From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757407AbaGAHDD (ORCPT ); Tue, 1 Jul 2014 03:03:03 -0400 Received: from mailout4.w1.samsung.com ([210.118.77.14]:22530 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754117AbaGAHCX (ORCPT ); Tue, 1 Jul 2014 03:02:23 -0400 X-AuditID: cbfec7f5-b7f626d000004b39-97-53b25cfbfa88 From: Krzysztof Kozlowski To: Dmitry Eremin-Solenikov , David Woodhouse , linux-kernel@vger.kernel.org Cc: Samuel Ortiz , Lee Jones , Liam Girdwood , Mark Brown , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Kyungmin Park , Marek Szyprowski , Bartlomiej Zolnierkiewicz , Krzysztof Kozlowski , Tomasz Figa , devicetree@vger.kernel.org Subject: [RESEND PATCH 5/5] devicetree: mfd: max14577: Add device tree bindings document Date: Tue, 01 Jul 2014 09:02:00 +0200 Message-id: <1404198121-22989-6-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1404198121-22989-1-git-send-email-k.kozlowski@samsung.com> References: <1404198121-22989-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrELMWRmVeSWpSXmKPExsVy+t/xq7q/YzYFG0zulbDYOGM9q8XUh0/Y LCY9ec9sMf/IOVaLiSsnM1v0v1nIanHu1UpGi9cvDC3ONr1ht7j/9SijxbcrHUwWl3fNYbNY e+Quu8XS6xeZLCZMX8ti0br3CLvF6W5Wi/UzXrM4CHmsmbeG0eNyXy+Tx85Zd9k9Vi7/wuax eYWWx6ZVnWwed67tYfOYdzLQo2/LKkaPz5vkAriiuGxSUnMyy1KL9O0SuDIW721mLPinUfF0 4xT2Bsa5il2MnBwSAiYSZ37+Z4GwxSQu3FvP1sXIxSEksJRR4m7HQkYIp49J4sHp5ewgVWwC xhKbly9hA7FFBColvp0+wQJSxCxwjUXi9Pf9rCAJYYEoiTUvX4M1sAioSpxpng9UxMHBK+Au sa9NHGKbnMTJY5PByjkFPCRO9j9lBLGFgEou3PnDOIGRdwEjwypG0dTS5ILipPRcI73ixNzi 0rx0veT83E2MkHD/uoNx6TGrQ4wCHIxKPLwv9DcFC7EmlhVX5h5ilOBgVhLh5fQDCvGmJFZW pRblxxeV5qQWH2Jk4uCUamD0CuNul77bwqucUZ6T/6yj++zkn8l6xxijc/4dO7A3S2xF5rmb nf3/Nv/frhzz/6zXA5mzB3SXsssIJU2NzWthDWg/3L0ys1ffj3PikR8FAtd3/d7OPiszJkPs /NbaE4s9eldfKzjdcX/+RYsFT8Vj/zD+jLuRqRO+5OHMwi/COWdPx6sedFmuxFKckWioxVxU nAgAfqrWilUCAAA= 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: Tomasz Figa Cc: devicetree@vger.kernel.org Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala Reviewed-by: Tomasz Figa --- Documentation/devicetree/bindings/mfd/max14577.txt | 152 +++++++++++++++++++++ 1 file changed, 152 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..b235250a7b41 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/max14577.txt @@ -0,0 +1,152 @@ +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-timer : Timer in hours to trigger the + INT3/MBCCHGERR interrupt; Valid values: + - 5, 6 or 7 (hours), + - 0 to disable. + - 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,fast-charge-timer = <6>; + 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,fast-charge-timer = <6>; + maxim,constant-uvolt = <4350000>; + maxim,fast-charge-uamp = <225000>; + maxim,eoc-uamp = <7500>; + maxim,ovp-uvolt = <6500000>; + }; +}; -- 1.9.1