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authorGuenter Roeck <linux@roeck-us.net>2012-04-27 15:13:08 -0700
committerGuenter Roeck <linux@roeck-us.net>2013-02-06 09:58:06 -0800
commit50115ac9b6f35ce6bbb61e5ae21fc3bbd01d490c (patch)
treeebc8caad7885c9a7270f90935a5c0a7b8be36112 /drivers/hwmon
parent16c6d01f3b21bd35526cccbe37010a906072a590 (diff)
hwmon: (pmbus/max34440) Add support for MAX34460 and MAX34461
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>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/pmbus/Kconfig2
-rw-r--r--drivers/hwmon/pmbus/max34440.c75
2 files changed, 74 insertions, 3 deletions
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index 60745a535821..4f9eb0af5229 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -72,7 +72,7 @@ config SENSORS_MAX34440
default n
help
If you say yes here you get hardware monitoring support for Maxim
- MAX34440, MAX34441, and MAX34446.
+ MAX34440, MAX34441, MAX34446, MAX34460, and MAX34461.
This driver can also be built as a module. If so, the module will
be called max34440.
diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c
index 2ada7b021fbe..7e930c3ce1ab 100644
--- a/drivers/hwmon/pmbus/max34440.c
+++ b/drivers/hwmon/pmbus/max34440.c
@@ -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);