From patchwork Fri May 29 14:25:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anda-Maria Nicolae X-Patchwork-Id: 477929 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 2DEF7140F95 for ; Sat, 30 May 2015 00:23:01 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756166AbbE2OWv (ORCPT ); Fri, 29 May 2015 10:22:51 -0400 Received: from mga03.intel.com ([134.134.136.65]:29555 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756145AbbE2OWs (ORCPT ); Fri, 29 May 2015 10:22:48 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP; 29 May 2015 07:22:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,517,1427785200"; d="scan'208";a="702132747" Received: from anda-hp-z230-tower-workstation.rb.intel.com ([10.237.104.174]) by orsmga001.jf.intel.com with ESMTP; 29 May 2015 07:22:42 -0700 From: Anda-Maria Nicolae To: sre@kernel.org, dbaryshkov@gmail.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, dwmw2@infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 2/3] Documentation: devicetree: Add Richtek RT9455 bindings Date: Fri, 29 May 2015 17:25:44 +0300 Message-Id: <1432909545-31895-3-git-send-email-anda-maria.nicolae@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1432909545-31895-1-git-send-email-anda-maria.nicolae@intel.com> References: <1432909545-31895-1-git-send-email-anda-maria.nicolae@intel.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Signed-off-by: Anda-Maria Nicolae --- .../devicetree/bindings/power/rt9455_charger.txt | 46 ++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/rt9455_charger.txt diff --git a/Documentation/devicetree/bindings/power/rt9455_charger.txt b/Documentation/devicetree/bindings/power/rt9455_charger.txt new file mode 100644 index 0000000..0580e24 --- /dev/null +++ b/Documentation/devicetree/bindings/power/rt9455_charger.txt @@ -0,0 +1,46 @@ +Binding for Richtek rt9455 battery charger + +Required properties: +- compatible: it should contain one of the following: + "richtek,rt9455". +- reg: integer, i2c address of the device. +- interrupt-parent: the phandle for the interrupt controller that + services interrupts for this device. +- interrupts: interrupt mapping for GPIO IRQ, it should be + configured with IRQ_TYPE_LEVEL_LOW flag. +- richtek,output-charge-current: integer, output current from the charger to the + battery, in uA. +- richtek,end-of-charge-percentage: integer, percent of the output charge current. + When the current in constant-voltage phase drops + below output_charge_current x end-of-charge-percentage, + charge is terminated. +- richtek,battery-regulation-voltage: integer, maximum battery voltage in uV. +- richtek,boost-output-voltage: integer, maximum voltage provided to consumer + devices, when the charger is in boost mode. + +Optional properties: +- richtek,min-input-voltage-regulation: integer, input voltage level in uA, used to + decrease voltage level when the over current + of the input power source occurs. + This prevents input voltage drop due to insufficient + current provided by the power source. +- richtek,avg-input-current-regulation: integer, input current value drained by the + charger from the power source. + +Example: + +rt9455@22 { + compatible = "richtek,rt9455"; + reg = <0x22>; + + interrupt-parent = <&gpio1>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + + richtek,output-charge-current = <500000>; + richtek,end-of-charge-percentage = <10>; + richtek,battery-regulation-voltage = <4200000>; + richtek,boost-output-voltage = <5050000>; + + richtek,min-input-voltage-regulation = <4500000>; + richtek,avg-input-current-regulation = <500000>; +};