangJtE58b3bBCrXSXaJ89n BhkqITCVQ6Lj2C52iEECEt8mHwJq4ABKyEpsOgA1R1Li4IobLBMYhRcwMqxiFE0tSC4oTkov MtYrTswtLs1L10vOz93ECIzK0/+e9e9gvHvA+hCjAAejEg9vQ6x6qBBrYllxZe4hRlOgDROZ pUST84Gxn1cSb2hsZmRhamJqbGRuaaYkzrtQ6mewkEB6YklqdmpqQWpRfFFpTmrxIUYmDk6p BsaFi0/c+MnPf8E9v+S/atSGqaLO+6+85NDKYLjmk/246Q7PiaANRVI++9+lmc5ea+bNOdGK ec+l13prZ+i9iYhd1jfnfZlyWafA7Isu7bp3dvaJHWWI/9YRN/uadLVrwmkR638Zh9a3Tbn3 ofGoyf7kQqHq9IoPKes+HD+lnm/LsVfn9MaMsHNKLMUZiYZazEXFiQCfZPIUxQIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrDIsWRmVeSWpSXmKPExsVy+t9jAd0XDeqhBvu/6lkc3TmRyeL6l+es FvOPnGO16H+zkNVi19/7jBbnXq1ktNhx8wubRe/V54wWN361sVrMvv+YxeLyrjlsFlvfrGO0 WHr9IpPFhOlrWSxa9x5ht9i96ymrxZn9K9ksZkx+yWZxsmMOo4Owx5p5axg9Lvf1MnnsnHWX 3WPl8i9sHoe/LmTx2LSqk83jy6przB575v9g9ejbsorR4/MmuQCuqAZGm4zUxJTUIoXUvOT8 lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRbJRefAF23zByg55QUyhJzSoFCAYnFxUr6dpgm hIa46VrANEbo+oYEwfUYGaCBhDWMGSsfbmEqWCJQcaXvBmMD41neLkZODgkBE4kX+/uYIGwx iQv31rOB2EICixglJly07mLkArKnMklMv3kNrIhNQE3ixoqFTCAJEYEFjBKXz99kA3GYBXYy STRPXgTWLiwQInHu/QlmEJtFQFXizPOPYHFeAVeJi/3zmCHWyUmsebWCBcTmFHCT6Nz4Hmq1 q0T75PnMExh5FzAyrGIUTS1ILihOSs810itOzC0uzUvXS87P3cQIjvln0jsYVzVYHGIU4GBU 4uFtiFUPFWJNLCuuzD3EKMHBrCTCWwkS4k1JrKxKLcqPLyrNSS0+xGgKdNVEZinR5HxgOsor iTc0NjEzsjQyN7QwMjZXEuedoysXKiSQnliSmp2aWpBaBNPHxMEp1cA4/ci/yPxvp1lVM+7u 2La3wKkvsUHlxrUN9hIq+343/fwkdVc6JK5G5E72tPM/Ei9u4g54N0tNp+9SV0/ZixPe53vu Tl+aacTmvMnnu4bxXrfPEhKvT3D/cJk6/79T+kP9t9+zwiZf7bRvnrU629fM8PzHhpAt8QqW V5Iib2pJaz9K8FF/6nJeiaU4I9FQi7moOBEAO9h+4A8DAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the device tree bindings for ktd2692 flash LEDs. Add Optional properties of child node for Flash LED Signed-off-by: Ingi Kim --- .../devicetree/bindings/leds/leds-ktd2692.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-ktd2692.txt diff --git a/Documentation/devicetree/bindings/leds/leds-ktd2692.txt b/Documentation/devicetree/bindings/leds/leds-ktd2692.txt new file mode 100644 index 0000000..68bb59e --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-ktd2692.txt @@ -0,0 +1,40 @@ +* Kinetic Technologies - KTD2692 Flash LED Driver + +KTD2692 is the ideal power solution for high-power flash LEDs. +It uses ExpressWire single-wire programming for maximum flexibility. + +The ExpressWire interface through CTRL pin can control LED on/off and +enable/disable the IC, Movie(max 1/3 of Flash current) / Flash mode current, +Flash timeout, LVP(low voltage protection). + +Also, When the AUX pin is pulled high while CTRL pin is high, +LED current will be ramped up to the flash-mode current level. + +Required properties: +- compatible: "kinetic,ktd2692" +- ctrl-gpio : gpio pin in order control CTRL pin +- aux-gpio : gpio pin in order control AUX pin +- vin-supply : "vin" LED supply (2.7V to 5.5V) + See Documentation/devicetree/bindings/regulator/regulator.txt + +A discrete LED element connected to the device must be represented by a child +node - see Documentation/devicetree/bindings/leds/common.txt. + +Optional properties of flash LED child node: +- label : see Documentation/devicetree/bindings/leds/common.txt +- flash-timeout-us : Maximum flash timeout in microseconds. + flash timeout ranges from 0 to 1835000us and default is 1049000us. + +Example: + +ktd2692 { + compatible = "kinetic,ktd2692"; + ctrl-gpio = <&gpc0 1 0>; + aux-gpio = <&gpc0 2 0>; + vin-supply = <&vbat>; + + flash-led { + label = "ktd2692-flash"; + flash-timeout-us = <1835000>; + }; +}; -- 2.0.5