1*9e8475a0SSyed Arif // SPDX-License-Identifier: GPL-2.0-or-later 2*9e8475a0SSyed Arif /* 3*9e8475a0SSyed Arif * Hardware monitoring driver for Analog Devices MAX20860A 4*9e8475a0SSyed Arif * 5*9e8475a0SSyed Arif * SPDX-FileCopyrightText: Copyright Hewlett Packard Enterprise Development LP 6*9e8475a0SSyed Arif */ 7*9e8475a0SSyed Arif 8*9e8475a0SSyed Arif #include <linux/i2c.h> 9*9e8475a0SSyed Arif #include <linux/module.h> 10*9e8475a0SSyed Arif #include <linux/regulator/driver.h> 11*9e8475a0SSyed Arif #include "pmbus.h" 12*9e8475a0SSyed Arif 13*9e8475a0SSyed Arif #if IS_ENABLED(CONFIG_SENSORS_MAX20860A_REGULATOR) 14*9e8475a0SSyed Arif static const struct regulator_desc max20860a_reg_desc[] = { 15*9e8475a0SSyed Arif PMBUS_REGULATOR_ONE("vout"), 16*9e8475a0SSyed Arif }; 17*9e8475a0SSyed Arif #endif 18*9e8475a0SSyed Arif 19*9e8475a0SSyed Arif static struct pmbus_driver_info max20860a_info = { 20*9e8475a0SSyed Arif .pages = 1, 21*9e8475a0SSyed Arif .format[PSC_VOLTAGE_IN] = linear, 22*9e8475a0SSyed Arif .format[PSC_VOLTAGE_OUT] = linear, 23*9e8475a0SSyed Arif .format[PSC_CURRENT_OUT] = linear, 24*9e8475a0SSyed Arif .format[PSC_TEMPERATURE] = linear, 25*9e8475a0SSyed Arif .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | 26*9e8475a0SSyed Arif PMBUS_HAVE_STATUS_VOUT | 27*9e8475a0SSyed Arif PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | 28*9e8475a0SSyed Arif PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | 29*9e8475a0SSyed Arif PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_STATUS_INPUT, 30*9e8475a0SSyed Arif #if IS_ENABLED(CONFIG_SENSORS_MAX20860A_REGULATOR) 31*9e8475a0SSyed Arif .num_regulators = 1, 32*9e8475a0SSyed Arif .reg_desc = max20860a_reg_desc, 33*9e8475a0SSyed Arif #endif 34*9e8475a0SSyed Arif }; 35*9e8475a0SSyed Arif 36*9e8475a0SSyed Arif static int max20860a_probe(struct i2c_client *client) 37*9e8475a0SSyed Arif { 38*9e8475a0SSyed Arif return pmbus_do_probe(client, &max20860a_info); 39*9e8475a0SSyed Arif } 40*9e8475a0SSyed Arif 41*9e8475a0SSyed Arif static const struct i2c_device_id max20860a_id[] = { 42*9e8475a0SSyed Arif {"max20860a"}, 43*9e8475a0SSyed Arif {} 44*9e8475a0SSyed Arif }; 45*9e8475a0SSyed Arif MODULE_DEVICE_TABLE(i2c, max20860a_id); 46*9e8475a0SSyed Arif 47*9e8475a0SSyed Arif static const struct of_device_id max20860a_of_match[] = { 48*9e8475a0SSyed Arif { .compatible = "adi,max20860a" }, 49*9e8475a0SSyed Arif {} 50*9e8475a0SSyed Arif }; 51*9e8475a0SSyed Arif MODULE_DEVICE_TABLE(of, max20860a_of_match); 52*9e8475a0SSyed Arif 53*9e8475a0SSyed Arif static struct i2c_driver max20860a_driver = { 54*9e8475a0SSyed Arif .driver = { 55*9e8475a0SSyed Arif .name = "max20860a", 56*9e8475a0SSyed Arif .of_match_table = max20860a_of_match, 57*9e8475a0SSyed Arif }, 58*9e8475a0SSyed Arif .probe = max20860a_probe, 59*9e8475a0SSyed Arif .id_table = max20860a_id, 60*9e8475a0SSyed Arif }; 61*9e8475a0SSyed Arif 62*9e8475a0SSyed Arif module_i2c_driver(max20860a_driver); 63*9e8475a0SSyed Arif 64*9e8475a0SSyed Arif MODULE_AUTHOR("Syed Arif <arif.syed@hpe.com>"); 65*9e8475a0SSyed Arif MODULE_AUTHOR("Sanman Pradhan <psanman@juniper.net>"); 66*9e8475a0SSyed Arif MODULE_DESCRIPTION("PMBus driver for Analog Devices MAX20860A"); 67*9e8475a0SSyed Arif MODULE_LICENSE("GPL"); 68*9e8475a0SSyed Arif MODULE_IMPORT_NS("PMBUS"); 69