| # 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>; |
| }; |
| }; |
| ... |
