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hwmon: (pmbus/max34440) Add support for MAX34460 and MAX34461

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MAX34460 is a PMBus 12-Channel Voltage Monitor & Sequencer.
MAX34461 is a PMBus 16-Channel Voltage Monitor & Sequencer.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck
2012-04-27 15:13:08 -07:00
parent 16c6d01f3b
commit 50115ac9b6
3 changed files with 90 additions and 3 deletions
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75
drivers/hwmon/pmbus/max34440.c
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@@ -2,6 +2,7 @@
* Hardware monitoring driver for Maxim MAX34440/MAX34441
*
* Copyright (c) 2011 Ericsson AB.
* Copyright (c) 2012 Guenter Roeck
*
* 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
@@ -25,7 +26,7 @@
#include <linux/i2c.h>
#include "pmbus.h"
enum chips { max34440, max34441, max34446 };
enum chips { max34440, max34441, max34446, max34460, max34461 };
#define MAX34440_MFR_VOUT_PEAK 0xd4
#define MAX34440_MFR_IOUT_PEAK 0xd5
@@ -87,7 +88,8 @@ static int max34440_read_word_data(struct i2c_client *client, int page, int reg)
MAX34446_MFR_POUT_PEAK);
break;
case PMBUS_VIRT_READ_TEMP_AVG:
if (data->id != max34446)
if (data->id != max34446 && data->id != max34460 &&
data->id != max34461)
return -ENXIO;
ret = pmbus_read_word_data(client, page,
MAX34446_MFR_TEMPERATURE_AVG);
@@ -322,6 +324,73 @@ static struct pmbus_driver_info max34440_info[] = {
.read_word_data = max34440_read_word_data,
.write_word_data = max34440_write_word_data,
},
[max34460] = {
.pages = 18,
.format[PSC_VOLTAGE_OUT] = direct,
.format[PSC_TEMPERATURE] = direct,
.m[PSC_VOLTAGE_OUT] = 1,
.b[PSC_VOLTAGE_OUT] = 0,
.R[PSC_VOLTAGE_OUT] = 3,
.m[PSC_TEMPERATURE] = 1,
.b[PSC_TEMPERATURE] = 0,
.R[PSC_TEMPERATURE] = 2,
.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.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,
.func[4] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[5] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[6] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[7] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[8] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[9] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[10] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[11] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[13] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.func[14] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.func[15] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.func[16] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.func[17] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.read_byte_data = max34440_read_byte_data,
.read_word_data = max34440_read_word_data,
.write_word_data = max34440_write_word_data,
},
[max34461] = {
.pages = 23,
.format[PSC_VOLTAGE_OUT] = direct,
.format[PSC_TEMPERATURE] = direct,
.m[PSC_VOLTAGE_OUT] = 1,
.b[PSC_VOLTAGE_OUT] = 0,
.R[PSC_VOLTAGE_OUT] = 3,
.m[PSC_TEMPERATURE] = 1,
.b[PSC_TEMPERATURE] = 0,
.R[PSC_TEMPERATURE] = 2,
.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.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,
.func[4] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[5] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[6] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[7] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[8] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[9] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[10] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[11] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[12] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[13] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[14] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
.func[15] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT,
/* page 16 is reserved */
.func[17] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.func[18] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.func[19] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.func[20] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.func[21] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
.read_byte_data = max34440_read_byte_data,
.read_word_data = max34440_read_word_data,
.write_word_data = max34440_write_word_data,
},
};
static int max34440_probe(struct i2c_client *client,
@@ -343,6 +412,8 @@ static const struct i2c_device_id max34440_id[] = {
{"max34440", max34440},
{"max34441", max34441},
{"max34446", max34446},
{"max34460", max34460},
{"max34461", max34461},
{}
};
MODULE_DEVICE_TABLE(i2c, max34440_id);