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77 lines
1.8 KiB
77 lines
1.8 KiB
# 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 <[email protected]> |
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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"; |
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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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