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Fri, 24 Jan 2025 10:18:25 -0500 Received: from ASHBCASHYB4.ad.analog.com (10.64.17.132) 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 10:18:25 -0500 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBCASHYB4.ad.analog.com (10.64.17.132) 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 10:18:25 -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 10:18:25 -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 50OFHp0O031715; 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);