78 lines
1.8 KiB
YAML
78 lines
1.8 KiB
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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