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[23.128.96.18]) by mx.google.com with ESMTP id dg17si4608740edb.606.2020.07.01.14.11.22; Wed, 01 Jul 2020 14:11:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=OTIA0Sy4; spf=pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-pm-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727768AbgGAVLV (ORCPT + 10 others); Wed, 1 Jul 2020 17:11:21 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:59718 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727018AbgGAVLL (ORCPT ); Wed, 1 Jul 2020 17:11:11 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 061LB7kN032866; Wed, 1 Jul 2020 16:11:07 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1593637867; bh=HbH/vZFBhcoNmQVTTDScKJZ6t2zedwS3QC05EmL/fVg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=OTIA0Sy4ec6M3Brzv/JoduvhuM8U9uyLGIZtL5EruVxqCMtjwVn1zuhNMX1vFo4QV Hkl58DD6rZUN/O0D+m5G95PsY6Ak8zkusua1ksbSDDzVDrVQxWqcrkmonMG4ZETOui ZMsDwk/ciKlhZqTdiJIk8eR1CDCr0WAT2MrChI1s= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 061LB70d113004 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 1 Jul 2020 16:11:07 -0500 Received: from DFLE108.ent.ti.com (10.64.6.29) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 1 Jul 2020 16:11:07 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 1 Jul 2020 16:11:07 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 061LB6BH050319; Wed, 1 Jul 2020 16:11:06 -0500 From: Ricardo Rivera-Matos To: , , CC: , , , , , , , Guru Das Srinagesh Subject: [PATCH v15 1/4] power_supply: Add additional health properties to the header Date: Wed, 1 Jul 2020 16:10:41 -0500 Message-ID: <20200701211044.18590-2-r-rivera-matos@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200701211044.18590-1-r-rivera-matos@ti.com> References: <20200701211044.18590-1-r-rivera-matos@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Dan Murphy Add HEALTH_WARM, HEALTH_COOL and HEALTH_HOT to the health enum. HEALTH_WARM, HEALTH_COOL, and HEALTH_HOT properties are taken from JEITA specification JISC8712:2015 Acked-by: Andrew F. Davis Tested-by: Guru Das Srinagesh Signed-off-by: Dan Murphy --- Documentation/ABI/testing/sysfs-class-power | 3 ++- drivers/power/supply/power_supply_sysfs.c | 3 +++ include/linux/power_supply.h | 3 +++ 3 files changed, 8 insertions(+), 1 deletion(-) -- 2.27.0 diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 216d61a22f1e..40213c73bc9c 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -205,7 +205,8 @@ Description: Valid values: "Unknown", "Good", "Overheat", "Dead", "Over voltage", "Unspecified failure", "Cold", "Watchdog timer expire", "Safety timer expire", - "Over current", "Calibration required" + "Over current", "Calibration required", "Warm", + "Cool", "Hot" What: /sys/class/power_supply//precharge_current Date: June 2017 diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index bc79560229b5..4d6e1d5015d6 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -101,6 +101,9 @@ static const char * const POWER_SUPPLY_HEALTH_TEXT[] = { [POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE] = "Safety timer expire", [POWER_SUPPLY_HEALTH_OVERCURRENT] = "Over current", [POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED] = "Calibration required", + [POWER_SUPPLY_HEALTH_WARM] = "Warm", + [POWER_SUPPLY_HEALTH_COOL] = "Cool", + [POWER_SUPPLY_HEALTH_HOT] = "Hot", }; static const char * const POWER_SUPPLY_TECHNOLOGY_TEXT[] = { diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index ac1345a48ad0..b5ee35d3c304 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -62,6 +62,9 @@ enum { POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE, POWER_SUPPLY_HEALTH_OVERCURRENT, POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED, + POWER_SUPPLY_HEALTH_WARM, + POWER_SUPPLY_HEALTH_COOL, + POWER_SUPPLY_HEALTH_HOT, }; enum { From patchwork Wed Jul 1 21:10:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Rivera-Matos X-Patchwork-Id: 192180 Delivered-To: patch@linaro.org Received: by 2002:a92:d244:0:0:0:0:0 with SMTP id v4csp850499ilg; Wed, 1 Jul 2020 14:11:31 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxWsagCJFUbo/5nJ3Qp7WHqystwS/rc30Aqwtr98y/ZuUcq2xN0G28yowI+T7lQqUHrQFdu X-Received: by 2002:a17:906:6d15:: with SMTP id m21mr23900340ejr.209.1593637890884; Wed, 01 Jul 2020 14:11:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593637890; cv=none; d=google.com; s=arc-20160816; b=HNEdO0oAx8sjHboiAUkMYURZDgrF6+oMwwxbKDDf8d4xMw8wadxSJB9CU8hon0WFb4 eoFfgCQxww414fgShaCywu4tkpBOZlH6B/dW6vAmALwCVxKnHalwsIR+4ZCSxF9+555P 2K5Tec88ijRcAkObIfIpdGxvG7kfqYeD6qMMOQKWbgndJhkuTCXt2NCxaa58umSK7rlo 02j+uVcK1yvBgH3jwonXNOsEd6BzbBsJZiJ3tflfyOh4kFkDSNg2zQlDOxf7sx29w58Y gAU/V/y1fVUj4XG7J6y1Gjit+23d+lcT4h2U/8kvFDiGtMaZWXNcadoFvQoaZdTv3VTc GnpQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=cD5TXouCVg1q0HzMinj05mqRDBS/uQ6TmZTJr7iuspY=; b=QhUJkcQvm1umPvS9dR7P/yw0SdGBydShQCDDR4gNDcrdbBS5uIANkP6YNWTGdrhFtM RYQyUvjI1Mnsnw8i3Cyh87KOz+Z4N+jUZcKajKrpSS/68xHuEaye6bY6eKT9WH9ET8VJ KdvG2TXCz/i6SV6bL3rTUfZUPDDCpjDalDVw30m7g8/1wq5uv2vhBbBv3reHqveaYB0I 8lq4ah6luslTVZSJdzuRlIdu8GEx3U0HiAaglwI0Km35CBGz67lvtYKuD2Ym8M73vKgd rxhxzvRGKTi09PQjJf7C3n1Jz3B0n0wVeNYgrtbqiKhyAE9TviAGjTRouCwH+vlzJnOo D6pA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=Npfz64Il; spf=pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-pm-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. 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Signed-off-by: Dan Murphy --- .../bindings/power/supply/battery.txt | 86 +--------- .../bindings/power/supply/battery.yaml | 157 ++++++++++++++++++ 2 files changed, 158 insertions(+), 85 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/supply/battery.yaml -- 2.27.0 diff --git a/Documentation/devicetree/bindings/power/supply/battery.txt b/Documentation/devicetree/bindings/power/supply/battery.txt index 5e29595edd74..a9f80cc49068 100644 --- a/Documentation/devicetree/bindings/power/supply/battery.txt +++ b/Documentation/devicetree/bindings/power/supply/battery.txt @@ -1,87 +1,3 @@ -Battery Characteristics - -The devicetree battery node provides static battery characteristics. -In smart batteries, these are typically stored in non-volatile memory -on a fuel gauge chip. The battery node should be used where there is -no appropriate non-volatile memory, or it is unprogrammed/incorrect. - -Upstream dts files should not include battery nodes, unless the battery -represented cannot easily be replaced in the system by one of a -different type. This prevents unpredictable, potentially harmful, -behavior should a replacement that changes the battery type occur -without a corresponding update to the dtb. +The contents of this file has been moved to battery.yaml Please note that not all charger drivers respect all of the properties. - -Required Properties: - - compatible: Must be "simple-battery" - -Optional Properties: - - over-voltage-threshold-microvolt: battery over-voltage limit - - re-charge-voltage-microvolt: limit to automatically start charging again - - voltage-min-design-microvolt: drained battery voltage - - voltage-max-design-microvolt: fully charged battery voltage - - energy-full-design-microwatt-hours: battery design energy - - charge-full-design-microamp-hours: battery design capacity - - trickle-charge-current-microamp: current for trickle-charge phase - - precharge-current-microamp: current for pre-charge phase - - precharge-upper-limit-microvolt: limit when to change to constant charging - - charge-term-current-microamp: current for charge termination phase - - constant-charge-current-max-microamp: maximum constant input current - - constant-charge-voltage-max-microvolt: maximum constant input voltage - - factory-internal-resistance-micro-ohms: battery factory internal resistance - - ocv-capacity-table-0: An array providing the open circuit voltage (OCV) - of the battery and corresponding battery capacity percent, which is used - to look up battery capacity according to current OCV value. And the open - circuit voltage unit is microvolt. - - ocv-capacity-table-1: Same as ocv-capacity-table-0 - ...... - - ocv-capacity-table-n: Same as ocv-capacity-table-0 - - ocv-capacity-celsius: An array containing the temperature in degree Celsius, - for each of the battery capacity lookup table. The first temperature value - specifies the OCV table 0, and the second temperature value specifies the - OCV table 1, and so on. - - resistance-temp-table: An array providing the temperature in degree Celsius - and corresponding battery internal resistance percent, which is used to look - up the resistance percent according to current temperature to get a accurate - batterty internal resistance in different temperatures. - -Battery properties are named, where possible, for the corresponding -elements in enum power_supply_property, defined in -https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/power_supply.h - -Batteries must be referenced by chargers and/or fuel-gauges -using a phandle. The phandle's property should be named -"monitored-battery". - -Example: - - bat: battery { - compatible = "simple-battery"; - voltage-min-design-microvolt = <3200000>; - voltage-max-design-microvolt = <4200000>; - energy-full-design-microwatt-hours = <5290000>; - charge-full-design-microamp-hours = <1430000>; - precharge-current-microamp = <256000>; - charge-term-current-microamp = <128000>; - constant-charge-current-max-microamp = <900000>; - constant-charge-voltage-max-microvolt = <4200000>; - factory-internal-resistance-micro-ohms = <250000>; - ocv-capacity-celsius = <(-10) 0 10>; - ocv-capacity-table-0 = <4185000 100>, <4113000 95>, <4066000 90>, ...; - ocv-capacity-table-1 = <4200000 100>, <4185000 95>, <4113000 90>, ...; - ocv-capacity-table-2 = <4250000 100>, <4200000 95>, <4185000 90>, ...; - resistance-temp-table = <20 100>, <10 90>, <0 80>, <(-10) 60>; - }; - - charger: charger@11 { - .... - monitored-battery = <&bat>; - ... - }; - - fuel_gauge: fuel-gauge@22 { - .... - monitored-battery = <&bat>; - ... - }; diff --git a/Documentation/devicetree/bindings/power/supply/battery.yaml b/Documentation/devicetree/bindings/power/supply/battery.yaml new file mode 100644 index 000000000000..497429c21fb6 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/battery.yaml @@ -0,0 +1,157 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/battery.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Battery Characteristics + +maintainers: + - Sebastian Reichel + +description: | + The devicetree battery node provides static battery characteristics. + In smart batteries, these are typically stored in non-volatile memory + on a fuel gauge chip. The battery node should be used where there is + no appropriate non-volatile memory, or it is unprogrammed/incorrect. + + Upstream dts files should not include battery nodes, unless the battery + represented cannot easily be replaced in the system by one of a + different type. This prevents unpredictable, potentially harmful, + behavior should a replacement that changes the battery type occur + without a corresponding update to the dtb. + + Battery properties are named, where possible, for the corresponding elements + in enum power_supply_property, defined in include/linux/power_supply.h + + Batteries must be referenced by chargers and/or fuel-gauges using a phandle. + The phandle's property should be named "monitored-battery". + +properties: + compatible: + const: simple-battery + + over-voltage-threshold-microvolt: + description: battery over-voltage limit + + re-charge-voltage-microvolt: + description: limit to automatically start charging again + + voltage-min-design-microvolt: + description: drained battery voltage + + voltage-max-design-microvolt: + description: fully charged battery voltage + + energy-full-design-microwatt-hours: + description: battery design energy + + charge-full-design-microamp-hours: + description: battery design capacity + + trickle-charge-current-microamp: + description: current for trickle-charge phase + + precharge-current-microamp: + description: current for pre-charge phase + + precharge-upper-limit-microvolt: + description: limit when to change to constant charging + + charge-term-current-microamp: + description: current for charge termination phase + + constant-charge-current-max-microamp: + description: maximum constant input current + + constant-charge-voltage-max-microvolt: + description: maximum constant input voltage + + factory-internal-resistance-micro-ohms: + description: battery factory internal resistance + + monitored-battery: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the battery node being monitored + +required: + - compatible + +patternProperties: + '^ocv-capacity-table-[0-100]$': + $ref: /schema/types.yaml#/definitions/uint32-matrix + description: | + An array providing the open circuit voltage (OCV) + of the battery and corresponding battery capacity percent, which is used + to look up battery capacity according to current OCV value. And the open + circuit voltage unit is microvolt. + maxItems: 100 + items: + items: + - description: open circuit voltage (OCV) in microvolts + - description: battery capacity percent + maximum: 100 + + '^resistance-temp-table-[0-100]$': + $ref: /schema/types.yaml#/definitions/uint32-matrix + description: | + An array providing the temperature in degree Celsius + and corresponding battery internal resistance percent, which is used to + look up the resistance percent according to current temperature to get an + accurate batterty internal resistance in different temperatures. + maxItems: 100 + items: + items: + - description: internal resistance percent + - description: battery capacity percent + maximum: 100 + + '^ocv-capacity-celsius-[0-100]$': + $ref: /schema/types.yaml#/definitions/uint32-array + description: | + An array containing the temperature in degree Celsius, + for each of the battery capacity lookup table. + maxItems: 100 + items: + items: + - description: temperature in degree Celsius + - description: battery capacity percent + maximum: 100 + +additionalProperties: false + +examples: + - | + power { + #address-cells = <1>; + #size-cells = <0>; + + battery:battery { + compatible = "simple-battery"; + over-voltage-threshold-microvolt = <4500000>; + re-charge-voltage-microvolt = <250000>; + voltage-min-design-microvolt = <3200000>; + voltage-max-design-microvolt = <4200000>; + energy-full-design-microwatt-hours = <5290000>; + charge-full-design-microamp-hours = <1430000>; + precharge-current-microamp = <256000>; + precharge-upper-limit-microvolt = <2500000>; + charge-term-current-microamp = <128000>; + constant-charge-current-max-microamp = <900000>; + constant-charge-voltage-max-microvolt = <4200000>; + factory-internal-resistance-micro-ohms = <250000>; + ocv-capacity-celsius-0 = <(-10) 10>; + ocv-capacity-table-0 = <4185000 100>, <4113000 95>, <4066000 90>; + resistance-temp-table-0 = <20 100>, <10 90>, <0 80>, <(-10) 60>; + }; + + charger@11 { + reg = <0x11>; + monitored-battery = <&battery>; + }; + + fuel-gauge@22 { + reg = <0x22>; + monitored-battery = <&battery>; + }; + };