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Diffstat (limited to 'Documentation/hwmon/max197')
| -rw-r--r-- | Documentation/hwmon/max197 | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/Documentation/hwmon/max197 b/Documentation/hwmon/max197 index 8d89b9009df8..02fe19bc3428 100644 --- a/Documentation/hwmon/max197 +++ b/Documentation/hwmon/max197 @@ -1,16 +1,22 @@ -Maxim MAX197 driver -=================== +Kernel driver max197 +==================== 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 @@ -26,7 +32,7 @@ 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: +filled with a pointer to a conversion function, defined like:: int convert(u8 ctrl); @@ -36,25 +42,29 @@ 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]_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]_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 + 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 + ============== ============================================================== |