From patchwork Sun Jun 7 14:41:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 11591623 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A14461752 for ; Sun, 7 Jun 2020 14:46:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 87311206C3 for ; Sun, 7 Jun 2020 14:46:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="h5k/BpkW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726714AbgFGOpz (ORCPT ); Sun, 7 Jun 2020 10:45:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726684AbgFGOpV (ORCPT ); Sun, 7 Jun 2020 10:45:21 -0400 Received: from mail-lj1-x244.google.com (mail-lj1-x244.google.com [IPv6:2a00:1450:4864:20::244]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4E86EC08C5C4; Sun, 7 Jun 2020 07:45:21 -0700 (PDT) Received: by mail-lj1-x244.google.com with SMTP id x18so838764lji.1; Sun, 07 Jun 2020 07:45:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=FBWrwuGDYKLF1vOWbwPhfzrgLBpIGQxKlTKbvNiY2ss=; b=h5k/BpkWLZlZJyeH4iWB7dTj3NqUreNyP4nokCg0nqCnreEhjJQ37Mb8Uyr62J10p0 ZU/5EGzD1sXYrsRf2HNkMVl0jB/FsKYbGJ6nbHKOnnKde7WCrBFaSnISynVP/2+NbqWO wNBmkRJiX1pcXaHm9KH0CqNZjCslESM2m61q16NXhNQk/SFK0zlPz9FvvOiXtj484lWR AkEw0kLHgKN5p12imeG+ZpziGh47a/8VjAh+E2vsq7Y1D759p2pBODb+Sxt1wF3Kgsfl H6dKsrTJqF61qLsasH/KT5zhL8/LkCQi2sQ4NAe4jD4vqpSjsBP7jLMsxKhUtFUda78Y RGmg== 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:mime-version:content-transfer-encoding; bh=FBWrwuGDYKLF1vOWbwPhfzrgLBpIGQxKlTKbvNiY2ss=; b=g8Jk/68Iig6WoALRiAXQv3wNmbGKXCw2I8dnaO+pFgCzhceLtx1zPtaayeVwAHPBEd YGji49DOilAUg2ppCdsu63x/jrG0A6zEjgB2jLpoi+6FkH9rd4QQIJKG5drOnyf3FRr1 OXFGvld6x4lds7emAGbgjTLEaEoxIGscaTp+hYnpaUv8k4tLi8dpCdEYz4AWVSjN26Ct ScH2n56rnLYhX2ejh2p7SWnIroZ1y/uLRquZ0Y/uhXP3J7ZpqT1aAEyj8hzakey82mmg BI9Lyg2zPnWe7cu85+dwCzaR+gu6kuhuxIPhgInjC4hmak4qX9ae21wQSpRefSsgdeSE 8PNQ== X-Gm-Message-State: AOAM532Sz31eSESMcMWR+POuNzdnAUMR52oCBq6GycbhGzhzzhbOFHGA oz3JfVYn29MsDbuK4j/TU18= X-Google-Smtp-Source: ABdhPJwduQ6Mg5XXVMUnf5kjLG+sCaJFsEsnZP6qobIVMm1rtA3asW69nA6EPCERg0uVYiLDxboYsg== X-Received: by 2002:a2e:8747:: with SMTP id q7mr8329350ljj.459.1591541119855; Sun, 07 Jun 2020 07:45:19 -0700 (PDT) Received: from localhost.localdomain (79-139-237-54.dynamic.spd-mgts.ru. [79.139.237.54]) by smtp.gmail.com with ESMTPSA id g24sm4059724lfh.90.2020.06.07.07.45.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jun 2020 07:45:19 -0700 (PDT) From: Dmitry Osipenko To: Sebastian Reichel , Rob Herring , Andy Gross , Bjorn Andersson , David Heidelberg Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Jonghwa Lee , John Stultz , Vinay Simha BN Subject: [PATCH v2 3/9] power: supply: Support battery temperature device-tree properties Date: Sun, 7 Jun 2020 17:41:07 +0300 Message-Id: <20200607144113.10202-4-digetx@gmail.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200607144113.10202-1-digetx@gmail.com> References: <20200607144113.10202-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The generic battery temperature properties are already supported by the power-supply core. Let's support parsing of the common battery temperature properties from a device-tree. Signed-off-by: Dmitry Osipenko --- drivers/power/supply/power_supply_core.c | 18 ++++++++++++++++++ include/linux/power_supply.h | 6 ++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index 02b37fe6061c..8b54a5a107d7 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -579,6 +579,12 @@ int power_supply_get_battery_info(struct power_supply *psy, info->charge_term_current_ua = -EINVAL; info->constant_charge_current_max_ua = -EINVAL; info->constant_charge_voltage_max_uv = -EINVAL; + info->temp_ambient_alert_min = INT_MIN; + info->temp_ambient_alert_max = INT_MAX; + info->temp_alert_min = INT_MIN; + info->temp_alert_max = INT_MAX; + info->temp_min = INT_MIN; + info->temp_max = INT_MAX; info->factory_internal_resistance_uohm = -EINVAL; info->resist_table = NULL; @@ -638,6 +644,18 @@ int power_supply_get_battery_info(struct power_supply *psy, &info->constant_charge_voltage_max_uv); of_property_read_u32(battery_np, "factory-internal-resistance-micro-ohms", &info->factory_internal_resistance_uohm); + of_property_read_u32(battery_np, "temperature-ambient-min-alert-celsius", + &info->temp_ambient_alert_min); + of_property_read_u32(battery_np, "temperature-ambient-max-alert-celsius", + &info->temp_ambient_alert_max); + of_property_read_u32(battery_np, "temperature-min-alert-celsius", + &info->temp_alert_min); + of_property_read_u32(battery_np, "temperature-max-alert-celsius", + &info->temp_alert_max); + of_property_read_u32(battery_np, "temperature-min-celsius", + &info->temp_min); + of_property_read_u32(battery_np, "temperature-max-celsius", + &info->temp_max); len = of_property_count_u32_elems(battery_np, "ocv-capacity-celsius"); if (len < 0 && len != -EINVAL) { diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index ac1345a48ad0..31fcadd81d63 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -361,6 +361,12 @@ struct power_supply_battery_info { int constant_charge_voltage_max_uv; /* microVolts */ int factory_internal_resistance_uohm; /* microOhms */ int ocv_temp[POWER_SUPPLY_OCV_TEMP_MAX];/* celsius */ + int temp_ambient_alert_min; /* celsius */ + int temp_ambient_alert_max; /* celsius */ + int temp_alert_min; /* celsius */ + int temp_alert_max; /* celsius */ + int temp_min; /* celsius */ + int temp_max; /* celsius */ struct power_supply_battery_ocv_table *ocv_table[POWER_SUPPLY_OCV_TEMP_MAX]; int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX]; struct power_supply_resistance_temp_table *resist_table;