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yaml --- r: 267275 b: refs/heads/master c: c3ff9a6 h: refs/heads/master i: 267273: 4e17bff 267271: 2922e66 v: v3
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Guenter Roeck
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Oct 24, 2011
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refs/heads/master: 3d790287c4e6caa8790421737b1cf8f0a6531559 | ||
refs/heads/master: c3ff9a674c2313d4f28e38d384b18b561b313eb7 |
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Kernel driver ltc2978 | ||
===================== | ||
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Supported chips: | ||
* Linear Technology LTC2978 | ||
Prefix: 'ltc2978' | ||
Addresses scanned: - | ||
Datasheet: http://cds.linear.com/docs/Datasheet/2978fa.pdf | ||
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Author: Guenter Roeck <guenter.roeck@ericsson.com> | ||
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Description | ||
----------- | ||
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The LTC2978 is an octal power supply monitor, supervisor, sequencer and | ||
margin controller. | ||
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Usage Notes | ||
----------- | ||
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This driver does not probe for PMBus devices. You will have to instantiate | ||
devices explicitly. | ||
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Example: the following commands will load the driver for an LTC2978 at address | ||
0x60 on I2C bus #1: | ||
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# modprobe ltc2978 | ||
# echo ltc2978 0x60 > /sys/bus/i2c/devices/i2c-1/new_device | ||
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Sysfs attributes | ||
---------------- | ||
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in1_label "vin" | ||
in1_input Measured input voltage. | ||
in1_min Minimum input voltage. | ||
in1_max Maximum input voltage. | ||
in1_lcrit Critical minimum input voltage. | ||
in1_crit Critical maximum input voltage. | ||
in1_min_alarm Input voltage low alarm. | ||
in1_max_alarm Input voltage high alarm. | ||
in1_lcrit_alarm Input voltage critical low alarm. | ||
in1_crit_alarm Input voltage critical high alarm. | ||
in1_lowest Lowest input voltage. | ||
in1_highest Highest input voltage. | ||
in1_reset_history Reset history. Writing into this attribute will reset | ||
history for all attributes. | ||
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in[2-9]_label "vout[1-8]". | ||
in[2-9]_input Measured output voltage. | ||
in[2-9]_min Minimum output voltage. | ||
in[2-9]_max Maximum output voltage. | ||
in[2-9]_lcrit Critical minimum output voltage. | ||
in[2-9]_crit Critical maximum output voltage. | ||
in[2-9]_min_alarm Output voltage low alarm. | ||
in[2-9]_max_alarm Output voltage high alarm. | ||
in[2-9]_lcrit_alarm Output voltage critical low alarm. | ||
in[2-9]_crit_alarm Output voltage critical high alarm. | ||
in[2-9]_lowest Lowest output voltage. | ||
in[2-9]_highest Lowest output voltage. | ||
in[2-9]_reset_history Reset history. Writing into this attribute will reset | ||
history for all attributes. | ||
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temp1_input Measured temperature. | ||
temp1_min Mimimum temperature. | ||
temp1_max Maximum temperature. | ||
temp1_lcrit Critical low temperature. | ||
temp1_crit Critical high temperature. | ||
temp1_min_alarm Chip temperature low alarm. | ||
temp1_max_alarm Chip temperature high alarm. | ||
temp1_lcrit_alarm Chip temperature critical low alarm. | ||
temp1_crit_alarm Chip temperature critical high alarm. | ||
temp1_lowest Lowest measured temperature. | ||
temp1_highest Highest measured temperature. | ||
temp1_reset_history Reset history. Writing into this attribute will reset | ||
history for all attributes. |
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