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@@ -14,14 +14,14 @@ Description
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This driver implements support for the Analog Devices ADT7473 chip family.
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-The LM85 uses the 2-wire interface compatible with the SMBUS 2.0
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+The ADT7473 uses the 2-wire interface compatible with the SMBUS 2.0
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specification. Using an analog to digital converter it measures three (3)
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-temperatures and two (2) voltages. It has three (3) 16-bit counters for
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+temperatures and two (2) voltages. It has four (4) 16-bit counters for
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measuring fan speed. There are three (3) PWM outputs that can be used
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to control fan speed.
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A sophisticated control system for the PWM outputs is designed into the
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-LM85 that allows fan speed to be adjusted automatically based on any of the
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+ADT7473 that allows fan speed to be adjusted automatically based on any of the
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three temperature sensors. Each PWM output is individually adjustable and
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programmable. Once configured, the ADT7473 will adjust the PWM outputs in
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response to the measured temperatures without further host intervention.
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@@ -46,14 +46,6 @@ from the raw value to get the temperature value.
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The Analog Devices datasheet is very detailed and describes a procedure for
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determining an optimal configuration for the automatic PWM control.
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-Hardware Configurations
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------------------------
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-
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-The ADT7473 chips have an optional SMBALERT output that can be used to
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-signal the chipset in case a limit is exceeded or the temperature sensors
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-fail. Individual sensor interrupts can be masked so they won't trigger
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-SMBALERT. The SMBALERT output if configured replaces the PWM2 function.
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-
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Configuration Notes
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-------------------
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@@ -61,8 +53,8 @@ Besides standard interfaces driver adds the following:
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* PWM Control
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-* pwm#_auto_point1_pwm and pwm#_auto_point1_temp and
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-* pwm#_auto_point2_pwm and pwm#_auto_point2_temp -
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+* pwm#_auto_point1_pwm and temp#_auto_point1_temp and
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+* pwm#_auto_point2_pwm and temp#_auto_point2_temp -
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point1: Set the pwm speed at a lower temperature bound.
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point2: Set the pwm speed at a higher temperature bound.
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Darrick J. Wong