From patchwork Tue Apr 11 21:05:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 9676083 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 6212B600CB for ; Tue, 11 Apr 2017 21:06:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 585952857B for ; Tue, 11 Apr 2017 21:06:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4C6B52859A; Tue, 11 Apr 2017 21:06:51 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0933D2857B for ; Tue, 11 Apr 2017 21:06:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753522AbdDKVGB (ORCPT ); Tue, 11 Apr 2017 17:06:01 -0400 Received: from vern.gendns.com ([206.190.152.46]:36283 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752982AbdDKVGA (ORCPT ); Tue, 11 Apr 2017 17:06:00 -0400 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=Ft+bKpwHCTmC5n/EohmfDHC++8Xbhg1ec0YPwhN0QYU=; b=b7WVlqg9WzunnoPWQkfklR38a LhcHLqgIsWpRryN2Lk9SiMLT70eHsWpeNSoMuJOA++A4MwbkgN52B8wqgMjalGeXmpE0equLjvEcd kIIW+ClP05gH8yjNsE6A04l75GoseksgPq2xoDHgjsfcr66aMtz5mv6BFA0w1A5hrBICMivXtktlF O+F39AJsJcdq0rzeSPHmoLXTRRkOjArPpKdfL36x++9/+wJmeAmT/GhykpmzYWXPHvchDyStle4yf 2xXa4mH6bXYPqHs454GzobEfuwIWd1gWtBcll1PZxzWCNiYa+BY/wW5tEXfrLpmOt+o8LLW4d94VF iz7YNyJUA==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:58146 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.88) (envelope-from ) id 1cy2z7-0005wa-3E; Tue, 11 Apr 2017 17:05:57 -0400 From: David Lechner To: linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: David Lechner , Sebastian Reichel , Sekhar Nori , Kevin Hilman , linux-kernel@vger.kernel.org Subject: [PATCH v2 1/3] dt-bindings: power: supply: New bindings for LEGO MINDSTORMS EV3 battery Date: Tue, 11 Apr 2017 16:05:21 -0500 Message-Id: <1491944723-32174-2-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1491944723-32174-1-git-send-email-david@lechnology.com> References: <1491944723-32174-1-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 - vger.kernel.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: Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.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>; + };