The MCP4801, MCP4802, MCP4811, MCP4812, MCP4821, and MCP4822 are SPI digital-to-analog converters by Microchip, which have an internal voltage reference, in contrast to the MCP49xx series of DACs which use an external voltage reference. Thus, these need a separate binding, as to not overcomplicate the mcp4922 binding. Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@xxxxxxxxx> --- .../bindings/iio/dac/microchip,mcp4822.yaml | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dac/microchip,mcp4822.yaml diff --git a/Documentation/devicetree/bindings/iio/dac/microchip,mcp4822.yaml b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4822.yaml new file mode 100644 index 000000000000..c6eaf0079add --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4822.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/dac/microchip,mcp4822.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip MCP4801, MCP4802, MCP4811, MCP4812, MCP4821 and MCP4822 SPI DACs + +maintainers: + - Nicolas Frattaroli <frattaroli.nicolas@xxxxxxxxx> + +properties: + compatible: + enum: + - microchip,mcp4801 + - microchip,mcp4802 + - microchip,mcp4811 + - microchip,mcp4812 + - microchip,mcp4821 + - microchip,mcp4822 + + reg: + maxItems: 1 + + vdd-supply: true + +required: + - compatible + - reg + - vdd-supply + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + dac@0 { + compatible = "microchip,mcp4821"; + reg = <0>; + vdd-supply = <&dac_reg>; + }; + }; +... -- 2.40.0
