From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752132AbaKJHT6 (ORCPT ); Mon, 10 Nov 2014 02:19:58 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:39506 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751454AbaKJHTw (ORCPT ); Mon, 10 Nov 2014 02:19:52 -0500 X-AuditID: cbfee68e-f79b46d000002b74-2c-5460671509bd From: Beomho Seo To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org Cc: cw00.choi@samsung.com, geunsik.lim@samsung.com, inki.dae@samsung.com, sw0312.kim@samsung.com, Beomho Seo , Rob Herring , Pawel Moll , Mark Rutland , Ian campbell , Kumar Gala Subject: [PATCH v2 5/5] Documentation: Add documentation for rt5033 multifunction device Date: Mon, 10 Nov 2014 16:19:47 +0900 Message-id: <1415603987-32475-6-git-send-email-beomho.seo@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1415603987-32475-1-git-send-email-beomho.seo@samsung.com> References: <1415603987-32475-1-git-send-email-beomho.seo@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrLLMWRmVeSWpSXmKPExsWyRsSkUFc0PSHEoPuuuMXpT9vYLa5/ec5q Mf/IOVaL/jcLWS3+TGhlszj3aiWjxaT7E1gsLu+aw2bxufcIo8XS6xeZLCZMX8ti0br3CLvF jMkv2Rx4PdbMW8Pocbmvl8lj5fIvbB6bVnWyefRtWcXo8XmTXABbFJdNSmpOZllqkb5dAlfG vvuL2ApOq1Vs74xrYNwj38XIySEhYCKxaulKNghbTOLCvfVANheHkMBSRolDv3sZYYo2vX7M ApFYxCjx/8wyVginjUni86XLTCBVbAKaEu+nXGEBsUUEIiTOLpsF1sEscIxJ4uKThewgCWGB KInr+88AJTg4WARUJU4uVwUJ8wq4Seyfc4ARJCwhoCAxZ5INSJhTwF3i9swdYNcJAZVcnfkT 7DoJgXPsEv/3TWMGSbAICEh8m3yIBaJXVmLTAWaIoyUlDq64wTKBUXgBI8MqRtHUguSC4qT0 IiO94sTc4tK8dL3k/NxNjMBYOf3vWd8OxpsHrA8xCnAwKvHwOryNDxFiTSwrrsw9xGgKtGEi s5Rocj4wIvNK4g2NzYwsTE1MjY3MLc2UxHkTpH4GCwmkJ5akZqemFqQWxReV5qQWH2Jk4uCU amBczuvkmMPIyPTI48ctvVsuce9n7bQNXmb6Q+LIn6ItHdaWbHsKY35Eq34rZXT/JDajw2BC /t9bxmzMO7QnLs/eocF/f2p8rcuvNOXHh+e8fXjoZN11ASaGll7px2GG/tF9jR3Od580J81w dq2NU1yaa8GdnPFult/JwLZ1f6bJaxtUFdXLHFRiKc5INNRiLipOBACBx2XWkAIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrOIsWRmVeSWpSXmKPExsVy+t9jAV3R9IQQg1Pr+CxOf9rGbnH9y3NW i/lHzrFa9L9ZyGrxZ0Irm8W5VysZLSbdn8BicXnXHDaLz71HGC2WXr/IZDFh+loWi9a9R9gt Zkx+yebA67Fm3hpGj8t9vUweK5d/YfPYtKqTzaNvyypGj8+b5ALYohoYbTJSE1NSixRS85Lz UzLz0m2VvIPjneNNzQwMdQ0tLcyVFPISc1NtlVx8AnTdMnOATlVSKEvMKQUKBSQWFyvp22Ga EBripmsB0xih6xsSBNdjZIAGEtYwZuy7v4it4LRaxfbOuAbGPfJdjJwcEgImEpteP2aBsMUk Ltxbz9bFyMUhJLCIUeL/mWWsEE4bk8TnS5eZQKrYBDQl3k+5AtYhIhAhcXbZLBaQImaBY0wS F58sZAdJCAtESVzffwYowcHBIqAqcXK5KkiYV8BNYv+cA4wgYQkBBYk5k2xAwpwC7hK3Z+5g A7GFgEquzvzJNoGRdwEjwypG0dSC5ILipPRcI73ixNzi0rx0veT83E2M4Eh8Jr2DcVWDxSFG AQ5GJR5eh7fxIUKsiWXFlbmHGCU4mJVEeGv/A4V4UxIrq1KL8uOLSnNSiw8xmgLdNJFZSjQ5 H5gk8kriDY1NzIwsjcwNLYyMzZXEeQ+2WgcKCaQnlqRmp6YWpBbB9DFxcEo1MEqdFm+90/pz cYjId8kE10l7Zknen9cova/dvuli/T3NAL2ikNOFT1YpcM8vllmUVCCy5qv6k9ePVXeKcjbn Hhf76PhrxtTldaoW7G4/G3P3l817daR9usqiR6Ur9/R2d10OZW2TLFPe3JGx2NG5fqLdd4nL R3K+fJ1423vTZwGzTyUtNxyt25VYijMSDbWYi4oTAblQg1baAgAA 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 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