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authorGuenter Roeck <linux@roeck-us.net>2021-01-25 21:53:26 +0300
committerGuenter Roeck <linux@roeck-us.net>2021-01-29 20:20:31 +0300
commit220c404dc7a5f94779db741fa96cb63ef03b6d08 (patch)
tree599433e07d2cfeae0cb7918d11960d652f67fe97 /Documentation/hwmon
parent906ace80c2849d6ef114cfdb98178bd667f16aed (diff)
downloadlinux-220c404dc7a5f94779db741fa96cb63ef03b6d08.tar.xz
hwmon: (pmbus/max16601) Determine and use number of populated phases
The MAX16601 can report the number of populated phases. Use this information to only create sysfs attributes for populated phases. Cc: Alex Qiu <xqiu@google.com> Cc: Ugur Usug <Ugur.Usug@maximintegrated.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20210125185327.93282-1-linux@roeck-us.net Reviewed-by: Alex Qiu <xqiu@google.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
-rw-r--r--Documentation/hwmon/max16601.rst185
1 files changed, 73 insertions, 112 deletions
diff --git a/Documentation/hwmon/max16601.rst b/Documentation/hwmon/max16601.rst
index 346e74674c51..4813af0cc39d 100644
--- a/Documentation/hwmon/max16601.rst
+++ b/Documentation/hwmon/max16601.rst
@@ -45,115 +45,76 @@ Sysfs entries
The following attributes are supported.
-======================= =======================================================
-in1_label "vin1"
-in1_input VCORE input voltage.
-in1_alarm Input voltage alarm.
-
-in2_label "vout1"
-in2_input VCORE output voltage.
-in2_alarm Output voltage alarm.
-
-curr1_label "iin1"
-curr1_input VCORE input current, derived from duty cycle and output
- current.
-curr1_max Maximum input current.
-curr1_max_alarm Current high alarm.
-
-curr2_label "iin1.0"
-curr2_input VCORE phase 0 input current.
-
-curr3_label "iin1.1"
-curr3_input VCORE phase 1 input current.
-
-curr4_label "iin1.2"
-curr4_input VCORE phase 2 input current.
-
-curr5_label "iin1.3"
-curr5_input VCORE phase 3 input current.
-
-curr6_label "iin1.4"
-curr6_input VCORE phase 4 input current.
-
-curr7_label "iin1.5"
-curr7_input VCORE phase 5 input current.
-
-curr8_label "iin1.6"
-curr8_input VCORE phase 6 input current.
-
-curr9_label "iin1.7"
-curr9_input VCORE phase 7 input current.
-
-curr10_label "iin2"
-curr10_input VCORE input current, derived from sensor element.
-
-curr11_label "iin3"
-curr11_input VSA input current.
-
-curr12_label "iout1"
-curr12_input VCORE output current.
-curr12_crit Critical output current.
-curr12_crit_alarm Output current critical alarm.
-curr12_max Maximum output current.
-curr12_max_alarm Output current high alarm.
-
-curr13_label "iout1.0"
-curr13_input VCORE phase 0 output current.
-
-curr14_label "iout1.1"
-curr14_input VCORE phase 1 output current.
-
-curr15_label "iout1.2"
-curr15_input VCORE phase 2 output current.
-
-curr16_label "iout1.3"
-curr16_input VCORE phase 3 output current.
-
-curr17_label "iout1.4"
-curr17_input VCORE phase 4 output current.
-
-curr18_label "iout1.5"
-curr18_input VCORE phase 5 output current.
-
-curr19_label "iout1.6"
-curr19_input VCORE phase 6 output current.
-
-curr20_label "iout1.7"
-curr20_input VCORE phase 7 output current.
-
-curr21_label "iout3"
-curr21_input VSA output current.
-curr21_highest Historical maximum VSA output current.
-curr21_reset_history Write any value to reset curr21_highest.
-curr21_crit Critical output current.
-curr21_crit_alarm Output current critical alarm.
-curr21_max Maximum output current.
-curr21_max_alarm Output current high alarm.
-
-power1_label "pin1"
-power1_input Input power, derived from duty cycle and output current.
-power1_alarm Input power alarm.
-
-power2_label "pin2"
-power2_input Input power, derived from input current sensor.
-
-power3_label "pout"
-power3_input Output power.
-
-temp1_input VCORE temperature.
-temp1_crit Critical high temperature.
-temp1_crit_alarm Chip temperature critical high alarm.
-temp1_max Maximum temperature.
-temp1_max_alarm Chip temperature high alarm.
-
-temp2_input TSENSE_0 temperature
-temp3_input TSENSE_1 temperature
-temp4_input TSENSE_2 temperature
-temp5_input TSENSE_3 temperature
-
-temp6_input VSA temperature.
-temp6_crit Critical high temperature.
-temp6_crit_alarm Chip temperature critical high alarm.
-temp6_max Maximum temperature.
-temp6_max_alarm Chip temperature high alarm.
-======================= =======================================================
+=============================== ===============================================
+in1_label "vin1"
+in1_input VCORE input voltage.
+in1_alarm Input voltage alarm.
+
+in2_label "vout1"
+in2_input VCORE output voltage.
+in2_alarm Output voltage alarm.
+
+curr1_label "iin1"
+curr1_input VCORE input current, derived from duty cycle
+ and output current.
+curr1_max Maximum input current.
+curr1_max_alarm Current high alarm.
+
+curr[P+2]_label "iin1.P"
+curr[P+2]_input VCORE phase P input current.
+
+curr[N+2]_label "iin2"
+curr[N+2]_input VCORE input current, derived from sensor
+ element.
+ 'N' is the number of enabled/populated phases.
+
+curr[N+3]_label "iin3"
+curr[N+3]_input VSA input current.
+
+curr[N+4]_label "iout1"
+curr[N+4]_input VCORE output current.
+curr[N+4]_crit Critical output current.
+curr[N+4]_crit_alarm Output current critical alarm.
+curr[N+4]_max Maximum output current.
+curr[N+4]_max_alarm Output current high alarm.
+
+curr[N+P+5]_label "iout1.P"
+curr[N+P+5]_input VCORE phase P output current.
+
+curr[2*N+5]_label "iout3"
+curr[2*N+5]_input VSA output current.
+curr[2*N+5]_highest Historical maximum VSA output current.
+curr[2*N+5]_reset_history Write any value to reset curr21_highest.
+curr[2*N+5]_crit Critical output current.
+curr[2*N+5]_crit_alarm Output current critical alarm.
+curr[2*N+5]_max Maximum output current.
+curr[2*N+5]_max_alarm Output current high alarm.
+
+power1_label "pin1"
+power1_input Input power, derived from duty cycle and output
+ current.
+power1_alarm Input power alarm.
+
+power2_label "pin2"
+power2_input Input power, derived from input current sensor.
+
+power3_label "pout"
+power3_input Output power.
+
+temp1_input VCORE temperature.
+temp1_crit Critical high temperature.
+temp1_crit_alarm Chip temperature critical high alarm.
+temp1_max Maximum temperature.
+temp1_max_alarm Chip temperature high alarm.
+
+temp2_input TSENSE_0 temperature
+temp3_input TSENSE_1 temperature
+temp4_input TSENSE_2 temperature
+temp5_input TSENSE_3 temperature
+
+temp6_input VSA temperature.
+temp6_crit Critical high temperature.
+temp6_crit_alarm Chip temperature critical high alarm.
+temp6_max Maximum temperature.
+temp6_max_alarm Chip temperature high alarm.
+=============================== ===============================================