diff options
Diffstat (limited to 'Documentation/hwmon')
-rw-r--r-- | Documentation/hwmon/jc42 | 21 | ||||
-rw-r--r-- | Documentation/hwmon/k10temp | 8 |
2 files changed, 22 insertions, 7 deletions
diff --git a/Documentation/hwmon/jc42 b/Documentation/hwmon/jc42 index 0e76ef12e4c6..a22ecf48f255 100644 --- a/Documentation/hwmon/jc42 +++ b/Documentation/hwmon/jc42 | |||
@@ -51,7 +51,8 @@ Supported chips: | |||
51 | * JEDEC JC 42.4 compliant temperature sensor chips | 51 | * JEDEC JC 42.4 compliant temperature sensor chips |
52 | Prefix: 'jc42' | 52 | Prefix: 'jc42' |
53 | Addresses scanned: I2C 0x18 - 0x1f | 53 | Addresses scanned: I2C 0x18 - 0x1f |
54 | Datasheet: - | 54 | Datasheet: |
55 | http://www.jedec.org/sites/default/files/docs/4_01_04R19.pdf | ||
55 | 56 | ||
56 | Author: | 57 | Author: |
57 | Guenter Roeck <guenter.roeck@ericsson.com> | 58 | Guenter Roeck <guenter.roeck@ericsson.com> |
@@ -60,7 +61,11 @@ Author: | |||
60 | Description | 61 | Description |
61 | ----------- | 62 | ----------- |
62 | 63 | ||
63 | This driver implements support for JEDEC JC 42.4 compliant temperature sensors. | 64 | This driver implements support for JEDEC JC 42.4 compliant temperature sensors, |
65 | which are used on many DDR3 memory modules for mobile devices and servers. Some | ||
66 | systems use the sensor to prevent memory overheating by automatically throttling | ||
67 | the memory controller. | ||
68 | |||
64 | The driver auto-detects the chips listed above, but can be manually instantiated | 69 | The driver auto-detects the chips listed above, but can be manually instantiated |
65 | to support other JC 42.4 compliant chips. | 70 | to support other JC 42.4 compliant chips. |
66 | 71 | ||
@@ -81,15 +86,19 @@ limits. The chip supports only a single register to configure the hysteresis, | |||
81 | which applies to all limits. This register can be written by writing into | 86 | which applies to all limits. This register can be written by writing into |
82 | temp1_crit_hyst. Other hysteresis attributes are read-only. | 87 | temp1_crit_hyst. Other hysteresis attributes are read-only. |
83 | 88 | ||
89 | If the BIOS has configured the sensor for automatic temperature management, it | ||
90 | is likely that it has locked the registers, i.e., that the temperature limits | ||
91 | cannot be changed. | ||
92 | |||
84 | Sysfs entries | 93 | Sysfs entries |
85 | ------------- | 94 | ------------- |
86 | 95 | ||
87 | temp1_input Temperature (RO) | 96 | temp1_input Temperature (RO) |
88 | temp1_min Minimum temperature (RW) | 97 | temp1_min Minimum temperature (RO or RW) |
89 | temp1_max Maximum temperature (RW) | 98 | temp1_max Maximum temperature (RO or RW) |
90 | temp1_crit Critical high temperature (RW) | 99 | temp1_crit Critical high temperature (RO or RW) |
91 | 100 | ||
92 | temp1_crit_hyst Critical hysteresis temperature (RW) | 101 | temp1_crit_hyst Critical hysteresis temperature (RO or RW) |
93 | temp1_max_hyst Maximum hysteresis temperature (RO) | 102 | temp1_max_hyst Maximum hysteresis temperature (RO) |
94 | 103 | ||
95 | temp1_min_alarm Temperature low alarm | 104 | temp1_min_alarm Temperature low alarm |
diff --git a/Documentation/hwmon/k10temp b/Documentation/hwmon/k10temp index 6526eee525a6..d2b56a4fd1f5 100644 --- a/Documentation/hwmon/k10temp +++ b/Documentation/hwmon/k10temp | |||
@@ -9,6 +9,8 @@ Supported chips: | |||
9 | Socket S1G3: Athlon II, Sempron, Turion II | 9 | Socket S1G3: Athlon II, Sempron, Turion II |
10 | * AMD Family 11h processors: | 10 | * AMD Family 11h processors: |
11 | Socket S1G2: Athlon (X2), Sempron (X2), Turion X2 (Ultra) | 11 | Socket S1G2: Athlon (X2), Sempron (X2), Turion X2 (Ultra) |
12 | * AMD Family 12h processors: "Llano" | ||
13 | * AMD Family 14h processors: "Brazos" (C/E/G-Series) | ||
12 | 14 | ||
13 | Prefix: 'k10temp' | 15 | Prefix: 'k10temp' |
14 | Addresses scanned: PCI space | 16 | Addresses scanned: PCI space |
@@ -17,10 +19,14 @@ Supported chips: | |||
17 | http://support.amd.com/us/Processor_TechDocs/31116.pdf | 19 | http://support.amd.com/us/Processor_TechDocs/31116.pdf |
18 | BIOS and Kernel Developer's Guide (BKDG) for AMD Family 11h Processors: | 20 | BIOS and Kernel Developer's Guide (BKDG) for AMD Family 11h Processors: |
19 | http://support.amd.com/us/Processor_TechDocs/41256.pdf | 21 | http://support.amd.com/us/Processor_TechDocs/41256.pdf |
22 | BIOS and Kernel Developer's Guide (BKDG) for AMD Family 14h Models 00h-0Fh Processors: | ||
23 | http://support.amd.com/us/Processor_TechDocs/43170.pdf | ||
20 | Revision Guide for AMD Family 10h Processors: | 24 | Revision Guide for AMD Family 10h Processors: |
21 | http://support.amd.com/us/Processor_TechDocs/41322.pdf | 25 | http://support.amd.com/us/Processor_TechDocs/41322.pdf |
22 | Revision Guide for AMD Family 11h Processors: | 26 | Revision Guide for AMD Family 11h Processors: |
23 | http://support.amd.com/us/Processor_TechDocs/41788.pdf | 27 | http://support.amd.com/us/Processor_TechDocs/41788.pdf |
28 | Revision Guide for AMD Family 14h Models 00h-0Fh Processors: | ||
29 | http://support.amd.com/us/Processor_TechDocs/47534.pdf | ||
24 | AMD Family 11h Processor Power and Thermal Data Sheet for Notebooks: | 30 | AMD Family 11h Processor Power and Thermal Data Sheet for Notebooks: |
25 | http://support.amd.com/us/Processor_TechDocs/43373.pdf | 31 | http://support.amd.com/us/Processor_TechDocs/43373.pdf |
26 | AMD Family 10h Server and Workstation Processor Power and Thermal Data Sheet: | 32 | AMD Family 10h Server and Workstation Processor Power and Thermal Data Sheet: |
@@ -34,7 +40,7 @@ Description | |||
34 | ----------- | 40 | ----------- |
35 | 41 | ||
36 | This driver permits reading of the internal temperature sensor of AMD | 42 | This driver permits reading of the internal temperature sensor of AMD |
37 | Family 10h and 11h processors. | 43 | Family 10h/11h/12h/14h processors. |
38 | 44 | ||
39 | All these processors have a sensor, but on those for Socket F or AM2+, | 45 | All these processors have a sensor, but on those for Socket F or AM2+, |
40 | the sensor may return inconsistent values (erratum 319). The driver | 46 | the sensor may return inconsistent values (erratum 319). The driver |