From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752117AbaJTMf2 (ORCPT ); Mon, 20 Oct 2014 08:35:28 -0400 Received: from mailout1.w1.samsung.com ([210.118.77.11]:61465 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751692AbaJTMfV (ORCPT ); Mon, 20 Oct 2014 08:35:21 -0400 X-AuditID: cbfec7f5-b7f956d000005ed7-a2-544501863b70 From: Krzysztof Kozlowski To: Sebastian Reichel , Dmitry Eremin-Solenikov , David Woodhouse , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Samuel Ortiz , Lee Jones , linux-api@vger.kernel.org, devicetree@vger.kernel.org Cc: Kyungmin Park , Marek Szyprowski , Bartlomiej Zolnierkiewicz , Krzysztof Kozlowski Subject: [PATCH v2 1/5] devicetree: mfd: max77693: Document new bindings for charger Date: Mon, 20 Oct 2014 14:34:45 +0200 Message-id: <1413808489-3524-2-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1413808489-3524-1-git-send-email-k.kozlowski@samsung.com> References: <1413808489-3524-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprJLMWRmVeSWpSXmKPExsVy+t/xa7ptjK4hBo0HjSw2zljPajHpyXtm i/lHzrFaTFw5mdni9QtDi7NNb9gt7n89ymix+XsHm8XlXXPYLD73HmG0WHvkLrvF6W5Wi9O7 Sxx4PXbOusvusXmFlsemVZ1sHneu7WHzmHcy0KNvyypGj8+b5ALYo7hsUlJzMstSi/TtErgy Jl56w1pwUrTiw99rTA2MuwS7GDk5JARMJG5vPscCYYtJXLi3nq2LkYtDSGApo8SaK9sYIZw+ JomGPw/ZQarYBIwlNi9fAlYlIrCPSeLU87fMIA6zwFFGiem9b5m6GDk4hAXCJB4tVABpYBFQ lbi3op0VJMwr4Caxco4ZxDY5iZPHJrOC2JwC7hLzt3cwgthCQCWnLh5insDIu4CRYRWjaGpp ckFxUnqukV5xYm5xaV66XnJ+7iZGSHB+3cG49JjVIUYBDkYlHt4dZi4hQqyJZcWVuYcYJTiY lUR4Xf4DhXhTEiurUovy44tKc1KLDzEycXBKNTByxt564h3klbf+r11x/Of+18dTIjbw5D03 7eprrrreeiSF/aGJV/qGj8X7Yj4ckludq7nm0O2z7T/zpvP+mFOXvsPgieiHlTv5chI05Ne3 Hd2/O3y93pdOvsC8pVOu37jyxuHhhcN/5P3Uil2CJKUiS/ZGFMy5XWl+umwb5x2lgIzfrAyR 7YeUWIozEg21mIuKEwEB/WM8LAIAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Document new device tree bindings for Maxim 77693 charger driver. Signed-off-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/mfd/max77693.txt | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt index 11921cc417bf..d0c3d787df12 100644 --- a/Documentation/devicetree/bindings/mfd/max77693.txt +++ b/Documentation/devicetree/bindings/mfd/max77693.txt @@ -27,6 +27,42 @@ Optional properties: [*] refer Documentation/devicetree/bindings/regulator/regulator.txt +- charger : Node configuring the charger driver. + If present, required properties: + - compatible : Must be "maxim,max77693-charger". + + Optional properties (if not set, defaults will be used): + - maxim,constant-microvolt : Battery constant voltage in uV. The charger + will operate in fast charge constant current mode till battery voltage + reaches this level. Then the charger will switch to fast charge constant + voltage mode. Also vsys (system voltage) will be set to this value when + DC power is supplied but charger is not enabled. + Valid values: 3650000 - 4400000, step by 25000 (rounded down) + Default: 4200000 + + - maxim,min-system-microvolt : Minimal system voltage in uV. + Valid values: 3000000 - 3700000, step by 100000 (rounded down) + Default: 3600000 + + - maxim,thermal-regulation-celsius : Temperature in Celsius for entering + high temperature charging mode. If die temperature exceeds this value + the charging current will be reduced by 105 mA/Celsius. + Valid values: 70, 85, 100, 115 + Default: 100 + + - maxim,battery-overcurrent-microamp : Overcurrent protection threshold + in uA (current from battery to system). + Valid values: 2000000 - 3500000, step by 250000 (rounded down) + Default: 3500000 + + - maxim,charge-input-threshold-microvolt : Threshold voltage in uV for + triggering input voltage regulation loop. If input voltage decreases + below this value, the input current will be reduced to reach the + threshold voltage. + Valid values: 4300000, 4700000, 4800000, 4900000 + Default: 4300000 + + Example: max77693@66 { compatible = "maxim,max77693"; @@ -52,4 +88,14 @@ Example: regulator-boot-on; }; }; + + charger { + compatible = "maxim,max77693-charger"; + + maxim,constant-microvolt = <4200000>; + maxim,min-system-microvolt = <3600000>; + maxim,thermal-regulation-celsius = <75>; + maxim,battery-overcurrent-microamp = <3000000>; + maxim,charge-input-threshold-microvolt = <4300000>; + }; }; -- 1.9.1