diff options
| author | Phil Reid | 2018-02-09 08:57:26 +0800 |
|---|---|---|
| committer | Jonathan Cameron | 2018-02-10 15:48:05 +0000 |
| commit | 8730e267a17a56e9aea8d8daa15da4f2fb98c8e4 (patch) | |
| tree | 08f298d053ae8f94ecc0d6dfd0527621aba267d3 | |
| parent | 0bd39455b14475e94ccedefabe202fb49460211b (diff) | |
dt-bindings: ad5272: Add bindings for Analog Devices digital potentiometers
Add binding documentation for Analog Devices AD5272 and AD5274 digital
potentiometer devices.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt b/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt new file mode 100644 index 000000000000..f9b2eef946aa --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt @@ -0,0 +1,27 @@ +* Analog Devices AD5272 digital potentiometer + +The node for this device must be a child node of a I2C controller, hence +all mandatory properties for your controller must be specified. See directory: + + Documentation/devicetree/bindings/i2c + +for more details. + +Required properties: + - compatible: Must be one of the following, depending on the model: + adi,ad5272-020 + adi,ad5272-050 + adi,ad5272-100 + adi,ad5274-020 + adi,ad5274-100 + +Optional properties: + - reset-gpios: GPIO specification for the RESET input. This is an + active low signal to the AD5272. + +Example: +ad5272: potentiometer@2f { + reg = <0x2F>; + compatible = "adi,ad5272-020"; + reset-gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>; +}; |