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dt-bindings: iio: dac: Add ti,dac7311 device tree bindings in documentation

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Description how to invoke ti-dac7311 driver from device tree file.

Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@essensium.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Charles-Antoine Couret 2018-10-28 17:24:02 +01:00 committed by Jonathan Cameron
parent 7a02ef7907
commit fdbd710b35
1 changed files with 23 additions and 0 deletions
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Documentation/devicetree/bindings/iio/dac/ti,dac7311.txt Normal file
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TI DAC7311 device tree bindings
Required properties:
- compatible: must be set to:
* "ti,dac7311"
* "ti,dac6311"
* "ti,dac5311"
- reg: spi chip select number for the device
- vref-supply: The regulator supply for ADC reference voltage
Optional properties:
- spi-max-frequency: Max SPI frequency to use
Example:
spi_master {
dac@0 {
compatible = "ti,dac7311";
reg = <0>; /* CS0 */
spi-max-frequency = <1000000>;
vref-supply = <&vdd_supply>;
};
};