xref: /openbmc/linux/drivers/hwmon/pmbus/max20751.c (revision 1975d167)
1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
21f61cab8SGuenter Roeck /*
31f61cab8SGuenter Roeck  * Hardware monitoring driver for Maxim MAX20751
41f61cab8SGuenter Roeck  *
51f61cab8SGuenter Roeck  * Copyright (c) 2015 Guenter Roeck
61f61cab8SGuenter Roeck  */
71f61cab8SGuenter Roeck 
81f61cab8SGuenter Roeck #include <linux/kernel.h>
91f61cab8SGuenter Roeck #include <linux/module.h>
101f61cab8SGuenter Roeck #include <linux/init.h>
111f61cab8SGuenter Roeck #include <linux/err.h>
121f61cab8SGuenter Roeck #include <linux/i2c.h>
131f61cab8SGuenter Roeck #include "pmbus.h"
141f61cab8SGuenter Roeck 
151f61cab8SGuenter Roeck static struct pmbus_driver_info max20751_info = {
161f61cab8SGuenter Roeck 	.pages = 1,
171f61cab8SGuenter Roeck 	.format[PSC_VOLTAGE_IN] = linear,
181f61cab8SGuenter Roeck 	.format[PSC_VOLTAGE_OUT] = vid,
19b9fa0a3aSVadim Pasternak 	.vrm_version[0] = vr12,
201f61cab8SGuenter Roeck 	.format[PSC_TEMPERATURE] = linear,
211f61cab8SGuenter Roeck 	.format[PSC_CURRENT_OUT] = linear,
221f61cab8SGuenter Roeck 	.format[PSC_POWER] = linear,
231f61cab8SGuenter Roeck 	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
241f61cab8SGuenter Roeck 		PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
251f61cab8SGuenter Roeck 		PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |
261f61cab8SGuenter Roeck 		PMBUS_HAVE_POUT,
271f61cab8SGuenter Roeck };
281f61cab8SGuenter Roeck 
max20751_probe(struct i2c_client * client)29dd431939SStephen Kitt static int max20751_probe(struct i2c_client *client)
301f61cab8SGuenter Roeck {
31dd431939SStephen Kitt 	return pmbus_do_probe(client, &max20751_info);
321f61cab8SGuenter Roeck }
331f61cab8SGuenter Roeck 
341f61cab8SGuenter Roeck static const struct i2c_device_id max20751_id[] = {
351f61cab8SGuenter Roeck 	{"max20751", 0},
361f61cab8SGuenter Roeck 	{}
371f61cab8SGuenter Roeck };
381f61cab8SGuenter Roeck 
391f61cab8SGuenter Roeck MODULE_DEVICE_TABLE(i2c, max20751_id);
401f61cab8SGuenter Roeck 
411f61cab8SGuenter Roeck static struct i2c_driver max20751_driver = {
421f61cab8SGuenter Roeck 	.driver = {
431f61cab8SGuenter Roeck 		   .name = "max20751",
441f61cab8SGuenter Roeck 		   },
45*1975d167SUwe Kleine-König 	.probe = max20751_probe,
461f61cab8SGuenter Roeck 	.id_table = max20751_id,
471f61cab8SGuenter Roeck };
481f61cab8SGuenter Roeck 
491f61cab8SGuenter Roeck module_i2c_driver(max20751_driver);
501f61cab8SGuenter Roeck 
511f61cab8SGuenter Roeck MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
521f61cab8SGuenter Roeck MODULE_DESCRIPTION("PMBus driver for Maxim MAX20751");
531f61cab8SGuenter Roeck MODULE_LICENSE("GPL");
54b94ca77eSGuenter Roeck MODULE_IMPORT_NS(PMBUS);
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