From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaewon Kim Subject: [PATCH 6/6] Documentation: Add device tree bindings document for max77843 Date: Fri, 23 Jan 2015 14:02:47 +0900 Message-ID: <1421989367-32721-7-git-send-email-jaewon02.kim@samsung.com> References: <1421989367-32721-1-git-send-email-jaewon02.kim@samsung.com> Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:11832 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750954AbbAWFDF (ORCPT ); Fri, 23 Jan 2015 00:03:05 -0500 In-reply-to: <1421989367-32721-1-git-send-email-jaewon02.kim@samsung.com> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org Cc: Inki Dae , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Lee Jones , Chanwoo Choi , Sebastian Reichel , Mark Brown , Beomho Seo , Jaewon Kim Add document describing device tree bindings for max77843 MFD. Drivers: MFD core, regulator, extcon, charger and fuelgauge. Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala Cc: Lee Jones Cc: Chanwoo Choi Cc: Sebastian Reichel Cc: Mark Brown Signed-off-by: Beomho Seo Signed-off-by: Jaewon Kim --- Documentation/devicetree/bindings/mfd/max77843.txt | 87 ++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/max77843.txt diff --git a/Documentation/devicetree/bindings/mfd/max77843.txt b/Documentation/devicetree/bindings/mfd/max77843.txt new file mode 100644 index 0000000..6895604 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/max77843.txt @@ -0,0 +1,87 @@ +Maxim MAX77843 multi-function device + +MAX77843 is a Multi-Function Device with the following submodules: +- PMIC : 2 SAFEOUT LDOs for USB device +- CHARGER : Li+ battery charger with Fuel Gauge +- MUIC : Micro USB Interface Circuit +- HAPTIC : motor control driver for haptics +- LED : 4 channel RGBW LED + +It is interfaced to host controller using I2C. + +Required properties: +- compatible : Must be "maxim,max77843". +- reg : I2C slave address of PMIC block. +- interrupts : I2C line for main SoCs. +- interrupt-parent : The parent of interrupt controller. + +Optional properties: +- regulators : The regulators of max77843 have to be instantiated under subnode + named "regulators" using the following format. + + [*]refer : Documentation/devicetree/bindings/regulator/regulator.txt + + regulators { + SAFEOUT { + regulator-name = "SAFEOUT"; + }; + } + + List of valid regulator names: + - SAFEOUT1, SAFEOUT2, CHARGER. + +- max77843-muic : This properties used by extcon consumers. + Required properties: + - compatible : Must be "maxim,max77842-muic". + +- max77843-charger : There battery charger of MAX77843 have to be instantiated + under sub-node named "max77843-charger" using the following format. + Required properties: + - compatible : Must be "maxim,max77842-charger". + - maxim,fast-charge-uamp : Fast charge current levels are + 100 mA to 3150 mA programmed by I2C per 100 mA. + - maxim,top-off-uamp : Top off current threshold levels are + 125 mA to 650 mA programmed by I2C per 75 mA. + - maxim,input-uamp-limit : Input current limit levels are + 100 mA to 3533 mA programmed by I2C per 33 mA. +- max77843-fuelgauge : There fuelgauge of MAX77843 have to be instantiated + under sub-node named "max77843-fuelgauge" using the following format. + Required properties: + - compatible : Must be "maxim,max77842-fuelgauge". + +Example: + max77843@66 { + compatible = "samsung,max77843"; + reg = <0x66>; + interrupt-parent = <&gpa1>; + interrupts = <5 2>; + + regulators { + SAFEOUT1 { + regulator-name = "SAFEOUT1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <4950000>; + }; + SAFEOUT2 { + regulator-name = "SAFEOUT2"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <4950000>; + }; + }; + + max77843-muic { + compatible = "maxim,max77843-muic"; + }; + + max77843-charger { + compatible = "maxim,max77843-charger"; + maxim,fast-charge-uamp = <450000>; + maxim,top-off-uamp = <125000>; + maxim,input-uamp-limit = <500000>; + }; + + max77843-fuelgauge { + compatible = "maxim,max77843-fuelgauge"; + }; + + }; -- 1.7.9.5