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Diffstat (limited to 'Documentation/hwmon/max197')
-rw-r--r-- | Documentation/hwmon/max197 | 60 |
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diff --git a/Documentation/hwmon/max197 b/Documentation/hwmon/max197 deleted file mode 100644 index 8d89b9009df8..000000000000 --- a/Documentation/hwmon/max197 +++ /dev/null @@ -1,60 +0,0 @@ -Maxim MAX197 driver -=================== - -Author: - * Vivien Didelot <vivien.didelot@savoirfairelinux.com> - -Supported chips: - * Maxim MAX197 - Prefix: 'max197' - Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX197.pdf - - * Maxim MAX199 - Prefix: 'max199' - Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX199.pdf - -Description ------------ - -The A/D converters MAX197, and MAX199 are both 8-Channel, Multi-Range, 5V, -12-Bit DAS with 8+4 Bus Interface and Fault Protection. - -The available ranges for the MAX197 are {0,-5V} to 5V, and {0,-10V} to 10V, -while they are {0,-2V} to 2V, and {0,-4V} to 4V on the MAX199. - -Platform data -------------- - -The MAX197 platform data (defined in linux/platform_data/max197.h) should be -filled with a pointer to a conversion function, defined like: - - int convert(u8 ctrl); - -ctrl is the control byte to write to start a new conversion. -On success, the function must return the 12-bit raw value read from the chip, -or a negative error code otherwise. - -Control byte format: - -Bit Name Description -7,6 PD1,PD0 Clock and Power-Down modes -5 ACQMOD Internal or External Controlled Acquisition -4 RNG Full-scale voltage magnitude at the input -3 BIP Unipolar or Bipolar conversion mode -2,1,0 A2,A1,A0 Channel - -Sysfs interface ---------------- - -* in[0-7]_input: The conversion value for the corresponding channel. - RO - -* in[0-7]_min: The lower limit (in mV) for the corresponding channel. - For the MAX197, it will be adjusted to -10000, -5000, or 0. - For the MAX199, it will be adjusted to -4000, -2000, or 0. - RW - -* in[0-7]_max: The higher limit (in mV) for the corresponding channel. - For the MAX197, it will be adjusted to 0, 5000, or 10000. - For the MAX199, it will be adjusted to 0, 2000, or 4000. - RW |