From patchwork Tue Jan 29 08:55:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Zhang X-Patchwork-Id: 1032610 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="Q7dc592W"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43pgMz4pp2z9sMM for ; Tue, 29 Jan 2019 19:56:31 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727850AbfA2I4P (ORCPT ); Tue, 29 Jan 2019 03:56:15 -0500 Received: from hqemgate14.nvidia.com ([216.228.121.143]:2035 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727145AbfA2I4M (ORCPT ); Tue, 29 Jan 2019 03:56:12 -0500 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 29 Jan 2019 00:56:13 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Tue, 29 Jan 2019 00:56:12 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Tue, 29 Jan 2019 00:56:12 -0800 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL106.nvidia.com (172.18.146.12) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 29 Jan 2019 08:56:11 +0000 Received: from HQMAIL103.nvidia.com (172.20.187.11) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 29 Jan 2019 08:56:11 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL103.nvidia.com (172.20.187.11) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Tue, 29 Jan 2019 08:56:11 +0000 Received: from localhost.localdomain (Not Verified[10.19.225.143]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Tue, 29 Jan 2019 00:56:11 -0800 From: Mark Zhang To: , , , , , CC: , Mark Zhang Subject: [PATCH v2 2/4] mfd: max77620: add documentation for backup battery charging Date: Tue, 29 Jan 2019 16:55:29 +0800 Message-ID: <20190129085531.32364-3-markz@nvidia.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20190129085531.32364-1-markz@nvidia.com> References: <20190129085531.32364-1-markz@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1548752173; bh=B2Xjyu1hXNJ6DFzr0YfoY4Ut0RKFKDHRJ5eLSK1VsuM=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:X-NVConfidentiality: Content-Transfer-Encoding:Content-Type; b=Q7dc592WyV5z9BMubEU1mp/rNOBmjAVFBUP/hqlfqRJjyFLpXS/SwAD72fHOPOuh9 DVhHlqafvlry/aYzmHdM5q2g2pGXeQm5znOqgLUWSKrWV6KnQ5VDAJvS65OKwZ43T2 HkbVUTbo9+5A2eTvwjFG6V8Bbrc6KGySvZBuhXezoVkOLP37hrScqFbpWYGOetVPt/ jCk4Cndv2WUU6E4iGSiRI8fiR4OFDap1ePT0Zbn6zePRszIh5teYR4R8GHTtQVZpOt XAwF4K0TDMDuaOVauu66UmvCGfUYsuPOpyapjanYzZWas/ZmXvI++PTpANDexgHEjN C6ktIgcbuLJiQ== Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Adding documentation for 3 new backup battery charging dts properties: - maxim,backup-battery-charging-current - maxim,backup-battery-charging-voltage - maxim,backup-battery-output-resister Signed-off-by: Mark Zhang --- .../devicetree/bindings/mfd/max77620.txt | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77620.txt b/Documentation/devicetree/bindings/mfd/max77620.txt index 9c16d51cc15b..484b17e4fba5 100644 --- a/Documentation/devicetree/bindings/mfd/max77620.txt +++ b/Documentation/devicetree/bindings/mfd/max77620.txt @@ -122,6 +122,26 @@ For DT binding details of different sub modules like GPIO, pincontrol, regulator, power, please refer respective device-tree binding document under their respective sub-system directories. +Backup Battery: +============== +This sub-node configure charging backup battery of the device. Device has +support of charging the backup battery. The subnode name is "backup-battery". +The property for backup-battery child nodes as: +Presence of this child node will enable the backup battery charging. + +Optional properties: + -maxim,backup-battery-charging-current: Charging current setting. + The device supports 50/100/200/400/600/800uA. + If this property is unavailable then it will + charge with 50uA. + -maxim,backup-battery-charging-voltage: Charging Voltage Limit Setting. + Device supports 2500000/3000000/3300000/350000uV. + Default will be set to 2500mV. The voltage will be roundoff + to nearest lower side if other than above is configured. + -maxim,backup-battery-output-resister: Output resistor on Ohm. + Device supports 100/1000/3000/6000 Ohms. + Default will be set to 1000 Ohm. + Example: -------- #include