Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D4E3C6FD1D for ; Tue, 21 Mar 2023 19:10:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230305AbjCUTKS (ORCPT ); Tue, 21 Mar 2023 15:10:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230001AbjCUTJ7 (ORCPT ); Tue, 21 Mar 2023 15:09:59 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4A2A1EBE7; Tue, 21 Mar 2023 12:09:57 -0700 (PDT) Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 32LIo9xS030248; Tue, 21 Mar 2023 19:09:34 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=dCkWgDXPHL7UMRjkixDeGBJDy3gX9OY9N/nQn9w0XWw=; b=Dyq3Tsg8kvjNa2UQ3dn3paw7clReRPEeoMb/bDSHbl4MvUPBMA9v7v4yTupjLoWIjieb bvFIek5Je/Q1q2aW0lDk2uoEe9bFVpfmBN9TkFncOtVVITZO1Le5dnrZ6jRZpiqF6tCV IkFCpgJiWItYaLu7YiJc9vwjETkS03l+9tkPxPEc6rc3AsbRL8Xhd9LfFESzuJK5Ceka NNqsA4IDAd/5GFpD0tiVIDUH5l+daFQmD+2hCA+RJRpxq03oOdgUIsGhqE07zEj24L/5 XfK6LAWF8IbdBFcmqThP3r9CH/ZL7yQL08oRpQlkWRwTDthxWSKZTZqjsHtlDrqMT249 JQ== Received: from ppma04wdc.us.ibm.com (1a.90.2fa9.ip4.static.sl-reverse.com [169.47.144.26]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3pfc52v189-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Mar 2023 19:09:34 +0000 Received: from pps.filterd (ppma04wdc.us.ibm.com [127.0.0.1]) by ppma04wdc.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 32LIr5u0001310; Tue, 21 Mar 2023 19:09:33 GMT Received: from smtprelay04.wdc07v.mail.ibm.com ([9.208.129.114]) by ppma04wdc.us.ibm.com (PPS) with ESMTPS id 3pd4x74bq5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Mar 2023 19:09:33 +0000 Received: from smtpav05.wdc07v.mail.ibm.com (smtpav05.wdc07v.mail.ibm.com [10.39.53.232]) by smtprelay04.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 32LJ9U1J33882674 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Mar 2023 19:09:30 GMT Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BAC3958059; Tue, 21 Mar 2023 19:09:30 +0000 (GMT) Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A453658043; Tue, 21 Mar 2023 19:09:30 +0000 (GMT) Received: from gfwa600.aus.stglabs.ibm.com (unknown [9.3.84.101]) by smtpav05.wdc07v.mail.ibm.com (Postfix) with ESMTPS; Tue, 21 Mar 2023 19:09:30 +0000 (GMT) Received: by gfwa600.aus.stglabs.ibm.com (Postfix, from userid 181152) id 2816F74A47E; Tue, 21 Mar 2023 14:09:30 -0500 (CDT) From: Lakshmi Yadlapati To: robh+dt@kernel.org, linux@roeck-us.net, jdelvare@suse.com, krzysztof.kozlowski+dt@linaro.org, joel@jms.id.au, andrew@aj.id.au, eajames@linux.ibm.com Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, Lakshmi Yadlapati Subject: [PATCH v3 3/5] hwmon: (pmbus/acbel-fsg032) Add Acbel power supply Date: Tue, 21 Mar 2023 14:09:12 -0500 Message-Id: <20230321190914.2266216-4-lakshmiy@us.ibm.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230321190914.2266216-1-lakshmiy@us.ibm.com> References: <20230321190914.2266216-1-lakshmiy@us.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: _NSsm_66GOy7OVtyGuf-TT3WQ7RaXDzu X-Proofpoint-ORIG-GUID: _NSsm_66GOy7OVtyGuf-TT3WQ7RaXDzu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-21_11,2023-03-21_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 adultscore=0 phishscore=0 lowpriorityscore=0 suspectscore=0 mlxscore=0 spamscore=0 bulkscore=0 priorityscore=1501 mlxlogscore=999 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303150002 definitions=main-2303210152 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the driver to support ACBEL FSG032 power supply. Signed-off-by: Lakshmi Yadlapati --- drivers/hwmon/pmbus/Kconfig | 9 +++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/acbel-fsg032.c | 96 ++++++++++++++++++++++++++++++ 3 files changed, 106 insertions(+) create mode 100644 drivers/hwmon/pmbus/acbel-fsg032.c diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 59d9a7430499..270b6336b76d 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -27,6 +27,15 @@ config SENSORS_PMBUS This driver can also be built as a module. If so, the module will be called pmbus. +config SENSORS_ACBEL_FSG032 + tristate "ACBEL FSG032 Power Supply" + help + If you say yes here you get hardware monitoring support for the ACBEL + FSG032 Power Supply. + + This driver can also be built as a module. If so, the module will + be called acbel-fsg032. + config SENSORS_ADM1266 tristate "Analog Devices ADM1266 Sequencer" select CRC8 diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index 3ae019916267..84ee960a6c2d 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -5,6 +5,7 @@ obj-$(CONFIG_PMBUS) += pmbus_core.o obj-$(CONFIG_SENSORS_PMBUS) += pmbus.o +obj-$(CONFIG_SENSORS_ACBEL_FSG032) += acbel-fsg032.o obj-$(CONFIG_SENSORS_ADM1266) += adm1266.o obj-$(CONFIG_SENSORS_ADM1275) += adm1275.o obj-$(CONFIG_SENSORS_BEL_PFE) += bel-pfe.o diff --git a/drivers/hwmon/pmbus/acbel-fsg032.c b/drivers/hwmon/pmbus/acbel-fsg032.c new file mode 100644 index 000000000000..7bfa0bf048db --- /dev/null +++ b/drivers/hwmon/pmbus/acbel-fsg032.c @@ -0,0 +1,96 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright 2023 IBM Corp. + */ + +#include +#include +#include +#include +#include +#include +#include "pmbus.h" + +struct acbel_fsg032 { + struct i2c_client *client; +}; + +static const struct i2c_device_id acbel_fsg032_id[] = { + { "acbel_fsg032" }, + {} +}; + +static struct pmbus_driver_info acbel_fsg032_info = { + .pages = 1, + .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | PMBUS_HAVE_PIN | + PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT | PMBUS_HAVE_POUT | + PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3 | + PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_VOUT | + PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_TEMP | + PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_FAN12, +}; + +static int acbel_fsg032_probe(struct i2c_client *client) +{ + struct acbel_fsg032 *psu; + u8 buf[I2C_SMBUS_BLOCK_MAX + 1]; + struct device *dev = &client->dev; + int rc; + + rc = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, buf); + if (rc < 0) { + dev_err(dev, "Failed to read PMBUS_MFR_ID\n"); + return rc; + } + if (strncmp(buf, "ACBEL", 5)) { + buf[rc] = '\0'; + dev_err(dev, "Manufacturer '%s' not supported\n", buf); + return -ENODEV; + } + + rc = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, buf); + if (rc < 0) { + dev_err(dev, "Failed to read PMBUS_MFR_MODEL\n"); + return rc; + } + + if (strncmp(buf, "FSG032", 6)) { + buf[rc] = '\0'; + dev_err(dev, "Model '%s' not supported\n", buf); + return -ENODEV; + } + + rc = pmbus_do_probe(client, &acbel_fsg032_info); + if (rc) + return rc; + /* + * Don't fail the probe if there isn't enough memory for debugfs. + */ + psu = devm_kzalloc(&client->dev, sizeof(*psu), GFP_KERNEL); + if (!psu) + return 0; + + return 0; +} + +static const struct of_device_id acbel_fsg032_of_match[] = { + { .compatible = "acbel,fsg032" }, + {} +}; +MODULE_DEVICE_TABLE(of, acbel_fsg032_of_match); + +static struct i2c_driver acbel_fsg032_driver = { + .driver = { + .name = "acbel-fsg032", + .of_match_table = acbel_fsg032_of_match, + }, + .probe_new = acbel_fsg032_probe, + .id_table = acbel_fsg032_id, +}; + +module_i2c_driver(acbel_fsg032_driver); + +MODULE_AUTHOR("Lakshmi Yadlapati"); +MODULE_DESCRIPTION("PMBus driver for AcBel Power System power supplies"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(PMBUS); -- 2.37.2