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dt-bindings: iio: adc: Add AD7949 device tree bindings in documentation

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Description how to invoke ad7949 driver from device tree file.

Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@essensium.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Charles-Antoine Couret 2018-10-22 23:02:43 +02:00 committed by Jonathan Cameron
parent 7f40e06143
commit 80fc9c457e
1 changed files with 16 additions and 0 deletions
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Documentation/devicetree/bindings/iio/adc/ad7949.txt Normal file
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* Analog Devices AD7949/AD7682/AD7689
Required properties:
- compatible: Should be one of
* "adi,ad7949"
* "adi,ad7682"
* "adi,ad7689"
- reg: spi chip select number for the device
- vref-supply: The regulator supply for ADC reference voltage
Example:
adc@0 {
compatible = "adi,ad7949";
reg = <0>;
vref-supply = <&vdd_supply>;
};