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hwmon: (pmbus) Add support for Maxim MAX16064

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Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
This commit is contained in:
Guenter Roeck 2011-01-26 20:14:26 -08:00
parent 8ea3238ba1
commit dcb7d0668b
3 changed files with 102 additions and 0 deletions
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10
drivers/hwmon/Kconfig
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@ -779,6 +779,16 @@ config SENSORS_PMBUS
This driver can also be built as a module. If so, the module will
be called pmbus.
config SENSORS_MAX16064
tristate "Maxim MAX16064"
default n
help
If you say yes here you get hardware monitoring support for Maxim
MAX16064.
This driver can also be built as a module. If so, the module will
be called max16064.
config SENSORS_MAX8688
tristate "Maxim MAX8688"
default n

1
drivers/hwmon/Makefile
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@ -117,6 +117,7 @@ obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o
# PMBus drivers
obj-$(CONFIG_PMBUS) += pmbus_core.o
obj-$(CONFIG_SENSORS_PMBUS) += pmbus.o
obj-$(CONFIG_SENSORS_MAX16064) += max16064.o
obj-$(CONFIG_SENSORS_MAX8688) += max8688.o
ifeq ($(CONFIG_HWMON_DEBUG_CHIP),y)

91
drivers/hwmon/max16064.c Normal file
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@ -0,0 +1,91 @@
/*
* Hardware monitoring driver for Maxim MAX16064
*
* Copyright (c) 2011 Ericsson AB.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#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 max16064_info = {
.pages = 4,
.direct[PSC_VOLTAGE_IN] = true,
.direct[PSC_VOLTAGE_OUT] = true,
.direct[PSC_TEMPERATURE] = true,
.m[PSC_VOLTAGE_IN] = 19995,
.b[PSC_VOLTAGE_IN] = 0,
.R[PSC_VOLTAGE_IN] = -1,
.m[PSC_VOLTAGE_OUT] = 19995,
.b[PSC_VOLTAGE_OUT] = 0,
.R[PSC_VOLTAGE_OUT] = -1,
.m[PSC_TEMPERATURE] = -7612,
.b[PSC_TEMPERATURE] = 335,
.R[PSC_TEMPERATURE] = -3,
.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_TEMP
| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_TEMP,
.func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
};
static int max16064_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
return pmbus_do_probe(client, id, &max16064_info);
}
static int max16064_remove(struct i2c_client *client)
{
return pmbus_do_remove(client);
}
static const struct i2c_device_id max16064_id[] = {
{"max16064", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, max16064_id);
/* This is the driver that will be inserted */
static struct i2c_driver max16064_driver = {
.driver = {
.name = "max16064",
},
.probe = max16064_probe,
.remove = max16064_remove,
.id_table = max16064_id,
};
static int __init max16064_init(void)
{
return i2c_add_driver(&max16064_driver);
}
static void __exit max16064_exit(void)
{
i2c_del_driver(&max16064_driver);
}
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus driver for Maxim MAX16064");
MODULE_LICENSE("GPL");
module_init(max16064_init);
module_exit(max16064_exit);