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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-07 04:56:51 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-07 04:56:51 +0200 |
commit | 7aefd944f038c7469571adb37769cb6f3924ecfa (patch) | |
tree | f0a8dc23633b6bbbc4f0bff932f332e847fb6c1b /Documentation/hwmon/adt7411.rst | |
parent | Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kerne... (diff) | |
parent | hwmon: (lm75) Add support for TMP75B (diff) | |
download | linux-7aefd944f038c7469571adb37769cb6f3924ecfa.tar.xz linux-7aefd944f038c7469571adb37769cb6f3924ecfa.zip |
Merge tag 'hwmon-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- Add driver for Intersil ISL68137 PWM Controller
- Add driver for Lochnagar 2
- Add driver for Infineon IR38064 Voltage Regulator
- Add support for TMP75B to lm75 driver
- Convert documentation to ReST format
- Use request_muxed_region for Super-IO accesses in several drivers
- Add 'samples' attribute to ABI, and start using it
- Add support for custom sysfs attributes to pmbus drivers (used in
ISL68137 driver)
- Introduce HWMON_CHANNEL_INFO macro
- Automated changes:
- Use permission specific [SENSOR_][DEVICE_]ATTR variants
- Fix build warnings due to unused of_device_id structures
- Use HWMON_CHANNEL_INFO macro
- Various minor improvements and fixes
* tag 'hwmon-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (125 commits)
hwmon: (lm75) Add support for TMP75B
dt-bindings: hwmon: Add tmp75b to lm75.txt
hwmon: (s3c) Use dev_get_drvdata()
hwmon: (max6650) Drop call to thermal_cdev_update
docs: hwmon: remove the extension from .rst files
docs: hwmon: convert three docs to ReST format
hwmon: (max6650) add thermal cooling device capability
hwmon: (ina3221) Add voltage conversion time settings
hwmon: (ina3221) Do not read-back to cache reg_config
docs: hwmon: Add an index file and rename docs to *.rst
docs: hwmon: convert remaining files to ReST format
docs: hwmon: misc files: convert to ReST format
docs: hwmon: pmbus files: convert to ReST format
docs: hwmon: k8temp, w83793: convert to ReST format
docs: hwmon: da9052, da9055: convert to ReST format
docs: hwmon: wm831x, wm8350: convert to ReST format
docs: hwmon: dme1737, vt1211: convert to ReST format
docs: hwmon: ads1015: convert to ReST format
docs: hwmon: asc7621: convert to ReST format
docs: hwmon: ibmpowernv: convert to ReST format
...
Diffstat (limited to 'Documentation/hwmon/adt7411.rst')
-rw-r--r-- | Documentation/hwmon/adt7411.rst | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/hwmon/adt7411.rst b/Documentation/hwmon/adt7411.rst new file mode 100644 index 000000000000..57ad16fb216a --- /dev/null +++ b/Documentation/hwmon/adt7411.rst @@ -0,0 +1,50 @@ +Kernel driver adt7411 +===================== + +Supported chips: + + * Analog Devices ADT7411 + + Prefix: 'adt7411' + + Addresses scanned: 0x48, 0x4a, 0x4b + + Datasheet: Publicly available at the Analog Devices website + +Author: Wolfram Sang (based on adt7470 by Darrick J. Wong) + +Description +----------- + +This driver implements support for the Analog Devices ADT7411 chip. There may +be other chips that implement this interface. + +The ADT7411 can use an I2C/SMBus compatible 2-wire interface or an +SPI-compatible 4-wire interface. It provides a 10-bit analog to digital +converter which measures 1 temperature, vdd and 8 input voltages. It has an +internal temperature sensor, but an external one can also be connected (one +loses 2 inputs then). There are high- and low-limit registers for all inputs. + +Check the datasheet for details. + +sysfs-Interface +--------------- + +================ ================= +in0_input vdd voltage input +in[1-8]_input analog 1-8 input +temp1_input temperature input +================ ================= + +Besides standard interfaces, this driver adds (0 = off, 1 = on): + + ============== ======================================================= + adc_ref_vdd Use vdd as reference instead of 2.25 V + fast_sampling Sample at 22.5 kHz instead of 1.4 kHz, but drop filters + no_average Turn off averaging over 16 samples + ============== ======================================================= + +Notes +----- + +SPI, external temperature sensor and limit registers are not supported yet. |