diff options
author | Lars-Peter Clausen <lars@metafoo.de> | 2013-06-11 17:56:00 +0100 |
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committer | Jonathan Cameron <jic23@kernel.org> | 2013-06-11 20:25:58 +0100 |
commit | f83478240e742efe1103110c28d48cc2b4dcee5c (patch) | |
tree | 0a44961fa6e7c54e2d08610a2137d2d04e0ba21d /Documentation/devicetree/bindings/iio | |
parent | e764df67963940b4123325710536a9471d1e24ae (diff) | |
download | linux-f83478240e742efe1103110c28d48cc2b4dcee5c.tar.bz2 |
iio:dac: Add support for the AD7303
This patch adds support for the AD7303. The AD7303 is a simple 2 channel 8 bit
DAC with an SPI interface.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/iio')
-rw-r--r-- | Documentation/devicetree/bindings/iio/dac/ad7303.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/ad7303.txt b/Documentation/devicetree/bindings/iio/dac/ad7303.txt new file mode 100644 index 000000000000..914610f0556e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ad7303.txt @@ -0,0 +1,23 @@ +Analog Devices AD7303 DAC device driver + +Required properties: + - compatible: Must be "adi,ad7303" + - reg: SPI chip select number for the device + - spi-max-frequency: Max SPI frequency to use (< 30000000) + - Vdd-supply: Phandle to the Vdd power supply + +Optional properties: + - REF-supply: Phandle to the external reference voltage supply. This should + only be set if there is an external reference voltage connected to the REF + pin. If the property is not set Vdd/2 is used as the reference voltage. + +Example: + + ad7303@4 { + compatible = "adi,ad7303"; + reg = <4>; + spi-max-frequency = <10000000>; + Vdd-supply = <&vdd_supply>; + adi,use-external-reference; + REF-supply = <&vref_supply>; + }; |