From patchwork Mon Jun 22 19:18:36 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: 211774 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=-10.1 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 CBEA6C433E3 for ; Mon, 22 Jun 2020 19:19:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A97C920842 for ; Mon, 22 Jun 2020 19:19:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Z1wc7dK4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728068AbgFVTTI (ORCPT ); Mon, 22 Jun 2020 15:19:08 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:35300 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728055AbgFVTTH (ORCPT ); Mon, 22 Jun 2020 15:19:07 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 05MJJ43W058979; Mon, 22 Jun 2020 14:19:04 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1592853544; bh=ZstndLk6u/034bZljKN8MB1z73DcjcfF2rm1+6YzVls=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Z1wc7dK4jQuoeq7QlohjXJWCfz1fQug2i3ORa+B6KHIF+uePTHukowHUtqEGs1HJ3 o5VJRPPUze8p1rBo+F9Dj9kQrgZmWIGVZH/Jg/34z7waeZZxPk0NSNqfNkLLg+xWBE DeJ4akuIUgiBAIEDdfHXLlWoSHIhLpcUYjF4vURw= Received: from DFLE114.ent.ti.com (dfle114.ent.ti.com [10.64.6.35]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 05MJJ43Y042412 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 22 Jun 2020 14:19:04 -0500 Received: from DFLE103.ent.ti.com (10.64.6.24) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Mon, 22 Jun 2020 14:19:04 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE103.ent.ti.com (10.64.6.24) 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; Mon, 22 Jun 2020 14:19:04 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 05MJJ4PW020966; Mon, 22 Jun 2020 14:19:04 -0500 From: Ricardo Rivera-Matos To: , , CC: , , , , , , Subject: [PATCH v13 3/4] dt-bindings: power: Add the bindings for the bq2515x family of chargers. Date: Mon, 22 Jun 2020 14:18:36 -0500 Message-ID: <20200622191837.9326-4-r-rivera-matos@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200622191837.9326-1-r-rivera-matos@ti.com> References: <20200622191837.9326-1-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 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 | 93 +++++++++++++++++++ 1 file changed, 93 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..75a56773be4a --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/bq2515x.yaml @@ -0,0 +1,93 @@ +# 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. + maxItems: 1 + + reset-gpios: + description: GPIO used for hardware reset. + maxItems: 1 + + powerdown-gpios: + description: GPIO used for low power mode of IC. + maxItems: 1 + + charge-enable-gpios: + description: GPIO used to turn on and off charging. + maxItems: 1 + + input-current-limit-microamp: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Maximum input current in micro Amps. + minimum: 50000 + maximum: 500000 + + monitored-battery: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the battery node being monitored + +required: + - compatible + - reg + - monitored-battery + +additionalProperties: false + +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>; + powerdown-gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>; + charge-enable-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; + }; + };