From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935132AbaH0PUi (ORCPT ); Wed, 27 Aug 2014 11:20:38 -0400 Received: from mailout3.w1.samsung.com ([210.118.77.13]:39139 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935105AbaH0PUb (ORCPT ); Wed, 27 Aug 2014 11:20:31 -0400 X-AuditID: cbfec7f5-b7f776d000003e54-ef-53fdf73c2740 From: Krzysztof Kozlowski To: Sebastian Reichel , Dmitry Eremin-Solenikov , David Woodhouse , Samuel Ortiz , Lee Jones , linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, linux-pm@vger.kernel.org Cc: Liam Girdwood , Mark Brown , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Kyungmin Park , Marek Szyprowski , Bartlomiej Zolnierkiewicz , Krzysztof Kozlowski , devicetree@vger.kernel.org Subject: [PATCH v4 7/8] devicetree: mfd: max14577: Add device tree bindings document Date: Wed, 27 Aug 2014 17:20:13 +0200 Message-id: <1409152814-17302-8-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1409152814-17302-1-git-send-email-k.kozlowski@samsung.com> References: <1409152814-17302-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrFLMWRmVeSWpSXmKPExsVy+t/xy7o23/8GG7TOlbPYOGM9q8XUh0/Y LCY9ec9sMf/IOVaLiSsnM1v0v1nIanHu1UpGi9cvDC3ONr1ht7j/9SijxbcrHUwWm793sFlc 3jWHzeJz7xFGi7VH7rJbLL1+kcliwvS1LBate4+wW5zuZrU4vbvEQcRjzbw1jB6X+3qZPHbO usvusXL5FzaPzSu0PDat6mTzuHNtD5vHvJOBHn1bVjF6fN4kF8AVxWWTkpqTWZZapG+XwJWx dNdN1oLVqhUdC9cwNTDOkuti5OSQEDCRuPNgFQuELSZx4d56ti5GLg4hgaWMEq3HZ7JCOH1M EqfezWcGqWITMJbYvHwJG4gtIrCASeLiulyQImaBF8wSj9buBisSFgiT6Fq5CqyIRUBV4vuU GUCTODh4Bdwl7r93gtgmJ3Hy2GRWEJtTwEPiZe8FJpASIaCSu/P4JzDyLmBkWMUomlqaXFCc lJ5rpFecmFtcmpeul5yfu4kREv5fdzAuPWZ1iFGAg1GJh1fh9J9gIdbEsuLK3EOMEhzMSiK8 ZQf+BgvxpiRWVqUW5ccXleakFh9iZOLglGpgzPx0rm2qqaxMQ9xDi+Y3T79UnHdewPP+pZje QZ6nEXMZHTTXzJqnkLZ+oxWv5dqlp/cotc15fe/Go4joMMafsyfWOM2RlV4s8enq39ILm/ga eq2S/O3N3Fi1JK3kz0u1zZpfmiT/nOeC4bZfK1dGJJXO4frQx5P7XnnGmsi2Q9tfeTTE1ft/ UWIpzkg01GIuKk4EAFsgeKpdAgAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add document describing device tree bindings for MAX14577 MFD drivers: MFD core, extcon, regulator and charger. Both MAX14577 and MAX77836 chipsets are documented. Signed-off-by: Krzysztof Kozlowski Cc: Kyungmin Park Cc: devicetree@vger.kernel.org Reviewed-by: Tomasz Figa --- Documentation/devicetree/bindings/mfd/max14577.txt | 146 +++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/max14577.txt diff --git a/Documentation/devicetree/bindings/mfd/max14577.txt b/Documentation/devicetree/bindings/mfd/max14577.txt new file mode 100644 index 000000000000..236264c10b92 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/max14577.txt @@ -0,0 +1,146 @@ +Maxim MAX14577/77836 Multi-Function Device + +MAX14577 is a Multi-Function Device with Micro-USB Interface Circuit, Li+ +Battery Charger and SFOUT LDO output for powering USB devices. It is +interfaced to host controller using I2C. + +MAX77836 additionally contains PMIC (with two LDO regulators) and Fuel Gauge. + + +Required properties: +- compatible : Must be "maxim,max14577" or "maxim,max77836". +- reg : I2C slave address for the max14577 chip (0x25 for max14577/max77836) +- interrupts : IRQ line for the chip. +- interrupt-parent : The parent interrupt controller. + + +Required nodes: + - charger : + Node for configuring the charger driver. + Required properties: + - compatible : "maxim,max14577-charger" + or "maxim,max77836-charger" + - maxim,fast-charge-uamp : Current in uA for Fast Charge; + Valid values: + - for max14577: 90000 - 950000; + - for max77836: 45000 - 475000; + - maxim,eoc-uamp : Current in uA for End-Of-Charge mode; + Valid values: + - for max14577: 50000 - 200000; + - for max77836: 5000 - 100000; + - maxim,ovp-uvolt : OverVoltage Protection Threshold in uV; + In an overvoltage condition, INT asserts and charging + stops. Valid values: + - 6000000, 6500000, 7000000, 7500000; + - maxim,constant-uvolt : Battery Constant Voltage in uV; + Valid values: + - 4000000 - 4280000 (step by 20000); + - 4350000; + + +Optional nodes: +- max14577-muic/max77836-muic : + Node used only by extcon consumers. + Required properties: + - compatible : "maxim,max14577-muic" or "maxim,max77836-muic" + +- regulators : + Required properties: + - compatible : "maxim,max14577-regulator" + or "maxim,max77836-regulator" + + May contain a sub-node per regulator from the list below. Each + sub-node should contain the constraints and initialization information + for that regulator. See regulator.txt for a description of standard + properties for these sub-nodes. + + List of valid regulator names: + - for max14577: CHARGER, SAFEOUT. + - for max77836: CHARGER, SAFEOUT, LDO1, LDO2. + + The SAFEOUT is a fixed voltage regulator so there is no need to specify + voltages for it. + + +Example: + +#include + +max14577@25 { + compatible = "maxim,max14577"; + reg = <0x25>; + interrupt-parent = <&gpx1>; + interrupts = <5 IRQ_TYPE_NONE>; + + muic: max14577-muic { + compatible = "maxim,max14577-muic"; + }; + + regulators { + compatible = "maxim,max14577-regulator"; + + SAFEOUT { + regulator-name = "SAFEOUT"; + }; + CHARGER { + regulator-name = "CHARGER"; + regulator-min-microamp = <90000>; + regulator-max-microamp = <950000>; + regulator-boot-on; + }; + }; + + charger { + compatible = "maxim,max14577-charger"; + + maxim,constant-uvolt = <4350000>; + maxim,fast-charge-uamp = <450000>; + maxim,eoc-uamp = <50000>; + maxim,ovp-uvolt = <6500000>; + }; +}; + + +max77836@25 { + compatible = "maxim,max77836"; + reg = <0x25>; + interrupt-parent = <&gpx1>; + interrupts = <5 IRQ_TYPE_NONE>; + + muic: max77836-muic { + compatible = "maxim,max77836-muic"; + }; + + regulators { + compatible = "maxim,max77836-regulator"; + + SAFEOUT { + regulator-name = "SAFEOUT"; + }; + CHARGER { + regulator-name = "CHARGER"; + regulator-min-microamp = <90000>; + regulator-max-microamp = <950000>; + regulator-boot-on; + }; + LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <2700000>; + regulator-max-microvolt = <2700000>; + }; + LDO2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; + }; + }; + + charger { + compatible = "maxim,max77836-charger"; + + maxim,constant-uvolt = <4350000>; + maxim,fast-charge-uamp = <225000>; + maxim,eoc-uamp = <7500>; + maxim,ovp-uvolt = <6500000>; + }; +}; -- 1.9.1