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hwmon: (pmbus) Add support for TEMP2 peak attributes

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At least one PMBus chip supports peak attributes for READ_TEMPERATURE2.
Add virtual registers to be able to report it to the user.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
This commit is contained in:
Guenter Roeck 2011-09-10 12:59:15 -07:00
parent 4f3a659581
commit 3d790287c4
2 changed files with 43 additions and 5 deletions
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3
drivers/hwmon/pmbus/pmbus.h
View file

@ -168,6 +168,9 @@
#define PMBUS_VIRT_READ_IOUT_MIN (PMBUS_VIRT_BASE + 19)
#define PMBUS_VIRT_READ_IOUT_MAX (PMBUS_VIRT_BASE + 20)
#define PMBUS_VIRT_RESET_IOUT_HISTORY (PMBUS_VIRT_BASE + 21)
#define PMBUS_VIRT_READ_TEMP2_MIN (PMBUS_VIRT_BASE + 22)
#define PMBUS_VIRT_READ_TEMP2_MAX (PMBUS_VIRT_BASE + 23)
#define PMBUS_VIRT_RESET_TEMP2_HISTORY (PMBUS_VIRT_BASE + 24)
/*
* CAPABILITY

45
drivers/hwmon/pmbus/pmbus_core.c
View file

@ -1401,7 +1401,42 @@ static const struct pmbus_limit_attr temp_limit_attrs[] = {
}
};
static const struct pmbus_limit_attr temp_limit_attrs23[] = {
static const struct pmbus_limit_attr temp_limit_attrs2[] = {
{
.reg = PMBUS_UT_WARN_LIMIT,
.low = true,
.attr = "min",
.alarm = "min_alarm",
.sbit = PB_TEMP_UT_WARNING,
}, {
.reg = PMBUS_UT_FAULT_LIMIT,
.low = true,
.attr = "lcrit",
.alarm = "lcrit_alarm",
.sbit = PB_TEMP_UT_FAULT,
}, {
.reg = PMBUS_OT_WARN_LIMIT,
.attr = "max",
.alarm = "max_alarm",
.sbit = PB_TEMP_OT_WARNING,
}, {
.reg = PMBUS_OT_FAULT_LIMIT,
.attr = "crit",
.alarm = "crit_alarm",
.sbit = PB_TEMP_OT_FAULT,
}, {
.reg = PMBUS_VIRT_READ_TEMP2_MIN,
.attr = "lowest",
}, {
.reg = PMBUS_VIRT_READ_TEMP2_MAX,
.attr = "highest",
}, {
.reg = PMBUS_VIRT_RESET_TEMP2_HISTORY,
.attr = "reset_history",
}
};
static const struct pmbus_limit_attr temp_limit_attrs3[] = {
{
.reg = PMBUS_UT_WARN_LIMIT,
.low = true,
@ -1450,8 +1485,8 @@ static const struct pmbus_sensor_attr temp_attributes[] = {
.sfunc = PMBUS_HAVE_STATUS_TEMP,
.sbase = PB_STATUS_TEMP_BASE,
.gbit = PB_STATUS_TEMPERATURE,
.limit = temp_limit_attrs23,
.nlimit = ARRAY_SIZE(temp_limit_attrs23),
.limit = temp_limit_attrs2,
.nlimit = ARRAY_SIZE(temp_limit_attrs2),
}, {
.reg = PMBUS_READ_TEMPERATURE_3,
.class = PSC_TEMPERATURE,
@ -1462,8 +1497,8 @@ static const struct pmbus_sensor_attr temp_attributes[] = {
.sfunc = PMBUS_HAVE_STATUS_TEMP,
.sbase = PB_STATUS_TEMP_BASE,
.gbit = PB_STATUS_TEMPERATURE,
.limit = temp_limit_attrs23,
.nlimit = ARRAY_SIZE(temp_limit_attrs23),
.limit = temp_limit_attrs3,
.nlimit = ARRAY_SIZE(temp_limit_attrs3),
}
};