diff options
author | Matt Weber <matthew.weber@rockwellcollins.com> | 2017-01-26 21:26:15 +0100 |
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committer | Jonathan Cameron <jic23@kernel.org> | 2017-01-28 12:13:31 +0000 |
commit | df1fd2de118e3bf980e2bbada16c650b9eea529b (patch) | |
tree | ca1e2863111e1d61db4db830effe9cca254f4c44 /Documentation/devicetree/bindings/iio/potentiometer | |
parent | ba34b3a2df09ff44555f0b19c0c8f30ba748b9aa (diff) |
iio: max5481: Add support for Maxim digital potentiometers
Add implementation for Maxim Integrated 5481, 5482, 5483,
and 5484 digital potentiometer devices.
Datasheet:
http://datasheets.maximintegrated.com/en/ds/MAX5481-MAX5484.pdf
Signed-off-by: Maury Anderson <maury.anderson@rockwellcollins.com>
Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Slawomir Stepien <sst@poczta.fm>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/iio/potentiometer')
-rw-r--r-- | Documentation/devicetree/bindings/iio/potentiometer/max5481.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/max5481.txt b/Documentation/devicetree/bindings/iio/potentiometer/max5481.txt new file mode 100644 index 000000000000..6a91b106e076 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiometer/max5481.txt @@ -0,0 +1,23 @@ +* Maxim Linear-Taper Digital Potentiometer MAX5481-MAX5484 + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in + + Documentation/devicetree/bindings/spi/spi-bus.txt + +must be specified. + +Required properties: + - compatible: Must be one of the following, depending on the + model: + "maxim,max5481" + "maxim,max5482" + "maxim,max5483" + "maxim,max5484" + +Example: +max548x: max548x@0 { + compatible = "maxim,max5482"; + spi-max-frequency = <7000000>; + reg = <0>; /* chip-select */ +}; |