75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Hardware monitoring driver for Infineon TDA38640
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*
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* Copyright (c) 2023 9elements GmbH
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*
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*/
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#include <linux/err.h>
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#include <linux/i2c.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/regulator/driver.h>
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#include "pmbus.h"
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static const struct regulator_desc __maybe_unused tda38640_reg_desc[] = {
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PMBUS_REGULATOR("vout", 0),
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};
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static struct pmbus_driver_info tda38640_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_OUT] = linear,
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.format[PSC_CURRENT_IN] = linear,
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.format[PSC_POWER] = linear,
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.format[PSC_TEMPERATURE] = linear,
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.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT
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| PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP
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| PMBUS_HAVE_IIN
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| PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
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| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT
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| PMBUS_HAVE_POUT | PMBUS_HAVE_PIN,
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#if IS_ENABLED(CONFIG_SENSORS_TDA38640_REGULATOR)
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.num_regulators = 1,
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.reg_desc = tda38640_reg_desc,
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#endif
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};
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static int tda38640_probe(struct i2c_client *client)
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{
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return pmbus_do_probe(client, &tda38640_info);
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}
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static const struct i2c_device_id tda38640_id[] = {
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{"tda38640", 0},
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{}
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};
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MODULE_DEVICE_TABLE(i2c, tda38640_id);
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static const struct of_device_id __maybe_unused tda38640_of_match[] = {
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{ .compatible = "infineon,tda38640"},
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{ },
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};
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MODULE_DEVICE_TABLE(of, tda38640_of_match);
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/* This is the driver that will be inserted */
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static struct i2c_driver tda38640_driver = {
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.driver = {
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.name = "tda38640",
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.of_match_table = of_match_ptr(tda38640_of_match),
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},
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.probe_new = tda38640_probe,
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.id_table = tda38640_id,
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};
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module_i2c_driver(tda38640_driver);
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MODULE_AUTHOR("Patrick Rudolph <patrick.rudolph@9elements.com>");
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MODULE_DESCRIPTION("PMBus driver for Infineon TDA38640");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS(PMBUS);
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