adp1050.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Hardware monitoring driver for Analog Devices ADP1050
  4 *
  5 * Copyright (C) 2024 Analog Devices, Inc.
  6 */
  7#include <linux/bits.h>
  8#include <linux/i2c.h>
  9#include <linux/mod_devicetable.h>
 10#include <linux/module.h>
 11
 12#include "pmbus.h"
 13
 14#if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR)
 15static const struct regulator_desc adp1050_reg_desc[] = {
 16	PMBUS_REGULATOR_ONE("vout"),
 17};
 18#endif /* CONFIG_SENSORS_ADP1050_REGULATOR */
 19
 20static struct pmbus_driver_info adp1050_info = {
 21	.pages = 1,
 22	.format[PSC_VOLTAGE_IN] = linear,
 23	.format[PSC_VOLTAGE_OUT] = linear,
 24	.format[PSC_CURRENT_IN] = linear,
 25	.format[PSC_TEMPERATURE] = linear,
 26	.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
 27		| PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT
 28		| PMBUS_HAVE_IIN | PMBUS_HAVE_TEMP
 29		| PMBUS_HAVE_STATUS_TEMP,
 30};
 31
 32static struct pmbus_driver_info adp1051_info = {
 33	.pages = 1,
 34	.format[PSC_VOLTAGE_IN] = linear,
 35	.format[PSC_VOLTAGE_OUT] = linear,
 36	.format[PSC_CURRENT_IN] = linear,
 37	.format[PSC_TEMPERATURE] = linear,
 38	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
 39		| PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
 40		| PMBUS_HAVE_TEMP
 41		| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT
 42		| PMBUS_HAVE_STATUS_INPUT
 43		| PMBUS_HAVE_STATUS_TEMP,
 44};
 45
 46static struct pmbus_driver_info adp1055_info = {
 47	.pages = 1,
 48	.format[PSC_VOLTAGE_IN] = linear,
 49	.format[PSC_VOLTAGE_OUT] = linear,
 50	.format[PSC_CURRENT_IN] = linear,
 51	.format[PSC_TEMPERATURE] = linear,
 52	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
 53		| PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
 54		| PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3
 55		| PMBUS_HAVE_POUT
 56		| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT
 57		| PMBUS_HAVE_STATUS_INPUT
 58		| PMBUS_HAVE_STATUS_TEMP,
 59};
 60
 61static struct pmbus_driver_info ltp8800_info = {
 62	.pages = 1,
 63	.format[PSC_VOLTAGE_IN] = linear,
 64	.format[PSC_VOLTAGE_OUT] = linear,
 65	.format[PSC_CURRENT_IN] = linear,
 66	.format[PSC_TEMPERATURE] = linear,
 67	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
 68		| PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
 69		| PMBUS_HAVE_TEMP
 70		| PMBUS_HAVE_POUT
 71		| PMBUS_HAVE_STATUS_VOUT
 72		| PMBUS_HAVE_STATUS_INPUT
 73		| PMBUS_HAVE_STATUS_TEMP,
 74#if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR)
 75	.num_regulators = 1,
 76	.reg_desc = adp1050_reg_desc,
 77#endif
 78};
 79
 80static int adp1050_probe(struct i2c_client *client)
 81{
 82	struct pmbus_driver_info *info;
 83
 84	info = (struct pmbus_driver_info *)i2c_get_match_data(client);
 85	if (!info)
 86		return -ENODEV;
 87
 88	return pmbus_do_probe(client, info);
 89}
 90
 91static const struct i2c_device_id adp1050_id[] = {
 92	{ .name = "adp1050", .driver_data = (kernel_ulong_t)&adp1050_info },
 93	{ .name = "adp1051", .driver_data = (kernel_ulong_t)&adp1051_info },
 94	{ .name = "adp1055", .driver_data = (kernel_ulong_t)&adp1055_info },
 95	{ .name = "ltp8800", .driver_data = (kernel_ulong_t)&ltp8800_info },
 96	{}
 97};
 98MODULE_DEVICE_TABLE(i2c, adp1050_id);
 99
100static const struct of_device_id adp1050_of_match[] = {
101	{ .compatible = "adi,adp1050", .data = &adp1050_info },
102	{ .compatible = "adi,adp1051", .data = &adp1051_info },
103	{ .compatible = "adi,adp1055", .data = &adp1055_info },
104	{ .compatible = "adi,ltp8800", .data = &ltp8800_info },
105	{}
106};
107MODULE_DEVICE_TABLE(of, adp1050_of_match);
108
109static struct i2c_driver adp1050_driver = {
110	.driver = {
111		.name = "adp1050",
112		.of_match_table = adp1050_of_match,
113	},
114	.probe = adp1050_probe,
115	.id_table = adp1050_id,
116};
117module_i2c_driver(adp1050_driver);
118
119MODULE_AUTHOR("Radu Sabau <radu.sabau@analog.com>");
120MODULE_DESCRIPTION("Analog Devices ADP1050 HWMON PMBus Driver");
121MODULE_LICENSE("GPL");
122MODULE_IMPORT_NS("PMBUS");