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1# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause2%YAML 1.23---4$id: http://devicetree.org/schemas/iio/dac/lltc,ltc2632.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Linear Technology LTC263x 12-/10-/8-Bit Rail-to-Rail DAC8 9maintainers:10 - Michael Hennerich <michael.hennerich@analog.com>11 12description: |13 Bindings for the Linear Technology LTC2632/2634/2636 DAC14 Datasheet can be found here: https://www.analog.com/media/en/technical-documentation/data-sheets/LTC263[246].pdf15 16properties:17 compatible:18 enum:19 - lltc,ltc2632-l1220 - lltc,ltc2632-l1021 - lltc,ltc2632-l822 - lltc,ltc2632-h1223 - lltc,ltc2632-h1024 - lltc,ltc2632-h825 - lltc,ltc2634-l1226 - lltc,ltc2634-l1027 - lltc,ltc2634-l828 - lltc,ltc2634-h1229 - lltc,ltc2634-h1030 - lltc,ltc2634-h831 - lltc,ltc2636-l1232 - lltc,ltc2636-l1033 - lltc,ltc2636-l834 - lltc,ltc2636-h1235 - lltc,ltc2636-h1036 - lltc,ltc2636-h837 38 reg:39 maxItems: 140 41 spi-max-frequency:42 maximum: 200000043 44 vref-supply:45 description:46 Phandle to the external reference voltage supply. This should47 only be set if there is an external reference voltage connected to the VREF48 pin. If the property is not set the internal reference is used.49 50required:51 - compatible52 - reg53 54additionalProperties: false55 56examples:57 - |58 vref: regulator-vref {59 compatible = "regulator-fixed";60 regulator-name = "vref-ltc2632";61 regulator-min-microvolt = <1250000>;62 regulator-max-microvolt = <1250000>;63 regulator-always-on;64 };65 66 spi {67 #address-cells = <1>;68 #size-cells = <0>;69 70 dac@0 {71 compatible = "lltc,ltc2632-l12";72 reg = <0>; /* CS0 */73 spi-max-frequency = <1000000>;74 vref-supply = <&vref>;75 };76 };77...78