From patchwork Wed Apr 27 18:40:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg.Schwendimann@infineon.com X-Patchwork-Id: 12829361 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 AE0B8C43219 for ; Wed, 27 Apr 2022 18:51:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231430AbiD0SzD (ORCPT ); Wed, 27 Apr 2022 14:55:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231989AbiD0Sxz (ORCPT ); Wed, 27 Apr 2022 14:53:55 -0400 Received: from smtp14.infineon.com (smtp14.infineon.com [IPv6:2a00:18f0:1e00:4::6]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC31F153D69 for ; Wed, 27 Apr 2022 11:40:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=infineon.com; i=@infineon.com; q=dns/txt; s=IFXMAIL; t=1651084815; x=1682620815; h=from:to:cc:subject:date:message-id: content-transfer-encoding:mime-version; bh=q3Y6H+3f0PV0x2ehSnsx3uj+dLBnD9WSR/0VMwSTYPI=; b=oC2R2HhKEnX0aZuBGzSyWKIf/P9KHysNu53Tcjkx3C4Mjt2D7KhaOByn xkMV7/KM8yjhdbt2HlPNSpZ34uNMWMZqks7DA5DLsNGbEscy5zXPgzFcY Ol4WmQcvQ2mDrKfcvut2NbHcn05sSP4mpfQZs2PCu7VuQDCDlNRODwYw2 E=; X-SBRS: None X-IronPort-AV: E=McAfee;i="6400,9594,10330"; a="118491655" X-IronPort-AV: E=Sophos;i="5.90,293,1643670000"; d="scan'208";a="118491655" Received: from unknown (HELO mucxv002.muc.infineon.com) ([172.23.11.17]) by smtp14.infineon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Apr 2022 20:40:13 +0200 Received: from MUCSE803.infineon.com (MUCSE803.infineon.com [172.23.29.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mucxv002.muc.infineon.com (Postfix) with ESMTPS; Wed, 27 Apr 2022 20:40:13 +0200 (CEST) Received: from MUCSE818.infineon.com (172.23.29.44) by MUCSE803.infineon.com (172.23.29.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Wed, 27 Apr 2022 20:40:12 +0200 Received: from MUCSE820.infineon.com (172.23.29.46) by MUCSE818.infineon.com (172.23.29.44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Wed, 27 Apr 2022 20:40:12 +0200 Received: from MUCSE820.infineon.com ([172.23.29.46]) by MUCSE820.infineon.com ([172.23.29.46]) with mapi id 15.02.0986.022; Wed, 27 Apr 2022 20:40:12 +0200 From: To: , CC: Subject: [PATCH v4 1/2] hwmon: (pmbus) Add support for Infineon Digital Multi-phase xdp152 faimly controllers Thread-Topic: [PATCH v4 1/2] hwmon: (pmbus) Add support for Infineon Digital Multi-phase xdp152 faimly controllers Thread-Index: AdhaZXigbWtSprhYSRW2k72NE01cpw== Date: Wed, 27 Apr 2022 18:40:12 +0000 Message-ID: <5e6d50e9b28140158f339b0de343eea4@infineon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.23.8.247] MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Add support for devices XDPE152C4, XDPE12584. Signed-off-by: Greg Schwendimann --- Separated the device tree bindings documentation Resending from same email as Signed-off-by header Documentation/hwmon/index.rst | 1 + Documentation/hwmon/xdpe152c4.rst | 118 ++++++++++++++++++++++++++++++ drivers/hwmon/pmbus/Kconfig | 9 +++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/xdpe152c4.c | 75 +++++++++++++++++++ 5 files changed, 204 insertions(+) create mode 100644 Documentation/hwmon/xdpe152c4.rst create mode 100644 drivers/hwmon/pmbus/xdpe152c4.c diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 863b76289159..355c682f9ec4 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -223,6 +223,7 @@ Hardware Monitoring Kernel Drivers wm8350 xgene-hwmon xdpe12284 + xdpe152c4 zl6100 .. only:: subproject and html diff --git a/Documentation/hwmon/xdpe152c4.rst b/Documentation/hwmon/xdpe152c4.rst new file mode 100644 index 000000000000..ab92c32d4d69 --- /dev/null +++ b/Documentation/hwmon/xdpe152c4.rst @@ -0,0 +1,118 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver xdpe152 +===================== + +Supported chips: + + * Infineon XDPE152C4 + + Prefix: 'xdpe152c4' + + * Infineon XDPE15284 + + Prefix: 'xdpe15284' + +Authors: + + Greg Schwendimann + +Description +----------- + +This driver implements support for Infineon Digital Multi-phase Controller +XDPE152C4 and XDPE15284 dual loop voltage regulators. +The devices are compliant with: + +- Intel VR13, VR13HC and VR14 rev 1.86 + converter specification. +- Intel SVID rev 1.93. protocol. +- PMBus rev 1.3.1 interface. + +Devices support linear format for reading input and output voltage, input +and output current, input and output power and temperature. + +Devices support two pages for telemetry. + +The driver provides for current: input, maximum and critical thresholds +and maximum and critical alarms. Low Critical thresholds and Low critical alarm are +supported only for current output. +The driver exports the following attributes for via the sysfs files, where +indexes 1, 2 are for "iin" and 3, 4 for "iout": + +**curr[1-4]_crit** + +**curr[1-4]_crit_alarm** + +**curr[1-4]_input** + +**curr[1-4]_label** + +**curr[1-4]_max** + +**curr[1-4]_max_alarm** + +**curr[3-4]_lcrit** + +**curr[3-4]_lcrit_alarm** + +**curr[3-4]_rated_max** + +The driver provides for voltage: input, critical and low critical thresholds +and critical and low critical alarms. +The driver exports the following attributes for via the sysfs files, where +indexes 1, 2 are for "vin" and 3, 4 for "vout": + +**in[1-4]_min** + +**in[1-4]_crit** + +**in[1-4_crit_alarm** + +**in[1-4]_input** + +**in[1-4]_label** + +**in[1-4]_max** + +**in[1-4]_max_alarm** + +**in[1-4]_min** + +**in[1-4]_min_alarm** + +**in[3-4]_lcrit** + +**in[3-4]_lcrit_alarm** + +**in[3-4]_rated_max** + +**in[3-4]_rated_min** + +The driver provides for power: input and alarms. +The driver exports the following attributes for via the sysfs files, where +indexes 1, 2 are for "pin" and 3, 4 for "pout": + +**power[1-2]_alarm** + +**power[1-4]_input** + +**power[1-4]_label** + +**power[1-4]_max** + +**power[1-4]_rated_max** + +The driver provides for temperature: input, maximum and critical thresholds +and maximum and critical alarms. +The driver exports the following attributes for via the sysfs files: + +**temp[1-2]_crit** + +**temp[1-2]_crit_alarm** + +**temp[1-2]_input** + +**temp[1-2]_max** + +**temp[1-2]_max_alarm** diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index a2ea1d5a8765..fe0d0e44da4f 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -408,6 +408,15 @@ config SENSORS_UCD9200 This driver can also be built as a module. If so, the module will be called ucd9200. +config SENSORS_XDPE152 + tristate "Infineon XDPE152 family" + help + If you say yes here you get hardware monitoring support for Infineon + XDPE15284, XDPE152C4, device. + + This driver can also be built as a module. If so, the module will + be called xdpe152c4. + config SENSORS_XDPE122 tristate "Infineon XDPE122 family" help diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index a4a96ac71de7..4678fba5012c 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -43,5 +43,6 @@ obj-$(CONFIG_SENSORS_TPS53679) += tps53679.o obj-$(CONFIG_SENSORS_UCD9000) += ucd9000.o obj-$(CONFIG_SENSORS_UCD9200) += ucd9200.o obj-$(CONFIG_SENSORS_XDPE122) += xdpe12284.o +obj-$(CONFIG_SENSORS_XDPE152) += xdpe152c4.o obj-$(CONFIG_SENSORS_ZL6100) += zl6100.o obj-$(CONFIG_SENSORS_PIM4328) += pim4328.o diff --git a/drivers/hwmon/pmbus/xdpe152c4.c b/drivers/hwmon/pmbus/xdpe152c4.c new file mode 100644 index 000000000000..b8a36ef73e45 --- /dev/null +++ b/drivers/hwmon/pmbus/xdpe152c4.c @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Hardware monitoring driver for Infineon Multi-phase Digital VR Controllers + * + * Copyright (c) 2022 Infineon Technologies. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include "pmbus.h" + +#define XDPE152_PAGE_NUM 2 + +static struct pmbus_driver_info xdpe152_info = { + .pages = XDPE152_PAGE_NUM, + .format[PSC_VOLTAGE_IN] = linear, + .format[PSC_VOLTAGE_OUT] = linear, + .format[PSC_TEMPERATURE] = linear, + .format[PSC_CURRENT_IN] = linear, + .format[PSC_CURRENT_OUT] = linear, + .format[PSC_POWER] = linear, + .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | + PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | + PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP | + PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, + .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | + PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | + PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, +}; + +static int xdpe152_probe(struct i2c_client *client) +{ + struct pmbus_driver_info *info; + + info = devm_kmemdup(&client->dev, &xdpe152_info, sizeof(*info), + GFP_KERNEL); + if (!info) + return -ENOMEM; + + return pmbus_do_probe(client, info); +} + +static const struct i2c_device_id xdpe152_id[] = { + {"xdpe152c4", 0}, + {"xdpe15284", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, xdpe152_id); + +static const struct of_device_id __maybe_unused xdpe152_of_match[] = { + {.compatible = "infineon,xdpe152c4"}, + {.compatible = "infineon,xdpe15284"}, + {} +}; +MODULE_DEVICE_TABLE(of, xdpe152_of_match); + +static struct i2c_driver xdpe152_driver = { + .driver = { + .name = "xdpe152c4", + .of_match_table = of_match_ptr(xdpe152_of_match), + }, + .probe_new = xdpe152_probe, + .id_table = xdpe152_id, +}; + +module_i2c_driver(xdpe152_driver); + +MODULE_AUTHOR("Greg Schwendimann "); +MODULE_DESCRIPTION("PMBus driver for Infineon XDPE152 family"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(PMBUS);