From patchwork Tue Feb 14 09:40:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 93966 Delivered-To: patch@linaro.org Received: by 10.140.20.99 with SMTP id 90csp1577740qgi; Tue, 14 Feb 2017 06:12:09 -0800 (PST) X-Received: by 10.99.154.9 with SMTP id o9mr32769417pge.69.1487081529785; Tue, 14 Feb 2017 06:12:09 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 36si563330pgx.397.2017.02.14.06.12.09; Tue, 14 Feb 2017 06:12:09 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753782AbdBNOKb (ORCPT + 7 others); Tue, 14 Feb 2017 09:10:31 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:42988 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753107AbdBNJls (ORCPT ); Tue, 14 Feb 2017 04:41:48 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id DD2FD20B8C; Tue, 14 Feb 2017 10:41:45 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT shortcircuit=ham autolearn=disabled version=3.4.0 Received: from qschulz.home (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 75ADA20790; Tue, 14 Feb 2017 10:41:45 +0100 (CET) From: Quentin Schulz To: knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, robh+dt@kernel.org, mark.rutland@arm.com, wens@csie.org, sre@kernel.org, linux@armlinux.org.uk, maxime.ripard@free-electrons.com, lee.jones@linaro.org Cc: Quentin Schulz , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@free-electrons.com, icenowy@aosc.xyz, bonbons@linux-vserver.org Subject: [PATCH v3 02/18] power: supply: power_supply_core: add constant-current-charge optional property Date: Tue, 14 Feb 2017 10:40:56 +0100 Message-Id: <20170214094112.27426-3-quentin.schulz@free-electrons.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170214094112.27426-1-quentin.schulz@free-electrons.com> References: <20170214094112.27426-1-quentin.schulz@free-electrons.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This adds the constant-current-charge property to the list of optional properties for the battery. The constant charge current is critical for batteries as they can't handle all charge currents. Signed-off-by: Quentin Schulz --- added in v3 drivers/power/supply/power_supply_core.c | 3 +++ include/linux/power_supply.h | 1 + 2 files changed, 4 insertions(+) -- 2.9.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index ced8fef..c844def 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -498,6 +498,7 @@ int power_supply_get_battery_info(struct power_supply *psy, info->energy_full_design_uwh = -EINVAL; info->charge_full_design_uah = -EINVAL; info->voltage_min_design_uv = -EINVAL; + info->constant_charge_current_ua = -EINVAL; if (!psy->of_node) { dev_warn(&psy->dev, "%s currently only supports devicetree\n", @@ -522,6 +523,8 @@ int power_supply_get_battery_info(struct power_supply *psy, &info->charge_full_design_uah); of_property_read_u32(battery_np, "voltage-min-design-microvolt", &info->voltage_min_design_uv); + of_property_read_u32(battery_np, "constant-charge-current-microamp", + &info->constant_charge_current_ua); return 0; } diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index e84f1d3..f723a8e 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -301,6 +301,7 @@ struct power_supply_battery_info { int energy_full_design_uwh; /* microWatt-hours */ int charge_full_design_uah; /* microAmp-hours */ int voltage_min_design_uv; /* microVolts */ + int constant_charge_current_ua; /* microAmps */ }; extern struct atomic_notifier_head power_supply_notifier;