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Commit 3d790287 authored by Guenter Roeck's avatar Guenter Roeck
Browse files

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: default avatarGuenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: default avatarRobert Coulson <robert.coulson@ericsson.com>
parent 4f3a6595

drivers/hwmon/pmbus/pmbus.h

+3 −0
Original line number Diff line number Diff line
@@ -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

drivers/hwmon/pmbus/pmbus_core.c

+40 −5
Original line number Diff line number Diff line
@@ -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),

	}

};