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Tue, 17 Dec 2024 02:20:51 +0000 (GMT) From: Ninad Palsule To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, eajames@linux.ibm.com, jdelvare@suse.com, linux@roeck-us.net, corbet@lwn.net, joel@jms.id.au, andrew@codeconstruct.com.au, Delphine_CC_Chiu@Wiwynn.com, broonie@kernel.org, peteryin.openbmc@gmail.com, noahwang.wang@outlook.com, naresh.solanki@9elements.com, lukas@wunner.de, jbrunet@baylibre.com, patrick.rudolph@9elements.com, gregkh@linuxfoundation.org, peterz@infradead.org, pbiel7@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-i2c@vger.kernel.org Cc: Ninad Palsule Subject: [PATCH v3 1/4] hwmon: (pmbus/core) Add PMBUS_REVISION in debugfs Date: Mon, 16 Dec 2024 20:20:39 -0600 Message-ID: <20241217022046.113830-2-ninad@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241217022046.113830-1-ninad@linux.ibm.com> References: <20241217022046.113830-1-ninad@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: vm7WmghfJNx8qz6xWi1CMW3xXaqNVGcp X-Proofpoint-ORIG-GUID: exCA8cDQCPjJnn5TJ4jfbuLFO_0Qf5L3 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 mlxscore=0 phishscore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 priorityscore=1501 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412170015 Add debugfs file for the PMBUS_REVISION command. This command provides information about PMBus protocol revision number. Signed-off-by: Ninad Palsule --- drivers/hwmon/pmbus/pmbus_core.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index a7000314e5ad..787683e83db6 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -3534,11 +3534,11 @@ static int pmbus_init_debugfs(struct i2c_client *client, /* * Allocate the max possible entries we need. - * 6 entries device-specific + * 7 entries device-specific * 10 entries page-specific */ entries = devm_kcalloc(data->dev, - 6 + data->info->pages * 10, sizeof(*entries), + 7 + data->info->pages * 10, sizeof(*entries), GFP_KERNEL); if (!entries) return -ENOMEM; @@ -3551,6 +3551,15 @@ static int pmbus_init_debugfs(struct i2c_client *client, * assume that values of the following registers are the same for all * pages and report values only for page 0. */ + if (pmbus_check_byte_register(client, 0, PMBUS_REVISION)) { + entries[idx].client = client; 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Tue, 17 Dec 2024 02:20:53 +0000 (GMT) From: Ninad Palsule To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, eajames@linux.ibm.com, jdelvare@suse.com, linux@roeck-us.net, corbet@lwn.net, joel@jms.id.au, andrew@codeconstruct.com.au, Delphine_CC_Chiu@Wiwynn.com, broonie@kernel.org, peteryin.openbmc@gmail.com, noahwang.wang@outlook.com, naresh.solanki@9elements.com, lukas@wunner.de, jbrunet@baylibre.com, patrick.rudolph@9elements.com, gregkh@linuxfoundation.org, peterz@infradead.org, pbiel7@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-i2c@vger.kernel.org Cc: Ninad Palsule Subject: [PATCH v3 2/4] hwmon: (pmbus/crps) Add Intel CRPS185 power supply Date: Mon, 16 Dec 2024 20:20:40 -0600 Message-ID: <20241217022046.113830-3-ninad@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241217022046.113830-1-ninad@linux.ibm.com> References: <20241217022046.113830-1-ninad@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: YcR4Q7u9MjKTFy1YlyEbg6pdZHNxne_N X-Proofpoint-ORIG-GUID: ldz9OOB_8-KCFUbL-IJjJvv-QCc3ZHQi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 mlxscore=0 phishscore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 priorityscore=1501 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412170015 Add the driver to monitor Intel common redundant power supply (crps185) with hwmon over pmbus. Signed-off-by: Ninad Palsule --- Documentation/hwmon/crps.rst | 97 +++++++++++++++++++++++++++++++++++ Documentation/hwmon/index.rst | 1 + MAINTAINERS | 7 +++ drivers/hwmon/pmbus/Kconfig | 9 ++++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/crps.c | 74 ++++++++++++++++++++++++++ 6 files changed, 189 insertions(+) create mode 100644 Documentation/hwmon/crps.rst create mode 100644 drivers/hwmon/pmbus/crps.c diff --git a/Documentation/hwmon/crps.rst b/Documentation/hwmon/crps.rst new file mode 100644 index 000000000000..87380b496558 --- /dev/null +++ b/Documentation/hwmon/crps.rst @@ -0,0 +1,97 @@ +.. SPDX-License-Identifier: GPL-2.0-or-later + +Kernel driver crps +================== + +Supported chips: + + * Intel CRPS185 + + Prefix: 'crps185' + + Addresses scanned: - + + Datasheet: Only available under NDA. + +Authors: + Ninad Palsule + + +Description +----------- + +This driver implements support for Intel Common Redundant Power supply with +PMBus support. + +The driver is a client driver to the core PMBus driver. +Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. + + +Usage Notes +----------- + +This driver does not auto-detect devices. You will have to instantiate the +devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for +details. + + +Sysfs entries +------------- + +======================= ====================================================== +curr1_label "iin" +curr1_input Measured input current +curr1_max Maximum input current +curr1_max_alarm Input maximum current high alarm +curr1_crit Critial high input current +curr1_crit_alarm Input critical current high alarm +curr1_rated_max Maximum rated input current + +curr2_label "iout1" +curr2_input Measured output current +curr2_max Maximum output current +curr2_max_alarm Output maximum current high alarm +curr2_crit Critial high output current +curr2_crit_alarm Output critical current high alarm +curr2_rated_max Maximum rated output current + +in1_label "vin" +in1_input Measured input voltage +in1_crit Critical input over voltage +in1_crit_alarm Critical input over voltage alarm +in1_max Maximum input over voltage +in1_max_alarm Maximum input over voltage alarm +in1_rated_min Minimum rated input voltage +in1_rated_max Maximum rated input voltage + +in2_label "vout1" +in2_input Measured input voltage +in2_crit Critical input over voltage +in2_crit_alarm Critical input over voltage alarm +in2_lcrit Critical input under voltage fault +in2_lcrit_alarm Critical input under voltage fault alarm +in2_max Maximum input over voltage +in2_max_alarm Maximum input over voltage alarm +in2_min Minimum input under voltage warning +in2_min_alarm Minimum input under voltage warning alarm +in2_rated_min Minimum rated input voltage +in2_rated_max Maximum rated input voltage + +power1_label "pin" +power1_input Measured input power +power1_alarm Input power high alarm +power1_max Maximum input power +power1_rated_max Maximum rated input power + +temp[1-2]_input Measured temperature +temp[1-2]_crit Critical temperature +temp[1-2]_crit_alarm Critical temperature alarm +temp[1-2]_max Maximum temperature +temp[1-2]_max_alarm Maximum temperature alarm +temp[1-2]_rated_max Maximum rated temperature + +fan1_alarm Fan 1 warning. +fan1_fault Fan 1 fault. +fan1_input Fan 1 speed in RPM. +fan1_target Fan 1 target. +======================= ====================================================== diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 1a3cb0a59f72..b1ea445479b0 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -58,6 +58,7 @@ Hardware Monitoring Kernel Drivers corsair-cpro corsair-psu cros_ec_hwmon + crps da9052 da9055 dell-smm-hwmon diff --git a/MAINTAINERS b/MAINTAINERS index 7523a456fd6f..e194478ecc55 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6118,6 +6118,13 @@ L: linux-input@vger.kernel.org S: Maintained F: drivers/hid/hid-creative-sb0540.c +INTEL CRPS COMMON REDUNDANT PSU DRIVER +M: Ninad Palsule +L: linux-hwmon@vger.kernel.org +S: Maintained +F: Documentation/hwmon/crps.rst +F: drivers/hwmon/pmbus/crps.c + CRYPTO API M: Herbert Xu M: "David S. Miller" diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 22418a05ced0..43b6df04e0f9 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -85,6 +85,15 @@ config SENSORS_BPA_RS600 This driver can also be built as a module. If so, the module will be called bpa-rs600. +config SENSORS_CRPS + tristate "Intel Common Redundant Power Supply" + help + If you say yes here you get hardware monitoring support for the Intel + Common Redundant Power Supply. + + This driver can also be built as a module. If so, the module will + be called crps. + config SENSORS_DELTA_AHE50DC_FAN tristate "Delta AHE-50DC fan control module" help diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index 3d3183f8d2a7..c7eb7739b7f8 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -62,3 +62,4 @@ obj-$(CONFIG_SENSORS_XDPE122) += xdpe12284.o obj-$(CONFIG_SENSORS_XDPE152) += xdpe152c4.o obj-$(CONFIG_SENSORS_ZL6100) += zl6100.o obj-$(CONFIG_SENSORS_PIM4328) += pim4328.o +obj-$(CONFIG_SENSORS_CRPS) += crps.o diff --git a/drivers/hwmon/pmbus/crps.c b/drivers/hwmon/pmbus/crps.c new file mode 100644 index 000000000000..164b33fed312 --- /dev/null +++ b/drivers/hwmon/pmbus/crps.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright 2024 IBM Corp. + */ + +#include +#include +#include + +#include "pmbus.h" + +static const struct i2c_device_id crps_id[] = { + { "intel_crps185" }, + {} +}; +MODULE_DEVICE_TABLE(i2c, crps_id); + +static struct pmbus_driver_info crps_info = { + .pages = 1, + /* PSU uses default linear data format. */ + .func[0] = PMBUS_HAVE_PIN | PMBUS_HAVE_IOUT | + PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_IIN | + PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT | + PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | + PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | + PMBUS_HAVE_STATUS_TEMP | + PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12, +}; + +static int crps_probe(struct i2c_client *client) +{ + int rc; + struct device *dev = &client->dev; + char buf[I2C_SMBUS_BLOCK_MAX + 2] = { 0 }; + + rc = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, buf); + if (rc < 0) + return dev_err_probe(dev, rc, "Failed to read PMBUS_MFR_MODEL\n"); + + if (rc != 7 || strncmp(buf, "03NK260", 7)) { + buf[rc] = '\0'; + return dev_err_probe(dev, -ENODEV, "Model '%s' not supported\n", buf); + } + + rc = pmbus_do_probe(client, &crps_info); + if (rc) + return dev_err_probe(dev, rc, "Failed to probe\n"); + + return 0; +} + +static const struct of_device_id crps_of_match[] = { + { + .compatible = "intel,crps185", + }, + {} +}; +MODULE_DEVICE_TABLE(of, crps_of_match); + +static struct i2c_driver crps_driver = { + .driver = { + .name = "crps", + .of_match_table = crps_of_match, + }, + .probe = crps_probe, + .id_table = crps_id, +}; + +module_i2c_driver(crps_driver); + +MODULE_AUTHOR("Ninad Palsule"); +MODULE_DESCRIPTION("PMBus driver for Intel Common Redundant power supplies"); 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Tue, 17 Dec 2024 02:20:56 +0000 (GMT) From: Ninad Palsule To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, eajames@linux.ibm.com, jdelvare@suse.com, linux@roeck-us.net, corbet@lwn.net, joel@jms.id.au, andrew@codeconstruct.com.au, Delphine_CC_Chiu@Wiwynn.com, broonie@kernel.org, peteryin.openbmc@gmail.com, noahwang.wang@outlook.com, naresh.solanki@9elements.com, lukas@wunner.de, jbrunet@baylibre.com, patrick.rudolph@9elements.com, gregkh@linuxfoundation.org, peterz@infradead.org, pbiel7@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-i2c@vger.kernel.org Cc: Ninad Palsule , Krzysztof Kozlowski Subject: [PATCH v3 3/4] dt-bindings: hwmon: intel,crps185: Add to trivial Date: Mon, 16 Dec 2024 20:20:41 -0600 Message-ID: <20241217022046.113830-4-ninad@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241217022046.113830-1-ninad@linux.ibm.com> References: <20241217022046.113830-1-ninad@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: DKQno20RUKfKDSjTxFwkG7hFXVqp6r9U X-Proofpoint-GUID: qECwStAYKG2lAB06pxoRDCtd_q2q7rBL X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1011 lowpriorityscore=0 impostorscore=0 spamscore=0 mlxscore=0 adultscore=0 mlxlogscore=999 suspectscore=0 bulkscore=0 phishscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412170015 Add INTEL Common Redundant Power Supply Versions crps185 bindings as trivial. It is trivial because only compatibility string is required in the device tree to load this driver. Acked-by: Krzysztof Kozlowski Signed-off-by: Ninad Palsule --- Documentation/devicetree/bindings/trivial-devices.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index 34e8ac1ddc24..fadbd3c041c8 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -149,6 +149,8 @@ properties: - injoinic,ip5306 # Inspur Power System power supply unit version 1 - inspur,ipsps1 + # Intel common redudant power supply crps185 + - intel,crps185 # Intersil ISL29028 Ambient Light and Proximity Sensor - isil,isl29028 # Intersil ISL29030 Ambient Light and Proximity Sensor From patchwork Tue Dec 17 02:20:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ninad Palsule X-Patchwork-Id: 851536 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D10413DB9F; 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Tue, 17 Dec 2024 02:21:01 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0956A5804E; Tue, 17 Dec 2024 02:21:01 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BF5DE5803F; Tue, 17 Dec 2024 02:20:58 +0000 (GMT) Received: from gfwa153.aus.stglabs.ibm.com (unknown [9.3.84.127]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Tue, 17 Dec 2024 02:20:58 +0000 (GMT) From: Ninad Palsule To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, eajames@linux.ibm.com, jdelvare@suse.com, linux@roeck-us.net, corbet@lwn.net, joel@jms.id.au, andrew@codeconstruct.com.au, Delphine_CC_Chiu@Wiwynn.com, broonie@kernel.org, peteryin.openbmc@gmail.com, noahwang.wang@outlook.com, naresh.solanki@9elements.com, lukas@wunner.de, jbrunet@baylibre.com, patrick.rudolph@9elements.com, gregkh@linuxfoundation.org, peterz@infradead.org, pbiel7@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-i2c@vger.kernel.org Cc: Ninad Palsule Subject: [PATCH v3 4/4] ARM: dts: aspeed: system1: Use crps PSU driver Date: Mon, 16 Dec 2024 20:20:42 -0600 Message-ID: <20241217022046.113830-5-ninad@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241217022046.113830-1-ninad@linux.ibm.com> References: <20241217022046.113830-1-ninad@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: Hh6hmXv8fYBKd3e_O6u3orwmVtIhLBJp X-Proofpoint-ORIG-GUID: n5cTMYJWosxJBRjSSeEGaPy4pf0XyB1Q X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 suspectscore=0 mlxscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 mlxlogscore=854 spamscore=0 bulkscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412170015 The system1 uses Intel common redundant (crps185) power supplies so move to correct new crps driver. Signed-off-by: Ninad Palsule --- arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts index 8f77bc9e860c..360b9ce3c850 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -681,22 +681,22 @@ &i2c2 { status = "okay"; power-supply@58 { - compatible = "ibm,cffps"; + compatible = "intel,crps185"; reg = <0x58>; }; power-supply@59 { - compatible = "ibm,cffps"; + compatible = "intel,crps185"; reg = <0x59>; }; power-supply@5a { - compatible = "ibm,cffps"; + compatible = "intel,crps185"; reg = <0x5a>; }; power-supply@5b { - compatible = "ibm,cffps"; + compatible = "intel,crps185"; reg = <0x5b>; }; };