diff options
| author | Lukas Wunner <lukas@wunner.de> | 2017-10-17 12:42:00 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2017-10-21 21:28:02 +0200 |
| commit | 930cc2d27847a4235bb3dc1e3817504dcf230dcb (patch) | |
| tree | a11859a4c2c3bec426add5dd668e1fa286cb3aa5 /Documentation/devicetree/bindings/iio | |
| parent | iio: adc: sun4i-gpadc: use of_device_get_match_data (diff) | |
| download | linux-930cc2d27847a4235bb3dc1e3817504dcf230dcb.tar.xz linux-930cc2d27847a4235bb3dc1e3817504dcf230dcb.zip | |
dt-bindings: iio: dac: ti-dac082s085: Document new driver
Add device tree bindings for Texas Instruments 8/10/12-bit 2/4-channel
DAC driver.
Cc: Mathias Duckeck <m.duckeck@kunbus.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'Documentation/devicetree/bindings/iio')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt new file mode 100644 index 000000000000..9cb0e10df704 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt @@ -0,0 +1,34 @@ +Texas Instruments 8/10/12-bit 2/4-channel DAC driver + +Required properties: + - compatible: Must be one of: + "ti,dac082s085" + "ti,dac102s085" + "ti,dac122s085" + "ti,dac084s085" + "ti,dac104s085" + "ti,dac124s085" + - reg: Chip select number. + - spi-cpha, spi-cpol: SPI mode (0,1) or (1,0) must be used, so specify + either spi-cpha or spi-cpol (but not both). + - vref-supply: Phandle to the external reference voltage supply. + +For other required and optional properties of SPI slave nodes please refer to +../../spi/spi-bus.txt. + +Example: + vref_2v5_reg: regulator-vref { + compatible = "regulator-fixed"; + regulator-name = "2v5"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2500000>; + regulator-always-on; + }; + + dac@0 { + compatible = "ti,dac082s085"; + reg = <0>; + spi-max-frequency = <40000000>; + spi-cpol; + vref-supply = <&vref_2v5_reg>; + }; |