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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/iio/dac/lltc,ltc2632.yaml
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# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/iio/dac/lltc,ltc2632.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Linear Technology LTC263x 12-/10-/8-Bit Rail-to-Rail DAC

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maintainers:

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  - Michael Hennerich <michael.hennerich@analog.com>

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description: |

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  Bindings for the Linear Technology LTC2632/2634/2636 DAC

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  Datasheet can be found here: https://www.analog.com/media/en/technical-documentation/data-sheets/LTC263[246].pdf

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properties:

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  compatible:

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    enum:

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      - lltc,ltc2632-l12

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      - lltc,ltc2632-l10

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      - lltc,ltc2632-l8

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      - lltc,ltc2632-h12

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      - lltc,ltc2632-h10

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      - lltc,ltc2632-h8

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      - lltc,ltc2634-l12

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      - lltc,ltc2634-l10

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      - lltc,ltc2634-l8

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      - lltc,ltc2634-h12

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      - lltc,ltc2634-h10

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      - lltc,ltc2634-h8

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      - lltc,ltc2636-l12

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      - lltc,ltc2636-l10

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      - lltc,ltc2636-l8

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      - lltc,ltc2636-h12

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      - lltc,ltc2636-h10

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      - lltc,ltc2636-h8

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  reg:

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    maxItems: 1

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  spi-max-frequency:

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    maximum: 2000000

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  vref-supply:

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    description:

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      Phandle to the external reference voltage supply. This should

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      only be set if there is an external reference voltage connected to the VREF

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      pin. If the property is not set the internal reference is used.

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required:

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  - compatible

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  - reg

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additionalProperties: false

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examples:

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  - |

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    vref: regulator-vref {

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        compatible = "regulator-fixed";

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        regulator-name = "vref-ltc2632";

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        regulator-min-microvolt = <1250000>;

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        regulator-max-microvolt = <1250000>;

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        regulator-always-on;

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    };

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    spi {

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        #address-cells = <1>;

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        #size-cells = <0>;

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        dac@0 {

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            compatible = "lltc,ltc2632-l12";

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            reg = <0>;    /* CS0 */

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            spi-max-frequency = <1000000>;

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            vref-supply = <&vref>;

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        };

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    };

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...

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