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Diffstat (limited to 'Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml new file mode 100644 index 000000000000..2bd89e0aa46b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/dac/adi,ad5791.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD5791 and similar DACs + +maintainers: + - Michael Hennerich <michael.hennerich@analog.com> + - Jonathan Cameron <jic23@kernel.org> + +properties: + + compatible: + enum: + - adi,ad5760 + - adi,ad5780 + - adi,ad5781 + - adi,ad5790 + - adi,ad5791 + + reg: + maxItems: 1 + + vdd-supply: true + vss-supply: true + + vcc-supply: + description: + Supply that powers the chip. + + iovcc-supply: + description: + Supply for the digital interface. + + vrefp-supply: + description: + Positive referance input voltage range. From 5v to (vdd - 2.5) + + vrefn-supply: + description: + Negative referance input voltage range. From (vss + 2.5) to 0. + + adi,rbuf-gain2-en: + description: Specify to allow an external amplifier to be connected in a + gain of two configuration. + type: boolean + + reset-gpios: + maxItems: 1 + + clear-gpios: + maxItems: 1 + + ldac-gpios: + description: + LDAC pin to be used as a hardware trigger to update the DAC channels. + maxItems: 1 + +required: + - compatible + - reg + - vdd-supply + - vss-supply + - vcc-supply + - iovcc-supply + - vrefp-supply + - vrefn-supply + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + dac@0 { + compatible = "adi,ad5791"; + reg = <0>; + vss-supply = <&dac_vss>; + vdd-supply = <&dac_vdd>; + vcc-supply = <&dac_vcc>; + iovcc-supply = <&dac_iovcc>; + vrefp-supply = <&dac_vrefp>; + vrefn-supply = <&dac_vrefn>; + reset-gpios = <&gpio_bd 16 GPIO_ACTIVE_LOW>; + clear-gpios = <&gpio_bd 17 GPIO_ACTIVE_LOW>; + ldac-gpios = <&gpio_bd 18 GPIO_ACTIVE_LOW>; + }; + }; +... |