From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754580AbbAFFp7 (ORCPT ); Tue, 6 Jan 2015 00:45:59 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:22701 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751898AbbAFFp0 (ORCPT ); Tue, 6 Jan 2015 00:45:26 -0500 X-AuditID: cbfee691-f79b86d000004a5a-f4-54ab766f8094 From: Beomho Seo To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org Cc: lee.jone@linaro.org, broonie@kernel.org, sre@kernel.org, dbaryshkov@gmail.com, 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 , Lee Jones Subject: [PATCH RESEND 3/3] Documentation: Add documentation for rt5033 multifunction device Date: Tue, 06 Jan 2015 14:45:17 +0900 Message-id: <1420523117-6814-4-git-send-email-beomho.seo@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1420523117-6814-1-git-send-email-beomho.seo@samsung.com> References: <1420523117-6814-1-git-send-email-beomho.seo@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprDIsWRmVeSWpSXmKPExsWyRsSkQDe/bHWIQcthU4vTn7axW0x9+ITN 4vqX56wWk568Z7aYf+Qcq0X/m4WsFuderWS0mHR/AovF+z1nGC3ufz3KaHF51xw2i8+9Rxgt ll6/yGQxYfpaFovWvUfYLU7vLrGYMfklm4Ogx5p5axg9Lvf1MnnsnHWX3WPl8i9sHptWdbJ5 3Lm2h82jb8sqRo/Pm+QCOKK4bFJSczLLUov07RK4Mq73t7AWdKhXHH75gamB8at8FyMnh4SA icS1iz2MELaYxIV769m6GLk4hASWMkpM3/qFFabo9NKf7BCJ6UCJOT1MEE4bk8TGhkUsIFVs ApoS76dcAbNFBCIkzi6bxQJSxCxwg0li29XX7CAJYYE4iZaFT5hAbBYBVYntVy6DxXkFXCVa Px8AuoMDaJ2CxJxJNiBhTgE3iYlrNoGdJwRU8vL4OmaQmRICf9klZr9fzAoxR0Di2+RDLBC9 shKbDjBDXC0pcXDFDZYJjMILGBlWMYqmFiQXFCelF5nqFSfmFpfmpesl5+duYgRG2ul/zybu YLx/wPoQowAHoxIPr8eJlSFCrIllxZW5hxhNgTZMZJYSTc4HxnNeSbyhsZmRhamJqbGRuaWZ kjivjvTPYCGB9MSS1OzU1ILUovii0pzU4kOMTBycUg2MLKGspY/s7Sre9Ov3m88P9j+V0xEd URvs9pcxYPMP85j1Tkf+6kVqv8otfr7t/gHhxTY87Nou619kB3jvtrmmIpKxLkosULboqPHG uOZJ6nemhczb9P/Sx1s/Gz3ubFERb5nYdckt8atpaHxM0sWyaJZXV35wTDF38eIV0Pm5yd1q z4XZXnOUWIozEg21mIuKEwHO1C6XrwIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrGIsWRmVeSWpSXmKPExsVy+t9jQd38stUhBh3HdSxOf9rGbjH14RM2 i+tfnrNaTHryntli/pFzrBb9bxayWpx7tZLRYtL9CSwW7/ecYbS4//Uoo8XlXXPYLD73HmG0 WHr9IpPFhOlrWSxa9x5htzi9u8RixuSXbA6CHmvmrWH0uNzXy+Sxc9Zddo+Vy7+weWxa1cnm cefaHjaPvi2rGD0+b5IL4IhqYLTJSE1MSS1SSM1Lzk/JzEu3VfIOjneONzUzMNQ1tLQwV1LI S8xNtVVy8QnQdcvMAfpDSaEsMacUKBSQWFyspG+HaUJoiJuuBUxjhK5vSBBcj5EBGkhYw5hx vb+FtaBDveLwyw9MDYxf5bsYOTkkBEwkTi/9yQ5hi0lcuLeerYuRi0NIYDqjxPQ5PUwQThuT xMaGRSwgVWwCmhLvp1wBs0UEIiTOLpvFAlLELHCDSWLb1ddgo4QF4iRaFj5hArFZBFQltl+5 DBbnFXCVaP18gLGLkQNonYLEnEk2IGFOATeJiWs2MYLYQkAlL4+vY57AyLuAkWEVo2hqQXJB cVJ6rpFecWJucWleul5yfu4mRnAcP5PewbiqweIQowAHoxIPr8eJlSFCrIllxZW5hxglOJiV RHh3fF4VIsSbklhZlVqUH19UmpNafIjRFOioicxSosn5wBSTVxJvaGxiZmRpZG5oYWRsriTO q2TfFiIkkJ5YkpqdmlqQWgTTx8TBKdXAuNVPoP2/j320p+efhiVTT56/4sXlnvd5uXW/5sxD TVw6C1a+l9vfpPCL06tMML+ojbE5tKDz23vDrD//8jacDn5pw6N3d/v2lnNH7G4fvWy9dl/t ooysxwmVlXbmVrt++ETPls45mcc4raHWb/p/M+tbLKoepkKBJcyBXSt596SbWt6RaM9WYinO SDTUYi4qTgQAp32Y9fkCAAA= 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: Sebastian Reichel Cc: Lee Jones Cc: Mark Brown 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 -- 1.7.9.5