From patchwork Wed May 27 19:53:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11573853 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 114B91392 for ; Wed, 27 May 2020 19:53:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E95E3208B8 for ; Wed, 27 May 2020 19:53:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="FeEYDQzU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387480AbgE0Txs (ORCPT ); Wed, 27 May 2020 15:53:48 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:44158 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387476AbgE0Txr (ORCPT ); Wed, 27 May 2020 15:53:47 -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 04RJrjt1026845; Wed, 27 May 2020 14:53:45 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1590609225; bh=Fd0GOd5bWzZkO+RpuYD9ZKiV6KzROpTMNhgucnjGmOg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=FeEYDQzUMmb99H3R7mN2ps81wrfhN64kXl/FwrFnYVagDyjS9vBAuiR8HUj6mdHZL cLMQ+sk9HdhcyMjpcGfB1l1N00x70J05RYHvaoEwuSOG1N7M/aM2u4NOjd0tyvgVSJ X6HLgnvwe5r9hSOA4RyBDVYcRebgzIKI7Kg1H20E= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 04RJrjZ3053400 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 27 May 2020 14:53:45 -0500 Received: from DLEE101.ent.ti.com (157.170.170.31) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 27 May 2020 14:53:44 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE101.ent.ti.com (157.170.170.31) 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; Wed, 27 May 2020 14:53:44 -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 04RJriR0129581; Wed, 27 May 2020 14:53:44 -0500 From: Dan Murphy To: , , , CC: , , , Ricardo Rivera-Matos Subject: [PATCH 3/4] dt-bindings: power: Add the bindings for the bq2515x family of chargers. Date: Wed, 27 May 2020 14:53:26 -0500 Message-ID: <20200527195327.23163-3-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200527195327.23163-1-dmurphy@ti.com> References: <20200527195327.23163-1-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 | 110 ++++++++++++++++++ 1 file changed, 110 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..85bd6d57c5ab --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/bq2515x.yaml @@ -0,0 +1,110 @@ +# 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. + maxItems: 1 + + reset-gpios: + description: GPIO used for hardware reset. + maxItems: 1 + + low-power-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 + + constant-charge-current-max-microamp: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Maximum charging current in micro Amps. + minimum: 50000 + maximum: 600000 + + precharge-current-max-microamp: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Maximum precharging current in micro Amps. + minimum: 1250 + maximum: 77500 + + input-current-limit-microamp: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Maximum input current in micro Amps. + minimum: 50000 + maximum: 500000 + + constant-charge-voltage-max-microvolt: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Maximum charging voltage in micro volts. + minimum: 3600000 + maximum: 4600000 + + monitored-battery: + $ref: battery.yaml# + +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>; + }; + };