diff options
| author | Steve Hardy <steve@linuxrealtime.co.uk> | 2008-01-22 23:00:02 +0000 |
|---|---|---|
| committer | Mark M. Hoffman <mhoffman@lightlink.com> | 2008-02-07 20:39:44 -0500 |
| commit | 5812f9283e621370a2d65282b7bcc942bf2c3f1c (patch) | |
| tree | ac5f50f1baa812b6457439a57d8c0801ccab3402 /Documentation/hwmon/ads7828 | |
| parent | 360f9452def0be1d6e29cee07a0f0640cd1d7b22 (diff) | |
| download | linux-5812f9283e621370a2d65282b7bcc942bf2c3f1c.tar.gz linux-5812f9283e621370a2d65282b7bcc942bf2c3f1c.tar.xz | |
hwmon: Add support for Texas Instruments/Burr-Brown ADS7828
Signed-off-by: Steve Hardy <steve@linuxrealtime.co.uk>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Diffstat (limited to 'Documentation/hwmon/ads7828')
| -rw-r--r-- | Documentation/hwmon/ads7828 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/hwmon/ads7828 b/Documentation/hwmon/ads7828 new file mode 100644 index 000000000000..75bc4beaf447 --- /dev/null +++ b/Documentation/hwmon/ads7828 @@ -0,0 +1,36 @@ +Kernel driver ads7828 +===================== + +Supported chips: + * Texas Instruments/Burr-Brown ADS7828 + Prefix: 'ads7828' + Addresses scanned: I2C 0x48, 0x49, 0x4a, 0x4b + Datasheet: Publicly available at the Texas Instruments website : + http://focus.ti.com/lit/ds/symlink/ads7828.pdf + +Authors: + Steve Hardy <steve@linuxrealtime.co.uk> + +Module Parameters +----------------- + +* se_input: bool (default Y) + Single ended operation - set to N for differential mode +* int_vref: bool (default Y) + Operate with the internal 2.5V reference - set to N for external reference +* vref_mv: int (default 2500) + If using an external reference, set this to the reference voltage in mV + +Description +----------- + +This driver implements support for the Texas Instruments ADS7828. + +This device is a 12-bit 8-channel A-D converter. + +It can operate in single ended mode (8 +ve inputs) or in differential mode, +where 4 differential pairs can be measured. + +The chip also has the facility to use an external voltage reference. This +may be required if your hardware supplies the ADS7828 from a 5V supply, see +the datasheet for more details. |