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| 1 | Kernel Driver Lochnagar | ||
| 2 | ======================= | ||
| 3 | |||
| 4 | Supported systems: | ||
| 5 | * Cirrus Logic : Lochnagar 2 | ||
| 6 | |||
| 7 | Author: Lucas A. Tanure Alves | ||
| 8 | |||
| 9 | Description | ||
| 10 | ----------- | ||
| 11 | |||
| 12 | Lochnagar 2 features built-in Current Monitor circuitry that allows for the | ||
| 13 | measurement of both voltage and current on up to eight of the supply voltage | ||
| 14 | rails provided to the minicards. The Current Monitor does not require any | ||
| 15 | hardware modifications or external circuitry to operate. | ||
| 16 | |||
| 17 | The current and voltage measurements are obtained through the standard register | ||
| 18 | map interface to the Lochnagar board controller, and can therefore be monitored | ||
| 19 | by software. | ||
| 20 | |||
| 21 | Sysfs attributes | ||
| 22 | ---------------- | ||
| 23 | |||
| 24 | ======================= ======================================================= | ||
| 25 | temp1_input The Lochnagar board temperature (milliCelsius) | ||
| 26 | in0_input Measured voltage for DBVDD1 (milliVolts) | ||
| 27 | in0_label "DBVDD1" | ||
| 28 | curr1_input Measured current for DBVDD1 (milliAmps) | ||
| 29 | curr1_label "DBVDD1" | ||
| 30 | power1_average Measured average power for DBVDD1 (microWatts) | ||
| 31 | power1_average_interval Power averaging time input valid from 1 to 1708mS | ||
| 32 | power1_label "DBVDD1" | ||
| 33 | in1_input Measured voltage for 1V8 DSP (milliVolts) | ||
| 34 | in1_label "1V8 DSP" | ||
| 35 | curr2_input Measured current for 1V8 DSP (milliAmps) | ||
| 36 | curr2_label "1V8 DSP" | ||
| 37 | power2_average Measured average power for 1V8 DSP (microWatts) | ||
| 38 | power2_average_interval Power averaging time input valid from 1 to 1708mS | ||
| 39 | power2_label "1V8 DSP" | ||
| 40 | in2_input Measured voltage for 1V8 CDC (milliVolts) | ||
| 41 | in2_label "1V8 CDC" | ||
| 42 | curr3_input Measured current for 1V8 CDC (milliAmps) | ||
| 43 | curr3_label "1V8 CDC" | ||
| 44 | power3_average Measured average power for 1V8 CDC (microWatts) | ||
| 45 | power3_average_interval Power averaging time input valid from 1 to 1708mS | ||
| 46 | power3_label "1V8 CDC" | ||
| 47 | in3_input Measured voltage for VDDCORE DSP (milliVolts) | ||
| 48 | in3_label "VDDCORE DSP" | ||
| 49 | curr4_input Measured current for VDDCORE DSP (milliAmps) | ||
| 50 | curr4_label "VDDCORE DSP" | ||
| 51 | power4_average Measured average power for VDDCORE DSP (microWatts) | ||
| 52 | power4_average_interval Power averaging time input valid from 1 to 1708mS | ||
| 53 | power4_label "VDDCORE DSP" | ||
| 54 | in4_input Measured voltage for AVDD 1V8 (milliVolts) | ||
| 55 | in4_label "AVDD 1V8" | ||
| 56 | curr5_input Measured current for AVDD 1V8 (milliAmps) | ||
| 57 | curr5_label "AVDD 1V8" | ||
| 58 | power5_average Measured average power for AVDD 1V8 (microWatts) | ||
| 59 | power5_average_interval Power averaging time input valid from 1 to 1708mS | ||
| 60 | power5_label "AVDD 1V8" | ||
| 61 | curr6_input Measured current for SYSVDD (milliAmps) | ||
| 62 | curr6_label "SYSVDD" | ||
| 63 | power6_average Measured average power for SYSVDD (microWatts) | ||
| 64 | power6_average_interval Power averaging time input valid from 1 to 1708mS | ||
| 65 | power6_label "SYSVDD" | ||
| 66 | in6_input Measured voltage for VDDCORE CDC (milliVolts) | ||
| 67 | in6_label "VDDCORE CDC" | ||
| 68 | curr7_input Measured current for VDDCORE CDC (milliAmps) | ||
| 69 | curr7_label "VDDCORE CDC" | ||
| 70 | power7_average Measured average power for VDDCORE CDC (microWatts) | ||
| 71 | power7_average_interval Power averaging time input valid from 1 to 1708mS | ||
| 72 | power7_label "VDDCORE CDC" | ||
| 73 | in7_input Measured voltage for MICVDD (milliVolts) | ||
| 74 | in7_label "MICVDD" | ||
| 75 | curr8_input Measured current for MICVDD (milliAmps) | ||
| 76 | curr8_label "MICVDD" | ||
| 77 | power8_average Measured average power for MICVDD (microWatts) | ||
| 78 | power8_average_interval Power averaging time input valid from 1 to 1708mS | ||
| 79 | power8_label "MICVDD" | ||
| 80 | ======================= ======================================================= | ||
| 81 | |||
| 82 | Note: | ||
| 83 | It is not possible to measure voltage on the SYSVDD rail. | ||