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e09ef2fe4a
Add regulator support for the single-channel LTP8800-1A/-2/-4A 150A/135A/200A DC/DC µModule Regulator. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Cedric Encarnacion <cedricjustine.encarnacion@analog.com> Link: https://lore.kernel.org/r/20250709-adp1051-v5-3-539254692252@analog.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Hardware monitoring driver for Analog Devices ADP1050
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*
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* Copyright (C) 2024 Analog Devices, Inc.
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*/
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#include <linux/bits.h>
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#include <linux/i2c.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include "pmbus.h"
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#if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR)
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static const struct regulator_desc adp1050_reg_desc[] = {
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PMBUS_REGULATOR_ONE("vout"),
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};
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#endif /* CONFIG_SENSORS_ADP1050_REGULATOR */
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static struct pmbus_driver_info adp1050_info = {
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.pages = 1,
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.format[PSC_VOLTAGE_IN] = linear,
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.format[PSC_VOLTAGE_OUT] = linear,
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.format[PSC_CURRENT_IN] = linear,
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.format[PSC_TEMPERATURE] = linear,
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.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
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| PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT
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| PMBUS_HAVE_IIN | PMBUS_HAVE_TEMP
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| PMBUS_HAVE_STATUS_TEMP,
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};
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static struct pmbus_driver_info adp1051_info = {
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.pages = 1,
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.format[PSC_VOLTAGE_IN] = linear,
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.format[PSC_VOLTAGE_OUT] = linear,
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.format[PSC_CURRENT_IN] = linear,
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.format[PSC_TEMPERATURE] = linear,
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.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
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| PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
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| PMBUS_HAVE_TEMP
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| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT
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| PMBUS_HAVE_STATUS_INPUT
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| PMBUS_HAVE_STATUS_TEMP,
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};
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static struct pmbus_driver_info adp1055_info = {
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.pages = 1,
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.format[PSC_VOLTAGE_IN] = linear,
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.format[PSC_VOLTAGE_OUT] = linear,
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.format[PSC_CURRENT_IN] = linear,
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.format[PSC_TEMPERATURE] = linear,
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.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
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| PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
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| PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3
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| PMBUS_HAVE_POUT
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| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT
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| PMBUS_HAVE_STATUS_INPUT
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| PMBUS_HAVE_STATUS_TEMP,
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};
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static struct pmbus_driver_info ltp8800_info = {
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.pages = 1,
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.format[PSC_VOLTAGE_IN] = linear,
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.format[PSC_VOLTAGE_OUT] = linear,
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.format[PSC_CURRENT_IN] = linear,
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.format[PSC_TEMPERATURE] = linear,
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.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
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| PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
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| PMBUS_HAVE_TEMP
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| PMBUS_HAVE_POUT
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| PMBUS_HAVE_STATUS_VOUT
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| PMBUS_HAVE_STATUS_INPUT
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| PMBUS_HAVE_STATUS_TEMP,
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#if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR)
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.num_regulators = 1,
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.reg_desc = adp1050_reg_desc,
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#endif
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};
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static int adp1050_probe(struct i2c_client *client)
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{
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struct pmbus_driver_info *info;
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info = (struct pmbus_driver_info *)i2c_get_match_data(client);
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if (!info)
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return -ENODEV;
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return pmbus_do_probe(client, info);
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}
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static const struct i2c_device_id adp1050_id[] = {
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{ .name = "adp1050", .driver_data = (kernel_ulong_t)&adp1050_info },
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{ .name = "adp1051", .driver_data = (kernel_ulong_t)&adp1051_info },
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{ .name = "adp1055", .driver_data = (kernel_ulong_t)&adp1055_info },
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{ .name = "ltp8800", .driver_data = (kernel_ulong_t)<p8800_info },
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{}
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};
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MODULE_DEVICE_TABLE(i2c, adp1050_id);
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static const struct of_device_id adp1050_of_match[] = {
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{ .compatible = "adi,adp1050", .data = &adp1050_info },
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{ .compatible = "adi,adp1051", .data = &adp1051_info },
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{ .compatible = "adi,adp1055", .data = &adp1055_info },
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{ .compatible = "adi,ltp8800", .data = <p8800_info },
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{}
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};
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MODULE_DEVICE_TABLE(of, adp1050_of_match);
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static struct i2c_driver adp1050_driver = {
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.driver = {
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.name = "adp1050",
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.of_match_table = adp1050_of_match,
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},
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.probe = adp1050_probe,
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.id_table = adp1050_id,
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};
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module_i2c_driver(adp1050_driver);
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MODULE_AUTHOR("Radu Sabau <radu.sabau@analog.com>");
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MODULE_DESCRIPTION("Analog Devices ADP1050 HWMON PMBus Driver");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS("PMBUS");
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