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| author |   Josh Lehan <krellan@google.com> | 2020-05-13 11:42:48 -0700 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2020-05-22 06:28:38 -0700 |
| commit | 229d495d8189ae785dacee72e5633a58edc25ddf (patch) | |
| tree | 9f7510037ff00f4fc61b28b0316305eb7f0b8aee /Documentation/hwmon/lm90.rst | |
| parent | hwmon : (nct6775) Use kobj_to_dev() API (diff) | |
| download | linux-dev-229d495d8189ae785dacee72e5633a58edc25ddf.tar.xz linux-dev-229d495d8189ae785dacee72e5633a58edc25ddf.zip | |
hwmon: (lm90) Add max6654 support to lm90 driver
Add support for the Maxim MAX6654 to the lm90 driver.
The MAX6654 is a temperature sensor, similar to the others,
but with some differences regarding the configuration
register, and the sampling rate at which extended resolution
becomes possible.
Signed-off-by: Josh Lehan <krellan@google.com>
Link: https://lore.kernel.org/r/20200513184248.145765-1-krellan@google.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon/lm90.rst')
| -rw-r--r-- | Documentation/hwmon/lm90.rst | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/Documentation/hwmon/lm90.rst b/Documentation/hwmon/lm90.rst index 953315987c06..78dfc01b47a2 100644 --- a/Documentation/hwmon/lm90.rst +++ b/Documentation/hwmon/lm90.rst @@ -123,6 +123,18 @@ Supported chips: http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3497 + * Maxim MAX6654 + + Prefix: 'max6654' + + Addresses scanned: I2C 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, + + 0x4c, 0x4d and 0x4e + + Datasheet: Publicly available at the Maxim website + + https://www.maximintegrated.com/en/products/sensors/MAX6654.html + * Maxim MAX6657 Prefix: 'max6657' @@ -301,6 +313,13 @@ ADT7461, ADT7461A, NCT1008: * Extended temperature range (breaks compatibility) * Lower resolution for remote temperature +MAX6654: + * Better local resolution + * Selectable address + * Remote sensor type selection + * Extended temperature range + * Extended resolution only available when conversion rate <= 1 Hz + MAX6657 and MAX6658: * Better local resolution * Remote sensor type selection @@ -336,8 +355,8 @@ SA56004X: All temperature values are given in degrees Celsius. Resolution is 1.0 degree for the local temperature, 0.125 degree for the remote -temperature, except for the MAX6657, MAX6658 and MAX6659 which have a -resolution of 0.125 degree for both temperatures. +temperature, except for the MAX6654, MAX6657, MAX6658 and MAX6659 which have +a resolution of 0.125 degree for both temperatures. Each sensor has its own high and low limits, plus a critical limit. Additionally, there is a relative hysteresis value common to both critical |