From patchwork Thu Mar 20 14:51:09 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Anaszewski X-Patchwork-Id: 3866581 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 373049F334 for ; Thu, 20 Mar 2014 14:53:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 48C3520225 for ; Thu, 20 Mar 2014 14:53:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 501F020222 for ; Thu, 20 Mar 2014 14:53:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933840AbaCTOxC (ORCPT ); Thu, 20 Mar 2014 10:53:02 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:29194 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933542AbaCTOv7 (ORCPT ); Thu, 20 Mar 2014 10:51:59 -0400 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N2Q00MGKPAM8JA0@mailout4.samsung.com>; Thu, 20 Mar 2014 23:51:58 +0900 (KST) X-AuditID: cbfee61b-b7f456d000006dfd-17-532b008daa4a Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 1A.1F.28157.D800B235; Thu, 20 Mar 2014 23:51:58 +0900 (KST) Received: from AMDC2362.digital.local ([106.116.147.229]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N2Q00D8AP9DWEA0@mmp2.samsung.com>; Thu, 20 Mar 2014 23:51:57 +0900 (KST) From: Jacek Anaszewski To: linux-media@vger.kernel.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: s.nawrocki@samsung.com, a.hajda@samsung.com, kyungmin.park@samsung.com, Jacek Anaszewski , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Subject: [PATCH/RFC 7/8] DT: Add documentation for the mfd Maxim max77693 flash cell Date: Thu, 20 Mar 2014 15:51:09 +0100 Message-id: <1395327070-20215-8-git-send-email-j.anaszewski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1395327070-20215-1-git-send-email-j.anaszewski@samsung.com> References: <1395327070-20215-1-git-send-email-j.anaszewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKLMWRmVeSWpSXmKPExsVy+t9jQd0+Bu1gg8XPmC1urTvHajH/CJDo f7OQ1eLcq5WMFr1XnzNanG16w25xedccNoutb9YxWvRs2MpqsfT6RSaLCdPXsli07j3CbnH4 TTurA6/HmnlrGD0u9/Uyeaxc/oXNY9OqTjaPvi2rGD0+b5ILYIvisklJzcksSy3St0vgyuhe 0chacEysYvbm3YwNjGuEuhg5OSQETCSuTZ7KDGGLSVy4t56ti5GLQ0hgOqPE69/nwBJCAp1M Ens3iIDYbAKGEj9fvGYCsUUEyiWmTX3EBNLALLCNSWJT8zcWkISwQJjE6zUrwIpYBFQlPh3t YASxeQU8JDa9uMHaxcgBtE1BYs4kG5Awp4CnxNKlXcwgYSGgkrMTIyYw8i5gZFjFKJpakFxQ nJSea6RXnJhbXJqXrpecn7uJERyYz6R3MK5qsDjEKMDBqMTDu2KPZrAQa2JZcWXuIUYJDmYl EV6751rBQrwpiZVVqUX58UWlOanFhxilOViUxHkPtloHCgmkJ5akZqemFqQWwWSZODilGhi7 jml/WHNZZv1Mjp4U/rvL512uY7jGvedQ4KW9m7Rsnq4XrcyydJFfXKSxplqLOf7zlpbac30T 6gL435SLrC9L7vKUkWp7xOstXpPFGnjz57KZ4hoyd014flTUvF5aWqXEfayIvYPZ5pJWbOX3 MCPHSY1L/i/eczjx3tTtSVHz4lduPHcpzEaJpTgj0VCLuag4EQDSrNeWSAIAAA== 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: Andrzej Hajda Acked-by: Kyungmin Park Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala --- Documentation/devicetree/bindings/mfd/max77693.txt | 47 ++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 11921cc..9e1aa97 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -27,6 +27,43 @@ Optional properties: [*] refer Documentation/devicetree/bindings/regulator/regulator.txt +Optional node: +- led-flash : the LED submodule device node + +Required properties of "led-flash" node: +- compatible : must be "maxim,max77693-led" + +Optional properties of "led-flash" node: +- maxim,iout : Array of four intensities in microampheres of the current + in order: flash1, flash2, torch1, torch2. + Range: + flash - 15625 - 1000000, + torch - 15625 - 250000. +- maxim,trigger : Array of flags indicating which trigger can activate given led + in order: flash1, flash2, torch1, torch2. + Possible flag values (can be combined): + 1 - FLASH pin of the chip, + 2 - TORCH pin of the chip, + 4 - software via I2C command. +- maxim,trigger-type : Array of trigger types in order: flash, torch. + Possible trigger types: + 0 - Rising edge of the signal triggers the flash/torch, + 1 - Signal level controls duration of the flash/torch. +- maxim,timeout : Array of timeouts in microseconds after which leds are + turned off in order: flash, torch. + Range: + flash: 62500 - 1000000, + torch: 0 (no timeout) - 15728000. +- maxim,boost-mode : Array of the flash boost modes in order: flash1, flash2. + Possible values: + 0 - no boost, + 1 - adaptive mode, + 2 - 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. + Example: max77693@66 { compatible = "maxim,max77693"; @@ -52,4 +89,14 @@ Example: regulator-boot-on; }; }; + led_flash: led-flash { + compatible = "maxim,max77693-led"; + maxim,iout = <625000 625000 250000 250000>; + maxim,trigger = <5 5 6 0>; + maxim,trigger-type = <0 1>; + maxim,timeout = <500000 0>; + maxim,boost-mode = <1 1>; + maxim,boost-vout = <5000>; + maxim,vsys-min = <2400>; + }; };