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These devices are SPI-controlled direct digital synthesizers requiring AVDD, DVDD supplies and an external master clock. Signed-off-by: Hungyu Lin --- .../bindings/iio/dds/adi,ad9832.yaml | 66 +++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml diff --git a/Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml b/Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml new file mode 100644 index 000000000000..7e2eece086d0 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/dds/adi,ad9832.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD9832 / AD9835 DDS + +maintainers: + - Hungyu Lin + +description: | + Analog Devices AD9832 and AD9835 are SPI-controlled direct digital + synthesizers (DDS) capable of generating programmable frequency and + phase output signals using an external master clock. + +properties: + compatible: + enum: + - adi,ad9832 + - adi,ad9835 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 20000000 + + clocks: + maxItems: 1 + + clock-names: + const: mclk + + avdd-supply: + description: Analog power supply + + dvdd-supply: + description: Digital power supply + +required: + - compatible + - reg + - clocks + - clock-names + - avdd-supply + - dvdd-supply + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + ad9832@0 { + compatible = "adi,ad9832"; + reg = <0>; + spi-max-frequency = <20000000>; + clocks = <&mclk>; + clock-names = "mclk"; + avdd-supply = <&vdd_3v3>; + dvdd-supply = <&vdd_3v3>; + }; + }; -- 2.34.1