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-rw-r--r--Documentation/hwmon/jc4221
-rw-r--r--Documentation/hwmon/k10temp8
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
56Author: 57Author:
57 Guenter Roeck <guenter.roeck@ericsson.com> 58 Guenter Roeck <guenter.roeck@ericsson.com>
@@ -60,7 +61,11 @@ Author:
60Description 61Description
61----------- 62-----------
62 63
63This driver implements support for JEDEC JC 42.4 compliant temperature sensors. 64This driver implements support for JEDEC JC 42.4 compliant temperature sensors,
65which are used on many DDR3 memory modules for mobile devices and servers. Some
66systems use the sensor to prevent memory overheating by automatically throttling
67the memory controller.
68
64The driver auto-detects the chips listed above, but can be manually instantiated 69The driver auto-detects the chips listed above, but can be manually instantiated
65to support other JC 42.4 compliant chips. 70to 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,
81which applies to all limits. This register can be written by writing into 86which applies to all limits. This register can be written by writing into
82temp1_crit_hyst. Other hysteresis attributes are read-only. 87temp1_crit_hyst. Other hysteresis attributes are read-only.
83 88
89If the BIOS has configured the sensor for automatic temperature management, it
90is likely that it has locked the registers, i.e., that the temperature limits
91cannot be changed.
92
84Sysfs entries 93Sysfs entries
85------------- 94-------------
86 95
87temp1_input Temperature (RO) 96temp1_input Temperature (RO)
88temp1_min Minimum temperature (RW) 97temp1_min Minimum temperature (RO or RW)
89temp1_max Maximum temperature (RW) 98temp1_max Maximum temperature (RO or RW)
90temp1_crit Critical high temperature (RW) 99temp1_crit Critical high temperature (RO or RW)
91 100
92temp1_crit_hyst Critical hysteresis temperature (RW) 101temp1_crit_hyst Critical hysteresis temperature (RO or RW)
93temp1_max_hyst Maximum hysteresis temperature (RO) 102temp1_max_hyst Maximum hysteresis temperature (RO)
94 103
95temp1_min_alarm Temperature low alarm 104temp1_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
36This driver permits reading of the internal temperature sensor of AMD 42This driver permits reading of the internal temperature sensor of AMD
37Family 10h and 11h processors. 43Family 10h/11h/12h/14h processors.
38 44
39All these processors have a sensor, but on those for Socket F or AM2+, 45All these processors have a sensor, but on those for Socket F or AM2+,
40the sensor may return inconsistent values (erratum 319). The driver 46the sensor may return inconsistent values (erratum 319). The driver