Instead of setting "peci_tmpin" in the devicetree, THERMAL_PECI is now
a mode of TMPIN like THERMAL_RESISTOR and THERMAL_DIODE. Since the logic
to set temperature offsets and limits is in the function that sets
thermal modes, it makes sense to treat PECI as yet another mode.
As of this commit, there are no boards that actually use peci_tmpin from
ite/common. There are three boards that have a similar device tree
option, but those boards use it8772f, which implements all superio
functions on its own.
The first user will probably be Gigabyte GA-Z77-DS3H.
Change-Id: I39da50c124ad767f8681302733cf004622975e81
Signed-off-by: Vagiz Trakhanov <rakkin@autistici.org>
Reviewed-on: https://review.coreboot.org/22076
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Add devicetree options to set temperature limits that are used to alarm
user when temperature exceeds defined values.
Audio alerts by superio are not implemented yet, but since limits are
visible to userland, some software might use them as is. For instance,
lm-sensors displays "ALERT" when temperature exceeds limits.
Change-Id: I56e041fb78f518d6a9640dc2b3985459991242b9
Signed-off-by: Vagiz Tarkhanov <rakkin@autistici.org>
Reviewed-on: https://review.coreboot.org/21844
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Add a devicetree option to set temperature adjustment registers
required for thermal diode sensors and PECI. However, this commit does
not have the code needed to make PECI interface actually use these
registers. It only applies to diodes.
As a temporary workaround, one can set both THERMAL_DIODE and peci_tmpin
to the same TMPIN, e.g. TMPIN3.mode="THERMAL_DIODE" and peci_tmpin="3".
PECI, apparently, takes precedence over diode, so the adjustment register
will be set and PECI activated. Or simply use the followup patch, which
makes THERMAL_PECI a mode like THERMAL_DIODE.
I don't have hardware to test THERMAL_DIODE mode, but in case of PECI,
without this patch I had about -60°C on idle. Now, with offset 97,
which was taken from vendor bios, PECI readings became reasonable 35°C.
TEST=Set a temperature offset, then ensure that the value you set is
reflected in /sys/class/hwmon/hwmon*/temp[1-3]_offset
Change-Id: Ibce6809ca86b6c7c0c696676e309665fc57965d4
Signed-off-by: Vagiz Tarkhanov <rakkin@autistici.org>
Reviewed-on: https://review.coreboot.org/21843
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
The devicetree parameter already existed without being
used in the code.
Change-Id: I99dd8bc7a9b2f3509a115a130062d462a62e33fd
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/17614
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>
The environment-controller entity is shared by many ITE super-i/o
chips. There are some differences between the chips, though. To cover
that, the super-i/o chip should select Kconfig options of this driver
accordingly.
The current implementation isn't exhaustive: It covers only those
parts that are connected on boards I could test, plus those that are
currently used by the IT8772F. The latter could be ported to use this
driver if somebody minds to test it.
Change-Id: I7a40f677f667d103ce1d09a3e468915729067803
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17284
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
