From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCCE0C67863 for ; Mon, 22 Oct 2018 07:44:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A14DC20779 for ; Mon, 22 Oct 2018 07:44:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="CmP5/V8n" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A14DC20779 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728069AbeJVQCF (ORCPT ); Mon, 22 Oct 2018 12:02:05 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:34929 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728030AbeJVQCF (ORCPT ); Mon, 22 Oct 2018 12:02:05 -0400 Received: by mail-pf1-f195.google.com with SMTP id l17-v6so19486399pff.2 for ; Mon, 22 Oct 2018 00:44:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=+Y1K5QL8FD/m4PSkMA+x2dLfylUdGuE/onAnmlwpJnk=; b=CmP5/V8nV0BmV0qLAy7IUWvAfBz0CnB7OzWcIm1CAs+IxuBnpYk3LM1C07hem02BAM Hafk97ZJew6AgGljwpg4SsBYiNVWIHKwTbNjTrULZEacFdAWpZUmpsuLJ2CTTJXcVdqK UwOj++E/noEmmUkXt5f1YtoNcs0j1RP5p/jeg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=+Y1K5QL8FD/m4PSkMA+x2dLfylUdGuE/onAnmlwpJnk=; b=e3obFVVynpGURZsqMc2nUw6QP/ao5fz1cq6R7YgLhZlrt5Ko2U40Nzl+5l48aG1Q5N MMZuSJ3xs03e3J1gLP7cHo/1zJ4z+0mil/ej6uPBaEegslgdQAW4QVc7TD1L4komistC PSPoElHC0bJBdzyE95rSDFX/kPKx9B+D8YDcU6/r1fRpQhOXCPrS+JXCnKy4HAUfNBeO buZbEJTkjLe7tGiXJqKs4mE//6RnapjJ1xc7JA0Lgq5kDkI4bVdMeCYsKAdsRsTq3WmO iH2wFSzlTIRYeiZXM6uUMmFF1yPRhwTcNFLOx/hmYNIefjYhHJgL/VF3zTXiBt9NcHsZ P5RQ== X-Gm-Message-State: ABuFfoi+lRpotvgt7cHqia3YEdQBkHoCZg6dACCtckGtzHfKN/byWQ8S euV05or/KSuFHlbTSHUZsqwCYw== X-Google-Smtp-Source: ACcGV63p/xvvH2zZNrMpgeIRCraWaYYHW3vg3mQ2MHve2ZADO/RHqVo2LcBpBVyYbAJcHWFsdXe2Cg== X-Received: by 2002:a65:47cb:: with SMTP id f11-v6mr42826682pgs.166.1540194282691; Mon, 22 Oct 2018 00:44:42 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id d186-v6sm43704253pfg.173.2018.10.22.00.44.39 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 22 Oct 2018 00:44:41 -0700 (PDT) From: Baolin Wang To: sre@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, yuanjiang.yu@unisoc.com, baolin.wang@linaro.org, broonie@kernel.org, ctatlor97@gmail.com, linus.walleij@linaro.org Subject: [PATCH v6 5/6] dt-bindings: power: Add Spreadtrum SC27XX fuel gauge unit documentation Date: Mon, 22 Oct 2018 15:44:01 +0800 Message-Id: <14b947c6195133ed93cf0302b1575c033c4ccf04.1540189330.git.baolin.wang@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the binding documentation for Spreadtrum SC27XX series PMICs fuel gauge unit device, which is used to calculate the battery capacity. Signed-off-by: Baolin Wang Reviewed-by: Linus Walleij Reviewed-by: Rob Herring --- Changes from v5: - None. Changes from v4: - None. Changes from v3: - Add reviewed tag from Rob. Changes from v2: - Add reviewed tag from Linus. Changes from v1: - Renamed GPIO property. - Use standand battery properties instead of 'sprd,inner-resist' and 'sprd,ocv-cap-table'. - Remove battery node's description. --- .../devicetree/bindings/power/supply/sc27xx-fg.txt | 52 ++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt diff --git a/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt new file mode 100644 index 0000000..98a2400 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/sc27xx-fg.txt @@ -0,0 +1,52 @@ +Spreadtrum SC27XX PMICs Fuel Gauge Unit Power Supply Bindings + +Required properties: +- compatible: Should be one of the following: + "sprd,sc2720-fgu", + "sprd,sc2721-fgu", + "sprd,sc2723-fgu", + "sprd,sc2730-fgu", + "sprd,sc2731-fgu". +- reg: The address offset of fuel gauge unit. +- battery-detect-gpios: GPIO for battery detection. +- io-channels: Specify the IIO ADC channel to get temperature. +- io-channel-names: Should be "bat-temp". +- monitored-battery: Phandle of battery characteristics devicetree node. + See Documentation/devicetree/bindings/power/supply/battery.txt + +Example: + + bat: battery { + compatible = "simple-battery"; + charge-full-design-microamp-hours = <1900000>; + constant-charge-voltage-max-microvolt = <4350000>; + ocv-capacity-celsius = <20>; + ocv-capacity-table-0 = <4185000 100>, <4113000 95>, <4066000 90>, + <4022000 85>, <3983000 80>, <3949000 75>, + <3917000 70>, <3889000 65>, <3864000 60>, + <3835000 55>, <3805000 50>, <3787000 45>, + <3777000 40>, <3773000 35>, <3770000 30>, + <3765000 25>, <3752000 20>, <3724000 15>, + <3680000 10>, <3605000 5>, <3400000 0>; + ...... + }; + + sc2731_pmic: pmic@0 { + compatible = "sprd,sc2731"; + reg = <0>; + spi-max-frequency = <26000000>; + interrupts = ; + interrupt-controller; + #interrupt-cells = <2>; + #address-cells = <1>; + #size-cells = <0>; + + fgu@a00 { + compatible = "sprd,sc2731-fgu"; + reg = <0xa00>; + battery-detect-gpios = <&pmic_eic 9 GPIO_ACTIVE_HIGH>; + io-channels = <&pmic_adc 5>; + io-channel-names = "bat-temp"; + monitored-battery = <&bat>; + }; + }; -- 1.7.9.5