65 lines
		
	
	
	
		
			1.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			65 lines
		
	
	
	
		
			1.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Hardware monitoring driver for TI TPS40422 | ||
|  |  * | ||
|  |  * Copyright (c) 2014 Nokia Solutions and Networks. | ||
|  |  * | ||
|  |  * This program is free software; you can redistribute it and/or modify | ||
|  |  * it under the terms of the GNU General Public License as published by | ||
|  |  * the Free Software Foundation; either version 2 of the License, or | ||
|  |  * (at your option) any later version. | ||
|  |  * | ||
|  |  * This program is distributed in the hope that it will be useful, | ||
|  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
|  |  * GNU General Public License for more details. | ||
|  |  */ | ||
|  | 
 | ||
|  | #include <linux/kernel.h>
 | ||
|  | #include <linux/module.h>
 | ||
|  | #include <linux/init.h>
 | ||
|  | #include <linux/err.h>
 | ||
|  | #include <linux/i2c.h>
 | ||
|  | #include "pmbus.h"
 | ||
|  | 
 | ||
|  | static struct pmbus_driver_info tps40422_info = { | ||
|  | 	.pages = 2, | ||
|  | 	.format[PSC_VOLTAGE_IN] = linear, | ||
|  | 	.format[PSC_VOLTAGE_OUT] = linear, | ||
|  | 	.format[PSC_TEMPERATURE] = linear, | ||
|  | 	.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2 | ||
|  | 		| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP | ||
|  | 		| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | ||
|  | 	.func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP2 | ||
|  | 		| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP | ||
|  | 		| PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | ||
|  | }; | ||
|  | 
 | ||
|  | static int tps40422_probe(struct i2c_client *client, | ||
|  | 			  const struct i2c_device_id *id) | ||
|  | { | ||
|  | 	return pmbus_do_probe(client, id, &tps40422_info); | ||
|  | } | ||
|  | 
 | ||
|  | static const struct i2c_device_id tps40422_id[] = { | ||
|  | 	{"tps40422", 0}, | ||
|  | 	{} | ||
|  | }; | ||
|  | 
 | ||
|  | MODULE_DEVICE_TABLE(i2c, tps40422_id); | ||
|  | 
 | ||
|  | /* This is the driver that will be inserted */ | ||
|  | static struct i2c_driver tps40422_driver = { | ||
|  | 	.driver = { | ||
|  | 		   .name = "tps40422", | ||
|  | 		   }, | ||
|  | 	.probe = tps40422_probe, | ||
|  | 	.remove = pmbus_do_remove, | ||
|  | 	.id_table = tps40422_id, | ||
|  | }; | ||
|  | 
 | ||
|  | module_i2c_driver(tps40422_driver); | ||
|  | 
 | ||
|  | MODULE_AUTHOR("Zhu Laiwen <richard.zhu@nsn.com>"); | ||
|  | MODULE_DESCRIPTION("PMBus driver for TI TPS40422"); | ||
|  | MODULE_LICENSE("GPL"); |