From patchwork Thu Apr 30 15:58:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: saravanan sekar X-Patchwork-Id: 11520777 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 90D83139A for ; Thu, 30 Apr 2020 15:58:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A52320775 for ; Thu, 30 Apr 2020 15:58:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QyNrwT+W" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727079AbgD3P6X (ORCPT ); Thu, 30 Apr 2020 11:58:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726420AbgD3P6W (ORCPT ); Thu, 30 Apr 2020 11:58:22 -0400 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1ACD0C035495; Thu, 30 Apr 2020 08:58:21 -0700 (PDT) Received: by mail-wm1-x343.google.com with SMTP id h4so2468207wmb.4; Thu, 30 Apr 2020 08:58:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=aPPULoNFOiHN1wQeO/5XgTLf2n39COR44XZpOJQLw28=; b=QyNrwT+WNXchl+9yKQicG4Q3p56veqUYcTRzcIlqNU1z7zPsdYa/L7H1C6RbEn2ZjI 7GI6LfwhnzkW9tc9htFUibUuZTSDXPMwXXAuSUBqb1Zq1E/QbFJ+7TWFtxl3vZqwJwOv ZHqzp+RbuvRGNofkpczTN+HogOVx7ydvXbc1WeVEJCx7oz+TjnY+H3pFqOqjYrTNcW7Y cworM0Q4P0+fN6GjDfTA3J6rr+hm0FR878ILWgXdPWXEtDA2H2ZJ/DGtVuuvONLjM6PK DOTqkGY+OvZ6T/x4qDIxX5CkS9w9P0o7Bc68pvxSKe3vfgdqiQFxuXYATydTBATDDlVT ++fA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=aPPULoNFOiHN1wQeO/5XgTLf2n39COR44XZpOJQLw28=; b=FaDt1uV/IgJwuZ516BbO/Ok1Hi8gkbyGYGAQVatNShRf2ib8KWiziFsuK4La9a8peS b6TgqV4TY/0cXOdH6ShYIFcBNSdX01sOERKNB6+0cgjoXlyL+g7WpqhCgXFYutsiNxFR zo0+AyGzipyNZqOFG2TBRLcoadsBOxdgmj59OIvC5893UFQrdNbyyMAScJ08dO4pKab4 H3vIi4hDopsMyCZ7QdyJ2qPOtxxhqKPtjD1GEt+lcR+44nrbH8PuxScmF1Y98aXzmYYJ VuC8NGXyovQevwfnPSxx+bBW+Zgeo31Wxzm6EHRda1MIGGXirt0/rEG4s5vyi9TbVcr3 4XnA== X-Gm-Message-State: AGi0Pubzop41TtfPMTeM0+s1U4oawZHPNSXqLFWHo+GKwDiHTIROiPyV 2rlwpDzWn8b7+2IRm/oT/8g= X-Google-Smtp-Source: APiQypJ06DFupF/Xb94Fv10hDtfNyoH65DEbcEDGvCnSx5MMfP8FGTMn+W/k6TY0AwEgN1w+0d89JA== X-Received: by 2002:a1c:99d3:: with SMTP id b202mr3848184wme.126.1588262299841; Thu, 30 Apr 2020 08:58:19 -0700 (PDT) Received: from localhost.localdomain (p5B3F6E9D.dip0.t-ipconnect.de. [91.63.110.157]) by smtp.gmail.com with ESMTPSA id w8sm265410wrs.25.2020.04.30.08.58.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2020 08:58:19 -0700 (PDT) From: Saravanan Sekar To: lee.jones@linaro.org, andy.shevchenko@gmail.com, robh+dt@kernel.org, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, sre@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-pm@vger.kernel.org, Saravanan Sekar Subject: [PATCH v11 1/6] dt-bindings: mfd: add document bindings for mp2629 Date: Thu, 30 Apr 2020 17:58:05 +0200 Message-Id: <20200430155810.21383-2-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200430155810.21383-1-sravanhome@gmail.com> References: <20200430155810.21383-1-sravanhome@gmail.com> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add device tree binding information for mp2629 mfd driver. Signed-off-by: Saravanan Sekar Reviewed-by: Andy Shevchenko Reviewed-by: Rob Herring --- .../devicetree/bindings/mfd/mps,mp2629.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/mps,mp2629.yaml diff --git a/Documentation/devicetree/bindings/mfd/mps,mp2629.yaml b/Documentation/devicetree/bindings/mfd/mps,mp2629.yaml new file mode 100644 index 000000000000..f91acc42d652 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/mps,mp2629.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/mps,mp2629.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MP2629 Battery Charger PMIC from Monolithic Power System. + +maintainers: + - Saravanan Sekar + +description: | + MP2629 is a PMIC providing battery charging and power supply for smartphones, + wireless camera and portable devices. Chip is controlled over I2C. + + The battery charge management device handles battery charger controller and + ADC IIO device for battery, system voltage + +properties: + compatible: + const: mps,mp2629 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + description: + The first cell is the IRQ number, the second cell is the trigger type. + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@4b { + compatible = "mps,mp2629"; + reg = <0x4b>; + + interrupt-controller; + interrupt-parent = <&gpio2>; + #interrupt-cells = <2>; + interrupts = <3 IRQ_TYPE_LEVEL_HIGH>; + }; + }; From patchwork Thu Apr 30 15:58:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: saravanan sekar X-Patchwork-Id: 11520775 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 4046B1575 for ; Thu, 30 Apr 2020 15:58:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 295FA20873 for ; Thu, 30 Apr 2020 15:58:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="uMesZMTq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727085AbgD3P6X (ORCPT ); Thu, 30 Apr 2020 11:58:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727047AbgD3P6W (ORCPT ); Thu, 30 Apr 2020 11:58:22 -0400 Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 757D5C035494; Thu, 30 Apr 2020 08:58:22 -0700 (PDT) Received: by mail-wm1-x344.google.com with SMTP id h4so2468308wmb.4; Thu, 30 Apr 2020 08:58:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=nQ2ddjLlBkAtBwQbixHu3U6EPtVP9VADMtMpycnZHaw=; b=uMesZMTqwpF/kXGLstvkYU2tgW8IzsgE+3B0yMTa4k9InLZ/5dOu8LYTSTP4GekzOT 3eZafGoNxuhvPBxaUZVaGroIEfjvrduBqNIza3mfBV/d9PG+5G5xW6QHfgCftNKd+MhG piJuMept7OHxWxf+uS7Dd7IXIcPRtxjh3J6TVOATOgmpb3zb6vc1hypqMQREOeuNScjx 0t10LwwiWQPE6lJnqyHJL5KmGnz9SUoG/htY0WmHfrSvE9j6A2SE29+8guVw9slG9g81 S0Q3dkq8MIHQguCNY0/l+2vqkNLrT07RWu27NPFkbuT4dDk+zFGAtheRY7yR0BJbEGSy gBBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=nQ2ddjLlBkAtBwQbixHu3U6EPtVP9VADMtMpycnZHaw=; b=iu2VKeAypZjqbY6ojs7D1jA70f+HPHEfOy1CZADvUuXVqES/WtB1Z9MFGHWYwFbjDA NSHyCE5sWWWjicy+PuICka0xzrHt9MAfDposr8SmZALIuHcq8RRwHCiQvCH0D1kpT61C AyiqP3Eko202AiPmA5JKdgqPzNsD8dh/UFNXy7/MyODge2WtSouVQD9B8H6FnNfULXEa /+fDrSximuDY2krLcS2EaGUbqhJ08A4j4Noxz4t5us37BtmTZWb1gvirZUl54ixf7hFO 9A90YJ9YeBRJNlJP8CJxrZSEU4FklQTzw/M9PluapbDPiFp7P5FM+Iq2bTns0f3DIn/3 apKA== X-Gm-Message-State: AGi0Pub2sSkx7wxlorXIGFCj7aZf9JaCL1wA38X1iG1nB8Uw2jWufw2t ruQ+aE3bBvzH/5UESD2vx7g= X-Google-Smtp-Source: APiQypKanavEYvqbbh9UvwSDEYoLz6Hd2PEJeIVlZ4CDZc5Gx+9KVrVspTa/s3lvNLx6vrAe3swxCw== X-Received: by 2002:a1c:41d7:: with SMTP id o206mr3752993wma.89.1588262301193; Thu, 30 Apr 2020 08:58:21 -0700 (PDT) Received: from localhost.localdomain (p5B3F6E9D.dip0.t-ipconnect.de. [91.63.110.157]) by smtp.gmail.com with ESMTPSA id w8sm265410wrs.25.2020.04.30.08.58.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2020 08:58:20 -0700 (PDT) From: Saravanan Sekar To: lee.jones@linaro.org, andy.shevchenko@gmail.com, robh+dt@kernel.org, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, sre@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-pm@vger.kernel.org, Saravanan Sekar Subject: [PATCH v11 2/6] mfd: mp2629: Add support for mps battery charger Date: Thu, 30 Apr 2020 17:58:06 +0200 Message-Id: <20200430155810.21383-3-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200430155810.21383-1-sravanhome@gmail.com> References: <20200430155810.21383-1-sravanhome@gmail.com> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org mp2629 is a highly-integrated switching-mode battery charge management device for single-cell Li-ion or Li-polymer battery. Add MFD core enables chip access for ADC driver for battery readings, and a power supply battery-charger driver Signed-off-by: Saravanan Sekar Reviewed-by: Andy Shevchenko Reviewed-by: Jonathan Cameron --- drivers/mfd/Kconfig | 9 +++++ drivers/mfd/Makefile | 2 + drivers/mfd/mp2629.c | 79 ++++++++++++++++++++++++++++++++++++++ include/linux/mfd/mp2629.h | 17 ++++++++ 4 files changed, 107 insertions(+) create mode 100644 drivers/mfd/mp2629.c create mode 100644 include/linux/mfd/mp2629.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 3c547ed575e6..fbf287098970 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -434,6 +434,15 @@ config MFD_MC13XXX_I2C help Select this if your MC13xxx is connected via an I2C bus. +config MFD_MP2629 + tristate "Monolithic Power Systems MP2629 ADC and Battery charger" + depends on I2C + select REGMAP_I2C + help + Select this option to enable support for Monolithic Power Systems + battery charger. This provides ADC, thermal and battery charger power + management functions. + config MFD_MXS_LRADC tristate "Freescale i.MX23/i.MX28 LRADC" depends on ARCH_MXS || COMPILE_TEST diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index f935d10cbf0f..d6c210f96d02 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -170,6 +170,8 @@ obj-$(CONFIG_MFD_MAX8925) += max8925.o obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o obj-$(CONFIG_MFD_MAX8998) += max8998.o max8998-irq.o +obj-$(CONFIG_MFD_MP2629) += mp2629.o + pcf50633-objs := pcf50633-core.o pcf50633-irq.o obj-$(CONFIG_MFD_PCF50633) += pcf50633.o obj-$(CONFIG_PCF50633_ADC) += pcf50633-adc.o diff --git a/drivers/mfd/mp2629.c b/drivers/mfd/mp2629.c new file mode 100644 index 000000000000..16840ec5fd1c --- /dev/null +++ b/drivers/mfd/mp2629.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * MP2629 parent driver for ADC and battery charger + * + * Copyright 2020 Monolithic Power Systems, Inc + * + * Author: Saravanan Sekar + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +static const struct mfd_cell mp2629_cell[] = { + { + .name = "mp2629_adc", + .of_compatible = "mps,mp2629_adc", + }, + { + .name = "mp2629_charger", + .of_compatible = "mps,mp2629_charger", + } +}; + +static const struct regmap_config mp2629_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x17, +}; + +static int mp2629_probe(struct i2c_client *client) +{ + struct mp2629_data *ddata; + int ret; + + ddata = devm_kzalloc(&client->dev, sizeof(*ddata), GFP_KERNEL); + if (!ddata) + return -ENOMEM; + + ddata->dev = &client->dev; + i2c_set_clientdata(client, ddata); + + ddata->regmap = devm_regmap_init_i2c(client, &mp2629_regmap_config); + if (IS_ERR(ddata->regmap)) { + dev_err(ddata->dev, "Failed to allocate regmap\n"); + return PTR_ERR(ddata->regmap); + } + + ret = devm_mfd_add_devices(ddata->dev, PLATFORM_DEVID_AUTO, mp2629_cell, + ARRAY_SIZE(mp2629_cell), NULL, 0, NULL); + if (ret) + dev_err(ddata->dev, "Failed to register sub-devices %d\n", ret); + + return ret; +} + +static const struct of_device_id mp2629_of_match[] = { + { .compatible = "mps,mp2629"}, + { } +}; +MODULE_DEVICE_TABLE(of, mp2629_of_match); + +static struct i2c_driver mp2629_driver = { + .driver = { + .name = "mp2629", + .of_match_table = mp2629_of_match, + }, + .probe_new = mp2629_probe, +}; +module_i2c_driver(mp2629_driver); + +MODULE_AUTHOR("Saravanan Sekar "); +MODULE_DESCRIPTION("MP2629 Battery charger parent driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/mfd/mp2629.h b/include/linux/mfd/mp2629.h new file mode 100644 index 000000000000..baaeeaf82949 --- /dev/null +++ b/include/linux/mfd/mp2629.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2020 Monolithic Power Systems, Inc + */ + +#ifndef __MP2629_H__ +#define __MP2629_H__ + +#include +#include + +struct mp2629_data { + struct device *dev; + struct regmap *regmap; +}; + +#endif From patchwork Thu Apr 30 15:58:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: saravanan sekar X-Patchwork-Id: 11520773 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 DDDE71575 for ; Thu, 30 Apr 2020 15:58:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C0F5820775 for ; Thu, 30 Apr 2020 15:58:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="pIwDMUzn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727784AbgD3P6Z (ORCPT ); Thu, 30 Apr 2020 11:58:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727119AbgD3P6Y (ORCPT ); Thu, 30 Apr 2020 11:58:24 -0400 Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35FDFC035494; Thu, 30 Apr 2020 08:58:24 -0700 (PDT) Received: by mail-wr1-x442.google.com with SMTP id o27so2270280wra.12; Thu, 30 Apr 2020 08:58:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=krsJoHSLnmMJARLXP7EOD/HnlOZwXRLMjw5VOiRBMwc=; b=pIwDMUznrBHIl9GJTuRitypXkvM0nWu8MBWXvntwc2H1yoc117xK5Q7utZZmpG0Js0 3ExzwqfHrftlSzjTVzXLb205LTeFhN7MIIFVNqcfpWEtm8AQTE260vDP+u+nOA6qssp1 MnCh6tG/CdSY3WSNpOx0J/43CE3IdiwzTKR/UbkYR337wXZBpAHShuisaoTkhSvl/iBq yvTgwn6cZntRttZATrzRnZ/GVs4TNqyZPX4iOiVAB7fkE42P1WUn9PN04IyVztTSMeB8 GSAUzwGAOQ0xHUiHAE45k1DD22NIkZ55EgNYpmtZave52ilcYmfa0cqLRPTiOpnyXthL T4xA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=krsJoHSLnmMJARLXP7EOD/HnlOZwXRLMjw5VOiRBMwc=; b=OxzkfikGzU4ED1Ibu7VRvJUQYutS6Fk19d2ZXCRJ7rQvoyzWbEYLSbB3hmsiAAqfLY wFK/itOtnHDdeuVj32t3CxARYjrT3mDmrsyOTpZxWUH5sQ849gmk871oZdAnkxqfb1s0 kYFMuwQyhEhB7nlpCkaNFfUGL6nbDPSWGqtDd7at0RfLUkDu7+bfyOv33Ir7oClmnnaH ab+ScQuUI6yfYnSW3ig7LN/Bw3hftc1zpN29MeXDAs/1Py8dfGwOLFuxRm578FwTJ47C UE1w3m/28zoKms66Dyxhq7EgIofU1SQK2tMzzWpfDn+7D8hXpsmFVt22kDv7Hy2L5xxw Nsmg== X-Gm-Message-State: AGi0PuZZ94HUEUUUrByNOOSs9fbHDVhYBxF4Vr2uHuafCJsuyuGfJ3jp boUakJC0DCuCIuVC1+fl0qg= X-Google-Smtp-Source: APiQypKSRlKrcsmuTIumSNAxOEpHQTKulDoRXX6udxW16UXMjerDaROfKeX+rllDq24UkQ2KiV3PiA== X-Received: by 2002:adf:aad4:: with SMTP id i20mr4437535wrc.47.1588262302903; Thu, 30 Apr 2020 08:58:22 -0700 (PDT) Received: from localhost.localdomain (p5B3F6E9D.dip0.t-ipconnect.de. [91.63.110.157]) by smtp.gmail.com with ESMTPSA id w8sm265410wrs.25.2020.04.30.08.58.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2020 08:58:21 -0700 (PDT) From: Saravanan Sekar To: lee.jones@linaro.org, andy.shevchenko@gmail.com, robh+dt@kernel.org, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, sre@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-pm@vger.kernel.org, Saravanan Sekar Subject: [PATCH v11 3/6] iio: adc: mp2629: Add support for mp2629 ADC driver Date: Thu, 30 Apr 2020 17:58:07 +0200 Message-Id: <20200430155810.21383-4-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200430155810.21383-1-sravanhome@gmail.com> References: <20200430155810.21383-1-sravanhome@gmail.com> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add support for 8-bit resolution ADC readings for input power supply and battery charging measurement. Provides voltage, current readings to mp2629 power supply driver. Signed-off-by: Saravanan Sekar Reviewed-by: Andy Shevchenko Reviewed-by: Jonathan Cameron --- drivers/iio/adc/Kconfig | 10 ++ drivers/iio/adc/Makefile | 1 + drivers/iio/adc/mp2629_adc.c | 208 +++++++++++++++++++++++++++++++++++ include/linux/mfd/mp2629.h | 9 ++ 4 files changed, 228 insertions(+) create mode 100644 drivers/iio/adc/mp2629_adc.c diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 82e33082958c..ef0c0cd31855 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -680,6 +680,16 @@ config MESON_SARADC To compile this driver as a module, choose M here: the module will be called meson_saradc. +config MP2629_ADC + tristate "Monolithic MP2629 ADC driver" + depends on MFD_MP2629 + help + Say yes to have support for battery charger IC MP2629 ADC device + accessed over I2C. + + This driver provides ADC conversion of system, input power supply + and battery voltage & current information. + config NAU7802 tristate "Nuvoton NAU7802 ADC driver" depends on I2C diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile index 919228900df9..f14416c245a6 100644 --- a/drivers/iio/adc/Makefile +++ b/drivers/iio/adc/Makefile @@ -64,6 +64,7 @@ obj-$(CONFIG_MCP3911) += mcp3911.o obj-$(CONFIG_MEDIATEK_MT6577_AUXADC) += mt6577_auxadc.o obj-$(CONFIG_MEN_Z188_ADC) += men_z188_adc.o obj-$(CONFIG_MESON_SARADC) += meson_saradc.o +obj-$(CONFIG_MP2629_ADC) += mp2629_adc.o obj-$(CONFIG_MXS_LRADC_ADC) += mxs-lradc-adc.o obj-$(CONFIG_NAU7802) += nau7802.o obj-$(CONFIG_NPCM_ADC) += npcm_adc.o diff --git a/drivers/iio/adc/mp2629_adc.c b/drivers/iio/adc/mp2629_adc.c new file mode 100644 index 000000000000..331a9a728217 --- /dev/null +++ b/drivers/iio/adc/mp2629_adc.c @@ -0,0 +1,208 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * MP2629 Driver for ADC + * + * Copyright 2020 Monolithic Power Systems, Inc + * + * Author: Saravanan Sekar + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define MP2629_REG_ADC_CTRL 0x03 +#define MP2629_REG_BATT_VOLT 0x0e +#define MP2629_REG_SYSTEM_VOLT 0x0f +#define MP2629_REG_INPUT_VOLT 0x11 +#define MP2629_REG_BATT_CURRENT 0x12 +#define MP2629_REG_INPUT_CURRENT 0x13 + +#define MP2629_ADC_START BIT(7) +#define MP2629_ADC_CONTINUOUS BIT(6) + +#define MP2629_MAP(_mp, _mpc) IIO_MAP(#_mp, "mp2629_charger", "mp2629-"_mpc) + +#define MP2629_ADC_CHAN(_ch, _type) { \ + .type = _type, \ + .indexed = 1, \ + .datasheet_name = #_ch, \ + .channel = MP2629_ ## _ch, \ + .address = MP2629_REG_ ## _ch, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ +} + +struct mp2629_adc { + struct regmap *regmap; + struct device *dev; +}; + +static struct iio_chan_spec mp2629_channels[] = { + MP2629_ADC_CHAN(BATT_VOLT, IIO_VOLTAGE), + MP2629_ADC_CHAN(SYSTEM_VOLT, IIO_VOLTAGE), + MP2629_ADC_CHAN(INPUT_VOLT, IIO_VOLTAGE), + MP2629_ADC_CHAN(BATT_CURRENT, IIO_CURRENT), + MP2629_ADC_CHAN(INPUT_CURRENT, IIO_CURRENT) +}; + +static struct iio_map mp2629_adc_maps[] = { + MP2629_MAP(BATT_VOLT, "batt-volt"), + MP2629_MAP(SYSTEM_VOLT, "system-volt"), + MP2629_MAP(INPUT_VOLT, "input-volt"), + MP2629_MAP(BATT_CURRENT, "batt-current"), + MP2629_MAP(INPUT_CURRENT, "input-current") +}; + +static int mp2629_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct mp2629_adc *info = iio_priv(indio_dev); + unsigned int rval; + int ret; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + ret = regmap_read(info->regmap, chan->address, &rval); + if (ret) + return ret; + + if (chan->address == MP2629_INPUT_VOLT) + rval &= GENMASK(6, 0); + *val = rval; + return IIO_VAL_INT; + + case IIO_CHAN_INFO_SCALE: + switch (chan->channel) { + case MP2629_BATT_VOLT: + case MP2629_SYSTEM_VOLT: + *val = 20; + return IIO_VAL_INT; + + case MP2629_INPUT_VOLT: + *val = 60; + return IIO_VAL_INT; + + case MP2629_BATT_CURRENT: + *val = 175; + *val2 = 10; + return IIO_VAL_FRACTIONAL; + + case MP2629_INPUT_CURRENT: + *val = 133; + *val2 = 10; + return IIO_VAL_FRACTIONAL; + + default: + return -EINVAL; + } + + default: + return -EINVAL; + } +} + +static const struct iio_info mp2629_adc_info = { + .read_raw = &mp2629_read_raw, +}; + +static int mp2629_adc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct mp2629_data *ddata = dev_get_drvdata(dev->parent); + struct mp2629_adc *info; + struct iio_dev *indio_dev; + int ret; + + indio_dev = devm_iio_device_alloc(dev, sizeof(*info)); + if (!indio_dev) + return -ENOMEM; + + info = iio_priv(indio_dev); + info->regmap = ddata->regmap; + info->dev = dev; + platform_set_drvdata(pdev, indio_dev); + + ret = regmap_update_bits(info->regmap, MP2629_REG_ADC_CTRL, + MP2629_ADC_START | MP2629_ADC_CONTINUOUS, + MP2629_ADC_START | MP2629_ADC_CONTINUOUS); + if (ret) { + dev_err(dev, "adc enable fail: %d\n", ret); + return ret; + } + + ret = iio_map_array_register(indio_dev, mp2629_adc_maps); + if (ret) { + dev_err(dev, "IIO maps register fail: %d\n", ret); + goto fail_disable; + } + + indio_dev->name = "mp2629-adc"; + indio_dev->dev.parent = dev; + indio_dev->channels = mp2629_channels; + indio_dev->num_channels = ARRAY_SIZE(mp2629_channels); + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->info = &mp2629_adc_info; + + ret = iio_device_register(indio_dev); + if (ret) { + dev_err(dev, "IIO device register fail: %d\n", ret); + goto fail_map_unregister; + } + + return 0; + +fail_map_unregister: + iio_map_array_unregister(indio_dev); + +fail_disable: + regmap_update_bits(info->regmap, MP2629_REG_ADC_CTRL, + MP2629_ADC_CONTINUOUS, 0); + regmap_update_bits(info->regmap, MP2629_REG_ADC_CTRL, + MP2629_ADC_START, 0); + + return ret; +} + +static int mp2629_adc_remove(struct platform_device *pdev) +{ + struct iio_dev *indio_dev = platform_get_drvdata(pdev); + struct mp2629_adc *info = iio_priv(indio_dev); + + iio_device_unregister(indio_dev); + + iio_map_array_unregister(indio_dev); + + regmap_update_bits(info->regmap, MP2629_REG_ADC_CTRL, + MP2629_ADC_CONTINUOUS, 0); + regmap_update_bits(info->regmap, MP2629_REG_ADC_CTRL, + MP2629_ADC_START, 0); + + return 0; +} + +static const struct of_device_id mp2629_adc_of_match[] = { + { .compatible = "mps,mp2629_adc"}, + {} +}; +MODULE_DEVICE_TABLE(of, mp2629_adc_of_match); + +static struct platform_driver mp2629_adc_driver = { + .driver = { + .name = "mp2629_adc", + .of_match_table = mp2629_adc_of_match, + }, + .probe = mp2629_adc_probe, + .remove = mp2629_adc_remove, +}; +module_platform_driver(mp2629_adc_driver); + +MODULE_AUTHOR("Saravanan Sekar "); +MODULE_DESCRIPTION("MP2629 ADC driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/mfd/mp2629.h b/include/linux/mfd/mp2629.h index baaeeaf82949..89b706900b57 100644 --- a/include/linux/mfd/mp2629.h +++ b/include/linux/mfd/mp2629.h @@ -14,4 +14,13 @@ struct mp2629_data { struct regmap *regmap; }; +enum mp2629_adc_chan { + MP2629_BATT_VOLT, + MP2629_SYSTEM_VOLT, + MP2629_INPUT_VOLT, + MP2629_BATT_CURRENT, + MP2629_INPUT_CURRENT, + MP2629_ADC_CHAN_END +}; + #endif From patchwork Thu Apr 30 15:58:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: saravanan sekar X-Patchwork-Id: 11520761 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 9401D139A for ; Thu, 30 Apr 2020 15:58:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C80E2082E for ; Thu, 30 Apr 2020 15:58:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fpiQ6+rD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727827AbgD3P61 (ORCPT ); Thu, 30 Apr 2020 11:58:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46514 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727820AbgD3P60 (ORCPT ); Thu, 30 Apr 2020 11:58:26 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1FFA0C035494; Thu, 30 Apr 2020 08:58:26 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id x18so7599409wrq.2; Thu, 30 Apr 2020 08:58:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=xGWeN6DYSUTNFdkB/LrTKQ0+w0hyFSFG8I1mWAxMMTI=; b=fpiQ6+rD6PhAq5slfFyydDVDkiKZllrJmMWTPXA5PP8VoQIDy5MIHRff0sNMYyqK0P viWE252BNrDNOAJUGX5TqLqTKzcbwzBD864caEgmjq18z4tjM50MVMe5l3AgYANpT/uN 0LdEKEpFCnvGkH/fARvaDfTCiab3Wx8S6O0AHvyS0PyTDP3+n18n7N9xOTLWI/CS54XM d1GR1zdrLM+6KZ+D4+r3iFmcJroeT6xfxSCOR5QK01zawi9fIh22bTlyf1dC5WWHcSNR H2eOTb/laxJTXNkHiQFCwCZciQiYQfuqPLcYIvNMIWXxZClqLB6mjxEw7aPDCrPFiCMD Aekg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=xGWeN6DYSUTNFdkB/LrTKQ0+w0hyFSFG8I1mWAxMMTI=; b=bZtvKQfb2uYQmoNKtTf5Rl5K9R/OfxzFNkH3qO9r4ExYcRWotem2GBiPoXJHdU6vgb ELVlNd8jnnf5uMh5FtjW/r01kLB//sacz1x51GI/9jrf15l451b8PkSK0hq6zkGiNGkd CRiiwxXUpF/TgyxRBcdtgYFUA7EL4xDEPk29tYwLqH9vgkH9gplaf0la9nht2oHVdNHC iKNXb9QPDmXF4L7/UJm2OnhIlKUaQXLt4FrsaOg0Orq2rgcXS3kCoHG2LgjYfqSdCcFA DZTjRUV884b26Cmh/iqdWErVmy3ViKLIaWpkKnqrl3NCJ3gaKtTKN8i5DDLn1lpONAvR nc9w== X-Gm-Message-State: AGi0PuaEpKM4Y2FCGDDh7By5cQ/xwHBsftQjvuCzFKMTKlHB7tjPHVl7 cBBeoJRvKenbQjycKc3JzQE= X-Google-Smtp-Source: APiQypL0TQ+dfTNLIGCyjWex9O8nt6OhDSO7CjTGO7/XRyWDetqw5Ly/P83tn3g6YRFB5nzMWSATJw== X-Received: by 2002:adf:f343:: with SMTP id e3mr4543495wrp.51.1588262304596; Thu, 30 Apr 2020 08:58:24 -0700 (PDT) Received: from localhost.localdomain (p5B3F6E9D.dip0.t-ipconnect.de. [91.63.110.157]) by smtp.gmail.com with ESMTPSA id w8sm265410wrs.25.2020.04.30.08.58.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2020 08:58:23 -0700 (PDT) From: Saravanan Sekar To: lee.jones@linaro.org, andy.shevchenko@gmail.com, robh+dt@kernel.org, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, sre@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-pm@vger.kernel.org, Saravanan Sekar Subject: [PATCH v11 4/6] power: supply: Add support for mps mp2629 battery charger Date: Thu, 30 Apr 2020 17:58:08 +0200 Message-Id: <20200430155810.21383-5-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200430155810.21383-1-sravanhome@gmail.com> References: <20200430155810.21383-1-sravanhome@gmail.com> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org The mp2629 provides switching-mode battery charge management for single-cell Li-ion or Li-polymer battery. Driver supports the access/control input source and battery charging parameters. Signed-off-by: Saravanan Sekar Reviewed-by: Andy Shevchenko Reviewed-by: Sebastian Reichel --- drivers/power/supply/Kconfig | 10 + drivers/power/supply/Makefile | 1 + drivers/power/supply/mp2629_charger.c | 669 ++++++++++++++++++++++++++ 3 files changed, 680 insertions(+) create mode 100644 drivers/power/supply/mp2629_charger.c diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig index f3424fdce341..a46643f5e2fb 100644 --- a/drivers/power/supply/Kconfig +++ b/drivers/power/supply/Kconfig @@ -541,6 +541,16 @@ config CHARGER_MAX8998 Say Y to enable support for the battery charger control sysfs and platform data of MAX8998/LP3974 PMICs. +config CHARGER_MP2629 + tristate "Monolithic power system MP2629 Battery charger" + depends on MFD_MP2629 + depends on MP2629_ADC + depends on IIO + help + Select this option to enable support for Monolithic power system + Battery charger. This driver provides Battery charger power management + functions on the systems. + config CHARGER_QCOM_SMBB tristate "Qualcomm Switch-Mode Battery Charger and Boost" depends on MFD_SPMI_PMIC || COMPILE_TEST diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile index 6c7da920ea83..41cb64f09e49 100644 --- a/drivers/power/supply/Makefile +++ b/drivers/power/supply/Makefile @@ -75,6 +75,7 @@ obj-$(CONFIG_CHARGER_MAX77650) += max77650-charger.o obj-$(CONFIG_CHARGER_MAX77693) += max77693_charger.o obj-$(CONFIG_CHARGER_MAX8997) += max8997_charger.o obj-$(CONFIG_CHARGER_MAX8998) += max8998_charger.o +obj-$(CONFIG_CHARGER_MP2629) += mp2629_charger.o obj-$(CONFIG_CHARGER_QCOM_SMBB) += qcom_smbb.o obj-$(CONFIG_CHARGER_BQ2415X) += bq2415x_charger.o obj-$(CONFIG_CHARGER_BQ24190) += bq24190_charger.o diff --git a/drivers/power/supply/mp2629_charger.c b/drivers/power/supply/mp2629_charger.c new file mode 100644 index 000000000000..bdf924b73e47 --- /dev/null +++ b/drivers/power/supply/mp2629_charger.c @@ -0,0 +1,669 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * MP2629 battery charger driver + * + * Copyright 2020 Monolithic Power Systems, Inc + * + * Author: Saravanan Sekar + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define MP2629_REG_INPUT_ILIM 0x00 +#define MP2629_REG_INPUT_VLIM 0x01 +#define MP2629_REG_CHARGE_CTRL 0x04 +#define MP2629_REG_CHARGE_ILIM 0x05 +#define MP2629_REG_PRECHARGE 0x06 +#define MP2629_REG_TERM_CURRENT 0x06 +#define MP2629_REG_CHARGE_VLIM 0x07 +#define MP2629_REG_TIMER_CTRL 0x08 +#define MP2629_REG_IMPEDANCE_COMP 0x09 +#define MP2629_REG_INTERRUPT 0x0b +#define MP2629_REG_STATUS 0x0c +#define MP2629_REG_FAULT 0x0d + +#define MP2629_MASK_INPUT_TYPE GENMASK(7, 5) +#define MP2629_MASK_CHARGE_TYPE GENMASK(4, 3) +#define MP2629_MASK_CHARGE_CTRL GENMASK(5, 4) +#define MP2629_MASK_WDOG_CTRL GENMASK(5, 4) +#define MP2629_MASK_IMPEDANCE GENMASK(7, 4) + +#define MP2629_INPUTSOURCE_CHANGE GENMASK(7, 5) +#define MP2629_CHARGING_CHANGE GENMASK(4, 3) +#define MP2629_FAULT_BATTERY BIT(3) +#define MP2629_FAULT_THERMAL BIT(4) +#define MP2629_FAULT_INPUT BIT(5) +#define MP2629_FAULT_OTG BIT(6) + +#define MP2629_MAX_BATT_CAPACITY 100 + +#define MP2629_PROPS(_idx, _min, _max, _step) \ + [_idx] = { \ + .min = _min, \ + .max = _max, \ + .step = _step, \ +} + +enum mp2629_source_type { + MP2629_SOURCE_TYPE_NO_INPUT, + MP2629_SOURCE_TYPE_NON_STD, + MP2629_SOURCE_TYPE_SDP, + MP2629_SOURCE_TYPE_CDP, + MP2629_SOURCE_TYPE_DCP, + MP2629_SOURCE_TYPE_OTG = 7, +}; + +enum mp2629_field { + INPUT_ILIM, + INPUT_VLIM, + CHARGE_ILIM, + CHARGE_VLIM, + PRECHARGE, + TERM_CURRENT, + MP2629_MAX_FIELD +}; + +struct mp2629_charger { + struct device *dev; + int status; + int fault; + + struct regmap *regmap; + struct regmap_field *regmap_fields[MP2629_MAX_FIELD]; + struct mutex lock; + struct power_supply *usb; + struct power_supply *battery; + struct iio_channel *iiochan[MP2629_ADC_CHAN_END]; +}; + +struct mp2629_prop { + int reg; + int mask; + int min; + int max; + int step; + int shift; +}; + +static enum power_supply_usb_type mp2629_usb_types[] = { + POWER_SUPPLY_USB_TYPE_SDP, + POWER_SUPPLY_USB_TYPE_DCP, + POWER_SUPPLY_USB_TYPE_CDP, + POWER_SUPPLY_USB_TYPE_PD_DRP, + POWER_SUPPLY_USB_TYPE_UNKNOWN +}; + +static enum power_supply_property mp2629_charger_usb_props[] = { + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_USB_TYPE, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, + POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT, +}; + +static enum power_supply_property mp2629_charger_bat_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_PRECHARGE_CURRENT, + POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX, +}; + +static struct mp2629_prop props[] = { + MP2629_PROPS(INPUT_ILIM, 100000, 3250000, 50000), + MP2629_PROPS(INPUT_VLIM, 3800000, 5300000, 100000), + MP2629_PROPS(CHARGE_ILIM, 320000, 4520000, 40000), + MP2629_PROPS(CHARGE_VLIM, 3400000, 4670000, 10000), + MP2629_PROPS(PRECHARGE, 120000, 720000, 40000), + MP2629_PROPS(TERM_CURRENT, 80000, 680000, 40000), +}; + +static const struct reg_field mp2629_reg_fields[] = { + [INPUT_ILIM] = REG_FIELD(MP2629_REG_INPUT_ILIM, 0, 5), + [INPUT_VLIM] = REG_FIELD(MP2629_REG_INPUT_VLIM, 0, 3), + [CHARGE_ILIM] = REG_FIELD(MP2629_REG_CHARGE_ILIM, 0, 6), + [CHARGE_VLIM] = REG_FIELD(MP2629_REG_CHARGE_VLIM, 1, 7), + [PRECHARGE] = REG_FIELD(MP2629_REG_PRECHARGE, 4, 7), + [TERM_CURRENT] = REG_FIELD(MP2629_REG_TERM_CURRENT, 0, 3), +}; + +static char *adc_chan_name[] = { + "mp2629-batt-volt", + "mp2629-system-volt", + "mp2629-input-volt", + "mp2629-batt-current", + "mp2629-input-current", +}; + +static int mp2629_read_adc(struct mp2629_charger *charger, + enum mp2629_adc_chan ch, + union power_supply_propval *val) +{ + int ret; + int chval; + + ret = iio_read_channel_processed(charger->iiochan[ch], &chval); + if (ret) + return ret; + + val->intval = chval * 1000; + + return 0; +} + +static int mp2629_get_prop(struct mp2629_charger *charger, + enum mp2629_field fld, + union power_supply_propval *val) +{ + int ret; + unsigned int rval; + + ret = regmap_field_read(charger->regmap_fields[fld], &rval); + if (ret) + return ret; + + val->intval = rval * props[fld].step + props[fld].min; + + return 0; +} + +static int mp2629_set_prop(struct mp2629_charger *charger, + enum mp2629_field fld, + const union power_supply_propval *val) +{ + unsigned int rval; + + if (val->intval < props[fld].min || val->intval > props[fld].max) + return -EINVAL; + + rval = (val->intval - props[fld].min) / props[fld].step; + return regmap_field_write(charger->regmap_fields[fld], rval); +} + +static int mp2629_get_battery_capacity(struct mp2629_charger *charger, + union power_supply_propval *val) +{ + union power_supply_propval vnow, vlim; + int ret; + + ret = mp2629_read_adc(charger, MP2629_BATT_VOLT, &vnow); + if (ret) + return ret; + + ret = mp2629_get_prop(charger, CHARGE_VLIM, &vlim); + if (ret) + return ret; + + val->intval = (vnow.intval * 100) / vlim.intval; + val->intval = min(val->intval, MP2629_MAX_BATT_CAPACITY); + + return 0; +} + +static int mp2629_charger_battery_get_prop(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent); + unsigned int rval; + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + ret = mp2629_read_adc(charger, MP2629_BATT_VOLT, val); + break; + + case POWER_SUPPLY_PROP_CURRENT_NOW: + ret = mp2629_read_adc(charger, MP2629_BATT_CURRENT, val); + break; + + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX: + val->intval = 4520000; + break; + + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX: + val->intval = 4670000; + break; + + case POWER_SUPPLY_PROP_CAPACITY: + ret = mp2629_get_battery_capacity(charger, val); + break; + + case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT: + ret = mp2629_get_prop(charger, TERM_CURRENT, val); + break; + + case POWER_SUPPLY_PROP_PRECHARGE_CURRENT: + ret = mp2629_get_prop(charger, PRECHARGE, val); + break; + + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: + ret = mp2629_get_prop(charger, CHARGE_VLIM, val); + break; + + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + ret = mp2629_get_prop(charger, CHARGE_ILIM, val); + break; + + case POWER_SUPPLY_PROP_HEALTH: + if (!charger->fault) + val->intval = POWER_SUPPLY_HEALTH_GOOD; + if (MP2629_FAULT_BATTERY & charger->fault) + val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE; + else if (MP2629_FAULT_THERMAL & charger->fault) + val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; + else if (MP2629_FAULT_INPUT & charger->fault) + val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE; + break; + + case POWER_SUPPLY_PROP_STATUS: + ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval); + if (ret) + break; + + rval = (rval & MP2629_MASK_CHARGE_TYPE) >> 3; + switch (rval) { + case 0x00: + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + break; + case 0x01: + case 0x10: + val->intval = POWER_SUPPLY_STATUS_CHARGING; + break; + case 0x11: + val->intval = POWER_SUPPLY_STATUS_FULL; + } + break; + + case POWER_SUPPLY_PROP_CHARGE_TYPE: + ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval); + if (ret) + break; + + rval = (rval & MP2629_MASK_CHARGE_TYPE) >> 3; + switch (rval) { + case 0x00: + val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE; + break; + case 0x01: + val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; + break; + case 0x10: + val->intval = POWER_SUPPLY_CHARGE_TYPE_STANDARD; + break; + default: + val->intval = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN; + } + break; + + default: + return -EINVAL; + } + + return ret; +} + +static int mp2629_charger_battery_set_prop(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ + struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent); + + switch (psp) { + case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT: + return mp2629_set_prop(charger, TERM_CURRENT, val); + + case POWER_SUPPLY_PROP_PRECHARGE_CURRENT: + return mp2629_set_prop(charger, PRECHARGE, val); + + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: + return mp2629_set_prop(charger, CHARGE_VLIM, val); + + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + return mp2629_set_prop(charger, CHARGE_ILIM, val); + + default: + return -EINVAL; + } +} + +static int mp2629_charger_usb_get_prop(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent); + unsigned int rval; + int ret; + + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval); + if (ret) + break; + + val->intval = !!(rval & MP2629_MASK_INPUT_TYPE); + break; + + case POWER_SUPPLY_PROP_USB_TYPE: + ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval); + if (ret) + break; + + rval = (rval & MP2629_MASK_INPUT_TYPE) >> 5; + switch (rval) { + case MP2629_SOURCE_TYPE_SDP: + val->intval = POWER_SUPPLY_USB_TYPE_SDP; + break; + case MP2629_SOURCE_TYPE_CDP: + val->intval = POWER_SUPPLY_USB_TYPE_CDP; + break; + case MP2629_SOURCE_TYPE_DCP: + val->intval = POWER_SUPPLY_USB_TYPE_DCP; + break; + case MP2629_SOURCE_TYPE_OTG: + val->intval = POWER_SUPPLY_USB_TYPE_PD_DRP; + break; + default: + val->intval = POWER_SUPPLY_USB_TYPE_UNKNOWN; + break; + } + break; + + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + ret = mp2629_read_adc(charger, MP2629_INPUT_VOLT, val); + break; + + case POWER_SUPPLY_PROP_CURRENT_NOW: + ret = mp2629_read_adc(charger, MP2629_INPUT_CURRENT, val); + break; + + case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT: + ret = mp2629_get_prop(charger, INPUT_VLIM, val); + break; + + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + ret = mp2629_get_prop(charger, INPUT_ILIM, val); + break; + + default: + return -EINVAL; + } + + return ret; +} + +static int mp2629_charger_usb_set_prop(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ + struct mp2629_charger *charger = dev_get_drvdata(psy->dev.parent); + + switch (psp) { + case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT: + return mp2629_set_prop(charger, INPUT_VLIM, val); + + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + return mp2629_set_prop(charger, INPUT_ILIM, val); + + default: + return -EINVAL; + } +} + +static int mp2629_charger_battery_prop_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + return (psp == POWER_SUPPLY_PROP_PRECHARGE_CURRENT) || + (psp == POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT) || + (psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT) || + (psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE); +} + +static int mp2629_charger_usb_prop_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + return (psp == POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT) || + (psp == POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT); +} + +static irqreturn_t mp2629_irq_handler(int irq, void *dev_id) +{ + struct mp2629_charger *charger = dev_id; + unsigned int rval; + int ret; + + mutex_lock(&charger->lock); + + ret = regmap_read(charger->regmap, MP2629_REG_FAULT, &rval); + if (ret) + goto unlock; + + if (rval) { + charger->fault = rval; + if (MP2629_FAULT_BATTERY & rval) + dev_err(charger->dev, "Battery fault OVP\n"); + else if (MP2629_FAULT_THERMAL & rval) + dev_err(charger->dev, "Thermal shutdown fault\n"); + else if (MP2629_FAULT_INPUT & rval) + dev_err(charger->dev, "no input or input OVP\n"); + else if (MP2629_FAULT_OTG & rval) + dev_err(charger->dev, "VIN overloaded\n"); + + goto unlock; + } + + ret = regmap_read(charger->regmap, MP2629_REG_STATUS, &rval); + if (ret) + goto unlock; + + if (rval & MP2629_INPUTSOURCE_CHANGE) + power_supply_changed(charger->usb); + else if (rval & MP2629_CHARGING_CHANGE) + power_supply_changed(charger->battery); + +unlock: + mutex_unlock(&charger->lock); + + return IRQ_HANDLED; +} + +static const struct power_supply_desc mp2629_usb_desc = { + .name = "mp2629_usb", + .type = POWER_SUPPLY_TYPE_USB, + .usb_types = mp2629_usb_types, + .num_usb_types = ARRAY_SIZE(mp2629_usb_types), + .properties = mp2629_charger_usb_props, + .num_properties = ARRAY_SIZE(mp2629_charger_usb_props), + .get_property = mp2629_charger_usb_get_prop, + .set_property = mp2629_charger_usb_set_prop, + .property_is_writeable = mp2629_charger_usb_prop_writeable, +}; + +static const struct power_supply_desc mp2629_battery_desc = { + .name = "mp2629_battery", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = mp2629_charger_bat_props, + .num_properties = ARRAY_SIZE(mp2629_charger_bat_props), + .get_property = mp2629_charger_battery_get_prop, + .set_property = mp2629_charger_battery_set_prop, + .property_is_writeable = mp2629_charger_battery_prop_writeable, +}; + +static ssize_t batt_impedance_compensation_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct mp2629_charger *charger = dev_get_drvdata(dev->parent); + unsigned int rval; + int ret; + + ret = regmap_read(charger->regmap, MP2629_REG_IMPEDANCE_COMP, &rval); + if (ret) + return ret; + + rval = (rval >> 4) * 10; + return sprintf(buf, "%d mohm\n", rval); +} + +static ssize_t batt_impedance_compensation_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct mp2629_charger *charger = dev_get_drvdata(dev->parent); + unsigned int val; + int ret; + + ret = kstrtouint(buf, 10, &val); + if (ret) + return ret; + + if (val > 140) + return -ERANGE; + + /* multiples of 10 mohm so round off */ + val = val / 10; + ret = regmap_update_bits(charger->regmap, MP2629_REG_IMPEDANCE_COMP, + MP2629_MASK_IMPEDANCE, val << 4); + if (ret) + return ret; + + return count; +} + +static DEVICE_ATTR_RW(batt_impedance_compensation); + +static struct attribute *mp2629_charger_sysfs_attrs[] = { + &dev_attr_batt_impedance_compensation.attr, + NULL +}; +ATTRIBUTE_GROUPS(mp2629_charger_sysfs); + +static void mp2629_charger_disable(void *data) +{ + struct mp2629_charger *charger = data; + + regmap_update_bits(charger->regmap, MP2629_REG_CHARGE_CTRL, + MP2629_MASK_CHARGE_CTRL, 0); +} + +static int mp2629_charger_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct mp2629_data *ddata = dev_get_drvdata(dev->parent); + struct mp2629_charger *charger; + struct power_supply_config psy_cfg = {}; + int ret, i, irq; + + charger = devm_kzalloc(dev, sizeof(*charger), GFP_KERNEL); + if (!charger) + return -ENOMEM; + + charger->regmap = ddata->regmap; + charger->dev = dev; + platform_set_drvdata(pdev, charger); + + irq = platform_get_irq_optional(to_platform_device(dev->parent), 0); + if (irq < 0) { + dev_err(dev, "get irq fail: %d\n", irq); + return irq; + } + + for (i = 0; i < MP2629_MAX_FIELD; i++) { + charger->regmap_fields[i] = devm_regmap_field_alloc(dev, + charger->regmap, mp2629_reg_fields[i]); + if (IS_ERR(charger->regmap_fields[i])) { + dev_err(dev, "regmap field alloc fail %d\n", i); + return PTR_ERR(charger->regmap_fields[i]); + } + } + + for (i = 0; i < MP2629_ADC_CHAN_END; i++) { + charger->iiochan[i] = devm_iio_channel_get(dev, + adc_chan_name[i]); + if (IS_ERR(charger->iiochan[i])) { + dev_err(dev, "iio chan get %s err\n", adc_chan_name[i]); + return PTR_ERR(charger->iiochan[i]); + } + } + + ret = devm_add_action_or_reset(dev, mp2629_charger_disable, charger); + if (ret) + return ret; + + charger->usb = devm_power_supply_register(dev, &mp2629_usb_desc, NULL); + if (IS_ERR(charger->usb)) { + dev_err(dev, "power supply register usb failed\n"); + return PTR_ERR(charger->usb); + } + + psy_cfg.drv_data = charger; + psy_cfg.attr_grp = mp2629_charger_sysfs_groups; + charger->battery = devm_power_supply_register(dev, + &mp2629_battery_desc, &psy_cfg); + if (IS_ERR(charger->battery)) { + dev_err(dev, "power supply register battery failed\n"); + return PTR_ERR(charger->battery); + } + + ret = regmap_update_bits(charger->regmap, MP2629_REG_CHARGE_CTRL, + MP2629_MASK_CHARGE_CTRL, BIT(4)); + if (ret) { + dev_err(dev, "enable charge fail: %d\n", ret); + return ret; + } + + regmap_update_bits(charger->regmap, MP2629_REG_TIMER_CTRL, + MP2629_MASK_WDOG_CTRL, 0); + + mutex_init(&charger->lock); + + ret = devm_request_threaded_irq(dev, irq, NULL, mp2629_irq_handler, + IRQF_ONESHOT | IRQF_TRIGGER_RISING, + "mp2629-charger", charger); + if (ret) { + dev_err(dev, "failed to request gpio IRQ\n"); + return ret; + } + + regmap_update_bits(charger->regmap, MP2629_REG_INTERRUPT, + GENMASK(6, 5), BIT(6) | BIT(5)); + + return 0; +} + +static const struct of_device_id mp2629_charger_of_match[] = { + { .compatible = "mps,mp2629_charger"}, + {} +}; +MODULE_DEVICE_TABLE(of, mp2629_charger_of_match); + +static struct platform_driver mp2629_charger_driver = { + .driver = { + .name = "mp2629_charger", + .of_match_table = mp2629_charger_of_match, + }, + .probe = mp2629_charger_probe, +}; +module_platform_driver(mp2629_charger_driver); + +MODULE_AUTHOR("Saravanan Sekar "); +MODULE_DESCRIPTION("MP2629 Charger driver"); +MODULE_LICENSE("GPL"); From patchwork Thu Apr 30 15:58:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: saravanan sekar X-Patchwork-Id: 11520763 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 E6B951575 for ; Thu, 30 Apr 2020 15:58:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE0CA20775 for ; Thu, 30 Apr 2020 15:58:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Yz3hOTd/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727846AbgD3P63 (ORCPT ); Thu, 30 Apr 2020 11:58:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727841AbgD3P62 (ORCPT ); Thu, 30 Apr 2020 11:58:28 -0400 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE2FCC035494; Thu, 30 Apr 2020 08:58:27 -0700 (PDT) Received: by mail-wm1-x343.google.com with SMTP id u16so2527248wmc.5; Thu, 30 Apr 2020 08:58:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=2W4UC3XoSBhMgKjDSt7PXbJ9u9A1KBNdB31+oU0yG+c=; b=Yz3hOTd/manN9dw9O4HKNvHUWFTSos0gEPtogcWOuq8F1cSFeLZxtO0kPiNh6F0yR1 04CzvJfEV367cXG8OGTLb77uF1L4uSEq4GQvwAUyI6SA2lDeOqIhDfj0EQPTpNx17oes lS36+KbbLFCACIQu9FwmmX5HF6iYcXq+95TZk6mEvG1FneYlztaSFiEvs/2AL/aXZGi3 yiPZz3VHgq3i6aKADg5nu1GoAb0EkgsE9b7Ak+WBQYAWaNyQNpVl/IqptSOidb+SI9ts 8ehsYa3IluK0/qf/CzC06jsIESMzu0W35WJVzUVWb49FETadmlo4ZlzUNgouQimTYaoF 8i6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=2W4UC3XoSBhMgKjDSt7PXbJ9u9A1KBNdB31+oU0yG+c=; b=eenF/MoepBIv260FihIwofnmYKIx82E7aWT2iAtNA7I677cddJ6NeJrrY8VHpuuGUV odzQGb/5KIBncy5Ys1kzu2+in2Vqi6ESMjrekSzeUKTnGekg7oLmzxEH28DV6jFzjeuC NACYaDwE9KhlAwR9XW703Bx00+IHmvFC0vjBrdinbddkdI7l+Uj7KSRVTKVvQan9CNMK s/uhBrQAxFi6ufjpor7j4CPdJ1n9OG3lTwMjj9BkJbtXv1qhw7Rcv57qelhv6+95F3nK 2JrdtTyzBuuO+T9x5g+RkOGiX8QaSUPay+w4QVTRN9CRFd1FE/DK4kYpv4tJR5RCjHCs v9Bw== X-Gm-Message-State: AGi0PuaBbbQ8cKFoaGcqu8a4JaQ5WsmZxPtFKEbsha5iDqZ6RXmhT7mA EdRq1X24X6HdTKMHRBeWVeU= X-Google-Smtp-Source: APiQypLW9lUdht60B0V46uAQDEg50o1yM+LrDwVBJ7NTeJI9GFR5bdXexAi6yXzuh68NePZ79VRUUw== X-Received: by 2002:a05:600c:1109:: with SMTP id b9mr3685870wma.116.1588262306502; Thu, 30 Apr 2020 08:58:26 -0700 (PDT) Received: from localhost.localdomain (p5B3F6E9D.dip0.t-ipconnect.de. [91.63.110.157]) by smtp.gmail.com with ESMTPSA id w8sm265410wrs.25.2020.04.30.08.58.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2020 08:58:25 -0700 (PDT) From: Saravanan Sekar To: lee.jones@linaro.org, andy.shevchenko@gmail.com, robh+dt@kernel.org, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, sre@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-pm@vger.kernel.org, Saravanan Sekar Subject: [PATCH v11 5/6] power: supply: mp2629: Add impedance compensation config Date: Thu, 30 Apr 2020 17:58:09 +0200 Message-Id: <20200430155810.21383-6-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200430155810.21383-1-sravanhome@gmail.com> References: <20200430155810.21383-1-sravanhome@gmail.com> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Allows the user to compensate the intrinsic resistance of the battery to accelerate the charging cycle. Signed-off-by: Saravanan Sekar Reviewed-by: Andy Shevchenko Reviewed-by: Sebastian Reichel --- Documentation/ABI/testing/sysfs-class-power-mp2629 | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-power-mp2629 diff --git a/Documentation/ABI/testing/sysfs-class-power-mp2629 b/Documentation/ABI/testing/sysfs-class-power-mp2629 new file mode 100644 index 000000000000..327a07e22805 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-power-mp2629 @@ -0,0 +1,8 @@ +What: /sys/class/power_supply/mp2629_battery/batt_impedance_compen +Date: April 2020 +KernelVersion: 5.7 +Description: + Represents a battery impedance compensation to accelerate charging. + + Access: Read, Write + Valid values: Represented in milli-ohms. Valid range is [0, 140]. From patchwork Thu Apr 30 15:58:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: saravanan sekar X-Patchwork-Id: 11520765 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 2BCF715E6 for ; Thu, 30 Apr 2020 15:58:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1424A2082E for ; Thu, 30 Apr 2020 15:58:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="mqunM0en" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727930AbgD3P6i (ORCPT ); Thu, 30 Apr 2020 11:58:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727848AbgD3P63 (ORCPT ); Thu, 30 Apr 2020 11:58:29 -0400 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38326C035494; Thu, 30 Apr 2020 08:58:29 -0700 (PDT) Received: by mail-wm1-x343.google.com with SMTP id 188so2466955wmc.2; Thu, 30 Apr 2020 08:58:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=U1xmMluktHzlM1NHImtN6fu8B+63KJSJdW/amOIZcZQ=; b=mqunM0en9MHrE5Fn5EQ8DAJbaxy8bGNnoAJeqTe3r7GB0dpuFwJU7QwHLuGEY15FD5 jyrUCrKZnldkRNK0opeCewvZ4Z9nAuUupuNyIDigAeVKtTcrg+It1lp2NQPYBPZ28lHD XoWvUGmt+OS5fnxe+He1s1OtFKvp1U4D8Xxyf4yk6ZQmQaNwzhWlTUafRwHHZnPi/pcw ql7+jQAXprjiqcxCZ6sGfN6ZH2N9xymQFixdpkuZwPXewSiA/WPnpHD37eKJXIFxkpgK WKjmHm0GC9rA9VQ2RLaNNPSp1QOWKZzZmedm/LFSjryswBoC1ZqSXhSOEot1BTXzOL7M X1cA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=U1xmMluktHzlM1NHImtN6fu8B+63KJSJdW/amOIZcZQ=; b=rS9mFh8TgiWFlnnUxSyqwB5a6zyzXQCT5AjdICQz1QfWqnCqHOkcQ/IuCxWSJhfOel ByLb6hOFAaKKTm/LlVoJJclwZKDfqlD2pTSKEzvtyokvJYPnZT0mBf8ayWsWMaHXjAr0 /HWtu3c/SLyD6ugRuyB8sQGYwSt4cc+t7UiJ6CdC7peoLevMVLBDk0NlyJGybD0/Sqaa IswKawPLmiZYv3VTLFZqOrYBbWrRHysFmTiz/Ld4Kp3tnyLdfT0hKv2gfch1MfnCktBZ BCUMujmO5a4Jn8RA0QE2zm5JCTTo8I/3ZkD7dnGioRwD3sbjqMlTudOeIWFK9T3LCyv+ +83Q== X-Gm-Message-State: AGi0PuazZXol2IPF9kn/RgjCPU0YHpJcWBs7KoD0ACpLVwTQyA95wZzX PK2GSkC3MhfXRfGaq1qtSOw= X-Google-Smtp-Source: APiQypJgZg10GC4dYTiwZuQl3Z/1V5jRj3sphaRITBO3qDTzvrV81lUYCfQAUNszVYEANro93NxNzg== X-Received: by 2002:a1c:dc55:: with SMTP id t82mr3942366wmg.12.1588262308000; Thu, 30 Apr 2020 08:58:28 -0700 (PDT) Received: from localhost.localdomain (p5B3F6E9D.dip0.t-ipconnect.de. [91.63.110.157]) by smtp.gmail.com with ESMTPSA id w8sm265410wrs.25.2020.04.30.08.58.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2020 08:58:27 -0700 (PDT) From: Saravanan Sekar To: lee.jones@linaro.org, andy.shevchenko@gmail.com, robh+dt@kernel.org, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, sre@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-pm@vger.kernel.org, Saravanan Sekar Subject: [PATCH v11 6/6] MAINTAINERS: Add entry for mp2629 Battery Charger driver Date: Thu, 30 Apr 2020 17:58:10 +0200 Message-Id: <20200430155810.21383-7-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200430155810.21383-1-sravanhome@gmail.com> References: <20200430155810.21383-1-sravanhome@gmail.com> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add MAINTAINERS entry for Monolithic Power Systems mp2629 Charger driver. Signed-off-by: Saravanan Sekar Reviewed-by: Andy Shevchenko Reviewed-by: Sebastian Reichel --- MAINTAINERS | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 32a95d162f06..0f82d5a7a614 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11358,10 +11358,15 @@ F: drivers/tty/mxser.* MONOLITHIC POWER SYSTEM PMIC DRIVER M: Saravanan Sekar S: Maintained +F: Documentation/devicetree/bindings/mfd/mps,mp2629.yaml F: Documentation/devicetree/bindings/regulator/mps,mp*.yaml +F: drivers/iio/adc/mp2629_adc.c +F: drivers/mfd/mp2629.c +F: drivers/power/supply/mp2629_charger.c F: drivers/regulator/mp5416.c F: drivers/regulator/mpq7920.c F: drivers/regulator/mpq7920.h +F: include/linux/mfd/mp2629.h MR800 AVERMEDIA USB FM RADIO DRIVER M: Alexey Klimov