diff options
Diffstat (limited to 'Documentation/hwmon/dme1737')
-rw-r--r-- | Documentation/hwmon/dme1737 | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/Documentation/hwmon/dme1737 b/Documentation/hwmon/dme1737 index 8f446070e64a..001d2e70bc11 100644 --- a/Documentation/hwmon/dme1737 +++ b/Documentation/hwmon/dme1737 | |||
@@ -10,6 +10,10 @@ Supported chips: | |||
10 | Prefix: 'sch311x' | 10 | Prefix: 'sch311x' |
11 | Addresses scanned: none, address read from Super-I/O config space | 11 | Addresses scanned: none, address read from Super-I/O config space |
12 | Datasheet: http://www.nuhorizons.com/FeaturedProducts/Volume1/SMSC/311x.pdf | 12 | Datasheet: http://www.nuhorizons.com/FeaturedProducts/Volume1/SMSC/311x.pdf |
13 | * SMSC SCH5027 | ||
14 | Prefix: 'sch5027' | ||
15 | Addresses scanned: I2C 0x2c, 0x2d, 0x2e | ||
16 | Datasheet: Provided by SMSC upon request and under NDA | ||
13 | 17 | ||
14 | Authors: | 18 | Authors: |
15 | Juerg Haefliger <juergh@gmail.com> | 19 | Juerg Haefliger <juergh@gmail.com> |
@@ -22,34 +26,36 @@ Module Parameters | |||
22 | and PWM output control functions. Using this parameter | 26 | and PWM output control functions. Using this parameter |
23 | shouldn't be required since the BIOS usually takes care | 27 | shouldn't be required since the BIOS usually takes care |
24 | of this. | 28 | of this. |
25 | 29 | * probe_all_addr: bool Include non-standard LPC addresses 0x162e and 0x164e | |
26 | Note that there is no need to use this parameter if the driver loads without | 30 | when probing for ISA devices. This is required for the |
27 | complaining. The driver will say so if it is necessary. | 31 | following boards: |
32 | - VIA EPIA SN18000 | ||
28 | 33 | ||
29 | 34 | ||
30 | Description | 35 | Description |
31 | ----------- | 36 | ----------- |
32 | 37 | ||
33 | This driver implements support for the hardware monitoring capabilities of the | 38 | This driver implements support for the hardware monitoring capabilities of the |
34 | SMSC DME1737 and Asus A8000 (which are the same) and SMSC SCH311x Super-I/O | 39 | SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, and SMSC |
35 | chips. These chips feature monitoring of 3 temp sensors temp[1-3] (2 remote | 40 | SCH311x Super-I/O chips. These chips feature monitoring of 3 temp sensors |
36 | diodes and 1 internal), 7 voltages in[0-6] (6 external and 1 internal) and up | 41 | temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and |
37 | to 6 fan speeds fan[1-6]. Additionally, the chips implement up to 5 PWM | 42 | 1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement |
38 | outputs pwm[1-3,5-6] for controlling fan speeds both manually and | 43 | up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and |
39 | automatically. | 44 | automatically. |
40 | 45 | ||
41 | For the DME1737 and A8000, fan[1-2] and pwm[1-2] are always present. Fan[3-6] | 46 | For the DME1737, A8000 and SCH5027, fan[1-2] and pwm[1-2] are always present. |
42 | and pwm[3,5-6] are optional features and their availability depends on the | 47 | Fan[3-6] and pwm[3,5-6] are optional features and their availability depends on |
43 | configuration of the chip. The driver will detect which features are present | 48 | the configuration of the chip. The driver will detect which features are |
44 | during initialization and create the sysfs attributes accordingly. | 49 | present during initialization and create the sysfs attributes accordingly. |
45 | 50 | ||
46 | For the SCH311x, fan[1-3] and pwm[1-3] are always present and fan[4-6] and | 51 | For the SCH311x, fan[1-3] and pwm[1-3] are always present and fan[4-6] and |
47 | pwm[5-6] don't exist. | 52 | pwm[5-6] don't exist. |
48 | 53 | ||
49 | The hardware monitoring features of the DME1737 and A8000 are only accessible | 54 | The hardware monitoring features of the DME1737, A8000, and SCH5027 are only |
50 | via SMBus, while the SCH311x only provides access via the ISA bus. The driver | 55 | accessible via SMBus, while the SCH311x only provides access via the ISA bus. |
51 | will therefore register itself as an I2C client driver if it detects a DME1737 | 56 | The driver will therefore register itself as an I2C client driver if it detects |
52 | or A8000 and as a platform driver if it detects a SCH311x chip. | 57 | a DME1737, A8000, or SCH5027 and as a platform driver if it detects a SCH311x |
58 | chip. | ||
53 | 59 | ||
54 | 60 | ||
55 | Voltage Monitoring | 61 | Voltage Monitoring |
@@ -60,6 +66,7 @@ scaling resistors. The values returned by the driver therefore reflect true | |||
60 | millivolts and don't need scaling. The voltage inputs are mapped as follows | 66 | millivolts and don't need scaling. The voltage inputs are mapped as follows |
61 | (the last column indicates the input ranges): | 67 | (the last column indicates the input ranges): |
62 | 68 | ||
69 | DME1737, A8000: | ||
63 | in0: +5VTR (+5V standby) 0V - 6.64V | 70 | in0: +5VTR (+5V standby) 0V - 6.64V |
64 | in1: Vccp (processor core) 0V - 3V | 71 | in1: Vccp (processor core) 0V - 3V |
65 | in2: VCC (internal +3.3V) 0V - 4.38V | 72 | in2: VCC (internal +3.3V) 0V - 4.38V |
@@ -68,6 +75,24 @@ millivolts and don't need scaling. The voltage inputs are mapped as follows | |||
68 | in5: VTR (+3.3V standby) 0V - 4.38V | 75 | in5: VTR (+3.3V standby) 0V - 4.38V |
69 | in6: Vbat (+3.0V) 0V - 4.38V | 76 | in6: Vbat (+3.0V) 0V - 4.38V |
70 | 77 | ||
78 | SCH311x: | ||
79 | in0: +2.5V 0V - 6.64V | ||
80 | in1: Vccp (processor core) 0V - 2V | ||
81 | in2: VCC (internal +3.3V) 0V - 4.38V | ||
82 | in3: +5V 0V - 6.64V | ||
83 | in4: +12V 0V - 16V | ||
84 | in5: VTR (+3.3V standby) 0V - 4.38V | ||
85 | in6: Vbat (+3.0V) 0V - 4.38V | ||
86 | |||
87 | SCH5027: | ||
88 | in0: +5VTR (+5V standby) 0V - 6.64V | ||
89 | in1: Vccp (processor core) 0V - 3V | ||
90 | in2: VCC (internal +3.3V) 0V - 4.38V | ||
91 | in3: V2_IN 0V - 1.5V | ||
92 | in4: V1_IN 0V - 1.5V | ||
93 | in5: VTR (+3.3V standby) 0V - 4.38V | ||
94 | in6: Vbat (+3.0V) 0V - 4.38V | ||
95 | |||
71 | Each voltage input has associated min and max limits which trigger an alarm | 96 | Each voltage input has associated min and max limits which trigger an alarm |
72 | when crossed. | 97 | when crossed. |
73 | 98 | ||