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Fri, 24 Jan 2025 10:18:21 -0500 Received: from ASHBCASHYB5.ad.analog.com (10.64.17.133) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Fri, 24 Jan 2025 10:18:21 -0500 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBCASHYB5.ad.analog.com (10.64.17.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Fri, 24 Jan 2025 10:18:21 -0500 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Fri, 24 Jan 2025 10:18:21 -0500 Received: from CENCARNA-L02.ad.analog.com (CENCARNA-L02.ad.analog.com [10.117.116.131]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 50OFHp0N031715; Fri, 24 Jan 2025 10:18:11 -0500 From: Cedric Encarnacion To: , , , , CC: Guenter Roeck , Jean Delvare , Jonathan Corbet , Delphine CC Chiu , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Radu Sabau" , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Alexis Czezar Torreno , Cedric Encarnacion , Andy Shevchenko Subject: [PATCH v4 1/3] dt-bindings: hwmon: (pmbus/adp1050): Add adp1051, adp1055 and ltp8800 Date: Fri, 24 Jan 2025 23:17:44 +0800 Message-ID: <20250124151746.1130-2-cedricjustine.encarnacion@analog.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250124151746.1130-1-cedricjustine.encarnacion@analog.com> References: <20250124151746.1130-1-cedricjustine.encarnacion@analog.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: MW_c1c9DfkAu3rd_ub8xuNL0NGeo4zm9 X-Proofpoint-ORIG-GUID: MW_c1c9DfkAu3rd_ub8xuNL0NGeo4zm9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-24_06,2025-01-23_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=999 clxscore=1015 adultscore=0 bulkscore=0 suspectscore=0 spamscore=0 impostorscore=0 mlxscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501240108 Add support for adp1051, adp1055, and ltp8800. ADP1051: 6 PWM for I/O Voltage, I/O Current, Temperature ADP1055: 6 PWM for I/O Voltage, I/O Current, Power, Temperature LTP8800-1A/-2/-4A: 150A/135A/200A DC/DC µModule Regulator Co-developed-by: Alexis Czezar Torreno Signed-off-by: Alexis Czezar Torreno Signed-off-by: Cedric Encarnacion Acked-by: Conor Dooley --- .../bindings/hwmon/pmbus/adi,adp1050.yaml | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml index 10c2204bc3df..af7530093942 100644 --- a/Documentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml +++ b/Documentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml @@ -10,16 +10,27 @@ maintainers: - Radu Sabau description: | - The ADP1050 is used to monitor system voltages, currents and temperatures. + The ADP1050 and similar devices are used to monitor system voltages, + currents, power, and temperatures. + Through the PMBus interface, the ADP1050 targets isolated power supplies and has four individual monitors for input/output voltage, input current and temperature. Datasheet: https://www.analog.com/en/products/adp1050.html + https://www.analog.com/en/products/adp1051.html + https://www.analog.com/en/products/adp1055.html + https://www.analog.com/en/products/ltp8800-1a.html + https://www.analog.com/en/products/ltp8800-2.html + https://www.analog.com/en/products/ltp8800-4a.html properties: compatible: - const: adi,adp1050 + enum: + - adi,adp1050 + - adi,adp1051 + - adi,adp1055 + - adi,ltp8800 reg: maxItems: 1 From patchwork Fri Jan 24 15:17:45 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Cedric Encarnacion X-Patchwork-Id: 859893 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) (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 7AA301C232D; Fri, 24 Jan 2025 15:18:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.135.77 ARC-Seal: i=1; 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Fri, 24 Jan 2025 10:18:16 -0500 From: Cedric Encarnacion To: , , , , CC: Guenter Roeck , Jean Delvare , Jonathan Corbet , Delphine CC Chiu , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Radu Sabau" , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Alexis Czezar Torreno , Cedric Encarnacion , Andy Shevchenko Subject: [PATCH v4 2/3] hwmon: (pmbus/adp1050): Add support for adp1051, adp1055 and ltp8800 Date: Fri, 24 Jan 2025 23:17:45 +0800 Message-ID: <20250124151746.1130-3-cedricjustine.encarnacion@analog.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250124151746.1130-1-cedricjustine.encarnacion@analog.com> References: <20250124151746.1130-1-cedricjustine.encarnacion@analog.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: j3R_RhhOMlLTotQzKscOA71t2gSg_hZd X-Proofpoint-ORIG-GUID: j3R_RhhOMlLTotQzKscOA71t2gSg_hZd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-24_06,2025-01-23_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=999 clxscore=1015 adultscore=0 bulkscore=0 suspectscore=0 spamscore=0 impostorscore=0 mlxscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501240108 Introduce hardware monitoring support for the following devices: ADP1051: 6 PWM for I/O Voltage, I/O Current, Temperature ADP1055: 6 PWM for I/O Voltage, I/O Current, Power, Temperature LTP8800-1A/-2/-4A: 150A/135A/200A DC/DC µModule Regulator The ADP1051 and ADP1055 are similar digital controllers for high efficiency DC-DC power conversion while the LTP8800 is a family of step-down μModule regulators that provides microprocessor core voltage from 54V power distribution architecture. All of the above components features telemetry monitoring of input/output voltage, input current, output power, and temperature over PMBus. Co-developed-by: Alexis Czezar Torreno Signed-off-by: Alexis Czezar Torreno Signed-off-by: Cedric Encarnacion --- Documentation/hwmon/adp1050.rst | 71 ++++++++++++++++++++++++++++++--- drivers/hwmon/pmbus/adp1050.c | 62 ++++++++++++++++++++++++++-- 2 files changed, 124 insertions(+), 9 deletions(-) diff --git a/Documentation/hwmon/adp1050.rst b/Documentation/hwmon/adp1050.rst index 8fa937064886..32514084fbdc 100644 --- a/Documentation/hwmon/adp1050.rst +++ b/Documentation/hwmon/adp1050.rst @@ -13,6 +13,32 @@ Supported chips: Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADP1050.pdf + * Analog Devices ADP1051 + + Prefix: 'adp1051' + + Addresses scanned: I2C 0x70 - 0x77 + + Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADP1051.pdf + + * Analog Devices ADP1055 + + Prefix: 'adp1055' + + Addresses scanned: I2C 0x4B - 0x77 + + Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADP1055.pdf + + * Analog Devices LTP8800-1A/-2/-4A + + Prefix: 'ltp8800' + + Addresses scanned: - + + Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/LTP8800-1A.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/LTP8800-2.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/LTP8800-4A.pdf + Authors: - Radu Sabau @@ -21,14 +47,17 @@ Authors: Description ----------- -This driver supprts hardware monitoring for Analog Devices ADP1050 Digital -Controller for Isolated Power Supply with PMBus interface. +This driver supports hardware monitoring for Analog Devices ADP1050, ADP1051, +and ADP1055 Digital Controller for Isolated Power Supply with PMBus interface, +and the LTP8800 step-down μModule regulators. -The ADP1050 is an advanced digital controller with a PMBus™ +The ADP1050, ADP1051, and ADP1055 are advanced digital controllers with PMBus™ interface targeting high density, high efficiency dc-to-dc power -conversion used to monitor system temperatures, voltages and currents. -Through the PMBus interface, the device can monitor input/output voltages, -input current and temperature. +conversion used to monitor system temperatures, voltages and currents. The +LTP8800 is a family of step-down μModule regulators that provides microprocessor +core voltage from 54V power distribution architecture. Through the PMBus +interface, the device can monitor input/output voltages, input current and +temperature. Usage Notes ----------- @@ -49,16 +78,46 @@ Sysfs Attributes in1_label "vin" in1_input Measured input voltage in1_alarm Input voltage alarm +in1_crit Critical maximum input voltage +in1_crit_alarm Input voltage high alarm +in1_lcrit Critical minimum input voltage +in1_lcrit_alarm Input voltage critical low alarm in2_label "vout1" in2_input Measured output voltage in2_crit Critical maximum output voltage in2_crit_alarm Output voltage high alarm in2_lcrit Critical minimum output voltage in2_lcrit_alarm Output voltage critical low alarm +in2_max Critical maximum output voltage +in2_max_alarm Output voltage critical max alarm +in2_min Critical minimum output voltage +in2_min_alarm Output voltage critical min alarm curr1_label "iin" curr1_input Measured input current. curr1_alarm Input current alarm +curr1_crit Critical maximum input current +curr1_crit_alarm Input current high alarm +curr2_label "iout1" +curr2_input Measured output current +curr2_alarm Output current alarm +curr2_crit Critical maximum output current +curr2_crit_alarm Output current high alarm +curr2_lcrit Critical minimum output current +curr2_lcrit_alarm Output current critical low alarm +curr2_max Critical maximum output current +curr2_max_alarm Output current critical max alarm +power1_label "pout1" +power1_input Measured output power +power1_crit Critical maximum output power +power1_crit_alarm Output power high alarm temp1_input Measured temperature temp1_crit Critical high temperature temp1_crit_alarm Chip temperature critical high alarm +temp1_max Critical maximum temperature +temp1_max_alarm Temperature critical max alarm +temp2_input Measured temperature +temp2_crit Critical high temperature +temp2_crit_alarm Chip temperature critical high alarm +temp2_max Critical maximum temperature +temp2_max_alarm Temperature critical max alarm ================= ======================================== diff --git a/drivers/hwmon/pmbus/adp1050.c b/drivers/hwmon/pmbus/adp1050.c index ef46c880b168..2f75e8f1424d 100644 --- a/drivers/hwmon/pmbus/adp1050.c +++ b/drivers/hwmon/pmbus/adp1050.c @@ -23,19 +23,75 @@ static struct pmbus_driver_info adp1050_info = { | PMBUS_HAVE_STATUS_TEMP, }; +static struct pmbus_driver_info adp1051_info = { + .pages = 1, + .format[PSC_VOLTAGE_IN] = linear, + .format[PSC_VOLTAGE_OUT] = linear, + .format[PSC_CURRENT_IN] = linear, + .format[PSC_TEMPERATURE] = linear, + .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN + | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT + | PMBUS_HAVE_TEMP + | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT + | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_STATUS_TEMP, +}; + +static struct pmbus_driver_info adp1055_info = { + .pages = 1, + .format[PSC_VOLTAGE_IN] = linear, + .format[PSC_VOLTAGE_OUT] = linear, + .format[PSC_CURRENT_IN] = linear, + .format[PSC_TEMPERATURE] = linear, + .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN + | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT + | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3 + | PMBUS_HAVE_POUT + | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT + | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_STATUS_TEMP, +}; + +static struct pmbus_driver_info ltp8800_info = { + .pages = 1, + .format[PSC_VOLTAGE_IN] = linear, + .format[PSC_VOLTAGE_OUT] = linear, + .format[PSC_CURRENT_IN] = linear, + .format[PSC_TEMPERATURE] = linear, + .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN + | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT + | PMBUS_HAVE_TEMP + | PMBUS_HAVE_POUT + | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_STATUS_TEMP, +}; + static int adp1050_probe(struct i2c_client *client) { - return pmbus_do_probe(client, &adp1050_info); + struct pmbus_driver_info *info; + + info = i2c_get_match_data(client); + if (!info) + return -ENODEV; + + return pmbus_do_probe(client, info); } static const struct i2c_device_id adp1050_id[] = { - {"adp1050"}, + { .name = "adp1050", .driver_data = (kernel_ulong_t)&adp1050_info}, + { .name = "adp1051", .driver_data = (kernel_ulong_t)&adp1051_info}, + { .name = "adp1055", .driver_data = (kernel_ulong_t)&adp1055_info}, + { .name = "ltp8800", .driver_data = (kernel_ulong_t)<p8800_info}, {} }; MODULE_DEVICE_TABLE(i2c, adp1050_id); static const struct of_device_id adp1050_of_match[] = { - { .compatible = "adi,adp1050"}, + { .compatible = "adi,adp1050", .data = &adp1050_info}, + { .compatible = "adi,adp1051", .data = &adp1051_info}, + { .compatible = "adi,adp1055", .data = &adp1055_info}, + { .compatible = "adi,ltp8800", .data = <p8800_info}, {} }; MODULE_DEVICE_TABLE(of, adp1050_of_match); 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Fri, 24 Jan 2025 10:18:30 -0500 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Fri, 24 Jan 2025 10:18:30 -0500 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Fri, 24 Jan 2025 10:18:30 -0500 Received: from CENCARNA-L02.ad.analog.com (CENCARNA-L02.ad.analog.com [10.117.116.131]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 50OFHp0P031715; Fri, 24 Jan 2025 10:18:21 -0500 From: Cedric Encarnacion To: , , , , CC: Guenter Roeck , Jean Delvare , Jonathan Corbet , Delphine CC Chiu , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Radu Sabau , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Alexis Czezar Torreno , Cedric Encarnacion , Andy Shevchenko Subject: [PATCH v4 3/3] hwmon: (pmbus/adp1050): Add regulator support for ltp8800 Date: Fri, 24 Jan 2025 23:17:46 +0800 Message-ID: <20250124151746.1130-4-cedricjustine.encarnacion@analog.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250124151746.1130-1-cedricjustine.encarnacion@analog.com> References: <20250124151746.1130-1-cedricjustine.encarnacion@analog.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: WObp_gDEiwDgj_zhQm_UrK2X07wZoMeA X-Proofpoint-GUID: WObp_gDEiwDgj_zhQm_UrK2X07wZoMeA X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-24_06,2025-01-23_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=999 clxscore=1015 mlxscore=0 impostorscore=0 phishscore=0 bulkscore=0 malwarescore=0 suspectscore=0 adultscore=0 priorityscore=1501 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501240108 Add regulator support for the single-channel LTP8800-1A/-2/-4A 150A/135A/200A DC/DC µModule Regulator. Signed-off-by: Cedric Encarnacion --- drivers/hwmon/pmbus/Kconfig | 9 +++++++++ drivers/hwmon/pmbus/adp1050.c | 10 ++++++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 419469f40ba0..a890cf3aef91 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -67,6 +67,15 @@ config SENSORS_ADP1050 This driver can also be built as a module. If so, the module will be called adp1050. +config SENSORS_ADP1050_REGULATOR + bool "Regulator support for ADP1050 and compatibles" + depends on SENSORS_ADP1050 && REGULATOR + help + If you say yes here you get regulator support for Analog Devices + LTP8800-1A, LTP8800-4A, and LTP8800-2. LTP8800 is a family of DC/DC + µModule regulators that can provide microprocessor power from 54V + power distribution architecture. + config SENSORS_BEL_PFE tristate "Bel PFE Compatible Power Supplies" help diff --git a/drivers/hwmon/pmbus/adp1050.c b/drivers/hwmon/pmbus/adp1050.c index 2f75e8f1424d..a835ecf5c7fc 100644 --- a/drivers/hwmon/pmbus/adp1050.c +++ b/drivers/hwmon/pmbus/adp1050.c @@ -11,6 +11,12 @@ #include "pmbus.h" +#if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR) +static const struct regulator_desc adp1050_reg_desc[] = { + PMBUS_REGULATOR_ONE("vout"), +}; +#endif /* CONFIG_SENSORS_ADP1050_REGULATOR */ + static struct pmbus_driver_info adp1050_info = { .pages = 1, .format[PSC_VOLTAGE_IN] = linear, @@ -65,6 +71,10 @@ static struct pmbus_driver_info ltp8800_info = { | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP, +#if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR) + .num_regulators = 1, + .reg_desc = adp1050_reg_desc, +#endif }; static int adp1050_probe(struct i2c_client *client)