From patchwork Thu Dec 18 13:15:47 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Beomho Seo X-Patchwork-Id: 422569 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 7F55B140082 for ; Fri, 19 Dec 2014 00:16:58 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751648AbaLRNPy (ORCPT ); Thu, 18 Dec 2014 08:15:54 -0500 Received: from mailout2.samsung.com ([203.254.224.25]:40876 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751553AbaLRNPv (ORCPT ); Thu, 18 Dec 2014 08:15:51 -0500 Received: from epcpsbgr1.samsung.com (u141.gpu120.samsung.co.kr [203.254.230.141]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NGS006ET4UDLPD0@mailout2.samsung.com>; Thu, 18 Dec 2014 22:15:49 +0900 (KST) Received: from epcpsbgm1.samsung.com ( [172.20.52.116]) by epcpsbgr1.samsung.com (EPCPMTA) with SMTP id 81.A1.17016.583D2945; Thu, 18 Dec 2014 22:15:49 +0900 (KST) X-AuditID: cbfee68d-f79296d000004278-59-5492d38575ca Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 9F.04.20081.583D2945; Thu, 18 Dec 2014 22:15:49 +0900 (KST) Received: from localhost.localdomain ([10.252.81.134]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0NGS009XN4UCTZ40@mmp1.samsung.com>; Thu, 18 Dec 2014 22:15:48 +0900 (KST) From: Beomho Seo To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org Cc: sameo@linux.intel.com, lee.jone@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, sre@kernel.org, dbaryshkov@gmail.com, dwmw2@infradead.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, cw00.choi@samsung.com, inki.dae@samsung.com, sw0312.kim@samsung.com, Beomho Seo Subject: [PATCH 3/3] Documentation: Add documentation for rt5033 multifunction device Date: Thu, 18 Dec 2014 22:15:47 +0900 Message-id: <1418908547-10241-4-git-send-email-beomho.seo@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1418908547-10241-1-git-send-email-beomho.seo@samsung.com> References: <1418908547-10241-1-git-send-email-beomho.seo@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrNIsWRmVeSWpSXmKPExsWyRsSkRLf18qQQg3nPpCxOf9rGbjH14RM2 i+tfnrNaTHryntli/pFzrBYTV05mtuh/s5DV4tyrlYwWk+5PYLF4v+cMo8W3Kx1MFpd3zWGz +Nx7hNFi6fWLTBYTpq9lsWjde4Td4nQ3q8Xp3SUWMya/ZHMQ9lgzbw2jx+W+XiaPnbPusnus XP6FzWPzCi2PTas62TzuXNvD5jHvZKBH35ZVjB6fN8kFcEVx2aSk5mSWpRbp2yVwZVx5cY65 YKpaxZVDf9kbGCfKdzFyckgImEhsWDeDDcIWk7hwbz2QzcUhJLCUUWJhy0VGmKLdB64zQiQW MUos6j/PDuG0MUnsOXKAFaSKTUBT4v2UKywgtohAhMTZZbPAbGaBn0wSNy9ldzFycAgLhEs8 /2EBEmYRUJXYdqYZrIRXwE1i+tsLrCAlEgIKEnMm2YCEOQXcJa5/PMEOYgsBlSx4dI0ZZK2E wFQOiX/3HzBCzBGQ+Db5EAtEr6zEpgPMEDdLShxccYNlAqPwAkaGVYyiqQXJBcVJ6UWGesWJ ucWleel6yfm5mxiBcXj637PeHYy3D1gfYhTgYFTi4ZXUmxQixJpYVlyZe4jRFGjDRGYp0eR8 YLTnlcQbGpsZWZiamBobmVuaKYnzKkr9DBYSSE8sSc1OTS1ILYovKs1JLT7EyMTBKdXAqK60 waVgiW3xev2Vdn4PpSeK+RwJfxNYaCKxeVFQLGPSzrvtvVvZ2VOnJTBHR91f+cqDjfeo1qlz 6stu7yrq+Pu1cefp2jXsl1t+JP66/SjnhlfI+S0M3z5373nLbeT3TjpRIDyYia9d8n7SLkuH hZY/5wZzvbbUZXgoH+8sVnrS5NK3AL6/SizFGYmGWsxFxYkArrwW4L4CAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrKIsWRmVeSWpSXmKPExsVy+t9jAd3Wy5NCDJ7NF7Q4/Wkbu8XUh0/Y LK5/ec5qMenJe2aL+UfOsVpMXDmZ2aL/zUJWi3OvVjJaTLo/gcXi/Z4zjBbfrnQwWVzeNYfN 4nPvEUaLpdcvMllMmL6WxaJ17xF2i9PdrBand5dYzJj8ks1B2GPNvDWMHpf7epk8ds66y+6x cvkXNo/NK7Q8Nq3qZPO4c20Pm8e8k4EefVtWMXp83iQXwBXVwGiTkZqYklqkkJqXnJ+SmZdu q+QdHO8cb2pmYKhraGlhrqSQl5ibaqvk4hOg65aZA/SYkkJZYk4pUCggsbhYSd8O04TQEDdd C5jGCF3fkCC4HiMDNJCwhjHjyotzzAVT1SquHPrL3sA4Ub6LkZNDQsBEYveB64wQtpjEhXvr 2boYuTiEBBYxSizqP88O4bQxSew5coAVpIpNQFPi/ZQrLCC2iECExNlls8BsZoGfTBI3L2V3 MXJwCAuESzz/YQESZhFQldh2phmshFfATWL62wusICUSAgoScybZgIQ5Bdwlrn88wQ5iCwGV LHh0jXkCI+8CRoZVjKKpBckFxUnpuYZ6xYm5xaV56XrJ+bmbGMFR/kxqB+PKBotDjAIcjEo8 vBJ6k0KEWBPLiitzDzFKcDArifBG5wCFeFMSK6tSi/Lji0pzUosPMZoCHTWRWUo0OR+YgPJK 4g2NTcyMLI3MDS2MjM2VxHmV7NtChATSE0tSs1NTC1KLYPqYODilGhgV/i3SLNU8zZPhGPl7 1/GW4tK0ZuWUaXm/vXkONvw41sqW9Lm1/9KFK7Y8xuoPJ01lCj/sZVW+VYbv+YWerKVnb/xz 4DuoJvdCduW5eIP78ku2WOga2p9iSdH+/HDzhV8qUXwnlV/N7FbLb076+GFRzmblaXUn63I0 2lM5WUTW9fv9z8iOi1JiKc5INNRiLipOBAClCU6JCAMAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch device tree binding documentation for rt5033 multifunction device. Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian campbell Cc: Kumar Gala Signed-off-by: Beomho Seo Acked-by: Chanwoo Choi --- Documentation/devicetree/bindings/mfd/rt5033.txt | 108 ++++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.txt | 1 + 2 files changed, 109 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/rt5033.txt diff --git a/Documentation/devicetree/bindings/mfd/rt5033.txt b/Documentation/devicetree/bindings/mfd/rt5033.txt new file mode 100644 index 0000000..52a6d33 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rt5033.txt @@ -0,0 +1,108 @@ +Richtek RT5033 Power management Integrated Circuit + +RT5033 is a Multifunction device which includes battery charger, fuel gauge, +flash LED current source, LDO and synchronous Buck converter for portable +applications. It is interfaced to host controller using i2c interface. + +Required properties: +- compatible : Must be "richtek,rt5033" +- reg : Specifies the i2c slave address of general part. +- interrupts : This i2c devices has an IRQ line connected to the main SoC. +- interrupt-parent : The parent interrupt controller. + +Optional node: +Regulators: The regulators of RT5033 have to be instantiated under sub-node +named "regulators" usinge the following format. + + regulators { + regulator-name { + regulator-name = LDO/BUCK + regulator subnodes called X, Y and Z + }; + }; + refer Documentation/devicetree/bindings/regulator/regulator.txt + + +Battery charger: There battery charger of RT5033 have to be instantiated under +sub-node named "charger" using the following format. + +Required properties: +- compatible : Must be "richtek,rt5033-charger". +- richtek,pre-uamp : Current of pre-charge mode. The pre-charge current levels + are 350 mA to 650 mA programmed by I2C per 100 mA. +- richtek,pre-threshold-uvolt : Voltage of threshold pre-charge mode. Battery + voltage is below pre-charge threshold voltage, the charger is in pre-charge + mode with pre-charge current. Its levels are 2.3 V to 3.8 V programmed + by I2C per 0.1 V. +- richtek,fast-uamp : Current of fast-charge mode. The fast-charge current + levels are 700 mA to 2000 mA programmed by I2C per 100 mA. +- richtek,const-uvolt : Battery regulation voltage of constant voltage mode. + This voltage level 3.65 V to 4.4 V bye I2C per 0.025 V. +- richtek,eoc-uamp : This property is end of charge current. Its level 150 mA + to 200 mA. + + charger { + compatible = "richtek,rt5033-charger"; + richtek,pre-uamp = <350000>; + richtek,pre-threshold-uvolt = <3400000>; + richtek,fast-uamp = <2000000>; + richtek,const-uvolt = <4350000>; + richtek,eoc-uamp = <250000>; + }; + + +Fuelgauge: There fuelgauge of RT5033 to be instantiated node named "fuelgauge" +using the following format. + +Required properties: +- compatible = Must be "richtek,rt5033-battery". + + i2c_fuel: i2c@1 { + compatible = "i2c-gpio"; + standard i2c-gpio constraints... + fuelgauge { + compatible = "richtek,rt5033-battery". + }; + }; + + +Example: + + rt5033@34 { + compatible = "richtek,rt5033"; + reg = <0x34>; + interrupt-parent = <&gpx1>; + interrupts = <5 0>; + + regulators { + buck_reg: BUCK { + regulator-name = "BUCK"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + }; + }; + + charger { + compatible = "richtek,rt5033-charger"; + richtek,pre-uamp = <350000>; + richtek,pre-threshold-uvolt = <3400000>; + richtek,fast-uamp = <2000000>; + richtek,const-uvolt = <4350000>; + richtek,eoc-uamp = <250000>; + }; + + }; + + i2c_fuel: i2c@10 { + compatible = "i2c-gpio"; + gpios = <&gpm3 1 0 + &gpm3 0 0>; + + fuel: rt5033-battery@35 { + compatible = "richtek,rt5033-battery"; + interrupt-parent = <&gpx2>; + interrupts = <3 0>; + reg = <0x35>; + }; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 723999d..611b543 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -124,6 +124,7 @@ ralink Mediatek/Ralink Technology Corp. ramtron Ramtron International realtek Realtek Semiconductor Corp. renesas Renesas Electronics Corporation +richtek Richtek Technology Corporation ricoh Ricoh Co. Ltd. rockchip Fuzhou Rockchip Electronics Co., Ltd samsung Samsung Semiconductor