From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757170AbaKTNRS (ORCPT ); Thu, 20 Nov 2014 08:17:18 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:56922 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751575AbaKTNQ4 (ORCPT ); Thu, 20 Nov 2014 08:16:56 -0500 X-AuditID: cbfee690-f79ab6d0000046f7-66-546de9c1a437 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, geunsik.lim@samsung.com, inki.dae@samsung.com, sw0312.kim@samsung.com, Beomho Seo Subject: [PATCH v6 4/4] Documentation: Add documentation for rt5033 multifunction device Date: Thu, 20 Nov 2014 22:16:46 +0900 Message-id: <1416489406-12416-5-git-send-email-beomho.seo@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1416489406-12416-1-git-send-email-beomho.seo@samsung.com> References: <1416489406-12416-1-git-send-email-beomho.seo@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrIIsWRmVeSWpSXmKPExsWyRsSkUPfgy9wQg5v7BC1Of9rGbjH14RM2 i+tfnrNaTHryntli/pFzrBYTV05mtuh/s5DV4s+EVjaLc69WMlpMuj+BxeL9njOMFt+udDBZ XN41h83ic+8RRoul1y8yWUyYvpbFonXvEXaL092sFqd3l1jMmPySzUHEY828NYwel/t6mTx2 zrrL7rFy+Rc2j80rtDw2repk87hzbQ+bx7yTgR59W1YxenzeJBfAFcVlk5Kak1mWWqRvl8CV sePMHcaCyeoVm3beYG1gfC/fxcjJISFgItHyeQEjhC0mceHeerYuRi4OIYGljBJbJy5lhina e2kBE0RiOqPEpi93GSGcNiaJ9oNP2UGq2AQ0Jd5PucICYosIREicXTaLBaSIWWASs8TNtz1g O4QFoiSmvP8ONpZFQFWiZfsuNhCbV8BNYuubWaxdjBxA6xQk5kyyAQlzCrhLnLnWwwpiCwGV vOr6A3XqTA6J1UsKIcYISHybfIgFolVWYtMBqKMlJQ6uuMEygVF4ASPDKkbR1ILkguKk9CIT veLE3OLSvHS95PzcTYzAmDz979mEHYz3DlgfYhTgYFTi4U2wyA0RYk0sK67MPcRoCrRhIrOU aHI+MPLzSuINjc2MLExNTI2NzC3NlMR5X0v9DBYSSE8sSc1OTS1ILYovKs1JLT7EyMTBKdXA WHvk3vJEnqnbar6/itkycaLY1t61dT0GT+q1OrmkFpy9cSX5z5KiVzd5Q3q/HywrZZF/U+hr 8i3cTHSipFKOMPs1u4KcCMve+XZiAeZz3D7es747nWOjzZEXb7rv1acd5PgYc2dq7Zu7OkkH PhdZBDC+Mtv+/pehL/8s7lXKRjUXXzkcsun/pcRSnJFoqMVcVJwIAOdcvLzEAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrDIsWRmVeSWpSXmKPExsVy+t9jQd2DL3NDDC59Ybc4/Wkbu8XUh0/Y LK5/ec5qMenJe2aL+UfOsVpMXDmZ2aL/zUJWiz8TWtkszr1ayWgx6f4EFov3e84wWny70sFk cXnXHDaLz71HGC2WXr/IZDFh+loWi9a9R4CGdrNanN5dYjFj8ks2BxGPNfPWMHpc7utl8tg5 6y67x8rlX9g8Nq/Q8ti0qpPN4861PWwe804GevRtWcXo8XmTXABXVAOjTUZqYkpqkUJqXnJ+ SmZeuq2Sd3C8c7ypmYGhrqGlhbmSQl5ibqqtkotPgK5bZg7Qd0oKZYk5pUChgMTiYiV9O0wT QkPcdC1gGiN0fUOC4HqMDNBAwhrGjB1n7jAWTFav2LTzBmsD43v5LkZODgkBE4m9lxYwQdhi EhfurWfrYuTiEBKYziix6ctdRginjUmi/eBTdpAqNgFNifdTrrCA2CICERJnl81iASliFpjE LHHzbQ8jSEJYIEpiyvvvzCA2i4CqRMv2XWwgNq+Am8TWN7NYuxg5gNYpSMyZZAMS5hRwlzhz rYcVxBYCKnnV9YdxAiPvAkaGVYyiqQXJBcVJ6bmGesWJucWleel6yfm5mxjBMf9MagfjygaL Q4wCHIxKPLwJFrkhQqyJZcWVuYcYJTiYlUR4NXYChXhTEiurUovy44tKc1KLDzGaAh01kVlK NDkfmI7ySuINjU3MjCyNzA0tjIzNlcR5b9wEahJITyxJzU5NLUgtgulj4uCUamDUU5uYJ5hp WPpmrf5ct7LXK6ct+XOwQfTAVoWD+/vywrZ6VLZs5U/Ksp3mLqPwsIZPIK53vQmbTnfp/jm2 m4r8JCIsVdXb+DcsrU7SWXVy+VNuteXXTd39vLbkBlpF5/Hn28xY7+37Z+/j4h1fl2n7MDvN vRDZNSH6poiL3hp3jlnRac/L7JRYijMSDbWYi4oTAfw+dh8PAwAA 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 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 --- Changes in v6: Changes in v5: Changes in v4: Changes in v3: - none. Changes in v2: - Revise binding documentation. 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 -- 1.7.9.5