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73 lines
2.2 KiB
73 lines
2.2 KiB
Kernel driver tps40422 |
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====================== |
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Supported chips: |
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* TI TPS40422 |
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Prefix: 'tps40422' |
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Addresses scanned: - |
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Datasheet: https://www.ti.com/lit/gpn/tps40422 |
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Author: Zhu Laiwen <[email protected]> |
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Description |
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----------- |
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This driver supports TI TPS40422 Dual-Output or Two-Phase Synchronous Buck |
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Controller with PMBus |
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The driver is a client driver to the core PMBus driver. |
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Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. |
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Usage Notes |
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----------- |
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This driver does not auto-detect devices. You will have to instantiate the |
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devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for |
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details. |
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Platform data support |
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--------------------- |
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The driver supports standard PMBus driver platform data. |
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Sysfs entries |
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------------- |
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The following attributes are supported. |
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======================= ======================================================= |
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in[1-2]_label "vout[1-2]" |
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in[1-2]_input Measured voltage. From READ_VOUT register. |
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in[1-2]_alarm voltage alarm. |
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curr[1-2]_input Measured current. From READ_IOUT register. |
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curr[1-2]_label "iout[1-2]" |
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curr1_max Maximum current. From IOUT_OC_WARN_LIMIT register. |
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curr1_crit Critical maximum current. From IOUT_OC_FAULT_LIMIT |
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register. |
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curr1_max_alarm Current high alarm. From IOUT_OC_WARN_LIMIT status. |
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curr1_crit_alarm Current critical high alarm. From IOUT_OC_FAULT status. |
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curr2_alarm Current high alarm. From IOUT_OC_WARNING status. |
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temp1_input Measured temperature. From READ_TEMPERATURE_2 register |
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on page 0. |
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temp1_max Maximum temperature. From OT_WARN_LIMIT register. |
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temp1_crit Critical high temperature. From OT_FAULT_LIMIT register. |
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temp1_max_alarm Chip temperature high alarm. Set by comparing |
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READ_TEMPERATURE_2 on page 0 with OT_WARN_LIMIT if |
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TEMP_OT_WARNING status is set. |
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temp1_crit_alarm Chip temperature critical high alarm. Set by comparing |
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READ_TEMPERATURE_2 on page 0 with OT_FAULT_LIMIT if |
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TEMP_OT_FAULT status is set. |
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temp2_input Measured temperature. From READ_TEMPERATURE_2 register |
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on page 1. |
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temp2_alarm Chip temperature alarm on page 1. |
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======================= =======================================================
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