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author | Ingo Molnar <mingo@elte.hu> | 2009-04-08 19:25:42 +0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-08 19:26:00 +0400 |
commit | 5af8c4e0fac9838428bd718040b664043a05f37c (patch) | |
tree | 75a01d98ed244db45fe3c734c4a81c1a3d92ac37 /Documentation/hwmon/ltc4215 | |
parent | 46e0bb9c12f4bab539736f1714cbf16600f681ec (diff) | |
parent | 577c9c456f0e1371cbade38eaf91ae8e8a308555 (diff) | |
download | linux-5af8c4e0fac9838428bd718040b664043a05f37c.tar.xz |
Merge commit 'v2.6.30-rc1' into sched/urgent
Merge reason: update to latest upstream to queue up fix
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/hwmon/ltc4215')
-rw-r--r-- | Documentation/hwmon/ltc4215 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/hwmon/ltc4215 b/Documentation/hwmon/ltc4215 new file mode 100644 index 000000000000..2e6a21eb656c --- /dev/null +++ b/Documentation/hwmon/ltc4215 @@ -0,0 +1,50 @@ +Kernel driver ltc4215 +===================== + +Supported chips: + * Linear Technology LTC4215 + Prefix: 'ltc4215' + Addresses scanned: 0x44 + Datasheet: + http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1003,C1006,C1163,P17572,D12697 + +Author: Ira W. Snyder <iws@ovro.caltech.edu> + + +Description +----------- + +The LTC4215 controller allows a board to be safely inserted and removed +from a live backplane. + + +Usage Notes +----------- + +This driver does not probe for LTC4215 devices, due to the fact that some +of the possible addresses are unfriendly to probing. You will need to use +the "force" parameter to tell the driver where to find the device. + +Example: the following will load the driver for an LTC4215 at address 0x44 +on I2C bus #0: +$ modprobe ltc4215 force=0,0x44 + + +Sysfs entries +------------- + +The LTC4215 has built-in limits for overvoltage, undervoltage, and +undercurrent warnings. This makes it very likely that the reference +circuit will be used. + +in1_input input voltage +in2_input output voltage + +in1_min_alarm input undervoltage alarm +in1_max_alarm input overvoltage alarm + +curr1_input current +curr1_max_alarm overcurrent alarm + +power1_input power usage +power1_alarm power bad alarm |