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Diffstat (limited to 'Documentation/devicetree/bindings/iio/dac/lltc,ltc2632.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/iio/dac/lltc,ltc2632.yaml | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/lltc,ltc2632.yaml b/Documentation/devicetree/bindings/iio/dac/lltc,ltc2632.yaml new file mode 100644 index 000000000..b1eb77335 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/lltc,ltc2632.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/iio/dac/lltc,ltc2632.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Linear Technology LTC263x 12-/10-/8-Bit Rail-to-Rail DAC + +maintainers: + - Michael Hennerich <michael.hennerich@analog.com> + +description: | + Bindings for the Linear Technology LTC2632/2634/2636 DAC + Datasheet can be found here: https://www.analog.com/media/en/technical-documentation/data-sheets/LTC263[246].pdf + +properties: + compatible: + enum: + - lltc,ltc2632-l12 + - lltc,ltc2632-l10 + - lltc,ltc2632-l8 + - lltc,ltc2632-h12 + - lltc,ltc2632-h10 + - lltc,ltc2632-h8 + - lltc,ltc2634-l12 + - lltc,ltc2634-l10 + - lltc,ltc2634-l8 + - lltc,ltc2634-h12 + - lltc,ltc2634-h10 + - lltc,ltc2634-h8 + - lltc,ltc2636-l12 + - lltc,ltc2636-l10 + - lltc,ltc2636-l8 + - lltc,ltc2636-h12 + - lltc,ltc2636-h10 + - lltc,ltc2636-h8 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 2000000 + + vref-supply: + description: + Phandle to the external reference voltage supply. This should + only be set if there is an external reference voltage connected to the VREF + pin. If the property is not set the internal reference is used. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + vref: regulator-vref { + compatible = "regulator-fixed"; + regulator-name = "vref-ltc2632"; + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <1250000>; + regulator-always-on; + }; + + spi { + #address-cells = <1>; + #size-cells = <0>; + + dac@0 { + compatible = "lltc,ltc2632-l12"; + reg = <0>; /* CS0 */ + spi-max-frequency = <1000000>; + vref-supply = <&vref>; + }; + }; +... |