[PATCH 2/3] hwmon: (peci/dimmtemp) add Intel Emerald Rapids platform support

[Ivan Mikhaylov]

On Tue, 2025-10-07 at 10:26 +0200, Paul Menzel wrote:
> Dear Ivan,
> 
> 
> Thank you for your patch.
> 
> Am 06.10.25 um 23:53 schrieb Ivan Mikhaylov:
> > Extend the functionality of hwmon (peci/dimmtemp) for Emerald
> > Rapids
> > platform.
> > 
> > The patch has been tested on a 5S system with 16 DIMMs installed.
> 
> What is 5S? 5 sockets? (Probably not.)

Paul, thank your for review and sorry for late reply.
5S - Intel 5 Series/5th Gen

> 
> > Verified read of DIMM temperature thresholds & temperature.
> 
> Also paste the output?
> 

root at bmc:/sys/bus/peci# ls -l devices/0-30/
lrwxrwxrwx    1 root     root             0 Oct 13 10:51 driver ->
../../../../../../../bus/peci/drivers/peci-cpu
drwxr-xr-x    4 root     root             0 Oct 13 10:51
peci_cpu.cputemp.emr.48
drwxr-xr-x    4 root     root             0 Oct 13 10:51
peci_cpu.dimmtemp.emr.48
drwxr-xr-x    2 root     root             0 Oct 13 10:51 power
--w-------    1 root     root          4096 Oct 13 10:51 remove
lrwxrwxrwx    1 root     root             0 Oct 13 10:51 subsystem ->
../../../../../../../bus/peci
-rw-r--r--    1 root     root          4096 Oct 13 10:51 uevent
root at bmc:/sys/bus/peci# ls -l devices/0-31/
lrwxrwxrwx    1 root     root             0 Oct 13 10:51 driver ->
../../../../../../../bus/peci/drivers/peci-cpu
drwxr-xr-x    4 root     root             0 Oct 13 10:51
peci_cpu.cputemp.emr.49
drwxr-xr-x    4 root     root             0 Oct 13 10:51
peci_cpu.dimmtemp.emr.49
drwxr-xr-x    2 root     root             0 Oct 13 10:51 power
--w-------    1 root     root          4096 Oct 13 10:51 remove
lrwxrwxrwx    1 root     root             0 Oct 13 10:51 subsystem ->
../../../../../../../bus/peci
-rw-r--r--    1 root     root          4096 Oct 13 10:51 uevent

root at bmc:/sys/class/hwmon/hwmon3# ls
device        of_node       subsystem     temp11_input  temp11_max   
temp13_input  temp13_max    temp15_input  temp15_max    temp1_input  
temp1_max     temp3_input   temp3_max     temp5_input   temp5_max    
temp7_input   temp7_max     temp9_input   temp9_max
name          power         temp11_crit   temp11_label  temp13_crit  
temp13_label  temp15_crit   temp15_label  temp1_crit    temp1_label  
temp3_crit    temp3_label   temp5_crit    temp5_label   temp7_crit   
temp7_label   temp9_crit    temp9_label   uevent

root at bmc:/sys/class/hwmon/hwmon5# ls
device        of_node       subsystem     temp11_input  temp11_max   
temp13_input  temp13_max    temp15_input  temp15_max    temp1_input  
temp1_max     temp3_input   temp3_max     temp5_input   temp5_max    
temp7_input   temp7_max     temp9_input   temp9_max
name          power         temp11_crit   temp11_label  temp13_crit  
temp13_label  temp15_crit   temp15_label  temp1_crit    temp1_label  
temp3_crit    temp3_label   temp5_crit    temp5_label   temp7_crit   
temp7_label   temp9_crit    temp9_label   uevent

root at bmc:/sys/class/hwmon/hwmon3# cat temp*
95000
35000
DIMM F1
93000
95000
35000
DIMM G1
93000
95000
34000
DIMM H1
93000
95000
35000
DIMM A1
93000
95000
36000
DIMM B1
93000
95000
36000
DIMM C1
93000
95000
36000
DIMM D1
93000
95000
36000

root at bmc:/sys/class/hwmon/hwmon5# cat temp*
95000
34000
DIMM F1
93000
95000
34000
DIMM G1
93000
95000
35000
DIMM H1
93000
95000
36000
DIMM A1
93000
95000
35000
DIMM B1
93000
95000
35000
DIMM C1
93000
95000
35000
DIMM D1
93000
95000
35000
DIMM E1
93000

Values around ~35 is temp*_input and thresholds as 93,95 for max and
crit temepratures plus temp*_label.

Guenter, I saw that you already applied other two patches, need I
resubmit series with updated info of commit for this one or just this
one?
>