From 5812f9283e621370a2d65282b7bcc942bf2c3f1c Mon Sep 17 00:00:00 2001 From: Steve Hardy Date: Tue, 22 Jan 2008 23:00:02 +0000 Subject: hwmon: Add support for Texas Instruments/Burr-Brown ADS7828 Signed-off-by: Steve Hardy Acked-by: Jean Delvare Signed-off-by: Mark M. Hoffman --- Documentation/hwmon/ads7828 | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/hwmon/ads7828 (limited to 'Documentation/hwmon') 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 + +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. -- cgit v1.2.3