From patchwork Tue May 19 14:19:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 212002 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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 16AFFC433E4 for ; Tue, 19 May 2020 14:19:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E032F2083E for ; Tue, 19 May 2020 14:19:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="yCGIcCef" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729314AbgESOTb (ORCPT ); Tue, 19 May 2020 10:19:31 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:52948 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729134AbgESOTZ (ORCPT ); Tue, 19 May 2020 10:19:25 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04JEJLsc121159; Tue, 19 May 2020 09:19:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1589897961; bh=hvXKcUkV7XpnUy1BQBCRXKA20QIPtE7iW2gyUhNIc9Y=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=yCGIcCefiD5LydgmsakP/1HaxE1bJnvrusW3FF5KRaQfa6nN25OZJzE5mLgOGfj2X NQ9X0HrEmdfingv/QwM39axogXWcCgL8CSv4usBKAzIEj06LN07NcIBSSK0B24OTP2 7K0yl6av1JY2v0Px9QyFGpR23h90KJ7+PWHFXKjI= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 04JEJKgr035947 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 19 May 2020 09:19:21 -0500 Received: from DLEE108.ent.ti.com (157.170.170.38) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 19 May 2020 09:19:20 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE108.ent.ti.com (157.170.170.38) 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; Tue, 19 May 2020 09:19:20 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04JEJJrH060525; Tue, 19 May 2020 09:19:20 -0500 From: Dan Murphy To: CC: , , , , , Dan Murphy , Guru Das Srinagesh Subject: [PATCH v7 1/3] power_supply: Add additional health properties to the header Date: Tue, 19 May 2020 09:19:14 -0500 Message-ID: <20200519141916.28282-2-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200519141916.28282-1-dmurphy@ti.com> References: <20200519141916.28282-1-dmurphy@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 Add HEALTH_WARM, HEALTH_COOL and HEALTH_HOT to the health enum. HEALTH_WARM, HEALTH_COOL, and HEALTH_HOT properties are taken from the JEITA spec. Signed-off-by: Dan Murphy Tested-by: Guru Das Srinagesh --- Documentation/ABI/testing/sysfs-class-power | 2 +- drivers/power/supply/power_supply_sysfs.c | 2 +- include/linux/power_supply.h | 3 +++ 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index bf3b48f022dc..9f3fd01a9373 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -190,7 +190,7 @@ Description: Valid values: "Unknown", "Good", "Overheat", "Dead", "Over voltage", "Unspecified failure", "Cold", "Watchdog timer expire", "Safety timer expire", - "Over current" + "Over current", "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 f37ad4eae60b..d0d549611794 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -61,7 +61,7 @@ static const char * const power_supply_charge_type_text[] = { static const char * const power_supply_health_text[] = { "Unknown", "Good", "Overheat", "Dead", "Over voltage", "Unspecified failure", "Cold", "Watchdog timer expire", - "Safety timer expire", "Over current" + "Safety timer expire", "Over current", "Warm", "Cool", "Hot" }; static const char * const power_supply_technology_text[] = { diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index dcd5a71e6c67..8670e90c1d51 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -61,6 +61,9 @@ enum { POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE, POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE, POWER_SUPPLY_HEALTH_OVERCURRENT, + POWER_SUPPLY_HEALTH_WARM, + POWER_SUPPLY_HEALTH_COOL, + POWER_SUPPLY_HEALTH_HOT, }; enum { From patchwork Tue May 19 14:19:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 212003 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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 ED89AC433DF for ; Tue, 19 May 2020 14:19:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CCA18207D8 for ; Tue, 19 May 2020 14:19:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="YumcBaNf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729136AbgESOTZ (ORCPT ); Tue, 19 May 2020 10:19:25 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:35842 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726880AbgESOTY (ORCPT ); Tue, 19 May 2020 10:19:24 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04JEJLJg060331; Tue, 19 May 2020 09:19:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1589897961; bh=0PZ9uc/K7Q/ISWFXBqfwWDBf1DFlalurbu/xDcA+w5I=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=YumcBaNfhaODFGoqZCfJZ/1F2G9DAVim3lADnS3kFqQlaoU7nkM1A7ty2zh8O0vhl PGxdmVTxWVDrg1GJfuWAbxzCGwu+rnc/BU2dBJ1rPm90aJFL0PqQKhPbUzICnFEM93 9yxtlGRekwKaVWeyQNA3rPGL6rB4bpysu2btc79k= Received: from DFLE108.ent.ti.com (dfle108.ent.ti.com [10.64.6.29]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04JEJL6p027865; Tue, 19 May 2020 09:19:21 -0500 Received: from DFLE110.ent.ti.com (10.64.6.31) 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; Tue, 19 May 2020 09:19:21 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE110.ent.ti.com (10.64.6.31) 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; Tue, 19 May 2020 09:19:21 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04JEJKUC060548; Tue, 19 May 2020 09:19:21 -0500 From: Dan Murphy To: CC: , , , , , Ricardo Rivera-Matos Subject: [PATCH v7 2/3] Add the bindings for the bq25150 and bq25155 500mA charging ICs from Texas Instruments. Date: Tue, 19 May 2020 09:19:15 -0500 Message-ID: <20200519141916.28282-3-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200519141916.28282-1-dmurphy@ti.com> References: <20200519141916.28282-1-dmurphy@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: Ricardo Rivera-Matos The BQ2515X family of devices are highly integrated battery management ICs that integrate the most common functions for wearable devices namely a charger, an output voltage rail, ADC for battery and system monitoring, and a push-button controller. Datasheets: http://www.ti.com/lit/ds/symlink/bq25150.pdf http://www.ti.com/lit/ds/symlink/bq25155.pdf Signed-off-by: Ricardo Rivera-Matos --- .../bindings/power/supply/bq2515x.yaml | 106 ++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/bq2515x.yaml diff --git a/Documentation/devicetree/bindings/power/supply/bq2515x.yaml b/Documentation/devicetree/bindings/power/supply/bq2515x.yaml new file mode 100644 index 000000000000..83487957fc8c --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/bq2515x.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (C) 2020 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/supply/bq2515x.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: TI bq2515x 500-mA Linear charger family + +maintainers: + - Dan Murphy + - Ricardo Rivera-Matos + +description: | + The BQ2515x family is a highly integrated battery charge management IC that + integrates the most common functions for wearable devices, namely a charger, + an output voltage rail, ADC for battery and system monitoring, and + push-button controller. + + Specifications about the charger can be found at: + http://www.ti.com/lit/ds/symlink/bq25150.pdf + http://www.ti.com/lit/ds/symlink/bq25155.pdf + +properties: + compatible: + enum: + - ti,bq25150 + - ti,bq25155 + + reg: + maxItems: 1 + description: I2C address of the charger. + + ac-detect-gpios: + description: | + GPIO used for connecting the bq2515x device PG (AC Detect) + pin. This pin should be used if possible as this is the + recommended way to obtain the charger's input PG state. + If this pin is not specified a software-based approach for PG + detection is used. + + reset-gpios: + description: | + GPIO used for hardware reset. + + low-power-gpios: + description: | + GPIO used for low power mode of IC. + + charge-enable-gpios: + description: | + GPIO used to turn on and off charging. + + constant-charge-current-max-microamp: + description: | + Maximum charging current in micro Amps. + minimum: 50000 + maximum: 600000 + + precharge-current-max-microamp: + description: | + Maximum precharging current in micro Amps. + minimum: 1250 + maximum: 77500 + + input-current-limit-microamp: + description: | + Maximum input current in micro Amps. + minimum: 50000 + maximum: 500000 + + constant-charge-voltage-max-microvolt: + description: | + Maximum charging voltage in micro volts. + minimum: 3600000 + maximum: 4600000 + +required: + - compatible + - reg + +examples: + - | + bat: battery { + compatible = "simple-battery"; + constant-charge-current-max-microamp = <50000>; + precharge-current-microamp = <2500>; + constant-charge-voltage-max-microvolt = <4000000>; + }; + #include + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + bq25150: charger@6b { + compatible = "ti,bq25150"; + reg = <0x6b>; + monitored-battery = <&bat>; + input-current-limit-microamp = <100000>; + + ac-detect-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>; + low-power-gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>; + charge-enable-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; + }; + };