From patchwork Fri Apr 17 08:49:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saravanan Sekar X-Patchwork-Id: 201885 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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 EE74BC3815B for ; Fri, 17 Apr 2020 08:50:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD32922251 for ; Fri, 17 Apr 2020 08:50:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="W5OxyGua" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729910AbgDQIuY (ORCPT ); Fri, 17 Apr 2020 04:50:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1729748AbgDQIuV (ORCPT ); Fri, 17 Apr 2020 04:50:21 -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 EF631C061A0F; Fri, 17 Apr 2020 01:50:20 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id k13so889797wrw.7; Fri, 17 Apr 2020 01:50:20 -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=NCVZU/bSt76/hiidvSrjEJc/qNxlzUEMq/1bB2ttNxY=; b=W5OxyGuanL+7DSyVsNAI8cIt5HT0/VgXRrpMmjaQI1BDXmK8Yxs0x7vOR1XUp3quYc dzU6XZejFy5lC+HqWU6Ayq0VY2qjpzYddZdj4EKfHK/FScdaXBscgJ6cEzVkeOYkwck4 1poskfy9VL94QkQPps57vIYyuPdLRkWCbAuDiOvL46aRJdEuHD5+ILOdfyhcGxQnHsrs qFkmPr1BtneHJaLZWAFF1BpG/FUYmIrNUeSghiZpeNsgw27deK342yxwrvg2ENc9ggvt xWpiwsbQ14O/qadvHmRhdzu+V76V4gfW8UnFj4auj7RpHkeuUGMzPbeWUFq/j6XjXpDT Nu/A== 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=NCVZU/bSt76/hiidvSrjEJc/qNxlzUEMq/1bB2ttNxY=; b=FThjYW7yKVENIH7WG1y7LyCMCsk3e6ZwPY+4auqv9sNjnJQxQXnUrSF/C9GrBJ2lPy MHdos4D+NAMSH+wVX1xyN/8Tdoy1OZ+Q5/d/NEyRP9Qj3r3WhLZyfXXvatR3qEWGN4Lu WjYTqmni+pxwKSQ4m2f6+cyQ5A9dENDr4T9nzWaXqdENrrhs4T/LDPfSowvQEjrC8+ws JkDoDpy6O0tEZnHn/k28Jm+zs7li2z6D2Lo3twn6I+Wg7/8GE761XgOkX55cSND4pUSI bpb94FPAAVvmtbXN7sKEHGSFPA22Qd4UHI6TYCrBn1NwqIp8hfBF7XeJvqB+Hi77MZA1 89uA== X-Gm-Message-State: AGi0PuacyPwye3IQblDZfYCY2hFgjAR/JLqIlaCAL+7oyzNDJxLV1CoF 1EhsPoqWvKyKpRMYYlw4Q9E= X-Google-Smtp-Source: APiQypLNnUiUNRL2Gm0jcpPDvKlx5obVgmeRPznD72jGzYOq+Buea79ag2FNssV2gDbPWsWGvIdZVA== X-Received: by 2002:a5d:60ca:: with SMTP id x10mr2641819wrt.407.1587113419736; Fri, 17 Apr 2020 01:50:19 -0700 (PDT) Received: from localhost.localdomain (p5B3F7443.dip0.t-ipconnect.de. [91.63.116.67]) by smtp.gmail.com with ESMTPSA id l5sm6807527wmi.22.2020.04.17.01.50.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Apr 2020 01:50:19 -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 v10 1/6] dt-bindings: mfd: add document bindings for mp2629 Date: Fri, 17 Apr 2020 10:49:58 +0200 Message-Id: <20200417085003.6124-2-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200417085003.6124-1-sravanhome@gmail.com> References: <20200417085003.6124-1-sravanhome@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add device tree binding information for mp2629 mfd driver. Signed-off-by: Saravanan Sekar Reviewed-by: Andy Shevchenko --- .../devicetree/bindings/mfd/mps,mp2629.yaml | 61 +++++++++++++++++++ 1 file changed, 61 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..b25b29259d67 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/mps,mp2629.yaml @@ -0,0 +1,61 @@ +# 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" + +examples: + - | + #include + #include + i2c@7e205000 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x7e205000 0x200>; + + pmic@4b { + compatible = "mps,mp2629"; + reg = <0x4b>; + + interrupt-controller; + interrupt-parent = <&gpio2>; + #interrupt-cells = <2>; + interrupts = <3 IRQ_TYPE_LEVEL_HIGH>; + }; + }; From patchwork Fri Apr 17 08:49:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saravanan Sekar X-Patchwork-Id: 201882 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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 275EFC38A2C for ; Fri, 17 Apr 2020 08:51:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 027742076D for ; Fri, 17 Apr 2020 08:51:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="i7LpZw9u" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729903AbgDQIuY (ORCPT ); Fri, 17 Apr 2020 04:50:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38884 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1729746AbgDQIuW (ORCPT ); Fri, 17 Apr 2020 04:50:22 -0400 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B796C061A0C; Fri, 17 Apr 2020 01:50:22 -0700 (PDT) Received: by mail-wm1-x342.google.com with SMTP id x25so2115609wmc.0; Fri, 17 Apr 2020 01:50:22 -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=288LWqG64T9m1CcDZxmk7YbEQXVEumWwABLeVwd/vN8=; b=i7LpZw9uKFGtDvHo9dkgfas8LpfrkG910MkKia0OiWZeY/FM5vrSdetLm7LL5eyHRL E4MhdgZVtGWqJ7+AHoU54D+lqzVRArGdgXvMk6P8Y0mtsOK7ozIpl+qheymbHql1M2Va R4g7P3JKC5uv1NdDLKL3ag53eSYhssKldrel6d+3UCUxz5X0WO3Z8sOBlvKtStBVaTqk pwiCdP9dkq1ylJJLigDLIv1K6IaKHRF5vAsArQDTOqNHPL0HFGyyMinW7idjip9C2eUq 2l3kK34BuTxvEOUpxf26Uy7ctJFJYmw09ipwQTXPknGpkwBYoVhoAbgLnGCR00qvbEd5 eZ/A== 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=288LWqG64T9m1CcDZxmk7YbEQXVEumWwABLeVwd/vN8=; b=j7h3ihagmU49q7R5jJJsWeNz4xPKIjfITfVwih9alFI1ZRrCDrk4xayXg5iNSVBbXW 9PP/ZUg6mt6zqvogvyKkOenip+oJ2FF5PF80wCEd4fMV0zBujqbaT2Uw7KN38Ga+5bzU 6PQ8C38hyPaQdORqB230FpcPS+vlEBJNcgmtHQlpJh16IwR+owXHRDQrZmudW5shYkdq oShwnMVbQaI6Moe3GcCocOMlYEfkmG8q5f74YU7X3ZmKdh9PaKYm75y/2VwFiRtbw1al lleFbGU4SXX5vhPhHvtR7OCeLSiYXsSESfSFcyez5p0xhuWvDQvM/AXy9G9WMvOqEEqG 8AuQ== X-Gm-Message-State: AGi0Pubv5IWXXC+HQq/Aj1zoXO9+E/xcgT+uw7Nv5dUgQuH2CLC6KeMt 7MxoZJnngYEu3sUc5qOwGIs= X-Google-Smtp-Source: APiQypLC9VvEQXDMe+K0jO6e2ILuXAZse5Ce7nnJm+MMle4v63/IqyEiwF3rM3F4OqpKBDMAr1ta3w== X-Received: by 2002:a05:600c:2214:: with SMTP id z20mr2405549wml.189.1587113421105; Fri, 17 Apr 2020 01:50:21 -0700 (PDT) Received: from localhost.localdomain (p5B3F7443.dip0.t-ipconnect.de. [91.63.116.67]) by smtp.gmail.com with ESMTPSA id l5sm6807527wmi.22.2020.04.17.01.50.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Apr 2020 01:50:20 -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 v10 2/6] mfd: mp2629: Add support for mps battery charger Date: Fri, 17 Apr 2020 10:49:59 +0200 Message-Id: <20200417085003.6124-3-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200417085003.6124-1-sravanhome@gmail.com> References: <20200417085003.6124-1-sravanhome@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@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 --- drivers/mfd/Kconfig | 9 ++++ drivers/mfd/Makefile | 2 + drivers/mfd/mp2629.c | 86 ++++++++++++++++++++++++++++++++++++++ include/linux/mfd/mp2629.h | 19 +++++++++ 4 files changed, 116 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..85be799795aa 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 system MP2629 ADC and Battery charger" + depends on I2C + select REGMAP_I2C + help + Select this option to enable support for monolithic power system + battery charger. This provides ADC, thermal, battery charger power + management functions on the systems. + 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..46242b1cdf24 --- /dev/null +++ b/drivers/mfd/mp2629.c @@ -0,0 +1,86 @@ +// 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 + +enum { + MP2629_MFD_ADC, + MP2629_MFD_CHARGER, + MP2629_MFD_MAX +}; + +static const struct mfd_cell mp2629mfd[] = { + [MP2629_MFD_ADC] = { + .name = "mp2629_adc", + .of_compatible = "mps,mp2629_adc", + }, + [MP2629_MFD_CHARGER] = { + .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_info *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_NONE, mp2629mfd, + ARRAY_SIZE(mp2629mfd), 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..06985e41fc6f --- /dev/null +++ b/include/linux/mfd/mp2629.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * register definitions for MP2629 charger + * + * Copyright 2020 Monolithic Power Systems, Inc + */ + +#ifndef __MP2629_H__ +#define __MP2629_H__ + +#include +#include + +struct mp2629_info { + struct device *dev; + struct regmap *regmap; +}; + +#endif From patchwork Fri Apr 17 08:50:01 2020 Content-Type: text/plain; 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[91.63.116.67]) by smtp.gmail.com with ESMTPSA id l5sm6807527wmi.22.2020.04.17.01.50.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Apr 2020 01:50:22 -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 v10 4/6] power: supply: Add support for mps mp2629 battery charger Date: Fri, 17 Apr 2020 10:50:01 +0200 Message-Id: <20200417085003.6124-5-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200417085003.6124-1-sravanhome@gmail.com> References: <20200417085003.6124-1-sravanhome@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@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 --- drivers/power/supply/Kconfig | 10 + drivers/power/supply/Makefile | 1 + drivers/power/supply/mp2629_charger.c | 667 ++++++++++++++++++++++++++ 3 files changed, 678 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..1c45fc162f74 --- /dev/null +++ b/drivers/power/supply/mp2629_charger.c @@ -0,0 +1,667 @@ +// 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 int mp2629_charger_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct mp2629_info *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]); + } + } + + 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 int mp2629_charger_remove(struct platform_device *pdev) +{ + struct mp2629_charger *charger = platform_get_drvdata(pdev); + + regmap_update_bits(charger->regmap, MP2629_REG_CHARGE_CTRL, + MP2629_MASK_CHARGE_CTRL, 0); + 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, + .remove = mp2629_charger_remove, +}; +module_platform_driver(mp2629_charger_driver); + +MODULE_AUTHOR("Saravanan Sekar "); +MODULE_DESCRIPTION("MP2629 Charger driver"); +MODULE_LICENSE("GPL"); From patchwork Fri Apr 17 08:50:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saravanan Sekar X-Patchwork-Id: 201884 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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 38252C352BE for ; 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[91.63.116.67]) by smtp.gmail.com with ESMTPSA id l5sm6807527wmi.22.2020.04.17.01.50.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Apr 2020 01:50:25 -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 v10 6/6] MAINTAINERS: Add entry for mp2629 Battery Charger driver Date: Fri, 17 Apr 2020 10:50:03 +0200 Message-Id: <20200417085003.6124-7-sravanhome@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200417085003.6124-1-sravanhome@gmail.com> References: <20200417085003.6124-1-sravanhome@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add MAINTAINERS entry for Monolithic Power Systems mp2629 Charger driver. Signed-off-by: Saravanan Sekar Reviewed-by: Andy Shevchenko --- 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