From patchwork Thu May 11 13:42:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 99652 Delivered-To: patch@linaro.org Received: by 10.140.96.100 with SMTP id j91csp738684qge; Thu, 11 May 2017 06:43:16 -0700 (PDT) X-Received: by 10.84.238.9 with SMTP id u9mr558220plk.126.1494510195942; Thu, 11 May 2017 06:43:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1494510195; cv=none; d=google.com; s=arc-20160816; b=sXsguoUUhT649CZ7mFtqJOz1VYXBnjO7mrajKxE0L4qGwMzez3D3UorrfVa0xwJeRV NRm482UfQJ0UKZvAoVRM1X9QZo9kHx4o9XhTV9ONh7pbZoLdscn7HdhRAUxvQdh1ws7H AICogcEWEpVcRvLOi1uE5TkfauznaMOhDUr0kdjCpjhvkr5EE33jzqElZ0h619j+BXB2 vJ12/Fu7/dXBwCCyIu959DQIvm4kbfJHNRIXC3kiwkJN/mp4lLwR0OF5khb1sJLBFnrH IryM1vMGJ9bwaQLca7K+5RyXLrpUAmPQ9ipkQ7ek14Y0Z7P5nODzfCtPzV0hxGb3SNZE 3ArQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=zrj6MFFZgz7589P+4hhm+SaNRijZ9mtqLgLIazC99nA=; b=GgqRmeFoj5/BrXzmCUSTWAfhKDGkm8x2TkMnnwxILhKqf3ED1JPq1LZaIUDESZOyJz 5hHbvtrPuiFLCaP9008z12SKbOx8ek6ddZpPdAZAVz+EFnI0TPZ3KSNDZDLbgexI2CCZ OIEETyec3zDmnYY8W975KLhVmSSGao6E/4TOHwt/Y4C7gDt1/zZ0rSqmabdtWAOMa3gi /xqhCr8gjF+vEnNMNNwL+6gAt29OQLPGXwRqYcLP1Z6ixh+kqqYuh7urmKvpO4znUmR+ dwFZTB2JFSp4bd7g9Cz3K0Et9Zfbz5PC102T6/LnxmJeXIVAO9GerAcYtexL6N+DtTSJ Sy3w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z61si185061plb.68.2017.05.11.06.43.14; Thu, 11 May 2017 06:43:15 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-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 linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932474AbdEKNmq (ORCPT + 25 others); Thu, 11 May 2017 09:42:46 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:34111 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755566AbdEKNmm (ORCPT ); Thu, 11 May 2017 09:42:42 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id 773DC21D45; Thu, 11 May 2017 15:42:40 +0200 (CEST) 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 localhost.localdomain (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 36A4320F67; Thu, 11 May 2017 15:42:40 +0200 (CEST) From: Quentin Schulz To: sre@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, wens@csie.org Cc: Quentin Schulz , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, liam@networkimprov.net, thomas.petazzoni@free-electrons.com, linux-sunxi@googlegroups.com Subject: [PATCH 1/4] power: supply: axp20x_battery: add support for DT battery Date: Thu, 11 May 2017 15:42:17 +0200 Message-Id: <20170511134221.5569-2-quentin.schulz@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170511134221.5569-1-quentin.schulz@free-electrons.com> References: <20170511134221.5569-1-quentin.schulz@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds support in X-Powers AXP20X and AXP22X battery driver for a fixed battery in DT. It will take the minimum supported voltage by the battery as defined in the battery DT node and set the V_OFF register to this value, telling the system to shut down if the supplied power is below this value. Signed-off-by: Quentin Schulz --- drivers/power/supply/axp20x_battery.c | 10 ++++++++++ 1 file changed, 10 insertions(+) -- 2.11.0 diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c index 5d29b2eab8fc..66f530541735 100644 --- a/drivers/power/supply/axp20x_battery.c +++ b/drivers/power/supply/axp20x_battery.c @@ -433,6 +433,7 @@ static int axp20x_power_probe(struct platform_device *pdev) { struct axp20x_batt_ps *axp20x_batt; struct power_supply_config psy_cfg = {}; + struct power_supply_battery_info info; if (!of_device_is_available(pdev->dev.of_node)) return -ENODEV; @@ -484,6 +485,15 @@ static int axp20x_power_probe(struct platform_device *pdev) return PTR_ERR(axp20x_batt->batt); } + if (!power_supply_get_battery_info(axp20x_batt->batt, &info)) { + int vmin = info.voltage_min_design_uv; + + if (vmin > 0 && axp20x_set_voltage_min_design(axp20x_batt, + vmin)) + dev_err(&pdev->dev, + "couldn't set voltage_min_design\n"); + } + return 0; }