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Diffstat (limited to 'Documentation/devicetree/bindings/iio/dac/rohm,bd79703.yaml')
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diff --git a/Documentation/devicetree/bindings/iio/dac/rohm,bd79703.yaml b/Documentation/devicetree/bindings/iio/dac/rohm,bd79703.yaml new file mode 100644 index 000000000000..c00fa50e42e8 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/rohm,bd79703.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2024 ROHM Semiconductor. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/dac/rohm,bd79703.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD79700, BD79701, BD79702 and BD79703 DACs + +maintainers: + - Matti Vaittinen <mazziesaccount@gmail.com> + +description: | + The ROHM BD7970[0,1,2,3] are 8-bit DACs. The BD79700 has 2 channels, + BD79701 3 channels, BD79702 4 channels and BD79703 has 6 channels. + Datasheets for BD79702 and BD79703 can be found from + https://fscdn.rohm.com/en/products/databook/datasheet/ic/data_converter/dac/bd79702fv-lb_bd79703fv-lb-e.pdf + and for the BD79700 and the BD79701 from + https://fscdn.rohm.com/en/products/databook/datasheet/ic/data_converter/dac/bd79700fvm-lb_bd79701fvm-lb-e.pdf + +properties: + compatible: + enum: + - rohm,bd79700 + - rohm,bd79701 + - rohm,bd79702 + - rohm,bd79703 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 30000000 + + vfs-supply: + description: + The regulator to use as a full scale voltage. The voltage should be + between 2.7V .. VCC. Not present on BD79700 and BD79701. + + vcc-supply: + description: + The regulator supplying the operating voltage. Should be between + 2.7V ... 5.5V. Is used also as a Vfs on BD79700 and BD79701. + +required: + - compatible + - reg + - spi-max-frequency + - vcc-supply + +if: + properties: + compatible: + contains: + enum: + - rohm,bd79702 + - rohm,bd79703 +then: + required: + - vfs-supply + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + dac@0 { + compatible = "rohm,bd79703"; + reg = <0>; + spi-max-frequency = <30000000>; + vcc-supply = <&vcc>; + vfs-supply = <&vref>; + }; + }; +... |