diff options
Diffstat (limited to 'Documentation/hwmon/dme1737')
| -rw-r--r-- | Documentation/hwmon/dme1737 | 63 |
1 files changed, 48 insertions, 15 deletions
diff --git a/Documentation/hwmon/dme1737 b/Documentation/hwmon/dme1737 index 001d2e70bc1..4d2935145a1 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> @@ -36,9 +40,9 @@ 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 -temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and +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), 8 voltages in[0-7] (7 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 automatically. @@ -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 +97,16 @@ 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 + in7: Vtrip (+1.5V) 0V - 1.99V + Each voltage input has associated min and max limits which trigger an alarm when crossed. @@ -204,10 +218,10 @@ cpu0_vid RO CPU core reference voltage in vrm RW Voltage regulator module version number. -in[0-6]_input RO Measured voltage in millivolts. -in[0-6]_min RW Low limit for voltage input. -in[0-6]_max RW High limit for voltage input. -in[0-6]_alarm RO Voltage input alarm. Returns 1 if +in[0-7]_input RO Measured voltage in millivolts. +in[0-7]_min RW Low limit for voltage input. +in[0-7]_max RW High limit for voltage input. +in[0-7]_alarm RO Voltage input alarm. Returns 1 if voltage input is or went outside the associated min-max range, 0 otherwise. @@ -293,3 +307,22 @@ 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 +in7 yes |