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Tue, 19 Nov 2024 22:59:09 -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; Tue, 19 Nov 2024 22:59:09 -0500 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) 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; Tue, 19 Nov 2024 22:59:09 -0500 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Tue, 19 Nov 2024 22:59:09 -0500 Received: from CENCARNA-L02.ad.analog.com (CENCARNA-L02.ad.analog.com [10.116.39.203]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 4AK3wWZl027365; Tue, 19 Nov 2024 22:58:59 -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 2/2] hwmon: (pmbus/adp1050): add support for adp1051, adp1055 and ltp8800 Date: Wed, 20 Nov 2024 11:58:26 +0800 Message-ID: <20241120035826.3920-3-cedricjustine.encarnacion@analog.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241120035826.3920-1-cedricjustine.encarnacion@analog.com> References: <20241120035826.3920-1-cedricjustine.encarnacion@analog.com> Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: lcKxszCKuCocugpeOefSo9PcNzemEhXb X-Proofpoint-ORIG-GUID: lcKxszCKuCocugpeOefSo9PcNzemEhXb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 mlxlogscore=999 priorityscore=1501 clxscore=1015 lowpriorityscore=0 bulkscore=0 malwarescore=0 mlxscore=0 suspectscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411200028 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 LTP8800 is a family of step-down μModule regulators that provides microprocessor core voltage from 54V power distribution architecture. LTP8800 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 | 63 +++++++++++++++++++++++++++-- drivers/hwmon/pmbus/Kconfig | 9 +++++ drivers/hwmon/pmbus/adp1050.c | 72 +++++++++++++++++++++++++++++++-- 3 files changed, 137 insertions(+), 7 deletions(-) diff --git a/Documentation/hwmon/adp1050.rst b/Documentation/hwmon/adp1050.rst index 8fa937064886..1692373ee5af 100644 --- a/Documentation/hwmon/adp1050.rst +++ b/Documentation/hwmon/adp1050.rst @@ -13,18 +13,43 @@ 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 - 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. -The ADP1050 is an advanced digital controller with a PMBus™ +The ADP105X is an advanced digital controller with a 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, @@ -49,16 +74,46 @@ 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/Kconfig b/drivers/hwmon/pmbus/Kconfig index f6d352841953..5d03a307824e 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 20f22730fc01..46f2dda8adbb 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, @@ -23,19 +29,79 @@ 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, +#if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR) + .num_regulators = 1, + .reg_desc = adp1050_reg_desc, +#endif +}; + static int adp1050_probe(struct i2c_client *client) { - return pmbus_do_probe(client, &adp1050_info); + const struct pmbus_driver_info *info; + + info = device_get_match_data(&client->dev); + 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);