From patchwork Mon Apr 3 20:23:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 9660529 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3B6056032D for ; Mon, 3 Apr 2017 20:25:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C1EB20572 for ; Mon, 3 Apr 2017 20:25:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 20FFF2841C; Mon, 3 Apr 2017 20:25:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AA94B20572 for ; Mon, 3 Apr 2017 20:25:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=xjKxfCye4sLZGYijqkclEdjr9ofgc+NMQuNKoYZxFqU=; b=IPPJ54idS6FRf9vhI9tx+9KvpW FKmOptaWTov4izlF3uNlNCfIMETbNrhZ99OP3KSJ98xuPvbT+vo/UTbwUkGZouW8CJa0BOZuSED87 i5QJL8St49NyYxDNaMb8f+9d5FTFhXBbv4FbwSDJ4CLmoku3l7HBLTF8SXiaDshsYlAHjVw6UVkUp 1QQ3n9IhSrsznSx5DQEbbgb9unP+ZI0Sa/R0pwIFw4MWV6wL7sxoupPT/owFhgefK6k4UH0hpIgxq uDv+FbegbxVNw2xAoO9uZcb7gCBZP/JlLeBh09+tQMN4eYJVRO2zOfIo2O49jDl5J970yAz34EkuC vCeGu/OA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cv8XZ-0001EK-Fc; Mon, 03 Apr 2017 20:25:29 +0000 Received: from vern.gendns.com ([206.190.152.46]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cv8X4-0007sz-Q7 for linux-arm-kernel@lists.infradead.org; Mon, 03 Apr 2017 20:25:01 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=References:In-Reply-To:Message-Id:Date:Subject :Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=eYY7tPfrKZ1PXzsLedE8nzokgCMbV1Qov63eDdE9mz4=; b=Q61/sgs8q0C9Pf0SlQlUO4nLX y1RCseDdwpYJCud85mLDmZ0lLL1SGpXQOzS4c9R6hEZVhUob2P/30pgEhg/CxS7EEF8X1BEYXeqRV YRtbpe1ZLRXI9BN+0dvAWKn3Hppj2yHsx6ALsbWOPTTUUYgKXDwf/TAjNRa/wMhbghoB0ZEIUxKKm DQ3jS2HONm3SLEcLSpUeuFnZEpJbEEZ4b4/AKUpUe8/fBgYLWS2+Z+vzgDZ6Xug57FKsIqXGqnkwa RBhxrmvRCtvcr/2dEs7C5esKUD7oMvadISuf0wbHFgF5fZTGIa9ZbkwS3Ij6/CaysCfH++k8Oa+Br 4WrOSQwRw==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:58154 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.88) (envelope-from ) id 1cv8W0-002nGz-Ed; Mon, 03 Apr 2017 16:23:53 -0400 From: David Lechner To: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/3] dt-bindings: power: supply: New bindings for LEGO MINDSTORMS EV3 battery Date: Mon, 3 Apr 2017 15:23:47 -0500 Message-Id: <1491251029-23256-2-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1491251029-23256-1-git-send-email-david@lechnology.com> References: <1491251029-23256-1-git-send-email-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170403_132458_890333_18931DDC X-CRM114-Status: UNSURE ( 8.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , David Lechner , Kevin Hilman , Sekhar Nori , Sebastian Reichel , linux-kernel@vger.kernel.org, Rob Herring MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This add a new device tree binding for LEGO MINDSTORMS EV3 battery. The EV3 has some built-in capability for monitoring the attached battery. Signed-off-by: David Lechner Acked-by: Rob Herring --- .../bindings/power/supply/lego_ev3_battery.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt diff --git a/Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt b/Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt new file mode 100644 index 0000000..5485633 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt @@ -0,0 +1,21 @@ +LEGO MINDSTORMS EV3 Battery +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +LEGO MINDSTORMS EV3 has some built-in capability for monitoring the battery. +It uses 6 AA batteries or a special Li-ion rechargeable battery pack that is +detected by a key switch in the battery compartment. + +Required properties: + - compatible: Must be "lego,ev3-battery" + - io-channels: phandles to analog inputs for reading voltage and current + - io-channel-names: Must be "voltage", "current" + - rechargeable-gpios: phandle to the rechargeable battery indication gpio + +Example: + + battery { + compatible = "lego,ev3-battery"; + io-channels = <&adc 4>, <&adc 3>; + io-channel-names = "voltage", "current"; + rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>; + };