^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) Kernel driver max8688
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) =====================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) Supported chips:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Maxim MAX8688
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) Prefix: 'max8688'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) Addresses scanned: -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX8688.pdf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) Author: Guenter Roeck <linux@roeck-us.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) Description
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) -----------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) This driver supports hardware monitoring for Maxim MAX8688 Digital Power-Supply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) Controller/Monitor with PMBus Interface.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) The driver is a client driver to the core PMBus driver. Please see
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) Usage Notes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) -----------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) This driver does not auto-detect devices. You will have to instantiate the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) Platform data support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) ---------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) The driver supports standard PMBus driver platform data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) Sysfs entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) -------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) The following attributes are supported. Limits are read-write; all other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) attributes are read-only.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) ======================= ========================================================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) in1_label "vout1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) in1_input Measured voltage. From READ_VOUT register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) in1_min Minimum Voltage. From VOUT_UV_WARN_LIMIT register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) in1_max Maximum voltage. From VOUT_OV_WARN_LIMIT register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) in1_lcrit Critical minimum Voltage. VOUT_UV_FAULT_LIMIT register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) in1_crit Critical maximum voltage. From VOUT_OV_FAULT_LIMIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) in1_min_alarm Voltage low alarm. From VOLTAGE_UV_WARNING status.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) in1_max_alarm Voltage high alarm. From VOLTAGE_OV_WARNING status.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) in1_lcrit_alarm Voltage critical low alarm. From VOLTAGE_UV_FAULT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) status.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) in1_crit_alarm Voltage critical high alarm. From VOLTAGE_OV_FAULT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) status.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) in1_highest Historical maximum voltage.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) in1_reset_history Write any value to reset history.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) curr1_label "iout1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) curr1_input Measured current. From READ_IOUT register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) curr1_max Maximum current. From IOUT_OC_WARN_LIMIT register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) curr1_crit Critical maximum current. From IOUT_OC_FAULT_LIMIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) curr1_max_alarm Current high alarm. From IOUT_OC_WARN_LIMIT register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) curr1_crit_alarm Current critical high alarm. From IOUT_OC_FAULT status.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) curr1_highest Historical maximum current.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) curr1_reset_history Write any value to reset history.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) temp1_input Measured temperature. From READ_TEMPERATURE_1 register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) temp1_max Maximum temperature. From OT_WARN_LIMIT register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) temp1_crit Critical high temperature. From OT_FAULT_LIMIT register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) temp1_max_alarm Chip temperature high alarm. Set by comparing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) READ_TEMPERATURE_1 with OT_WARN_LIMIT if TEMP_OT_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) status is set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) temp1_crit_alarm Chip temperature critical high alarm. Set by comparing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) READ_TEMPERATURE_1 with OT_FAULT_LIMIT if TEMP_OT_FAULT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) status is set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) temp1_highest Historical maximum temperature.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) temp1_reset_history Write any value to reset history.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) ======================= ========================================================
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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