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authorMichal Marek <mmarek@suse.cz>2010-10-27 22:15:57 (GMT)
committerMichal Marek <mmarek@suse.cz>2010-10-27 22:15:57 (GMT)
commitb74b953b998bcc2db91b694446f3a2619ec32de6 (patch)
tree6ce24caabd730f6ae9287ed0676ec32e6ff31e9d /Documentation/hwmon/adt7411
parentabb438526201c6a79949ad45375c051b6681c253 (diff)
parentf6f94e2ab1b33f0082ac22d71f66385a60d8157f (diff)
downloadlinux-fsl-qoriq-b74b953b998bcc2db91b694446f3a2619ec32de6.tar.xz
Merge commit 'v2.6.36' into kbuild/misc
Update to be able to fix a recent change to scripts/basic/docproc.c (commit eda603f).
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+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.