diff options
| author | Robert Coulson <rob.coulson@gmail.com> | 2013-05-08 22:45:53 -0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2013-06-27 10:28:59 -0700 |
| commit | cd6c8a4297ad036a155966db49982d6807e23ef8 (patch) | |
| tree | dfdd6d11da901cd8c5d915e5f321e82aa150bc99 /Documentation/hwmon/ds1621 | |
| parent | cd275a5635511922f8b11f8a2a42b6d8b1e88237 (diff) | |
| download | linux-cd6c8a4297ad036a155966db49982d6807e23ef8.tar.bz2 | |
hwmon: (ds1621) Add ds1721 chip support
Update the ds1621 documentation, driver, and Kconfig with
ds1721 chip support.
Signed-off-by: Robert Coulson <rob.coulson@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon/ds1621')
| -rw-r--r-- | Documentation/hwmon/ds1621 | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/Documentation/hwmon/ds1621 b/Documentation/hwmon/ds1621 index 5e97f333c4df..d66f76f9d85d 100644 --- a/Documentation/hwmon/ds1621 +++ b/Documentation/hwmon/ds1621 @@ -2,16 +2,22 @@ Kernel driver ds1621 ==================== Supported chips: - * Dallas Semiconductor DS1621 + * Dallas Semiconductor / Maxim Integrated DS1621 Prefix: 'ds1621' Addresses scanned: I2C 0x48 - 0x4f - Datasheet: Publicly available at the Dallas Semiconductor website - http://www.dalsemi.com/ + Datasheet: Publicly available from www.maximintegrated.com + * Dallas Semiconductor DS1625 - Prefix: 'ds1621' + Prefix: + 'ds1621' - if binding via _detect function + 'ds1625' - explicit instantiation + Addresses scanned: I2C 0x48 - 0x4f + Datasheet: Publicly available from www.datasheetarchive.com + + * Maxim Integrated DS1721 + Prefix: 'ds1721' Addresses scanned: I2C 0x48 - 0x4f - Datasheet: Publicly available at the Dallas Semiconductor website - http://www.dalsemi.com/ + Datasheet: Publicly available from www.maximintegrated.com Authors: Christian W. Zuckschwerdt <zany@triq.net> @@ -61,3 +67,11 @@ with neither of the alarms set. Temperature conversion of the DS1621 takes up to 1000ms; internal access to non-volatile registers may last for 10ms or below. + +The DS1625 is pin compatible and functionally equivalent with the DS1621, +but the DS1621 is meant to replace it. + +The DS1721 is pin compatible with the DS1621, has an accuracy of +/- 1.0 +degree Celsius over a -10 to +85 degree range, a minimum/maximum alarm +default setting of 75 and 80 degrees respectively, and a maximum conversion +time of 750ms. |