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| author | Quan Nguyen <quan@os.amperecomputing.com> | 2022-11-02 13:21:03 +0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-12-04 16:45:02 -0800 |
| commit | c1cb98c55f470447479298aaec7f92219562613e (patch) | |
| tree | 2771ed91ae8beffe425e66615c5f7774eff21a35 /Documentation/hwmon | |
| parent | 78d448a3725584b7c46d3d881035943f759135fd (diff) | |
| download | linux-c1cb98c55f470447479298aaec7f92219562613e.tar.bz2 | |
docs: hwmon: (smpro-hwmon) Improve grammar and formatting
Improve documentation grammar and formatting for the
Ampere(R)'s Altra(R) SMpro hwmon driver.
Thanks Bagas for the changes in the link below.
Link: https://lore.kernel.org/lkml/Y1aHiaZ1OpHZIzS9@google.com/T/#mfea2167b99384486a1b75d9304536015116c1821
Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20221102062103.3135417-1-quan@os.amperecomputing.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
| -rw-r--r-- | Documentation/hwmon/smpro-hwmon.rst | 111 |
1 files changed, 56 insertions, 55 deletions
diff --git a/Documentation/hwmon/smpro-hwmon.rst b/Documentation/hwmon/smpro-hwmon.rst index 3a9b14dacf89..fb7b3665735b 100644 --- a/Documentation/hwmon/smpro-hwmon.rst +++ b/Documentation/hwmon/smpro-hwmon.rst @@ -7,39 +7,39 @@ Supported chips: * Ampere(R) Altra(R) - Prefix: 'smpro' + Prefix: ``smpro`` - Reference: Altra SoC BMC Interface Specification + Reference: `Altra SoC BMC Interface Specification` Author: Thu Nguyen <thu@os.amperecomputing.com> Description ----------- -This driver supports hardware monitoring for Ampere(R) Altra(R) SoC's based on the -SMpro co-processor (SMpro). -The following sensor types are supported by the driver: +The smpro-hwmon driver supports hardware monitoring for Ampere(R) Altra(R) +SoCs based on the SMpro co-processor (SMpro). The following sensor metrics +are supported by the driver: * temperature * voltage * current * power -The SMpro interface provides the registers to query the various sensors and +The interface provides the registers to query the various sensors and their values which are then exported to userspace by this driver. Usage Notes ----------- -SMpro hwmon driver creates at least two sysfs files for each sensor. +The driver creates at least two sysfs files for each sensor. -* File ``<sensor_type><idx>_label`` reports the sensor label. -* File ``<sensor_type><idx>_input`` returns the sensor value. +* ``<sensor_type><idx>_label`` reports the sensor label. +* ``<sensor_type><idx>_input`` returns the sensor value. -The sysfs files are allocated in the SMpro root fs folder. -There is one root folder for each SMpro instance. +The sysfs files are allocated in the SMpro rootfs folder, with one root +directory for each instance. -When the SoC is turned off, the driver will fail to read registers -and return -ENXIO. +When the SoC is turned off, the driver will fail to read registers and +return ``-ENXIO``. Sysfs entries ------------- @@ -48,48 +48,49 @@ The following sysfs files are supported: * Ampere(R) Altra(R): -============ ============= ====== =============================================== -Name Unit Perm Description -temp1_input milli Celsius RO SoC temperature -temp2_input milli Celsius RO Max temperature reported among SoC VRDs -temp2_crit milli Celsius RO SoC VRD HOT Threshold temperature -temp3_input milli Celsius RO Max temperature reported among DIMM VRDs -temp4_input milli Celsius RO Max temperature reported among Core VRDs -temp5_input milli Celsius RO Temperature of DIMM0 on CH0 -temp5_crit milli Celsius RO MEM HOT Threshold for all DIMMs -temp6_input milli Celsius RO Temperature of DIMM0 on CH1 -temp6_crit milli Celsius RO MEM HOT Threshold for all DIMMs -temp7_input milli Celsius RO Temperature of DIMM0 on CH2 -temp7_crit milli Celsius RO MEM HOT Threshold for all DIMMs -temp8_input milli Celsius RO Temperature of DIMM0 on CH3 -temp8_crit milli Celsius RO MEM HOT Threshold for all DIMMs -temp9_input milli Celsius RO Temperature of DIMM0 on CH4 -temp9_crit milli Celsius RO MEM HOT Threshold for all DIMMs -temp10_input milli Celsius RO Temperature of DIMM0 on CH5 -temp10_crit milli Celsius RO MEM HOT Threshold for all DIMMs -temp11_input milli Celsius RO Temperature of DIMM0 on CH6 -temp11_crit milli Celsius RO MEM HOT Threshold for all DIMMs -temp12_input milli Celsius RO Temperature of DIMM0 on CH7 -temp12_crit milli Celsius RO MEM HOT Threshold for all DIMMs -temp13_input milli Celsius RO Max temperature reported among RCA VRDs -in0_input milli Volts RO Core voltage -in1_input milli Volts RO SoC voltage -in2_input milli Volts RO DIMM VRD1 voltage -in3_input milli Volts RO DIMM VRD2 voltage -in4_input milli Volts RO RCA VRD voltage -cur1_input milli Amperes RO Core VRD current -cur2_input milli Amperes RO SoC VRD current -cur3_input milli Amperes RO DIMM VRD1 current -cur4_input milli Amperes RO DIMM VRD2 current -cur5_input milli Amperes RO RCA VRD current -power1_input micro Watts RO Core VRD power -power2_input micro Watts RO SoC VRD power -power3_input micro Watts RO DIMM VRD1 power -power4_input micro Watts RO DIMM VRD2 power -power5_input micro Watts RO RCA VRD power -============ ============= ====== =============================================== - -Example:: + ============ ============= ====== =============================================== + Name Unit Perm Description + ============ ============= ====== =============================================== + temp1_input millicelsius RO SoC temperature + temp2_input millicelsius RO Max temperature reported among SoC VRDs + temp2_crit millicelsius RO SoC VRD HOT Threshold temperature + temp3_input millicelsius RO Max temperature reported among DIMM VRDs + temp4_input millicelsius RO Max temperature reported among Core VRDs + temp5_input millicelsius RO Temperature of DIMM0 on CH0 + temp5_crit millicelsius RO MEM HOT Threshold for all DIMMs + temp6_input millicelsius RO Temperature of DIMM0 on CH1 + temp6_crit millicelsius RO MEM HOT Threshold for all DIMMs + temp7_input millicelsius RO Temperature of DIMM0 on CH2 + temp7_crit millicelsius RO MEM HOT Threshold for all DIMMs + temp8_input millicelsius RO Temperature of DIMM0 on CH3 + temp8_crit millicelsius RO MEM HOT Threshold for all DIMMs + temp9_input millicelsius RO Temperature of DIMM0 on CH4 + temp9_crit millicelsius RO MEM HOT Threshold for all DIMMs + temp10_input millicelsius RO Temperature of DIMM0 on CH5 + temp10_crit millicelsius RO MEM HOT Threshold for all DIMMs + temp11_input millicelsius RO Temperature of DIMM0 on CH6 + temp11_crit millicelsius RO MEM HOT Threshold for all DIMMs + temp12_input millicelsius RO Temperature of DIMM0 on CH7 + temp12_crit millicelsius RO MEM HOT Threshold for all DIMMs + temp13_input millicelsius RO Max temperature reported among RCA VRDs + in0_input millivolts RO Core voltage + in1_input millivolts RO SoC voltage + in2_input millivolts RO DIMM VRD1 voltage + in3_input millivolts RO DIMM VRD2 voltage + in4_input millivolts RO RCA VRD voltage + cur1_input milliamperes RO Core VRD current + cur2_input milliamperes RO SoC VRD current + cur3_input milliamperes RO DIMM VRD1 current + cur4_input milliamperes RO DIMM VRD2 current + cur5_input milliamperes RO RCA VRD current + power1_input microwatts RO Core VRD power + power2_input microwatts RO SoC VRD power + power3_input microwatts RO DIMM VRD1 power + power4_input microwatts RO DIMM VRD2 power + power5_input microwatts RO RCA VRD power + ============ ============= ====== =============================================== + + Example:: # cat in0_input 830 |