[PATCH 1/2] dt-bindings: ad5272: Add bindings for Analog Devices digital potentiometers
From: Phil Reid <hidden>
Date: 2018-01-10 06:17:30
Also in:
linux-iio
Subsystem:
iio subsystem and drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Jonathan Cameron, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add binding documentation for Analog Devices AD5272 and AD5274 digital potentiometer devices. Signed-off-by: Phil Reid <preid-qgqNFa1JUf/o2iN0hyhwsIdd74u8MsAO@public.gmane.org> --- .../bindings/iio/potentiometer/ad5272.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt b/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt
new file mode 100644
index 0000000..dde4c67
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt@@ -0,0 +1,27 @@ +* Analog Devices AD5272 digital potentiometer driver + +The node for this driver 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 PCA953x. + +Example: +ad5272: ad5272@2f { + reg = <0x2F>; + compatible = "adi,ad5272-020"; + reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>; +};
--
1.8.3.1
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