From patchwork Fri May 1 17:51:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11523111 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 B0D7715AB for ; Fri, 1 May 2020 18:02:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98B6F208DB for ; Fri, 1 May 2020 18:02:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="HtTbWt0e" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729609AbgEASCK (ORCPT ); Fri, 1 May 2020 14:02:10 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:33616 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729599AbgEASCK (ORCPT ); Fri, 1 May 2020 14:02:10 -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 041I28nJ043044; Fri, 1 May 2020 13:02:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1588356128; bh=yGnuyaql2OihOk/f8RBTV56LnwcUhwGV6AH75gvHuDg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=HtTbWt0e92Y1ufpp4093A6PI5IkwO1vKMYk8kgpvehaBsKNpKo3teF/rkEdS2aRA6 N2osuE4gApT7cHjB02W8eBSdJWydyNhSQnqM2bFpEZx8rRImUY3KmhWke5anz5V3UG ADaCWcsCLn5MNBZ19CVKEP8MjnGQFB946OL767Rk= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 041I289F065464 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 1 May 2020 13:02:08 -0500 Received: from DFLE101.ent.ti.com (10.64.6.22) 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; Fri, 1 May 2020 12:59:59 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE101.ent.ti.com (10.64.6.22) 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, 1 May 2020 12:59:58 -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 041HxwxB122297; Fri, 1 May 2020 12:59:59 -0500 From: Dan Murphy To: CC: , , , Ricardo Rivera-Matos , Rob Herring Subject: [PATCH v5 2/3] Add the bindings for the bq25150 and bq25155 500mA charging ICs from Texas Instruments. Date: Fri, 1 May 2020 12:51:17 -0500 Message-ID: <20200501175118.26226-3-dmurphy@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200501175118.26226-1-dmurphy@ti.com> References: <20200501175118.26226-1-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 Description: 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 CC: Rob Herring Signed-off-by: Ricardo Rivera-Matos --- .../bindings/power/supply/bq2515x.yaml | 99 +++++++++++++++++++ 1 file changed, 99 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..673caf67a993 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/bq2515x.yaml @@ -0,0 +1,99 @@ +# 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 + +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 + + 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: + - | + #include + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + charger@6b { + compatible = "ti,bq25150"; + reg = <0x6b>; + + 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>; + constant-charge-current-max-microamp = <300000>; + constant-charge-voltage-max-microvolt = <4200000>; + precharge-current-max-microamp = <2500>; + input-current-limit-microamp = <100000>; + }; + };