From patchwork Wed Jun 5 19:49:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Hancock X-Patchwork-Id: 10977727 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5A6C46C5 for ; Wed, 5 Jun 2019 19:49:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4E66A287EF for ; Wed, 5 Jun 2019 19:49:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4C7A5288ED; Wed, 5 Jun 2019 19:49:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D4B8D287EF for ; Wed, 5 Jun 2019 19:49:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726512AbfFETtq (ORCPT ); Wed, 5 Jun 2019 15:49:46 -0400 Received: from sed198n136.SEDSystems.ca ([198.169.180.136]:3040 "EHLO sed198n136.sedsystems.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726501AbfFETtq (ORCPT ); Wed, 5 Jun 2019 15:49:46 -0400 Received: from barney.sedsystems.ca (barney [198.169.180.121]) by sed198n136.sedsystems.ca with ESMTP id x55JnPZ4017969 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 5 Jun 2019 13:49:25 -0600 (CST) Received: from SED.RFC1918.192.168.sedsystems.ca (eng1n65.eng.sedsystems.ca [172.21.1.65]) by barney.sedsystems.ca (8.14.7/8.14.4) with ESMTP id x55JnFuT000988 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 5 Jun 2019 13:49:17 -0600 From: Robert Hancock To: linux-hwmon@vger.kernel.org Cc: linux@roeck-us.net, jdelvare@suse.com, Robert Hancock Subject: [PATCH v2 2/2] hwmon: (pmbus) Add Infineon IRPS5401 driver Date: Wed, 5 Jun 2019 13:49:01 -0600 Message-Id: <1559764141-26105-3-git-send-email-hancock@sedsystems.ca> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1559764141-26105-1-git-send-email-hancock@sedsystems.ca> References: <1559764141-26105-1-git-send-email-hancock@sedsystems.ca> X-Scanned-By: MIMEDefang 2.64 on 198.169.180.136 Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add a driver to support the Infineon IRPS5401 PMIC. This chip has 5 pages corresponding to 4 switching outputs and one linear (LDO) output. The switching and LDO outputs have slightly different supported parameters. Signed-off-by: Robert Hancock --- drivers/hwmon/pmbus/Kconfig | 9 ++++++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/irps5401.c | 68 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 78 insertions(+) create mode 100644 drivers/hwmon/pmbus/irps5401.c diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 30751eb..8eb5bb4 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -64,6 +64,15 @@ config SENSORS_IR38064 This driver can also be built as a module. If so, the module will be called ir38064. +config SENSORS_IRPS5401 + tristate "Infineon IRPS5401" + help + If you say yes here you get hardware monitoring support for the + Infineon IRPS5401 controller. + + This driver can also be built as a module. If so, the module will + be called irps5401. + config SENSORS_ISL68137 tristate "Intersil ISL68137" help diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index 2219b93..e4a7dd0 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_SENSORS_ADM1275) += adm1275.o obj-$(CONFIG_SENSORS_IBM_CFFPS) += ibm-cffps.o obj-$(CONFIG_SENSORS_IR35221) += ir35221.o obj-$(CONFIG_SENSORS_IR38064) += ir38064.o +obj-$(CONFIG_SENSORS_IRPS5401) += irps5401.o obj-$(CONFIG_SENSORS_ISL68137) += isl68137.o obj-$(CONFIG_SENSORS_LM25066) += lm25066.o obj-$(CONFIG_SENSORS_LTC2978) += ltc2978.o diff --git a/drivers/hwmon/pmbus/irps5401.c b/drivers/hwmon/pmbus/irps5401.c new file mode 100644 index 0000000..825e9fa --- /dev/null +++ b/drivers/hwmon/pmbus/irps5401.c @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Hardware monitoring driver for the Infineon IRPS5401M PMIC. + * + * Copyright (c) 2019 SED Systems, a division of Calian Ltd. + * + * The device supports VOUT_PEAK, IOUT_PEAK, and TEMPERATURE_PEAK, however + * this driver does not currently support them. + */ + +#include +#include +#include +#include +#include +#include "pmbus.h" + +#define IRPS5401_SW_FUNC (PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | \ + PMBUS_HAVE_STATUS_INPUT | \ + PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | \ + PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \ + PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | \ + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP) + +#define IRPS5401_LDO_FUNC (PMBUS_HAVE_VIN | \ + PMBUS_HAVE_STATUS_INPUT | \ + PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | \ + PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \ + PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | \ + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP) + +static struct pmbus_driver_info irps5401_info = { + .pages = 5, + .func[0] = IRPS5401_SW_FUNC, + .func[1] = IRPS5401_SW_FUNC, + .func[2] = IRPS5401_SW_FUNC, + .func[3] = IRPS5401_SW_FUNC, + .func[4] = IRPS5401_LDO_FUNC, +}; + +static int irps5401_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + return pmbus_do_probe(client, id, &irps5401_info); +} + +static const struct i2c_device_id irps5401_id[] = { + {"irps5401", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, irps5401_id); + +static struct i2c_driver irps5401_driver = { + .driver = { + .name = "irps5401", + }, + .probe = irps5401_probe, + .remove = pmbus_do_remove, + .id_table = irps5401_id, +}; + +module_i2c_driver(irps5401_driver); + +MODULE_AUTHOR("Robert Hancock"); +MODULE_DESCRIPTION("PMBus driver for Infineon IRPS5401"); +MODULE_LICENSE("GPL"); +