| Kernel driver max16065 |
| ====================== |
| |
| Supported chips: |
| * Maxim MAX16065, MAX16066 |
| Prefixes: 'max16065', 'max16066' |
| Addresses scanned: - |
| Datasheet: |
| http://datasheets.maxim-ic.com/en/ds/MAX16065-MAX16066.pdf |
| * Maxim MAX16067 |
| Prefix: 'max16067' |
| Addresses scanned: - |
| Datasheet: |
| http://datasheets.maxim-ic.com/en/ds/MAX16067.pdf |
| * Maxim MAX16068 |
| Prefix: 'max16068' |
| Addresses scanned: - |
| Datasheet: |
| http://datasheets.maxim-ic.com/en/ds/MAX16068.pdf |
| * Maxim MAX16070/MAX16071 |
| Prefixes: 'max16070', 'max16071' |
| Addresses scanned: - |
| Datasheet: |
| http://datasheets.maxim-ic.com/en/ds/MAX16070-MAX16071.pdf |
| |
| |
| Author: Guenter Roeck <linux@roeck-us.net> |
| |
| |
| Description |
| ----------- |
| |
| [From datasheets] The MAX16065/MAX16066 flash-configurable system managers |
| monitor and sequence multiple system voltages. The MAX16065/MAX16066 can also |
| accurately monitor (+/-2.5%) one current channel using a dedicated high-side |
| current-sense amplifier. The MAX16065 manages up to twelve system voltages |
| simultaneously, and the MAX16066 manages up to eight supply voltages. |
| |
| The MAX16067 flash-configurable system manager monitors and sequences multiple |
| system voltages. The MAX16067 manages up to six system voltages simultaneously. |
| |
| The MAX16068 flash-configurable system manager monitors and manages up to six |
| system voltages simultaneously. |
| |
| The MAX16070/MAX16071 flash-configurable system monitors supervise multiple |
| system voltages. The MAX16070/MAX16071 can also accurately monitor (+/-2.5%) |
| one current channel using a dedicated high-side current-sense amplifier. The |
| MAX16070 monitors up to twelve system voltages simultaneously, and the MAX16071 |
| monitors up to eight supply voltages. |
| |
| Each monitored channel has its own low and high critical limits. MAX16065, |
| MAX16066, MAX16070, and MAX16071 support an additional limit which is |
| configurable as either low or high secondary limit. MAX16065, MAX16066, |
| MAX16070, and MAX16071 also support supply current monitoring. |
| |
| |
| Usage Notes |
| ----------- |
| |
| This driver does not probe for devices, since there is no register which |
| can be safely used to identify the chip. You will have to instantiate |
| the devices explicitly. Please see Documentation/i2c/instantiating-devices for |
| details. |
| |
| WARNING: Do not access chip registers using the i2cdump command, and do not use |
| any of the i2ctools commands on a command register (0xa5 to 0xac). The chips |
| supported by this driver interpret any access to a command register (including |
| read commands) as request to execute the command in question. This may result in |
| power loss, board resets, and/or Flash corruption. Worst case, your board may |
| turn into a brick. |
| |
| |
| Sysfs entries |
| ------------- |
| |
| in[0-11]_input Input voltage measurements. |
| |
| in12_input Voltage on CSP (Current Sense Positive) pin. |
| Only if the chip supports current sensing and if |
| current sensing is enabled. |
| |
| in[0-11]_min Low warning limit. |
| Supported on MAX16065, MAX16066, MAX16070, and MAX16071 |
| only. |
| |
| in[0-11]_max High warning limit. |
| Supported on MAX16065, MAX16066, MAX16070, and MAX16071 |
| only. |
| |
| Either low or high warning limits are supported |
| (depending on chip configuration), but not both. |
| |
| in[0-11]_lcrit Low critical limit. |
| |
| in[0-11]_crit High critical limit. |
| |
| in[0-11]_alarm Input voltage alarm. |
| |
| curr1_input Current sense input; only if the chip supports current |
| sensing and if current sensing is enabled. |
| Displayed current assumes 0.001 Ohm current sense |
| resistor. |
| |
| curr1_alarm Overcurrent alarm; only if the chip supports current |
| sensing and if current sensing is enabled. |
