diff options
Diffstat (limited to 'Documentation/hwmon/dme1737')
| -rw-r--r-- | Documentation/hwmon/dme1737 | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/Documentation/hwmon/dme1737 b/Documentation/hwmon/dme1737 index 1a0f3d64ab80..8f446070e64a 100644 --- a/Documentation/hwmon/dme1737 +++ b/Documentation/hwmon/dme1737 @@ -6,6 +6,10 @@ Supported chips: Prefix: 'dme1737' Addresses scanned: I2C 0x2c, 0x2d, 0x2e Datasheet: Provided by SMSC upon request and under NDA + * 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 Authors: Juerg Haefliger <juergh@gmail.com> @@ -27,16 +31,25 @@ Description ----------- This driver implements support for the hardware monitoring capabilities of the -SMSC DME1737 and Asus A8000 (which are the same) Super-I/O chips. This chip -features 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 6 fan speeds -fan[1-6]. Additionally, the chip implements 5 PWM outputs pwm[1-3,5-6] for -controlling fan speeds both manually and automatically. - -Fan[3-6] and pwm[3,5-6] are optional features and their availability is -dependent on the configuration of the chip. The driver will detect which -features are present during initialization and create the sysfs attributes -accordingly. +SMSC DME1737 and Asus A8000 (which are the same) 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 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. + +For the DME1737 and A8000, fan[1-2] and pwm[1-2] are always present. 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. + +The hardware monitoring features of the DME1737 and A8000 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 +or A8000 and as a platform driver if it detects a SCH311x chip. Voltage Monitoring |