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authorGuenter Roeck <guenter.roeck@ericsson.com>2011-09-10 23:59:15 +0400
committerGuenter Roeck <guenter.roeck@ericsson.com>2011-10-24 22:09:42 +0400
commit3d790287c4e6caa8790421737b1cf8f0a6531559 (patch)
tree447422fa83da2a4ca54ad66f9381f1980bf25433 /drivers/hwmon
parent4f3a659581cabf1be441d6467b523be914615496 (diff)
downloadlinux-3d790287c4e6caa8790421737b1cf8f0a6531559.tar.xz
hwmon: (pmbus) Add support for TEMP2 peak attributes
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>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/pmbus/pmbus.h3
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c45
2 files changed, 43 insertions, 5 deletions
diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
index cfa912d0f0b0..5d31d1c2c0f5 100644
--- a/drivers/hwmon/pmbus/pmbus.h
+++ b/drivers/hwmon/pmbus/pmbus.h
@@ -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
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index f241a4d2cf8f..814ebb198346 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -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),
}
};