68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Driver for MPS MP5023 Hot-Swap Controller
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*/
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include "pmbus.h"
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static struct pmbus_driver_info mp5023_info = {
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.pages = 1,
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.format[PSC_VOLTAGE_IN] = direct,
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.format[PSC_VOLTAGE_OUT] = direct,
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.format[PSC_CURRENT_OUT] = direct,
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.format[PSC_POWER] = direct,
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.format[PSC_TEMPERATURE] = direct,
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.m[PSC_VOLTAGE_IN] = 32,
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.b[PSC_VOLTAGE_IN] = 0,
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.R[PSC_VOLTAGE_IN] = 0,
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.m[PSC_VOLTAGE_OUT] = 32,
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.b[PSC_VOLTAGE_OUT] = 0,
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.R[PSC_VOLTAGE_OUT] = 0,
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.m[PSC_CURRENT_OUT] = 16,
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.b[PSC_CURRENT_OUT] = 0,
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.R[PSC_CURRENT_OUT] = 0,
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.m[PSC_POWER] = 1,
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.b[PSC_POWER] = 0,
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.R[PSC_POWER] = 0,
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.m[PSC_TEMPERATURE] = 2,
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.b[PSC_TEMPERATURE] = 0,
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.R[PSC_TEMPERATURE] = 0,
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.func[0] =
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PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_PIN |
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PMBUS_HAVE_TEMP | PMBUS_HAVE_IOUT |
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PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP,
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};
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static int mp5023_probe(struct i2c_client *client)
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{
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return pmbus_do_probe(client, &mp5023_info);
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}
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static const struct of_device_id __maybe_unused mp5023_of_match[] = {
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{ .compatible = "mps,mp5023", },
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{}
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};
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MODULE_DEVICE_TABLE(of, mp5023_of_match);
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static struct i2c_driver mp5023_driver = {
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.driver = {
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.name = "mp5023",
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.of_match_table = of_match_ptr(mp5023_of_match),
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},
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.probe_new = mp5023_probe,
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};
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module_i2c_driver(mp5023_driver);
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MODULE_AUTHOR("Howard Chiu <howard.chiu@quantatw.com>");
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MODULE_DESCRIPTION("PMBus driver for MPS MP5023 HSC");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS(PMBUS);
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