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| # 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";
| reg = <0>; /* CS0 */
| spi-max-frequency = <1000000>;
| vref-supply = <&vref>;
| };
| };
| ...
|
|
