diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/hwmon/dme1737 | 51 | ||||
| -rw-r--r-- | Documentation/hwmon/lm63 | 7 | ||||
| -rw-r--r-- | Documentation/hwmon/ltc4245 | 4 | ||||
| -rw-r--r-- | Documentation/hwmon/sysfs-interface | 13 | ||||
| -rw-r--r-- | Documentation/hwmon/tmp102 | 26 |
5 files changed, 85 insertions, 16 deletions
diff --git a/Documentation/hwmon/dme1737 b/Documentation/hwmon/dme1737 index 001d2e70bc1..fc5df7654d6 100644 --- a/Documentation/hwmon/dme1737 +++ b/Documentation/hwmon/dme1737 @@ -9,11 +9,15 @@ Supported chips: * SMSC SCH3112, SCH3114, SCH3116 Prefix: 'sch311x' Addresses scanned: none, address read from Super-I/O config space - Datasheet: http://www.nuhorizons.com/FeaturedProducts/Volume1/SMSC/311x.pdf + Datasheet: Available on the Internet * SMSC SCH5027 Prefix: 'sch5027' Addresses scanned: I2C 0x2c, 0x2d, 0x2e Datasheet: Provided by SMSC upon request and under NDA + * SMSC SCH5127 + Prefix: 'sch5127' + Addresses scanned: none, address read from Super-I/O config space + Datasheet: Provided by SMSC upon request and under NDA Authors: Juerg Haefliger <juergh@gmail.com> @@ -36,8 +40,8 @@ Description ----------- This driver implements support for the hardware monitoring capabilities of the -SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, and SMSC -SCH311x Super-I/O chips. These chips feature monitoring of 3 temp sensors +SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, SCH311x, +and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and 1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and @@ -48,14 +52,14 @@ Fan[3-6] and pwm[3,5-6] are optional features and their availability depends on the configuration of the chip. The driver will detect which features are present during initialization and create the sysfs attributes accordingly. -For the SCH311x, fan[1-3] and pwm[1-3] are always present and fan[4-6] and -pwm[5-6] don't exist. +For the SCH311x and SCH5127, fan[1-3] and pwm[1-3] are always present and +fan[4-6] and pwm[5-6] don't exist. The hardware monitoring features of the DME1737, A8000, and SCH5027 are only -accessible via SMBus, while the SCH311x only provides access via the ISA bus. -The driver will therefore register itself as an I2C client driver if it detects -a DME1737, A8000, or SCH5027 and as a platform driver if it detects a SCH311x -chip. +accessible via SMBus, while the SCH311x and SCH5127 only provide access via +the ISA bus. The driver will therefore register itself as an I2C client driver +if it detects a DME1737, A8000, or SCH5027 and as a platform driver if it +detects a SCH311x or SCH5127 chip. Voltage Monitoring @@ -76,7 +80,7 @@ DME1737, A8000: in6: Vbat (+3.0V) 0V - 4.38V SCH311x: - in0: +2.5V 0V - 6.64V + in0: +2.5V 0V - 3.32V in1: Vccp (processor core) 0V - 2V in2: VCC (internal +3.3V) 0V - 4.38V in3: +5V 0V - 6.64V @@ -93,6 +97,15 @@ SCH5027: in5: VTR (+3.3V standby) 0V - 4.38V in6: Vbat (+3.0V) 0V - 4.38V +SCH5127: + in0: +2.5 0V - 3.32V + in1: Vccp (processor core) 0V - 3V + in2: VCC (internal +3.3V) 0V - 4.38V + in3: V2_IN 0V - 1.5V + in4: V1_IN 0V - 1.5V + in5: VTR (+3.3V standby) 0V - 4.38V + in6: Vbat (+3.0V) 0V - 4.38V + Each voltage input has associated min and max limits which trigger an alarm when crossed. @@ -293,3 +306,21 @@ pwm[1-3]_auto_point1_pwm RW Auto PWM pwm point. Auto_point1 is the pwm[1-3]_auto_point2_pwm RO Auto PWM pwm point. Auto_point2 is the full-speed duty-cycle which is hard- wired to 255 (100% duty-cycle). + +Chip Differences +---------------- + +Feature dme1737 sch311x sch5027 sch5127 +------------------------------------------------------- +temp[1-3]_offset yes yes +vid yes +zone3 yes yes yes +zone[1-3]_hyst yes yes +pwm min/off yes yes +fan3 opt yes opt yes +pwm3 opt yes opt yes +fan4 opt opt +fan5 opt opt +pwm5 opt opt +fan6 opt opt +pwm6 opt opt diff --git a/Documentation/hwmon/lm63 b/Documentation/hwmon/lm63 index 31660bf9797..b9843eab1af 100644 --- a/Documentation/hwmon/lm63 +++ b/Documentation/hwmon/lm63 @@ -7,6 +7,11 @@ Supported chips: Addresses scanned: I2C 0x4c Datasheet: Publicly available at the National Semiconductor website http://www.national.com/pf/LM/LM63.html + * National Semiconductor LM64 + Prefix: 'lm64' + Addresses scanned: I2C 0x18 and 0x4e + Datasheet: Publicly available at the National Semiconductor website + http://www.national.com/pf/LM/LM64.html Author: Jean Delvare <khali@linux-fr.org> @@ -55,3 +60,5 @@ The lm63 driver will not update its values more frequently than every second; reading them more often will do no harm, but will return 'old' values. +The LM64 is effectively an LM63 with GPIO lines. The driver does not +support these GPIO lines at present. diff --git a/Documentation/hwmon/ltc4245 b/Documentation/hwmon/ltc4245 index 02838a47d86..86b5880d850 100644 --- a/Documentation/hwmon/ltc4245 +++ b/Documentation/hwmon/ltc4245 @@ -72,9 +72,7 @@ in6_min_alarm 5v output undervoltage alarm in7_min_alarm 3v output undervoltage alarm in8_min_alarm Vee (-12v) output undervoltage alarm -in9_input GPIO #1 voltage data -in10_input GPIO #2 voltage data -in11_input GPIO #3 voltage data +in9_input GPIO voltage data power1_input 12v power usage (mW) power2_input 5v power usage (mW) diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface index 3de6b0bcb14..d4e2917c6f1 100644 --- a/Documentation/hwmon/sysfs-interface +++ b/Documentation/hwmon/sysfs-interface @@ -80,9 +80,9 @@ All entries (except name) are optional, and should only be created in a given driver if the chip has the feature. -******** -* Name * -******** +********************* +* Global attributes * +********************* name The chip name. This should be a short, lowercase string, not containing @@ -91,6 +91,13 @@ name The chip name. I2C devices get this attribute created automatically. RO +update_rate The rate at which the chip will update readings. + Unit: millisecond + RW + Some devices have a variable update rate. This attribute + can be used to change the update rate to the desired + frequency. + ************ * Voltages * diff --git a/Documentation/hwmon/tmp102 b/Documentation/hwmon/tmp102 new file mode 100644 index 00000000000..8454a776312 --- /dev/null +++ b/Documentation/hwmon/tmp102 @@ -0,0 +1,26 @@ +Kernel driver tmp102 +==================== + +Supported chips: + * Texas Instruments TMP102 + Prefix: 'tmp102' + Addresses scanned: none + Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp102.html + +Author: + Steven King <sfking@fdwdc.com> + +Description +----------- + +The Texas Instruments TMP102 implements one temperature sensor. Limits can be +set through the Overtemperature Shutdown register and Hysteresis register. The +sensor is accurate to 0.5 degree over the range of -25 to +85 C, and to 1.0 +degree from -40 to +125 C. Resolution of the sensor is 0.0625 degree. The +operating temperature has a minimum of -55 C and a maximum of +150 C. + +The TMP102 has a programmable update rate that can select between 8, 4, 1, and +0.5 Hz. (Currently the driver only supports the default of 4 Hz). + +The driver provides the common sysfs-interface for temperatures (see +Documentation/hwmon/sysfs-interface under Temperatures). |