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=-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,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 B2B77C433E2 for ; Fri, 15 May 2020 19:41:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8477320787 for ; Fri, 15 May 2020 19:41:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="notruPyO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726872AbgEOTlg (ORCPT ); Fri, 15 May 2020 15:41:36 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:48528 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726732AbgEOTle (ORCPT ); Fri, 15 May 2020 15:41:34 -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 04FJfWsi014881; Fri, 15 May 2020 14:41:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1589571692; bh=aNAqnPafOIHJEDzD0ZOb6pUjTvOyPosvVU/R0S1SQmE=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=notruPyOyadzPsHs4BHXQlHXEqp+Y816LerNEQObcuKKPCFXNuDFBSLBz/Cn0sPUN 83IMMs/sTVDTGn0GqAdGEFGpBP29zat6ZR430dDKvMQ2V7ECTC7A19Tfpsh2BDO92P BsgFGHvnnWUa52pTNE74QkkYA5SOrprX58Bh2/nE= Received: from DFLE113.ent.ti.com (dfle113.ent.ti.com [10.64.6.34]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04FJfWoS021073; Fri, 15 May 2020 14:41:32 -0500 Received: from DFLE100.ent.ti.com (10.64.6.21) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Fri, 15 May 2020 14:41:32 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE100.ent.ti.com (10.64.6.21) 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; Fri, 15 May 2020 14:41:32 -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 04FJfVcl035446; Fri, 15 May 2020 14:41:32 -0500 From: Dan Murphy To: CC: , , , , , Ricardo Rivera-Matos Subject: [PATCH 2/3] Add the bindings for the bq25150 and bq25155 500mA charging ICs from Texas Instruments. Date: Fri, 15 May 2020 14:31:47 -0500 Message-ID: <20200515193148.8502-3-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200515193148.8502-1-dmurphy@ti.com> References: <20200515193148.8502-1-dmurphy@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 wearbale 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>; + }; + }; -- 2.26.2