1 Kernel driver ltc4215 2 ===================== 3 4 Supported chips: 5 6 * Linear Technology LTC4215 7 8 Prefix: 'ltc4215' 9 10 Addresses scanned: 0x44 11 12 Datasheet: 13 14 http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1003,C1006,C1163,P17572,D12697 15 16 Author: Ira W. Snyder <iws@ovro.caltech.edu> 17 18 19 Description 20 ----------- 21 22 The LTC4215 controller allows a board to be safely inserted and removed 23 from a live backplane. 24 25 26 Usage Notes 27 ----------- 28 29 This driver does not probe for LTC4215 devices, due to the fact that some 30 of the possible addresses are unfriendly to probing. You will have to 31 instantiate the devices explicitly. 32 33 Example: the following will load the driver for an LTC4215 at address 0x44 34 on I2C bus #0:: 35 36 $ modprobe ltc4215 37 $ echo ltc4215 0x44 > /sys/bus/i2c/devices/i2c-0/new_device 38 39 40 Sysfs entries 41 ------------- 42 43 The LTC4215 has built-in limits for overvoltage, undervoltage, and 44 undercurrent warnings. This makes it very likely that the reference 45 circuit will be used. 46 47 ======================= ========================= 48 in1_input input voltage 49 in2_input output voltage 50 51 in1_min_alarm input undervoltage alarm 52 in1_max_alarm input overvoltage alarm 53 54 curr1_input current 55 curr1_max_alarm overcurrent alarm 56 57 power1_input power usage 58 power1_alarm power bad alarm 59 ======================= =========================
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